path: root/1185_linux-5.10.186.patch

diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 06027c6a233ab..ac852f93f8da5 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -948,7 +948,7 @@ how much memory needs to be free before kswapd goes back to sleep.
 
 The unit is in fractions of 10,000. The default value of 10 means the
 distances between watermarks are 0.1% of the available memory in the
-node/system. The maximum value is 1000, or 10% of memory.
+node/system. The maximum value is 3000, or 30% of memory.
 
 A high rate of threads entering direct reclaim (allocstall) or kswapd
 going to sleep prematurely (kswapd_low_wmark_hit_quickly) can indicate
diff --git a/Makefile b/Makefile
index 73e6cc1992c21..bb2be0ed9ff26 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 185
+SUBLEVEL = 186
 EXTRAVERSION =
 NAME = Dare mighty things
 
diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
index aed81568a297d..d783d1f6950be 100644
--- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
@@ -527,7 +527,7 @@
 
 		interrupt-parent = <&gpio1>;
 		interrupts = <31 0>;
-		pendown-gpio = <&gpio1 31 0>;
+		pendown-gpio = <&gpio1 31 GPIO_ACTIVE_LOW>;
 
 
 		ti,x-min = /bits/ 16 <0x0>;
diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts
index beed819609e8d..8f3b483bb64dd 100644
--- a/arch/arm/boot/dts/at91sam9261ek.dts
+++ b/arch/arm/boot/dts/at91sam9261ek.dts
@@ -156,7 +156,7 @@
 					compatible = "ti,ads7843";
 					interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 					spi-max-frequency = <3000000>;
-					pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
+					pendown-gpio = <&pioC 2 GPIO_ACTIVE_LOW>;
 
 					ti,x-min = /bits/ 16 <150>;
 					ti,x-max = /bits/ 16 <3830>;
diff --git a/arch/arm/boot/dts/imx7d-pico-hobbit.dts b/arch/arm/boot/dts/imx7d-pico-hobbit.dts
index d917dc4f2f227..6ad39dca70096 100644
--- a/arch/arm/boot/dts/imx7d-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx7d-pico-hobbit.dts
@@ -64,7 +64,7 @@
 		interrupt-parent = <&gpio2>;
 		interrupts = <7 0>;
 		spi-max-frequency = <1000000>;
-		pendown-gpio = <&gpio2 7 0>;
+		pendown-gpio = <&gpio2 7 GPIO_ACTIVE_LOW>;
 		vcc-supply = <&reg_3p3v>;
 		ti,x-min = /bits/ 16 <0>;
 		ti,x-max = /bits/ 16 <4095>;
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 6d562ebe90295..d3b49a5b30b72 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -198,7 +198,7 @@
 		pinctrl-0 = <&pinctrl_tsc2046_pendown>;
 		interrupt-parent = <&gpio2>;
 		interrupts = <29 0>;
-		pendown-gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio2 29 GPIO_ACTIVE_LOW>;
 		touchscreen-max-pressure = <255>;
 		wakeup-source;
 	};
diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
index e61b8a2bfb7de..51baedf1603bd 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
@@ -227,7 +227,7 @@
 
 		interrupt-parent = <&gpio2>;
 		interrupts = <25 0>;		/* gpio_57 */
-		pendown-gpio = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio2 25 GPIO_ACTIVE_LOW>;
 
 		ti,x-min = /bits/ 16 <0x0>;
 		ti,x-max = /bits/ 16 <0x0fff>;
diff --git a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi
index 3decc2d78a6ca..a7f99ae0c1fe9 100644
--- a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi
+++ b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi
@@ -54,7 +54,7 @@
 
 		interrupt-parent = <&gpio1>;
 		interrupts = <27 0>;		/* gpio_27 */
-		pendown-gpio = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio1 27 GPIO_ACTIVE_LOW>;
 
 		ti,x-min = /bits/ 16 <0x0>;
 		ti,x-max = /bits/ 16 <0x0fff>;
diff --git a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
index 73d477898ec2a..06e7cf96c6639 100644
--- a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
+++ b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
@@ -311,7 +311,7 @@
 		interrupt-parent = <&gpio1>;
 		interrupts = <8 0>;   /* boot6 / gpio_8 */
 		spi-max-frequency = <1000000>;
-		pendown-gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
 		vcc-supply = <&reg_vcc3>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&tsc2048_pins>;
diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
index 1d6e88f99eb31..c3570acc35fad 100644
--- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
@@ -149,7 +149,7 @@
 
 		interrupt-parent = <&gpio4>;
 		interrupts = <18 0>;			/* gpio_114 */
-		pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio4 18 GPIO_ACTIVE_LOW>;
 
 		ti,x-min = /bits/ 16 <0x0>;
 		ti,x-max = /bits/ 16 <0x0fff>;
diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi
index 7e30f9d45790e..d95a0e130058c 100644
--- a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi
@@ -160,7 +160,7 @@
 
 		interrupt-parent = <&gpio4>;
 		interrupts = <18 0>;			/* gpio_114 */
-		pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio4 18 GPIO_ACTIVE_LOW>;
 
 		ti,x-min = /bits/ 16 <0x0>;
 		ti,x-max = /bits/ 16 <0x0fff>;
diff --git a/arch/arm/boot/dts/omap3-pandora-common.dtsi b/arch/arm/boot/dts/omap3-pandora-common.dtsi
index 37608af6c07f5..ca6d777ebf843 100644
--- a/arch/arm/boot/dts/omap3-pandora-common.dtsi
+++ b/arch/arm/boot/dts/omap3-pandora-common.dtsi
@@ -651,7 +651,7 @@
 		pinctrl-0 = <&penirq_pins>;
 		interrupt-parent = <&gpio3>;
 		interrupts = <30 IRQ_TYPE_NONE>;	/* GPIO_94 */
-		pendown-gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio3 30 GPIO_ACTIVE_LOW>;
 		vcc-supply = <&vaux4>;
 
 		ti,x-min = /bits/ 16 <0>;
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts
index ca759b7b8a580..e62ea8b6d53fd 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -354,7 +354,7 @@
 
 		interrupt-parent = <&gpio1>;
 		interrupts = <15 0>;			/* gpio1_wk15 */
-		pendown-gpio = <&gpio1 15 GPIO_ACTIVE_HIGH>;
+		pendown-gpio = <&gpio1 15 GPIO_ACTIVE_LOW>;
 
 
 		ti,x-min = /bits/ 16 <0x0>;
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 06755fad38304..9fea6e9768096 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -104,8 +104,14 @@
 #define SB_BARRIER_INSN			__SYS_BARRIER_INSN(0, 7, 31)
 
 #define SYS_DC_ISW			sys_insn(1, 0, 7, 6, 2)
+#define SYS_DC_IGSW			sys_insn(1, 0, 7, 6, 4)
+#define SYS_DC_IGDSW			sys_insn(1, 0, 7, 6, 6)
 #define SYS_DC_CSW			sys_insn(1, 0, 7, 10, 2)
+#define SYS_DC_CGSW			sys_insn(1, 0, 7, 10, 4)
+#define SYS_DC_CGDSW			sys_insn(1, 0, 7, 10, 6)
 #define SYS_DC_CISW			sys_insn(1, 0, 7, 14, 2)
+#define SYS_DC_CIGSW			sys_insn(1, 0, 7, 14, 4)
+#define SYS_DC_CIGDSW			sys_insn(1, 0, 7, 14, 6)
 
 /*
  * System registers, organised loosely by encoding but grouped together
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index 21c4ebe29b9a2..a93c9aba834be 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -25,6 +25,7 @@ KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
 KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
 KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
 KBUILD_CFLAGS += -fno-stack-protector
+KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
 KBUILD_CFLAGS += $(CLANG_FLAGS)
 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
 KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 032a00e5d9fa6..76c80e191a1b1 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -97,7 +97,10 @@ static void init_x2apic_ldr(void)
 
 static int x2apic_phys_probe(void)
 {
-	if (x2apic_mode && (x2apic_phys || x2apic_fadt_phys()))
+	if (!x2apic_mode)
+		return 0;
+
+	if (x2apic_phys || x2apic_fadt_phys())
 		return 1;
 
 	return apic == &apic_x2apic_phys;
diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c
index 6e6b39710e5fa..a8cdbbe67bb53 100644
--- a/arch/x86/mm/kaslr.c
+++ b/arch/x86/mm/kaslr.c
@@ -172,10 +172,10 @@ void __meminit init_trampoline_kaslr(void)
 		set_p4d(p4d_tramp,
 			__p4d(_KERNPG_TABLE | __pa(pud_page_tramp)));
 
-		set_pgd(&trampoline_pgd_entry,
-			__pgd(_KERNPG_TABLE | __pa(p4d_page_tramp)));
+		trampoline_pgd_entry =
+			__pgd(_KERNPG_TABLE | __pa(p4d_page_tramp));
 	} else {
-		set_pgd(&trampoline_pgd_entry,
-			__pgd(_KERNPG_TABLE | __pa(pud_page_tramp)));
+		trampoline_pgd_entry =
+			__pgd(_KERNPG_TABLE | __pa(pud_page_tramp));
 	}
 }
diff --git a/drivers/base/regmap/regmap-spi-avmm.c b/drivers/base/regmap/regmap-spi-avmm.c
index ad1da83e849fe..67f89937219c3 100644
--- a/drivers/base/regmap/regmap-spi-avmm.c
+++ b/drivers/base/regmap/regmap-spi-avmm.c
@@ -666,7 +666,7 @@ static const struct regmap_bus regmap_spi_avmm_bus = {
 	.reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
 	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
 	.max_raw_read = SPI_AVMM_VAL_SIZE * MAX_READ_CNT,
-	.max_raw_write = SPI_AVMM_VAL_SIZE * MAX_WRITE_CNT,
+	.max_raw_write = SPI_AVMM_REG_SIZE + SPI_AVMM_VAL_SIZE * MAX_WRITE_CNT,
 	.free_context = spi_avmm_bridge_ctx_free,
 };
 
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3e01a3ac652d1..d10f621085e2e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1595,9 +1595,14 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
 	}
 
 	if (gc->irq.parent_handler) {
-		void *data = gc->irq.parent_handler_data ?: gc;
-
 		for (i = 0; i < gc->irq.num_parents; i++) {
+			void *data;
+
+			if (gc->irq.per_parent_data)
+				data = gc->irq.parent_handler_data_array[i];
+			else
+				data = gc->irq.parent_handler_data ?: gc;
+
 			/*
 			 * The parent IRQ chip is already using the chip_data
 			 * for this IRQ chip, so our callbacks simply use the
@@ -1787,6 +1792,14 @@ int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
 	gc->to_irq = gpiochip_to_irq;
 	gc->irq.domain = domain;
 
+	/*
+	 * Using barrier() here to prevent compiler from reordering
+	 * gc->irq.initialized before adding irqdomain.
+	 */
+	barrier();
+
+	gc->irq.initialized = true;
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(gpiochip_irqchip_add_domain);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3ca1ee396e4c6..0bdc83d899463 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7430,6 +7430,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 		if (acrtc_state->abm_level != dm_old_crtc_state->abm_level)
 			bundle->stream_update.abm_level = &acrtc_state->abm_level;
 
+		mutex_lock(&dm->dc_lock);
+		if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
+				acrtc_state->stream->link->psr_settings.psr_allow_active)
+			amdgpu_dm_psr_disable(acrtc_state->stream);
+		mutex_unlock(&dm->dc_lock);
+
 		/*
 		 * If FreeSync state on the stream has changed then we need to
 		 * re-adjust the min/max bounds now that DC doesn't handle this
@@ -7444,9 +7450,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
 		}
 		mutex_lock(&dm->dc_lock);
-		if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
-				acrtc_state->stream->link->psr_settings.psr_allow_active)
-			amdgpu_dm_psr_disable(acrtc_state->stream);
 
 		dc_commit_updates_for_stream(dm->dc,
 						     bundle->surface_updates,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 967a5cdc120e3..81211a9d9d0a9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -1332,7 +1332,7 @@ int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data,
 	/* Let the runqueue know that there is work to do. */
 	queue_work(g2d->g2d_workq, &g2d->runqueue_work);
 
-	if (runqueue_node->async)
+	if (req->async)
 		goto out;
 
 	wait_for_completion(&runqueue_node->complete);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index e5662bdcbbde3..e96436e11a36c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -468,8 +468,6 @@ static int vidi_remove(struct platform_device *pdev)
 	if (ctx->raw_edid != (struct edid *)fake_edid_info) {
 		kfree(ctx->raw_edid);
 		ctx->raw_edid = NULL;
-
-		return -EINVAL;
 	}
 
 	component_del(&pdev->dev, &vidi_component_ops);
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index e5c4271e64ede..75053917d2137 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -385,7 +385,6 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_radeon_gem_set_domain *args = data;
 	struct drm_gem_object *gobj;
-	struct radeon_bo *robj;
 	int r;
 
 	/* for now if someone requests domain CPU -
@@ -398,13 +397,12 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 		up_read(&rdev->exclusive_lock);
 		return -ENOENT;
 	}
-	robj = gem_to_radeon_bo(gobj);
 
 	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
 
 	drm_gem_object_put(gobj);
 	up_read(&rdev->exclusive_lock);
-	r = radeon_gem_handle_lockup(robj->rdev, r);
+	r = radeon_gem_handle_lockup(rdev, r);
 	return r;
 }
 
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index a93070f5b214c..36cb456709ed7 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -2419,8 +2419,13 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless)
 		goto fail_quirks;
 	}
 
-	if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR)
+	if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) {
 		error = hid_hw_open(hdev);
+		if (error) {
+			hid_err(hdev, "hw open failed\n");
+			goto fail_quirks;
+		}
+	}
 
 	wacom_set_shared_values(wacom_wac);
 	devres_close_group(&hdev->dev, wacom);
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 5b902adb0d1bf..0c6c54061088e 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -765,11 +765,22 @@ static void vmbus_wait_for_unload(void)
 		if (completion_done(&vmbus_connection.unload_event))
 			goto completed;
 
-		for_each_online_cpu(cpu) {
+		for_each_present_cpu(cpu) {
 			struct hv_per_cpu_context *hv_cpu
 				= per_cpu_ptr(hv_context.cpu_context, cpu);
 
+			/*
+			 * In a CoCo VM the synic_message_page is not allocated
+			 * in hv_synic_alloc(). Instead it is set/cleared in
+			 * hv_synic_enable_regs() and hv_synic_disable_regs()
+			 * such that it is set only when the CPU is online. If
+			 * not all present CPUs are online, the message page
+			 * might be NULL, so skip such CPUs.
+			 */
 			page_addr = hv_cpu->synic_message_page;
+			if (!page_addr)
+				continue;
+
 			msg = (struct hv_message *)page_addr
 				+ VMBUS_MESSAGE_SINT;
 
@@ -803,11 +814,14 @@ completed:
 	 * maybe-pending messages on all CPUs to be able to receive new
 	 * messages after we reconnect.
 	 */
-	for_each_online_cpu(cpu) {
+	for_each_present_cpu(cpu) {
 		struct hv_per_cpu_context *hv_cpu
 			= per_cpu_ptr(hv_context.cpu_context, cpu);
 
 		page_addr = hv_cpu->synic_message_page;
+		if (!page_addr)
+			continue;
+
 		msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT;
 		msg->header.message_type = HVMSG_NONE;
 	}
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index d45ec26d51cb9..c688f11ae5c9f 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -200,8 +200,8 @@ static void lpi2c_imx_stop(struct lpi2c_imx_struct *lpi2c_imx)
 /* CLKLO = I2C_CLK_RATIO * CLKHI, SETHOLD = CLKHI, DATAVD = CLKHI/2 */
 static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx)
 {
-	u8 prescale, filt, sethold, clkhi, clklo, datavd;
-	unsigned int clk_rate, clk_cycle;
+	u8 prescale, filt, sethold, datavd;
+	unsigned int clk_rate, clk_cycle, clkhi, clklo;
 	enum lpi2c_imx_pincfg pincfg;
 	unsigned int temp;
 
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index 31c02c2019c1c..67a134c8448d2 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -108,6 +108,27 @@ static const struct dmi_system_id dmi_use_low_level_irq[] = {
 	{} /* Terminating entry */
 };
 
+/*
+ * Some devices have a wrong entry which points to a GPIO which is
+ * required in another driver, so this driver must not claim it.
+ */
+static const struct dmi_system_id dmi_invalid_acpi_index[] = {
+	{
+		/*
+		 * Lenovo Yoga Book X90F / X90L, the PNP0C40 home button entry
+		 * points to a GPIO which is not a home button and which is
+		 * required by the lenovo-yogabook driver.
+		 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
+		},
+		.driver_data = (void *)1l,
+	},
+	{} /* Terminating entry */
+};
+
 /*
  * Get the Nth GPIO number from the ACPI object.
  */
@@ -137,6 +158,8 @@ soc_button_device_create(struct platform_device *pdev,
 	struct platform_device *pd;
 	struct gpio_keys_button *gpio_keys;
 	struct gpio_keys_platform_data *gpio_keys_pdata;
+	const struct dmi_system_id *dmi_id;
+	int invalid_acpi_index = -1;
 	int error, gpio, irq;
 	int n_buttons = 0;
 
@@ -154,10 +177,17 @@ soc_button_device_create(struct platform_device *pdev,
 	gpio_keys = (void *)(gpio_keys_pdata + 1);
 	n_buttons = 0;
 
+	dmi_id = dmi_first_match(dmi_invalid_acpi_index);
+	if (dmi_id)
+		invalid_acpi_index = (long)dmi_id->driver_data;
+
 	for (info = button_info; info->name; info++) {
 		if (info->autorepeat != autorepeat)
 			continue;
 
+		if (info->acpi_index == invalid_acpi_index)
+			continue;
+
 		error = soc_button_lookup_gpio(&pdev->dev, info->acpi_index, &gpio, &irq);
 		if (error || irq < 0) {
 			/*
diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c
index e23aa608f66f6..97b479223fe52 100644
--- a/drivers/media/cec/core/cec-adap.c
+++ b/drivers/media/cec/core/cec-adap.c
@@ -1085,7 +1085,8 @@ void cec_received_msg_ts(struct cec_adapter *adap,
 	mutex_lock(&adap->lock);
 	dprintk(2, "%s: %*ph\n", __func__, msg->len, msg->msg);
 
-	adap->last_initiator = 0xff;
+	if (!adap->transmit_in_progress)
+		adap->last_initiator = 0xff;
 
 	/* Check if this message was for us (directed or broadcast). */
 	if (!cec_msg_is_broadcast(msg))
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 19a6b55e344fe..e89bd6f4b317c 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -970,11 +970,8 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 	if (status & (IRQ_END_OF_CHAIN | IRQ_RESP_STATUS)) {
 		if (data && !cmd->error)
 			data->bytes_xfered = data->blksz * data->blocks;
-		if (meson_mmc_bounce_buf_read(data) ||
-		    meson_mmc_get_next_command(cmd))
-			ret = IRQ_WAKE_THREAD;
-		else
-			ret = IRQ_HANDLED;
+
+		return IRQ_WAKE_THREAD;
 	}
 
 out:
@@ -986,9 +983,6 @@ out:
 		writel(start, host->regs + SD_EMMC_START);
 	}
 
-	if (ret == IRQ_HANDLED)
-		meson_mmc_request_done(host->mmc, cmd->mrq);
-
 	return ret;
 }
 
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 5d83c8e7bf5cf..9cfffcecc9eb2 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1728,7 +1728,8 @@ static void mmci_set_max_busy_timeout(struct mmc_host *mmc)
 		return;
 
 	if (host->variant->busy_timeout && mmc->actual_clock)
-		max_busy_timeout = ~0UL / (mmc->actual_clock / MSEC_PER_SEC);
+		max_busy_timeout = U32_MAX / DIV_ROUND_UP(mmc->actual_clock,
+							  MSEC_PER_SEC);
 
 	mmc->max_busy_timeout = max_busy_timeout;
 }
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index d71c113f428f6..2c9ea5ed0b2fc 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2443,7 +2443,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
 
 	host->irq = platform_get_irq(pdev, 0);
 	if (host->irq < 0) {
-		ret = -EINVAL;
+		ret = host->irq;
 		goto host_free;
 	}
 
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 629efbe639c4f..b4f6a0a2fcb51 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -704,7 +704,7 @@ static int mvsd_probe(struct platform_device *pdev)
 	}
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-		return -ENXIO;
+		return irq;
 
 	mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev);
 	if (!mmc) {
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 6aa0537f1f847..eb978b75d8e78 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1344,7 +1344,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-		return -ENXIO;
+		return irq;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	host->virt_base = devm_ioremap_resource(&pdev->dev, res);
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 5b6ede81fc9f2..098075449ccd0 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1832,9 +1832,11 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	irq = platform_get_irq(pdev, 0);
-	if (res == NULL || irq < 0)
+	if (!res)
 		return -ENXIO;
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
 
 	base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(base))
diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c
index 3d4abf175b1d8..8a40cf8a92db7 100644
--- a/drivers/mmc/host/owl-mmc.c
+++ b/drivers/mmc/host/owl-mmc.c
@@ -640,7 +640,7 @@ static int owl_mmc_probe(struct platform_device *pdev)
 
 	owl_host->irq = platform_get_irq(pdev, 0);
 	if (owl_host->irq < 0) {
-		ret = -EINVAL;
+		ret = owl_host->irq;
 		goto err_release_channel;
 	}
 
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index a2cdb37fcbbec..2a28101777c6f 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -876,7 +876,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 	host->ops	= &sdhci_acpi_ops_dflt;
 	host->irq	= platform_get_irq(pdev, 0);
 	if (host->irq < 0) {
-		err = -EINVAL;
+		err = host->irq;
 		goto err_free;
 	}
 
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index ad2e73f9a58f4..3366956a4ff18 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -2228,6 +2228,9 @@ static inline void sdhci_msm_get_of_property(struct platform_device *pdev,
 		msm_host->ddr_config = DDR_CONFIG_POR_VAL;
 
 	of_property_read_u32(node, "qcom,dll-config", &msm_host->dll_config);
+
+	if (of_device_is_compatible(node, "qcom,msm8916-sdhci"))
+		host->quirks2 |= SDHCI_QUIRK2_BROKEN_64_BIT_DMA;
 }
 
 static int sdhci_msm_gcc_reset(struct device *dev, struct sdhci_host *host)
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index e5e457037235a..5dec9e239c9bf 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1398,7 +1398,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
 	irq[0] = platform_get_irq(pdev, 0);
 	irq[1] = platform_get_irq_optional(pdev, 1);
 	if (irq[0] < 0)
-		return -ENXIO;
+		return irq[0];
 
 	reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg))
diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index b9b79b1089a00..4f22ecef9be50 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -1747,8 +1747,10 @@ static int usdhi6_probe(struct platform_device *pdev)
 	irq_cd = platform_get_irq_byname(pdev, "card detect");
 	irq_sd = platform_get_irq_byname(pdev, "data");
 	irq_sdio = platform_get_irq_byname(pdev, "SDIO");
-	if (irq_sd < 0 || irq_sdio < 0)
-		return -ENODEV;
+	if (irq_sd < 0)
+		return irq_sd;
+	if (irq_sdio < 0)
+		return irq_sdio;
 
 	mmc = mmc_alloc_host(sizeof(struct usdhi6_host), dev);
 	if (!mmc)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index d3b42adef057b..4056ca4255be7 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -966,7 +966,7 @@ mt753x_cpu_port_enable(struct dsa_switch *ds, int port)
 	mt7530_rmw(priv, MT7530_MFC, UNM_FFP_MASK, UNM_FFP(BIT(port)));
 
 	/* Set CPU port number */
-	if (priv->id == ID_MT7621)
+	if (priv->id == ID_MT7530 || priv->id == ID_MT7621)
 		mt7530_rmw(priv, MT7530_MFC, CPU_MASK, CPU_EN | CPU_PORT(port));
 
 	/* CPU port gets connected to all user ports of
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 89697cb09d1c0..81be560a26431 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1136,8 +1136,8 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter,
 	eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ?
 						VLAN_ETH_HLEN : ETH_HLEN;
 	if (skb->len <= 60 &&
-	    (lancer_chip(adapter) || skb_vlan_tag_present(skb)) &&
-	    is_ipv4_pkt(skb)) {
+	    (lancer_chip(adapter) || BE3_chip(adapter) ||
+	     skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) {
 		ip = (struct iphdr *)ip_hdr(skb);
 		pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len));
 	}
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 36bcb5db3be97..44fa959ebcaa5 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -574,8 +574,7 @@ qcaspi_spi_thread(void *data)
 	while (!kthread_should_stop()) {
 		set_current_state(TASK_INTERRUPTIBLE);
 		if ((qca->intr_req == qca->intr_svc) &&
-		    (qca->txr.skb[qca->txr.head] == NULL) &&
-		    (qca->sync == QCASPI_SYNC_READY))
+		    !qca->txr.skb[qca->txr.head])
 			schedule();
 
 		set_current_state(TASK_RUNNING);
diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index 97981cf7661ad..344f63bc94a21 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -522,7 +522,7 @@ static int hwsim_del_edge_nl(struct sk_buff *msg, struct genl_info *info)
 static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
 {
 	struct nlattr *edge_attrs[MAC802154_HWSIM_EDGE_ATTR_MAX + 1];
-	struct hwsim_edge_info *einfo;
+	struct hwsim_edge_info *einfo, *einfo_old;
 	struct hwsim_phy *phy_v0;
 	struct hwsim_edge *e;
 	u32 v0, v1;
@@ -560,8 +560,10 @@ static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
 	list_for_each_entry_rcu(e, &phy_v0->edges, list) {
 		if (e->endpoint->idx == v1) {
 			einfo->lqi = lqi;
-			rcu_assign_pointer(e->info, einfo);
+			einfo_old = rcu_replace_pointer(e->info, einfo,
+							lockdep_is_held(&hwsim_phys_lock));
 			rcu_read_unlock();
+			kfree_rcu(einfo_old, rcu);
 			mutex_unlock(&hwsim_phys_lock);
 			return 0;
 		}
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 5fabcd15ef77a..834bf63dc2009 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -802,7 +802,7 @@ static int dp83867_phy_reset(struct phy_device *phydev)
 {
 	int err;
 
-	err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESTART);
+	err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESET);
 	if (err < 0)
 		return err;
 
diff --git a/drivers/nfc/nfcsim.c b/drivers/nfc/nfcsim.c
index dd27c85190d34..b42d386350b72 100644
--- a/drivers/nfc/nfcsim.c
+++ b/drivers/nfc/nfcsim.c
@@ -336,10 +336,6 @@ static struct dentry *nfcsim_debugfs_root;
 static void nfcsim_debugfs_init(void)
 {
 	nfcsim_debugfs_root = debugfs_create_dir("nfcsim", NULL);
-
-	if (!nfcsim_debugfs_root)
-		pr_err("Could not create debugfs entry\n");
-
 }
 
 static void nfcsim_debugfs_remove(void)
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 4353443b89d81..2d6c77dcc815c 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -520,19 +520,10 @@ struct hv_dr_state {
 	struct hv_pcidev_description func[];
 };
 
-enum hv_pcichild_state {
-	hv_pcichild_init = 0,
-	hv_pcichild_requirements,
-	hv_pcichild_resourced,
-	hv_pcichild_ejecting,
-	hv_pcichild_maximum
-};
-
 struct hv_pci_dev {
 	/* List protected by pci_rescan_remove_lock */
 	struct list_head list_entry;
 	refcount_t refs;
-	enum hv_pcichild_state state;
 	struct pci_slot *pci_slot;
 	struct hv_pcidev_description desc;
 	bool reported_missing;
@@ -1237,6 +1228,11 @@ static void hv_irq_unmask(struct irq_data *data)
 	pbus = pdev->bus;
 	hbus = container_of(pbus->sysdata, struct hv_pcibus_device, sysdata);
 	int_desc = data->chip_data;
+	if (!int_desc) {
+		dev_warn(&hbus->hdev->device, "%s() can not unmask irq %u\n",
+			 __func__, data->irq);
+		return;
+	}
 
 	spin_lock_irqsave(&hbus->retarget_msi_interrupt_lock, flags);
 
@@ -1553,12 +1549,6 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
 		hv_pci_onchannelcallback(hbus);
 		spin_unlock_irqrestore(&channel->sched_lock, flags);
 
-		if (hpdev->state == hv_pcichild_ejecting) {
-			dev_err_once(&hbus->hdev->device,
-				     "the device is being ejected\n");
-			goto enable_tasklet;
-		}
-
 		udelay(100);
 	}
 
@@ -2378,8 +2368,6 @@ static void hv_eject_device_work(struct work_struct *work)
 	hpdev = container_of(work, struct hv_pci_dev, wrk);
 	hbus = hpdev->hbus;
 
-	WARN_ON(hpdev->state != hv_pcichild_ejecting);
-
 	/*
 	 * Ejection can come before or after the PCI bus has been set up, so
 	 * attempt to find it and tear down the bus state, if it exists.  This
@@ -2438,7 +2426,6 @@ static void hv_pci_eject_device(struct hv_pci_dev *hpdev)
 		return;
 	}
 
-	hpdev->state = hv_pcichild_ejecting;
 	get_pcichild(hpdev);
 	INIT_WORK(&hpdev->wrk, hv_eject_device_work);
 	get_hvpcibus(hbus);
@@ -2842,8 +2829,10 @@ static int hv_pci_enter_d0(struct hv_device *hdev)
 	struct pci_bus_d0_entry *d0_entry;
 	struct hv_pci_compl comp_pkt;
 	struct pci_packet *pkt;
+	bool retry = true;
 	int ret;
 
+enter_d0_retry:
 	/*
 	 * Tell the host that the bus is ready to use, and moved into the
 	 * powered-on state.  This includes telling the host which region
@@ -2870,6 +2859,38 @@ static int hv_pci_enter_d0(struct hv_device *hdev)
 	if (ret)
 		goto exit;
 
+	/*
+	 * In certain case (Kdump) the pci device of interest was
+	 * not cleanly shut down and resource is still held on host
+	 * side, the host could return invalid device status.
+	 * We need to explicitly request host to release the resource
+	 * and try to enter D0 again.
+	 */
+	if (comp_pkt.completion_status < 0 && retry) {
+		retry = false;
+
+		dev_err(&hdev->device, "Retrying D0 Entry\n");
+
+		/*
+		 * Hv_pci_bus_exit() calls hv_send_resource_released()
+		 * to free up resources of its child devices.
+		 * In the kdump kernel we need to set the
+		 * wslot_res_allocated to 255 so it scans all child
+		 * devices to release resources allocated in the
+		 * normal kernel before panic happened.
+		 */
+		hbus->wslot_res_allocated = 255;
+
+		ret = hv_pci_bus_exit(hdev, true);
+
+		if (ret == 0) {
+			kfree(pkt);
+			goto enter_d0_retry;
+		}
+		dev_err(&hdev->device,
+			"Retrying D0 failed with ret %d\n", ret);
+	}
+
 	if (comp_pkt.completion_status < 0) {
 		dev_err(&hdev->device,
 			"PCI Pass-through VSP failed D0 Entry with status %x\n",
@@ -2912,6 +2933,24 @@ static int hv_pci_query_relations(struct hv_device *hdev)
 	if (!ret)
 		ret = wait_for_response(hdev, &comp);
 
+	/*
+	 * In the case of fast device addition/removal, it's possible that
+	 * vmbus_sendpacket() or wait_for_response() returns -ENODEV but we
+	 * already got a PCI_BUS_RELATIONS* message from the host and the
+	 * channel callback already scheduled a work to hbus->wq, which can be
+	 * running pci_devices_present_work() -> survey_child_resources() ->
+	 * complete(&hbus->survey_event), even after hv_pci_query_relations()
+	 * exits and the stack variable 'comp' is no longer valid; as a result,
+	 * a hang or a page fault may happen when the complete() calls
+	 * raw_spin_lock_irqsave(). Flush hbus->wq before we exit from
+	 * hv_pci_query_relations() to avoid the issues. Note: if 'ret' is
+	 * -ENODEV, there can't be any more work item scheduled to hbus->wq
+	 * after the flush_workqueue(): see vmbus_onoffer_rescind() ->
+	 * vmbus_reset_channel_cb(), vmbus_rescind_cleanup() ->
+	 * channel->rescind = true.
+	 */
+	flush_workqueue(hbus->wq);
+
 	return ret;
 }
 
@@ -3107,7 +3146,6 @@ static int hv_pci_probe(struct hv_device *hdev,
 	struct hv_pcibus_device *hbus;
 	u16 dom_req, dom;
 	char *name;
-	bool enter_d0_retry = true;
 	int ret;
 
 	/*
@@ -3228,47 +3266,11 @@ static int hv_pci_probe(struct hv_device *hdev,
 	if (ret)
 		goto free_fwnode;
 
-retry:
 	ret = hv_pci_query_relations(hdev);
 	if (ret)
 		goto free_irq_domain;
 
 	ret = hv_pci_enter_d0(hdev);
-	/*
-	 * In certain case (Kdump) the pci device of interest was
-	 * not cleanly shut down and resource is still held on host
-	 * side, the host could return invalid device status.
-	 * We need to explicitly request host to release the resource
-	 * and try to enter D0 again.
-	 * Since the hv_pci_bus_exit() call releases structures
-	 * of all its child devices, we need to start the retry from
-	 * hv_pci_query_relations() call, requesting host to send
-	 * the synchronous child device relations message before this
-	 * information is needed in hv_send_resources_allocated()
-	 * call later.
-	 */
-	if (ret == -EPROTO && enter_d0_retry) {
-		enter_d0_retry = false;
-
-		dev_err(&hdev->device, "Retrying D0 Entry\n");
-
-		/*
-		 * Hv_pci_bus_exit() calls hv_send_resources_released()
-		 * to free up resources of its child devices.
-		 * In the kdump kernel we need to set the
-		 * wslot_res_allocated to 255 so it scans all child
-		 * devices to release resources allocated in the
-		 * normal kernel before panic happened.
-		 */
-		hbus->wslot_res_allocated = 255;
-		ret = hv_pci_bus_exit(hdev, true);
-
-		if (ret == 0)
-			goto retry;
-
-		dev_err(&hdev->device,
-			"Retrying D0 failed with ret %d\n", ret);
-	}
 	if (ret)
 		goto free_irq_domain;
 
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 33280ca181e95..6f9c81db6e429 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1385,6 +1385,7 @@ void ccw_device_set_notoper(struct ccw_device *cdev)
 enum io_sch_action {
 	IO_SCH_UNREG,
 	IO_SCH_ORPH_UNREG,
+	IO_SCH_UNREG_CDEV,
 	IO_SCH_ATTACH,
 	IO_SCH_UNREG_ATTACH,
 	IO_SCH_ORPH_ATTACH,
@@ -1417,7 +1418,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
 	}
 	if ((sch->schib.pmcw.pam & sch->opm) == 0) {
 		if (ccw_device_notify(cdev, CIO_NO_PATH) != NOTIFY_OK)
-			return IO_SCH_UNREG;
+			return IO_SCH_UNREG_CDEV;
 		return IO_SCH_DISC;
 	}
 	if (device_is_disconnected(cdev))
@@ -1479,6 +1480,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 	case IO_SCH_ORPH_ATTACH:
 		ccw_device_set_disconnected(cdev);
 		break;
+	case IO_SCH_UNREG_CDEV:
 	case IO_SCH_UNREG_ATTACH:
 	case IO_SCH_UNREG:
 		if (!cdev)
@@ -1512,6 +1514,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 		if (rc)
 			goto out;
 		break;
+	case IO_SCH_UNREG_CDEV:
 	case IO_SCH_UNREG_ATTACH:
 		spin_lock_irqsave(sch->lock, flags);
 		if (cdev->private->flags.resuming) {
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 5d98611dd999d..c5ff6e8c45be0 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -906,9 +906,14 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
 	ret = fsl_lpspi_dma_init(&pdev->dev, fsl_lpspi, controller);
 	if (ret == -EPROBE_DEFER)
 		goto out_pm_get;
-
 	if (ret < 0)
 		dev_err(&pdev->dev, "dma setup error %d, use pio\n", ret);
+	else
+		/*
+		 * disable LPSPI module IRQ when enable DMA mode successfully,
+		 * to prevent the unexpected LPSPI module IRQ events.
+		 */
+		disable_irq(irq);
 
 	ret = devm_spi_register_controller(&pdev->dev, controller);
 	if (ret < 0) {
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 8b40f10976ff8..3931565018880 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -1079,6 +1079,7 @@ int iscsi_target_locate_portal(
 	iscsi_target_set_sock_callbacks(conn);
 
 	login->np = np;
+	conn->tpg = NULL;
 
 	login_req = (struct iscsi_login_req *) login->req;
 	payload_length = ntoh24(login_req->dlength);
@@ -1148,7 +1149,6 @@ int iscsi_target_locate_portal(
 	 */
 	sessiontype = strncmp(s_buf, DISCOVERY, 9);
 	if (!sessiontype) {
-		conn->tpg = iscsit_global->discovery_tpg;
 		if (!login->leading_connection)
 			goto get_target;
 
@@ -1165,9 +1165,11 @@ int iscsi_target_locate_portal(
 		 * Serialize access across the discovery struct iscsi_portal_group to
 		 * process login attempt.
 		 */
+		conn->tpg = iscsit_global->discovery_tpg;
 		if (iscsit_access_np(np, conn->tpg) < 0) {
 			iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE);
+			conn->tpg = NULL;
 			ret = -1;
 			goto out;
 		}
diff --git a/drivers/usb/gadget/udc/amd5536udc_pci.c b/drivers/usb/gadget/udc/amd5536udc_pci.c
index c80f9bd51b750..a36913ae31f9e 100644
--- a/drivers/usb/gadget/udc/amd5536udc_pci.c
+++ b/drivers/usb/gadget/udc/amd5536udc_pci.c
@@ -170,6 +170,9 @@ static int udc_pci_probe(
 		retval = -ENODEV;
 		goto err_probe;
 	}
+
+	udc = dev;
+
 	return 0;
 
 err_probe:
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index d1a148f0cae33..81992b9a219b2 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -369,7 +369,15 @@ void nilfs_clear_dirty_pages(struct address_space *mapping, bool silent)
 			struct page *page = pvec.pages[i];
 
 			lock_page(page);
-			nilfs_clear_dirty_page(page, silent);
+
+			/*
+			 * This page may have been removed from the address
+			 * space by truncation or invalidation when the lock
+			 * was acquired.  Skip processing in that case.
+			 */
+			if (likely(page->mapping == mapping))
+				nilfs_clear_dirty_page(page, silent);
+
 			unlock_page(page);
 		}
 		pagevec_release(&pvec);
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 1a8729eded8b1..9f435879a0487 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -101,6 +101,12 @@ int nilfs_segbuf_extend_segsum(struct nilfs_segment_buffer *segbuf)
 	if (unlikely(!bh))
 		return -ENOMEM;
 
+	lock_buffer(bh);
+	if (!buffer_uptodate(bh)) {
+		memset(bh->b_data, 0, bh->b_size);
+		set_buffer_uptodate(bh);
+	}
+	unlock_buffer(bh);
 	nilfs_segbuf_add_segsum_buffer(segbuf, bh);
 	return 0;
 }
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index cdaca232ac4d6..4a910c8a56913 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -984,10 +984,13 @@ static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci,
 	unsigned int isz, srsz;
 
 	bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root;
+
+	lock_buffer(bh_sr);
 	raw_sr = (struct nilfs_super_root *)bh_sr->b_data;
 	isz = nilfs->ns_inode_size;
 	srsz = NILFS_SR_BYTES(isz);
 
+	raw_sr->sr_sum = 0;  /* Ensure initialization within this update */
 	raw_sr->sr_bytes = cpu_to_le16(srsz);
 	raw_sr->sr_nongc_ctime
 		= cpu_to_le64(nilfs_doing_gc() ?
@@ -1001,6 +1004,8 @@ static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci,
 	nilfs_write_inode_common(nilfs->ns_sufile, (void *)raw_sr +
 				 NILFS_SR_SUFILE_OFFSET(isz), 1);
 	memset((void *)raw_sr + srsz, 0, nilfs->ns_blocksize - srsz);
+	set_buffer_uptodate(bh_sr);
+	unlock_buffer(bh_sr);
 }
 
 static void nilfs_redirty_inodes(struct list_head *head)
@@ -1783,6 +1788,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
 	list_for_each_entry(segbuf, logs, sb_list) {
 		list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
 				    b_assoc_buffers) {
+			clear_buffer_uptodate(bh);
 			if (bh->b_page != bd_page) {
 				if (bd_page)
 					end_page_writeback(bd_page);
@@ -1794,6 +1800,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
 				    b_assoc_buffers) {
 			clear_buffer_async_write(bh);
 			if (bh == segbuf->sb_super_root) {
+				clear_buffer_uptodate(bh);
 				if (bh->b_page != bd_page) {
 					end_page_writeback(bd_page);
 					bd_page = bh->b_page;
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 9aae60d9a32e6..037456e9c511a 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -372,10 +372,31 @@ static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off)
 		goto out;
 	}
 	nsbp = (void *)nsbh->b_data + offset;
-	memset(nsbp, 0, nilfs->ns_blocksize);
 
+	lock_buffer(nsbh);
 	if (sb2i >= 0) {
+		/*
+		 * The position of the second superblock only changes by 4KiB,
+		 * which is larger than the maximum superblock data size
+		 * (= 1KiB), so there is no need to use memmove() to allow
+		 * overlap between source and destination.
+		 */
 		memcpy(nsbp, nilfs->ns_sbp[sb2i], nilfs->ns_sbsize);
+
+		/*
+		 * Zero fill after copy to avoid overwriting in case of move
+		 * within the same block.
+		 */
+		memset(nsbh->b_data, 0, offset);
+		memset((void *)nsbp + nilfs->ns_sbsize, 0,
+		       nsbh->b_size - offset - nilfs->ns_sbsize);
+	} else {
+		memset(nsbh->b_data, 0, nsbh->b_size);
+	}
+	set_buffer_uptodate(nsbh);
+	unlock_buffer(nsbh);
+
+	if (sb2i >= 0) {
 		brelse(nilfs->ns_sbh[sb2i]);
 		nilfs->ns_sbh[sb2i] = nsbh;
 		nilfs->ns_sbp[sb2i] = nsbp;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 1655b7b2a5abe..682f2bf2e5259 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -26,7 +26,7 @@ static const struct file_operations proc_sys_dir_file_operations;
 static const struct inode_operations proc_sys_dir_operations;
 
 /* shared constants to be used in various sysctls */
-const int sysctl_vals[] = { 0, 1, INT_MAX };
+const int sysctl_vals[] = { -1, 0, 1, 2, 4, 100, 200, 1000, 3000, INT_MAX };
 EXPORT_SYMBOL(sysctl_vals);
 
 /* Support for permanently empty directories */
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 0552a9859a01e..64c93a36a3a92 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -168,11 +168,18 @@ struct gpio_irq_chip {
 
 	/**
 	 * @parent_handler_data:
+	 * @parent_handler_data_array:
 	 *
 	 * Data associated, and passed to, the handler for the parent
-	 * interrupt.
+	 * interrupt. Can either be a single pointer if @per_parent_data
+	 * is false, or an array of @num_parents pointers otherwise.  If
+	 * @per_parent_data is true, @parent_handler_data_array cannot be
+	 * NULL.
 	 */
-	void *parent_handler_data;
+	union {
+		void *parent_handler_data;
+		void **parent_handler_data_array;
+	};
 
 	/**
 	 * @num_parents:
@@ -203,6 +210,14 @@ struct gpio_irq_chip {
 	 */
 	bool threaded;
 
+	/**
+	 * @per_parent_data:
+	 *
+	 * True if parent_handler_data_array describes a @num_parents
+	 * sized array to be used as parent data.
+	 */
+	bool per_parent_data;
+
 	/**
 	 * @init_hw: optional routine to initialize hardware before
 	 * an IRQ chip will be added. This is quite useful when
diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h
index 71902f41c9199..0c3edff6bdfff 100644
--- a/include/linux/regulator/pca9450.h
+++ b/include/linux/regulator/pca9450.h
@@ -196,11 +196,11 @@ enum {
 
 /* PCA9450_REG_LDO3_VOLT bits */
 #define LDO3_EN_MASK			0xC0
-#define LDO3OUT_MASK			0x0F
+#define LDO3OUT_MASK			0x1F
 
 /* PCA9450_REG_LDO4_VOLT bits */
 #define LDO4_EN_MASK			0xC0
-#define LDO4OUT_MASK			0x0F
+#define LDO4OUT_MASK			0x1F
 
 /* PCA9450_REG_LDO5_VOLT bits */
 #define LDO5L_EN_MASK			0xC0
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 4393de94cb32d..c202a72e16906 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -38,9 +38,16 @@ struct ctl_table_header;
 struct ctl_dir;
 
 /* Keep the same order as in fs/proc/proc_sysctl.c */
-#define SYSCTL_ZERO	((void *)&sysctl_vals[0])
-#define SYSCTL_ONE	((void *)&sysctl_vals[1])
-#define SYSCTL_INT_MAX	((void *)&sysctl_vals[2])
+#define SYSCTL_NEG_ONE			((void *)&sysctl_vals[0])
+#define SYSCTL_ZERO			((void *)&sysctl_vals[1])
+#define SYSCTL_ONE			((void *)&sysctl_vals[2])
+#define SYSCTL_TWO			((void *)&sysctl_vals[3])
+#define SYSCTL_FOUR			((void *)&sysctl_vals[4])
+#define SYSCTL_ONE_HUNDRED		((void *)&sysctl_vals[5])
+#define SYSCTL_TWO_HUNDRED		((void *)&sysctl_vals[6])
+#define SYSCTL_ONE_THOUSAND		((void *)&sysctl_vals[7])
+#define SYSCTL_THREE_THOUSAND		((void *)&sysctl_vals[8])
+#define SYSCTL_INT_MAX			((void *)&sysctl_vals[9])
 
 extern const int sysctl_vals[];
 
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index c3e55a9ae5857..1ddd401a8981f 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -378,9 +378,11 @@ static inline int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t,
 static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph,
 				       const struct sk_buff *skb)
 {
-	if (skb->protocol == htons(ETH_P_IP))
+	__be16 payload_protocol = skb_protocol(skb, true);
+
+	if (payload_protocol == htons(ETH_P_IP))
 		return iph->tos;
-	else if (skb->protocol == htons(ETH_P_IPV6))
+	else if (payload_protocol == htons(ETH_P_IPV6))
 		return ipv6_get_dsfield((const struct ipv6hdr *)iph);
 	else
 		return 0;
@@ -389,9 +391,11 @@ static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph,
 static inline u8 ip_tunnel_get_ttl(const struct iphdr *iph,
 				       const struct sk_buff *skb)
 {
-	if (skb->protocol == htons(ETH_P_IP))
+	__be16 payload_protocol = skb_protocol(skb, true);
+
+	if (payload_protocol == htons(ETH_P_IP))
 		return iph->ttl;
-	else if (skb->protocol == htons(ETH_P_IPV6))
+	else if (payload_protocol == htons(ETH_P_IPV6))
 		return ((const struct ipv6hdr *)iph)->hop_limit;
 	else
 		return 0;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 564fbe0c865fd..030237f3d82a6 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -205,7 +205,6 @@ static inline enum nft_registers nft_type_to_reg(enum nft_data_types type)
 }
 
 int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest);
-unsigned int nft_parse_register(const struct nlattr *attr);
 int nft_dump_register(struct sk_buff *skb, unsigned int attr, unsigned int reg);
 
 int nft_parse_register_load(const struct nlattr *attr, u8 *sreg, u32 len);
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 726a2dbb407f1..7865db2f827e6 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1034,6 +1034,7 @@ struct xfrm_offload {
 struct sec_path {
 	int			len;
 	int			olen;
+	int			verified_cnt;
 
 	struct xfrm_state	*xvec[XFRM_MAX_DEPTH];
 	struct xfrm_offload	ovec[XFRM_MAX_OFFLOAD_DEPTH];
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 57d795365987d..453255afbe2d5 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -67,7 +67,7 @@ DECLARE_EVENT_CLASS(writeback_page_template,
 		strscpy_pad(__entry->name,
 			    bdi_dev_name(mapping ? inode_to_bdi(mapping->host) :
 					 NULL), 32);
-		__entry->ino = mapping ? mapping->host->i_ino : 0;
+		__entry->ino = (mapping && mapping->host) ? mapping->host->i_ino : 0;
 		__entry->index = page->index;
 	),
 
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 58e0631143984..f169b46457693 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -581,6 +581,7 @@ struct io_sr_msg {
 	size_t				len;
 	size_t				done_io;
 	struct io_buffer		*kbuf;
+	void __user			*msg_control;
 };
 
 struct io_open {
@@ -4718,10 +4719,16 @@ static int io_setup_async_msg(struct io_kiocb *req,
 static int io_sendmsg_copy_hdr(struct io_kiocb *req,
 			       struct io_async_msghdr *iomsg)
 {
+	struct io_sr_msg *sr = &req->sr_msg;
+	int ret;
+
 	iomsg->msg.msg_name = &iomsg->addr;
 	iomsg->free_iov = iomsg->fast_iov;
-	return sendmsg_copy_msghdr(&iomsg->msg, req->sr_msg.umsg,
+	ret = sendmsg_copy_msghdr(&iomsg->msg, req->sr_msg.umsg,
 				   req->sr_msg.msg_flags, &iomsg->free_iov);
+	/* save msg_control as sys_sendmsg() overwrites it */
+	sr->msg_control = iomsg->msg.msg_control;
+	return ret;
 }
 
 static int io_sendmsg_prep_async(struct io_kiocb *req)
@@ -4778,6 +4785,8 @@ static int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags)
 		if (ret)
 			return ret;
 		kmsg = &iomsg;
+	} else {
+		kmsg->msg.msg_control = sr->msg_control;
 	}
 
 	flags = req->sr_msg.msg_flags;
@@ -5044,7 +5053,7 @@ static int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags)
 	flags = req->sr_msg.msg_flags;
 	if (force_nonblock)
 		flags |= MSG_DONTWAIT;
-	if (flags & MSG_WAITALL)
+	if (flags & MSG_WAITALL && !kmsg->msg.msg_controllen)
 		min_ret = iov_iter_count(&kmsg->msg.msg_iter);
 
 	ret = __sys_recvmsg_sock(sock, &kmsg->msg, req->sr_msg.umsg,
@@ -5055,6 +5064,8 @@ static int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags)
 		if (ret == -ERESTARTSYS)
 			ret = -EINTR;
 		if (ret > 0 && io_net_retry(sock, flags)) {
+			kmsg->msg.msg_controllen = 0;
+			kmsg->msg.msg_control = NULL;
 			sr->done_io += ret;
 			req->flags |= REQ_F_PARTIAL_IO;
 			return io_setup_async_msg(req, kmsg);
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index cb80d18a49b56..06c028bdb8d4d 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -604,31 +604,30 @@ static bool btf_name_offset_valid(const struct btf *btf, u32 offset)
 		offset < btf->hdr.str_len;
 }
 
-static bool __btf_name_char_ok(char c, bool first, bool dot_ok)
+static bool __btf_name_char_ok(char c, bool first)
 {
 	if ((first ? !isalpha(c) :
 		     !isalnum(c)) &&
 	    c != '_' &&
-	    ((c == '.' && !dot_ok) ||
-	      c != '.'))
+	    c != '.')
 		return false;
 	return true;
 }
 
-static bool __btf_name_valid(const struct btf *btf, u32 offset, bool dot_ok)
+static bool __btf_name_valid(const struct btf *btf, u32 offset)
 {
 	/* offset must be valid */
 	const char *src = &btf->strings[offset];
 	const char *src_limit;
 
-	if (!__btf_name_char_ok(*src, true, dot_ok))
+	if (!__btf_name_char_ok(*src, true))
 		return false;
 
 	/* set a limit on identifier length */
 	src_limit = src + KSYM_NAME_LEN;
 	src++;
 	while (*src && src < src_limit) {
-		if (!__btf_name_char_ok(*src, false, dot_ok))
+		if (!__btf_name_char_ok(*src, false))
 			return false;
 		src++;
 	}
@@ -636,17 +635,14 @@ static bool __btf_name_valid(const struct btf *btf, u32 offset, bool dot_ok)
 	return !*src;
 }
 
-/* Only C-style identifier is permitted. This can be relaxed if
- * necessary.
- */
 static bool btf_name_valid_identifier(const struct btf *btf, u32 offset)
 {
-	return __btf_name_valid(btf, offset, false);
+	return __btf_name_valid(btf, offset);
 }
 
 static bool btf_name_valid_section(const struct btf *btf, u32 offset)
 {
-	return __btf_name_valid(btf, offset, true);
+	return __btf_name_valid(btf, offset);
 }
 
 static const char *__btf_name_by_offset(const struct btf *btf, u32 offset)
@@ -3417,7 +3413,7 @@ static s32 btf_var_check_meta(struct btf_verifier_env *env,
 	}
 
 	if (!t->name_off ||
-	    !__btf_name_valid(env->btf, t->name_off, true)) {
+	    !__btf_name_valid(env->btf, t->name_off)) {
 		btf_verifier_log_type(env, t, "Invalid name");
 		return -EINVAL;
 	}
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index fd2082a9bf81b..edb19ada0405d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2318,6 +2318,11 @@ static void save_register_state(struct bpf_func_state *state,
 		scrub_spilled_slot(&state->stack[spi].slot_type[i - 1]);
 }
 
+static bool is_bpf_st_mem(struct bpf_insn *insn)
+{
+	return BPF_CLASS(insn->code) == BPF_ST && BPF_MODE(insn->code) == BPF_MEM;
+}
+
 /* check_stack_{read,write}_fixed_off functions track spill/fill of registers,
  * stack boundary and alignment are checked in check_mem_access()
  */
@@ -2329,8 +2334,9 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 {
 	struct bpf_func_state *cur; /* state of the current function */
 	int i, slot = -off - 1, spi = slot / BPF_REG_SIZE, err;
-	u32 dst_reg = env->prog->insnsi[insn_idx].dst_reg;
+	struct bpf_insn *insn = &env->prog->insnsi[insn_idx];
 	struct bpf_reg_state *reg = NULL;
+	u32 dst_reg = insn->dst_reg;
 
 	err = realloc_func_state(state, round_up(slot + 1, BPF_REG_SIZE),
 				 state->acquired_refs, true);
@@ -2379,6 +2385,16 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 				return err;
 		}
 		save_register_state(state, spi, reg, size);
+		/* Break the relation on a narrowing spill. */
+		if (fls64(reg->umax_value) > BITS_PER_BYTE * size)
+			state->stack[spi].spilled_ptr.id = 0;
+	} else if (!reg && !(off % BPF_REG_SIZE) && is_bpf_st_mem(insn) &&
+		   insn->imm != 0 && env->bpf_capable) {
+		struct bpf_reg_state fake_reg = {};
+
+		__mark_reg_known(&fake_reg, (u32)insn->imm);
+		fake_reg.type = SCALAR_VALUE;
+		save_register_state(state, spi, &fake_reg, size);
 	} else if (reg && is_spillable_regtype(reg->type)) {
 		/* register containing pointer is being spilled into stack */
 		if (size != BPF_REG_SIZE) {
@@ -2413,7 +2429,8 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 			state->stack[spi].spilled_ptr.live |= REG_LIVE_WRITTEN;
 
 		/* when we zero initialize stack slots mark them as such */
-		if (reg && register_is_null(reg)) {
+		if ((reg && register_is_null(reg)) ||
+		    (!reg && is_bpf_st_mem(insn) && insn->imm == 0)) {
 			/* backtracking doesn't work for STACK_ZERO yet. */
 			err = mark_chain_precision(env, value_regno);
 			if (err)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index f123b7f642498..70ed21607e472 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -1712,7 +1712,7 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
 {
 	struct cgroup *dcgrp = &dst_root->cgrp;
 	struct cgroup_subsys *ss;
-	int ssid, i, ret;
+	int ssid, ret;
 	u16 dfl_disable_ss_mask = 0;
 
 	lockdep_assert_held(&cgroup_mutex);
@@ -1756,7 +1756,8 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
 		struct cgroup_root *src_root = ss->root;
 		struct cgroup *scgrp = &src_root->cgrp;
 		struct cgroup_subsys_state *css = cgroup_css(scgrp, ss);
-		struct css_set *cset;
+		struct css_set *cset, *cset_pos;
+		struct css_task_iter *it;
 
 		WARN_ON(!css || cgroup_css(dcgrp, ss));
 
@@ -1774,9 +1775,22 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
 		css->cgroup = dcgrp;
 
 		spin_lock_irq(&css_set_lock);
-		hash_for_each(css_set_table, i, cset, hlist)
+		WARN_ON(!list_empty(&dcgrp->e_csets[ss->id]));
+		list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id],
+					 e_cset_node[ss->id]) {
 			list_move_tail(&cset->e_cset_node[ss->id],
 				       &dcgrp->e_csets[ss->id]);
+			/*
+			 * all css_sets of scgrp together in same order to dcgrp,
+			 * patch in-flight iterators to preserve correct iteration.
+			 * since the iterator is always advanced right away and
+			 * finished when it->cset_pos meets it->cset_head, so only
+			 * update it->cset_head is enough here.
+			 */
+			list_for_each_entry(it, &cset->task_iters, iters_node)
+				if (it->cset_head == &scgrp->e_csets[ss->id])
+					it->cset_head = &dcgrp->e_csets[ss->id];
+		}
 		spin_unlock_irq(&css_set_lock);
 
 		/* default hierarchy doesn't enable controllers by default */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index d981abea0358d..a45f0dd10b9a3 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -111,15 +111,9 @@
 static int sixty = 60;
 #endif
 
-static int __maybe_unused neg_one = -1;
-static int __maybe_unused two = 2;
-static int __maybe_unused four = 4;
 static unsigned long zero_ul;
 static unsigned long one_ul = 1;
 static unsigned long long_max = LONG_MAX;
-static int one_hundred = 100;
-static int two_hundred = 200;
-static int one_thousand = 1000;
 #ifdef CONFIG_PRINTK
 static int ten_thousand = 10000;
 #endif
@@ -2010,7 +2004,7 @@ static struct ctl_table kern_table[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &neg_one,
+		.extra1		= SYSCTL_NEG_ONE,
 		.extra2		= SYSCTL_ONE,
 	},
 #endif
@@ -2341,7 +2335,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax_sysadmin,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 #endif
 	{
@@ -2601,7 +2595,7 @@ static struct ctl_table kern_table[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &neg_one,
+		.extra1		= SYSCTL_NEG_ONE,
 	},
 #endif
 #ifdef CONFIG_RT_MUTEXES
@@ -2663,7 +2657,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= perf_cpu_time_max_percent_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 	{
 		.procname	= "perf_event_max_stack",
@@ -2681,7 +2675,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= perf_event_max_stack_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_thousand,
+		.extra2		= SYSCTL_ONE_THOUSAND,
 	},
 #endif
 	{
@@ -2712,7 +2706,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= bpf_unpriv_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 	{
 		.procname	= "bpf_stats_enabled",
@@ -2755,7 +2749,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= overcommit_policy_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 	{
 		.procname	= "panic_on_oom",
@@ -2764,7 +2758,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 	{
 		.procname	= "oom_kill_allocating_task",
@@ -2809,7 +2803,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= dirty_background_ratio_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 	{
 		.procname	= "dirty_background_bytes",
@@ -2826,7 +2820,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= dirty_ratio_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 	{
 		.procname	= "dirty_bytes",
@@ -2866,7 +2860,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two_hundred,
+		.extra2		= SYSCTL_TWO_HUNDRED,
 	},
 #ifdef CONFIG_NUMA
 	{
@@ -2925,7 +2919,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0200,
 		.proc_handler	= drop_caches_sysctl_handler,
 		.extra1		= SYSCTL_ONE,
-		.extra2		= &four,
+		.extra2		= SYSCTL_FOUR,
 	},
 #ifdef CONFIG_COMPACTION
 	{
@@ -2942,7 +2936,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 	{
 		.procname	= "extfrag_threshold",
@@ -2987,7 +2981,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= watermark_scale_factor_sysctl_handler,
 		.extra1		= SYSCTL_ONE,
-		.extra2		= &one_thousand,
+		.extra2		= SYSCTL_THREE_THOUSAND,
 	},
 	{
 		.procname	= "percpu_pagelist_fraction",
@@ -3074,7 +3068,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= sysctl_min_unmapped_ratio_sysctl_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 	{
 		.procname	= "min_slab_ratio",
@@ -3083,7 +3077,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= sysctl_min_slab_ratio_sysctl_handler,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &one_hundred,
+		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
 #endif
 #ifdef CONFIG_SMP
@@ -3366,7 +3360,7 @@ static struct ctl_table fs_table[] = {
 		.mode		= 0600,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 	{
 		.procname	= "protected_regular",
@@ -3375,7 +3369,7 @@ static struct ctl_table fs_table[] = {
 		.mode		= 0600,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 	{
 		.procname	= "suid_dumpable",
@@ -3384,7 +3378,7 @@ static struct ctl_table fs_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax_coredump,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= &two,
+		.extra2		= SYSCTL_TWO,
 	},
 #if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE)
 	{
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 2b7448ae5b478..e883d12dcb0d4 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -216,19 +216,8 @@ static void tick_setup_device(struct tick_device *td,
 		 * this cpu:
 		 */
 		if (tick_do_timer_cpu == TICK_DO_TIMER_BOOT) {
-			ktime_t next_p;
-			u32 rem;
-
 			tick_do_timer_cpu = cpu;
-
-			next_p = ktime_get();
-			div_u64_rem(next_p, TICK_NSEC, &rem);
-			if (rem) {
-				next_p -= rem;
-				next_p += TICK_NSEC;
-			}
-
-			tick_next_period = next_p;
+			tick_next_period = ktime_get();
 #ifdef CONFIG_NO_HZ_FULL
 			/*
 			 * The boot CPU may be nohz_full, in which case set
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 17dc3f53efef8..d07de3ff42acc 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -129,8 +129,19 @@ static ktime_t tick_init_jiffy_update(void)
 	raw_spin_lock(&jiffies_lock);
 	write_seqcount_begin(&jiffies_seq);
 	/* Did we start the jiffies update yet ? */
-	if (last_jiffies_update == 0)
+	if (last_jiffies_update == 0) {
+		u32 rem;
+
+		/*
+		 * Ensure that the tick is aligned to a multiple of
+		 * TICK_NSEC.
+		 */
+		div_u64_rem(tick_next_period, TICK_NSEC, &rem);
+		if (rem)
+			tick_next_period += TICK_NSEC - rem;
+
 		last_jiffies_update = tick_next_period;
+	}
 	period = last_jiffies_update;
 	write_seqcount_end(&jiffies_seq);
 	raw_spin_unlock(&jiffies_lock);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 482ec6606b7b5..70526400e05c9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2178,10 +2178,12 @@ void tracing_reset_online_cpus(struct array_buffer *buf)
 }
 
 /* Must have trace_types_lock held */
-void tracing_reset_all_online_cpus(void)
+void tracing_reset_all_online_cpus_unlocked(void)
 {
 	struct trace_array *tr;
 
+	lockdep_assert_held(&trace_types_lock);
+
 	list_for_each_entry(tr, &ftrace_trace_arrays, list) {
 		if (!tr->clear_trace)
 			continue;
@@ -2193,6 +2195,13 @@ void tracing_reset_all_online_cpus(void)
 	}
 }
 
+void tracing_reset_all_online_cpus(void)
+{
+	mutex_lock(&trace_types_lock);
+	tracing_reset_all_online_cpus_unlocked();
+	mutex_unlock(&trace_types_lock);
+}
+
 /*
  * The tgid_map array maps from pid to tgid; i.e. the value stored at index i
  * is the tgid last observed corresponding to pid=i.
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 37f616bf5fa93..e5b505b5b7d09 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -725,6 +725,7 @@ int tracing_is_enabled(void);
 void tracing_reset_online_cpus(struct array_buffer *buf);
 void tracing_reset_current(int cpu);
 void tracing_reset_all_online_cpus(void);
+void tracing_reset_all_online_cpus_unlocked(void);
 int tracing_open_generic(struct inode *inode, struct file *filp);
 int tracing_open_generic_tr(struct inode *inode, struct file *filp);
 bool tracing_is_disabled(void);
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index bac13f24a96e5..f8ed66f38175b 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2661,7 +2661,7 @@ static void trace_module_remove_events(struct module *mod)
 	 * over from this module may be passed to the new module events and
 	 * unexpected results may occur.
 	 */
-	tracing_reset_all_online_cpus();
+	tracing_reset_all_online_cpus_unlocked();
 }
 
 static int trace_module_notify(struct notifier_block *self,
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index 18291ab356570..ee174de0b8f68 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -1363,7 +1363,6 @@ int synth_event_delete(const char *event_name)
 	mutex_unlock(&event_mutex);
 
 	if (mod) {
-		mutex_lock(&trace_types_lock);
 		/*
 		 * It is safest to reset the ring buffer if the module
 		 * being unloaded registered any events that were
@@ -1375,7 +1374,6 @@ int synth_event_delete(const char *event_name)
 		 * occur.
 		 */
 		tracing_reset_all_online_cpus();
-		mutex_unlock(&trace_types_lock);
 	}
 
 	return ret;
diff --git a/mm/memfd.c b/mm/memfd.c
index fae4142f7d254..278e5636623e6 100644
--- a/mm/memfd.c
+++ b/mm/memfd.c
@@ -330,7 +330,8 @@ SYSCALL_DEFINE2(memfd_create,
 
 	if (flags & MFD_ALLOW_SEALING) {
 		file_seals = memfd_file_seals_ptr(file);
-		*file_seals &= ~F_SEAL_SEAL;
+		if (file_seals)
+			*file_seals &= ~F_SEAL_SEAL;
 	}
 
 	fd_install(fd, file);
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 84257678160a3..dc50764b01807 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -338,6 +338,9 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb,  netdev_features_
 
 	secpath_reset(skb);
 
+	if (skb_needs_linearize(skb, skb->dev->features) &&
+	    __skb_linearize(skb))
+		return -ENOMEM;
 	return 0;
 }
 
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index ad2afeef4f106..eac206a290d05 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -164,6 +164,7 @@ drop:
 	kfree_skb(skb);
 	return 0;
 }
+EXPORT_SYMBOL(xfrm4_udp_encap_rcv);
 
 int xfrm4_rcv(struct sk_buff *skb)
 {
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 7608be04d0f58..87dbd53c29a6e 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -372,6 +372,9 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb,  netdev_features
 
 	secpath_reset(skb);
 
+	if (skb_needs_linearize(skb, skb->dev->features) &&
+	    __skb_linearize(skb))
+		return -ENOMEM;
 	return 0;
 }
 
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 04cbeefd89828..4907ab241d6be 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -86,6 +86,9 @@ int xfrm6_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
 	__be32 *udpdata32;
 	__u16 encap_type = up->encap_type;
 
+	if (skb->protocol == htons(ETH_P_IP))
+		return xfrm4_udp_encap_rcv(sk, skb);
+
 	/* if this is not encapsulated socket, then just return now */
 	if (!encap_type)
 		return 1;
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index d2e5a8f644b80..cd2130e98836b 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -1225,6 +1225,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	skb->transport_header = skb->network_header;
 
 	skb_set_inner_ipproto(skb, next_protocol);
+	skb_set_inner_mac_header(skb, skb_inner_network_offset(skb));
 
 	if (tun_type == IP_VS_CONN_F_TUNNEL_TYPE_GUE) {
 		bool check = false;
@@ -1373,6 +1374,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	skb->transport_header = skb->network_header;
 
 	skb_set_inner_ipproto(skb, next_protocol);
+	skb_set_inner_mac_header(skb, skb_inner_network_offset(skb));
 
 	if (tun_type == IP_VS_CONN_F_TUNNEL_TYPE_GUE) {
 		bool check = false;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index fe51cedd9cc3c..e59cad1f7a36b 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5460,7 +5460,8 @@ static int nf_tables_newsetelem(struct net *net, struct sock *nlsk,
 	if (IS_ERR(set))
 		return PTR_ERR(set);
 
-	if (!list_empty(&set->bindings) && set->flags & NFT_SET_CONSTANT)
+	if (!list_empty(&set->bindings) &&
+	    (set->flags & (NFT_SET_CONSTANT | NFT_SET_ANONYMOUS)))
 		return -EBUSY;
 
 	nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) {
@@ -5666,7 +5667,9 @@ static int nf_tables_delsetelem(struct net *net, struct sock *nlsk,
 	set = nft_set_lookup(ctx.table, nla[NFTA_SET_ELEM_LIST_SET], genmask);
 	if (IS_ERR(set))
 		return PTR_ERR(set);
-	if (!list_empty(&set->bindings) && set->flags & NFT_SET_CONSTANT)
+
+	if (!list_empty(&set->bindings) &&
+	    (set->flags & (NFT_SET_CONSTANT | NFT_SET_ANONYMOUS)))
 		return -EBUSY;
 
 	if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL) {
@@ -8480,28 +8483,24 @@ int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest)
 }
 EXPORT_SYMBOL_GPL(nft_parse_u32_check);
 
-/**
- *	nft_parse_register - parse a register value from a netlink attribute
- *
- *	@attr: netlink attribute
- *
- *	Parse and translate a register value from a netlink attribute.
- *	Registers used to be 128 bit wide, these register numbers will be
- *	mapped to the corresponding 32 bit register numbers.
- */
-unsigned int nft_parse_register(const struct nlattr *attr)
+static int nft_parse_register(const struct nlattr *attr, u32 *preg)
 {
 	unsigned int reg;
 
 	reg = ntohl(nla_get_be32(attr));
 	switch (reg) {
 	case NFT_REG_VERDICT...NFT_REG_4:
-		return reg * NFT_REG_SIZE / NFT_REG32_SIZE;
+		*preg = reg * NFT_REG_SIZE / NFT_REG32_SIZE;
+		break;
+	case NFT_REG32_00...NFT_REG32_15:
+		*preg = reg + NFT_REG_SIZE / NFT_REG32_SIZE - NFT_REG32_00;
+		break;
 	default:
-		return reg + NFT_REG_SIZE / NFT_REG32_SIZE - NFT_REG32_00;
+		return -ERANGE;
 	}
+
+	return 0;
 }
-EXPORT_SYMBOL_GPL(nft_parse_register);
 
 /**
  *	nft_dump_register - dump a register value to a netlink attribute
@@ -8551,7 +8550,10 @@ int nft_parse_register_load(const struct nlattr *attr, u8 *sreg, u32 len)
 	u32 reg;
 	int err;
 
-	reg = nft_parse_register(attr);
+	err = nft_parse_register(attr, &reg);
+	if (err < 0)
+		return err;
+
 	err = nft_validate_register_load(reg, len);
 	if (err < 0)
 		return err;
@@ -8620,7 +8622,10 @@ int nft_parse_register_store(const struct nft_ctx *ctx,
 	int err;
 	u32 reg;
 
-	reg = nft_parse_register(attr);
+	err = nft_parse_register(attr, &reg);
+	if (err < 0)
+		return err;
+
 	err = nft_validate_register_store(ctx, reg, data, type, len);
 	if (err < 0)
 		return err;
@@ -8978,7 +8983,9 @@ static int __net_init nf_tables_init_net(struct net *net)
 
 static void __net_exit nf_tables_pre_exit_net(struct net *net)
 {
+	mutex_lock(&net->nft.commit_mutex);
 	__nft_release_hooks(net);
+	mutex_unlock(&net->nft.commit_mutex);
 }
 
 static void __net_exit nf_tables_exit_net(struct net *net)
diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c
index 51e3953b414c0..9dbaa5ce24e51 100644
--- a/net/netfilter/nfnetlink_osf.c
+++ b/net/netfilter/nfnetlink_osf.c
@@ -440,3 +440,4 @@ module_init(nfnl_osf_init);
 module_exit(nfnl_osf_fini);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_OSF);
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 30cf0673d6c19..eb5934eb3adfc 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -1949,12 +1949,16 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
 			    struct nft_set_iter *iter)
 {
 	struct nft_pipapo *priv = nft_set_priv(set);
+	struct net *net = read_pnet(&set->net);
 	struct nft_pipapo_match *m;
 	struct nft_pipapo_field *f;
 	int i, r;
 
 	rcu_read_lock();
-	m = rcu_dereference(priv->match);
+	if (iter->genmask == nft_genmask_cur(net))
+		m = rcu_dereference(priv->match);
+	else
+		m = priv->clone;
 
 	if (unlikely(!m))
 		goto out;
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index e1990baf3a3b7..dc9485854002a 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -71,4 +71,3 @@ MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Passive OS fingerprint matching.");
 MODULE_ALIAS("ipt_osf");
 MODULE_ALIAS("ip6t_osf");
-MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_OSF);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 2084724c36ad3..fb50e3f3283f9 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1044,12 +1044,12 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 
 	if (parent == NULL) {
 		unsigned int i, num_q, ingress;
+		struct netdev_queue *dev_queue;
 
 		ingress = 0;
 		num_q = dev->num_tx_queues;
 		if ((q && q->flags & TCQ_F_INGRESS) ||
 		    (new && new->flags & TCQ_F_INGRESS)) {
-			num_q = 1;
 			ingress = 1;
 			if (!dev_ingress_queue(dev)) {
 				NL_SET_ERR_MSG(extack, "Device does not have an ingress queue");
@@ -1065,18 +1065,18 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 		if (new && new->ops->attach)
 			goto skip;
 
-		for (i = 0; i < num_q; i++) {
-			struct netdev_queue *dev_queue = dev_ingress_queue(dev);
-
-			if (!ingress)
+		if (!ingress) {
+			for (i = 0; i < num_q; i++) {
 				dev_queue = netdev_get_tx_queue(dev, i);
+				old = dev_graft_qdisc(dev_queue, new);
 
-			old = dev_graft_qdisc(dev_queue, new);
-			if (new && i > 0)
-				qdisc_refcount_inc(new);
-
-			if (!ingress)
+				if (new && i > 0)
+					qdisc_refcount_inc(new);
 				qdisc_put(old);
+			}
+		} else {
+			dev_queue = dev_ingress_queue(dev);
+			old = dev_graft_qdisc(dev_queue, new);
 		}
 
 skip:
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index adc5407fd5d58..be42b1196786b 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -969,6 +969,7 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
 	if (ret < 0)
 		return ret;
 
+	sch_tree_lock(sch);
 	/* backup q->clg and q->loss_model */
 	old_clg = q->clg;
 	old_loss_model = q->loss_model;
@@ -977,7 +978,7 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
 		ret = get_loss_clg(q, tb[TCA_NETEM_LOSS]);
 		if (ret) {
 			q->loss_model = old_loss_model;
-			return ret;
+			goto unlock;
 		}
 	} else {
 		q->loss_model = CLG_RANDOM;
@@ -1044,6 +1045,8 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
 	/* capping jitter to the range acceptable by tabledist() */
 	q->jitter = min_t(s64, abs(q->jitter), INT_MAX);
 
+unlock:
+	sch_tree_unlock(sch);
 	return ret;
 
 get_table_failure:
@@ -1053,7 +1056,8 @@ get_table_failure:
 	 */
 	q->clg = old_clg;
 	q->loss_model = old_loss_model;
-	return ret;
+
+	goto unlock;
 }
 
 static int netem_init(struct Qdisc *sch, struct nlattr *opt,
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index 494aa744bfb9a..08a2870fdd36f 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -3,6 +3,8 @@
 # Makefile for the XFRM subsystem.
 #
 
+xfrm_interface-$(CONFIG_XFRM_INTERFACE) += xfrm_interface_core.o
+
 obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
 		      xfrm_input.o xfrm_output.o \
 		      xfrm_sysctl.o xfrm_replay.o xfrm_device.o
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index fef99a1c5df10..f3bccab983f05 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -129,6 +129,7 @@ struct sec_path *secpath_set(struct sk_buff *skb)
 	memset(sp->ovec, 0, sizeof(sp->ovec));
 	sp->olen = 0;
 	sp->len = 0;
+	sp->verified_cnt = 0;
 
 	return sp;
 }
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
deleted file mode 100644
index da518b4ca84c6..0000000000000
--- a/net/xfrm/xfrm_interface.c
+++ /dev/null
@@ -1,1038 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *	XFRM virtual interface
- *
- *	Copyright (C) 2018 secunet Security Networks AG
- *
- *	Author:
- *	Steffen Klassert <steffen.klassert@secunet.com>
- */
-
-#include <linux/module.h>
-#include <linux/capability.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/sockios.h>
-#include <linux/icmp.h>
-#include <linux/if.h>
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/net.h>
-#include <linux/in6.h>
-#include <linux/netdevice.h>
-#include <linux/if_link.h>
-#include <linux/if_arp.h>
-#include <linux/icmpv6.h>
-#include <linux/init.h>
-#include <linux/route.h>
-#include <linux/rtnetlink.h>
-#include <linux/netfilter_ipv6.h>
-#include <linux/slab.h>
-#include <linux/hash.h>
-
-#include <linux/uaccess.h>
-#include <linux/atomic.h>
-
-#include <net/icmp.h>
-#include <net/ip.h>
-#include <net/ipv6.h>
-#include <net/ip6_route.h>
-#include <net/ip_tunnels.h>
-#include <net/addrconf.h>
-#include <net/xfrm.h>
-#include <net/net_namespace.h>
-#include <net/netns/generic.h>
-#include <linux/etherdevice.h>
-
-static int xfrmi_dev_init(struct net_device *dev);
-static void xfrmi_dev_setup(struct net_device *dev);
-static struct rtnl_link_ops xfrmi_link_ops __read_mostly;
-static unsigned int xfrmi_net_id __read_mostly;
-static const struct net_device_ops xfrmi_netdev_ops;
-
-#define XFRMI_HASH_BITS	8
-#define XFRMI_HASH_SIZE	BIT(XFRMI_HASH_BITS)
-
-struct xfrmi_net {
-	/* lists for storing interfaces in use */
-	struct xfrm_if __rcu *xfrmi[XFRMI_HASH_SIZE];
-};
-
-#define for_each_xfrmi_rcu(start, xi) \
-	for (xi = rcu_dereference(start); xi; xi = rcu_dereference(xi->next))
-
-static u32 xfrmi_hash(u32 if_id)
-{
-	return hash_32(if_id, XFRMI_HASH_BITS);
-}
-
-static struct xfrm_if *xfrmi_lookup(struct net *net, struct xfrm_state *x)
-{
-	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
-	struct xfrm_if *xi;
-
-	for_each_xfrmi_rcu(xfrmn->xfrmi[xfrmi_hash(x->if_id)], xi) {
-		if (x->if_id == xi->p.if_id &&
-		    (xi->dev->flags & IFF_UP))
-			return xi;
-	}
-
-	return NULL;
-}
-
-static struct xfrm_if *xfrmi_decode_session(struct sk_buff *skb,
-					    unsigned short family)
-{
-	struct net_device *dev;
-	int ifindex = 0;
-
-	if (!secpath_exists(skb) || !skb->dev)
-		return NULL;
-
-	switch (family) {
-	case AF_INET6:
-		ifindex = inet6_sdif(skb);
-		break;
-	case AF_INET:
-		ifindex = inet_sdif(skb);
-		break;
-	}
-
-	if (ifindex) {
-		struct net *net = xs_net(xfrm_input_state(skb));
-
-		dev = dev_get_by_index_rcu(net, ifindex);
-	} else {
-		dev = skb->dev;
-	}
-
-	if (!dev || !(dev->flags & IFF_UP))
-		return NULL;
-	if (dev->netdev_ops != &xfrmi_netdev_ops)
-		return NULL;
-
-	return netdev_priv(dev);
-}
-
-static void xfrmi_link(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
-{
-	struct xfrm_if __rcu **xip = &xfrmn->xfrmi[xfrmi_hash(xi->p.if_id)];
-
-	rcu_assign_pointer(xi->next , rtnl_dereference(*xip));
-	rcu_assign_pointer(*xip, xi);
-}
-
-static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
-{
-	struct xfrm_if __rcu **xip;
-	struct xfrm_if *iter;
-
-	for (xip = &xfrmn->xfrmi[xfrmi_hash(xi->p.if_id)];
-	     (iter = rtnl_dereference(*xip)) != NULL;
-	     xip = &iter->next) {
-		if (xi == iter) {
-			rcu_assign_pointer(*xip, xi->next);
-			break;
-		}
-	}
-}
-
-static void xfrmi_dev_free(struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-
-	gro_cells_destroy(&xi->gro_cells);
-	free_percpu(dev->tstats);
-}
-
-static int xfrmi_create(struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct net *net = dev_net(dev);
-	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
-	int err;
-
-	dev->rtnl_link_ops = &xfrmi_link_ops;
-	err = register_netdevice(dev);
-	if (err < 0)
-		goto out;
-
-	xfrmi_link(xfrmn, xi);
-
-	return 0;
-
-out:
-	return err;
-}
-
-static struct xfrm_if *xfrmi_locate(struct net *net, struct xfrm_if_parms *p)
-{
-	struct xfrm_if __rcu **xip;
-	struct xfrm_if *xi;
-	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
-
-	for (xip = &xfrmn->xfrmi[xfrmi_hash(p->if_id)];
-	     (xi = rtnl_dereference(*xip)) != NULL;
-	     xip = &xi->next)
-		if (xi->p.if_id == p->if_id)
-			return xi;
-
-	return NULL;
-}
-
-static void xfrmi_dev_uninit(struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct xfrmi_net *xfrmn = net_generic(xi->net, xfrmi_net_id);
-
-	xfrmi_unlink(xfrmn, xi);
-}
-
-static void xfrmi_scrub_packet(struct sk_buff *skb, bool xnet)
-{
-	skb->tstamp = 0;
-	skb->pkt_type = PACKET_HOST;
-	skb->skb_iif = 0;
-	skb->ignore_df = 0;
-	skb_dst_drop(skb);
-	nf_reset_ct(skb);
-	nf_reset_trace(skb);
-
-	if (!xnet)
-		return;
-
-	ipvs_reset(skb);
-	secpath_reset(skb);
-	skb_orphan(skb);
-	skb->mark = 0;
-}
-
-static int xfrmi_rcv_cb(struct sk_buff *skb, int err)
-{
-	const struct xfrm_mode *inner_mode;
-	struct net_device *dev;
-	struct xfrm_state *x;
-	struct xfrm_if *xi;
-	bool xnet;
-
-	if (err && !secpath_exists(skb))
-		return 0;
-
-	x = xfrm_input_state(skb);
-
-	xi = xfrmi_lookup(xs_net(x), x);
-	if (!xi)
-		return 1;
-
-	dev = xi->dev;
-	skb->dev = dev;
-
-	if (err) {
-		dev->stats.rx_errors++;
-		dev->stats.rx_dropped++;
-
-		return 0;
-	}
-
-	xnet = !net_eq(xi->net, dev_net(skb->dev));
-
-	if (xnet) {
-		inner_mode = &x->inner_mode;
-
-		if (x->sel.family == AF_UNSPEC) {
-			inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
-			if (inner_mode == NULL) {
-				XFRM_INC_STATS(dev_net(skb->dev),
-					       LINUX_MIB_XFRMINSTATEMODEERROR);
-				return -EINVAL;
-			}
-		}
-
-		if (!xfrm_policy_check(NULL, XFRM_POLICY_IN, skb,
-				       inner_mode->family))
-			return -EPERM;
-	}
-
-	xfrmi_scrub_packet(skb, xnet);
-	dev_sw_netstats_rx_add(dev, skb->len);
-
-	return 0;
-}
-
-static int
-xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
-	struct dst_entry *dst = skb_dst(skb);
-	unsigned int length = skb->len;
-	struct net_device *tdev;
-	struct xfrm_state *x;
-	int err = -1;
-	int mtu;
-
-	dst_hold(dst);
-	dst = xfrm_lookup_with_ifid(xi->net, dst, fl, NULL, 0, xi->p.if_id);
-	if (IS_ERR(dst)) {
-		err = PTR_ERR(dst);
-		dst = NULL;
-		goto tx_err_link_failure;
-	}
-
-	x = dst->xfrm;
-	if (!x)
-		goto tx_err_link_failure;
-
-	if (x->if_id != xi->p.if_id)
-		goto tx_err_link_failure;
-
-	tdev = dst->dev;
-
-	if (tdev == dev) {
-		stats->collisions++;
-		net_warn_ratelimited("%s: Local routing loop detected!\n",
-				     dev->name);
-		goto tx_err_dst_release;
-	}
-
-	mtu = dst_mtu(dst);
-	if (skb->len > mtu) {
-		skb_dst_update_pmtu_no_confirm(skb, mtu);
-
-		if (skb->protocol == htons(ETH_P_IPV6)) {
-			if (mtu < IPV6_MIN_MTU)
-				mtu = IPV6_MIN_MTU;
-
-			if (skb->len > 1280)
-				icmpv6_ndo_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
-			else
-				goto xmit;
-		} else {
-			if (!(ip_hdr(skb)->frag_off & htons(IP_DF)))
-				goto xmit;
-			icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
-				      htonl(mtu));
-		}
-
-		dst_release(dst);
-		return -EMSGSIZE;
-	}
-
-xmit:
-	xfrmi_scrub_packet(skb, !net_eq(xi->net, dev_net(dev)));
-	skb_dst_set(skb, dst);
-	skb->dev = tdev;
-
-	err = dst_output(xi->net, skb->sk, skb);
-	if (net_xmit_eval(err) == 0) {
-		struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
-
-		u64_stats_update_begin(&tstats->syncp);
-		tstats->tx_bytes += length;
-		tstats->tx_packets++;
-		u64_stats_update_end(&tstats->syncp);
-	} else {
-		stats->tx_errors++;
-		stats->tx_aborted_errors++;
-	}
-
-	return 0;
-tx_err_link_failure:
-	stats->tx_carrier_errors++;
-	dst_link_failure(skb);
-tx_err_dst_release:
-	dst_release(dst);
-	return err;
-}
-
-static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
-	struct dst_entry *dst = skb_dst(skb);
-	struct flowi fl;
-	int ret;
-
-	memset(&fl, 0, sizeof(fl));
-
-	switch (skb->protocol) {
-	case htons(ETH_P_IPV6):
-		xfrm_decode_session(skb, &fl, AF_INET6);
-		memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
-		if (!dst) {
-			fl.u.ip6.flowi6_oif = dev->ifindex;
-			fl.u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
-			dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
-			if (dst->error) {
-				dst_release(dst);
-				stats->tx_carrier_errors++;
-				goto tx_err;
-			}
-			skb_dst_set(skb, dst);
-		}
-		break;
-	case htons(ETH_P_IP):
-		xfrm_decode_session(skb, &fl, AF_INET);
-		memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
-		if (!dst) {
-			struct rtable *rt;
-
-			fl.u.ip4.flowi4_oif = dev->ifindex;
-			fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
-			rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
-			if (IS_ERR(rt)) {
-				stats->tx_carrier_errors++;
-				goto tx_err;
-			}
-			skb_dst_set(skb, &rt->dst);
-		}
-		break;
-	default:
-		goto tx_err;
-	}
-
-	fl.flowi_oif = xi->p.link;
-
-	ret = xfrmi_xmit2(skb, dev, &fl);
-	if (ret < 0)
-		goto tx_err;
-
-	return NETDEV_TX_OK;
-
-tx_err:
-	stats->tx_errors++;
-	stats->tx_dropped++;
-	kfree_skb(skb);
-	return NETDEV_TX_OK;
-}
-
-static int xfrmi4_err(struct sk_buff *skb, u32 info)
-{
-	const struct iphdr *iph = (const struct iphdr *)skb->data;
-	struct net *net = dev_net(skb->dev);
-	int protocol = iph->protocol;
-	struct ip_comp_hdr *ipch;
-	struct ip_esp_hdr *esph;
-	struct ip_auth_hdr *ah ;
-	struct xfrm_state *x;
-	struct xfrm_if *xi;
-	__be32 spi;
-
-	switch (protocol) {
-	case IPPROTO_ESP:
-		esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
-		spi = esph->spi;
-		break;
-	case IPPROTO_AH:
-		ah = (struct ip_auth_hdr *)(skb->data+(iph->ihl<<2));
-		spi = ah->spi;
-		break;
-	case IPPROTO_COMP:
-		ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2));
-		spi = htonl(ntohs(ipch->cpi));
-		break;
-	default:
-		return 0;
-	}
-
-	switch (icmp_hdr(skb)->type) {
-	case ICMP_DEST_UNREACH:
-		if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
-			return 0;
-	case ICMP_REDIRECT:
-		break;
-	default:
-		return 0;
-	}
-
-	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
-			      spi, protocol, AF_INET);
-	if (!x)
-		return 0;
-
-	xi = xfrmi_lookup(net, x);
-	if (!xi) {
-		xfrm_state_put(x);
-		return -1;
-	}
-
-	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
-		ipv4_update_pmtu(skb, net, info, 0, protocol);
-	else
-		ipv4_redirect(skb, net, 0, protocol);
-	xfrm_state_put(x);
-
-	return 0;
-}
-
-static int xfrmi6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-		    u8 type, u8 code, int offset, __be32 info)
-{
-	const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
-	struct net *net = dev_net(skb->dev);
-	int protocol = iph->nexthdr;
-	struct ip_comp_hdr *ipch;
-	struct ip_esp_hdr *esph;
-	struct ip_auth_hdr *ah;
-	struct xfrm_state *x;
-	struct xfrm_if *xi;
-	__be32 spi;
-
-	switch (protocol) {
-	case IPPROTO_ESP:
-		esph = (struct ip_esp_hdr *)(skb->data + offset);
-		spi = esph->spi;
-		break;
-	case IPPROTO_AH:
-		ah = (struct ip_auth_hdr *)(skb->data + offset);
-		spi = ah->spi;
-		break;
-	case IPPROTO_COMP:
-		ipch = (struct ip_comp_hdr *)(skb->data + offset);
-		spi = htonl(ntohs(ipch->cpi));
-		break;
-	default:
-		return 0;
-	}
-
-	if (type != ICMPV6_PKT_TOOBIG &&
-	    type != NDISC_REDIRECT)
-		return 0;
-
-	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
-			      spi, protocol, AF_INET6);
-	if (!x)
-		return 0;
-
-	xi = xfrmi_lookup(net, x);
-	if (!xi) {
-		xfrm_state_put(x);
-		return -1;
-	}
-
-	if (type == NDISC_REDIRECT)
-		ip6_redirect(skb, net, skb->dev->ifindex, 0,
-			     sock_net_uid(net, NULL));
-	else
-		ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL));
-	xfrm_state_put(x);
-
-	return 0;
-}
-
-static int xfrmi_change(struct xfrm_if *xi, const struct xfrm_if_parms *p)
-{
-	if (xi->p.link != p->link)
-		return -EINVAL;
-
-	xi->p.if_id = p->if_id;
-
-	return 0;
-}
-
-static int xfrmi_update(struct xfrm_if *xi, struct xfrm_if_parms *p)
-{
-	struct net *net = xi->net;
-	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
-	int err;
-
-	xfrmi_unlink(xfrmn, xi);
-	synchronize_net();
-	err = xfrmi_change(xi, p);
-	xfrmi_link(xfrmn, xi);
-	netdev_state_change(xi->dev);
-	return err;
-}
-
-static void xfrmi_get_stats64(struct net_device *dev,
-			       struct rtnl_link_stats64 *s)
-{
-	dev_fetch_sw_netstats(s, dev->tstats);
-
-	s->rx_dropped = dev->stats.rx_dropped;
-	s->tx_dropped = dev->stats.tx_dropped;
-}
-
-static int xfrmi_get_iflink(const struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-
-	return xi->p.link;
-}
-
-
-static const struct net_device_ops xfrmi_netdev_ops = {
-	.ndo_init	= xfrmi_dev_init,
-	.ndo_uninit	= xfrmi_dev_uninit,
-	.ndo_start_xmit = xfrmi_xmit,
-	.ndo_get_stats64 = xfrmi_get_stats64,
-	.ndo_get_iflink = xfrmi_get_iflink,
-};
-
-static void xfrmi_dev_setup(struct net_device *dev)
-{
-	dev->netdev_ops 	= &xfrmi_netdev_ops;
-	dev->header_ops		= &ip_tunnel_header_ops;
-	dev->type		= ARPHRD_NONE;
-	dev->mtu		= ETH_DATA_LEN;
-	dev->min_mtu		= ETH_MIN_MTU;
-	dev->max_mtu		= IP_MAX_MTU;
-	dev->flags 		= IFF_NOARP;
-	dev->needs_free_netdev	= true;
-	dev->priv_destructor	= xfrmi_dev_free;
-	netif_keep_dst(dev);
-
-	eth_broadcast_addr(dev->broadcast);
-}
-
-static int xfrmi_dev_init(struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device *phydev = __dev_get_by_index(xi->net, xi->p.link);
-	int err;
-
-	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
-	if (!dev->tstats)
-		return -ENOMEM;
-
-	err = gro_cells_init(&xi->gro_cells, dev);
-	if (err) {
-		free_percpu(dev->tstats);
-		return err;
-	}
-
-	dev->features |= NETIF_F_LLTX;
-
-	if (phydev) {
-		dev->needed_headroom = phydev->needed_headroom;
-		dev->needed_tailroom = phydev->needed_tailroom;
-
-		if (is_zero_ether_addr(dev->dev_addr))
-			eth_hw_addr_inherit(dev, phydev);
-		if (is_zero_ether_addr(dev->broadcast))
-			memcpy(dev->broadcast, phydev->broadcast,
-			       dev->addr_len);
-	} else {
-		eth_hw_addr_random(dev);
-		eth_broadcast_addr(dev->broadcast);
-	}
-
-	return 0;
-}
-
-static int xfrmi_validate(struct nlattr *tb[], struct nlattr *data[],
-			 struct netlink_ext_ack *extack)
-{
-	return 0;
-}
-
-static void xfrmi_netlink_parms(struct nlattr *data[],
-			       struct xfrm_if_parms *parms)
-{
-	memset(parms, 0, sizeof(*parms));
-
-	if (!data)
-		return;
-
-	if (data[IFLA_XFRM_LINK])
-		parms->link = nla_get_u32(data[IFLA_XFRM_LINK]);
-
-	if (data[IFLA_XFRM_IF_ID])
-		parms->if_id = nla_get_u32(data[IFLA_XFRM_IF_ID]);
-}
-
-static int xfrmi_newlink(struct net *src_net, struct net_device *dev,
-			struct nlattr *tb[], struct nlattr *data[],
-			struct netlink_ext_ack *extack)
-{
-	struct net *net = dev_net(dev);
-	struct xfrm_if_parms p = {};
-	struct xfrm_if *xi;
-	int err;
-
-	xfrmi_netlink_parms(data, &p);
-	if (!p.if_id) {
-		NL_SET_ERR_MSG(extack, "if_id must be non zero");
-		return -EINVAL;
-	}
-
-	xi = xfrmi_locate(net, &p);
-	if (xi)
-		return -EEXIST;
-
-	xi = netdev_priv(dev);
-	xi->p = p;
-	xi->net = net;
-	xi->dev = dev;
-
-	err = xfrmi_create(dev);
-	return err;
-}
-
-static void xfrmi_dellink(struct net_device *dev, struct list_head *head)
-{
-	unregister_netdevice_queue(dev, head);
-}
-
-static int xfrmi_changelink(struct net_device *dev, struct nlattr *tb[],
-			   struct nlattr *data[],
-			   struct netlink_ext_ack *extack)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct net *net = xi->net;
-	struct xfrm_if_parms p = {};
-
-	xfrmi_netlink_parms(data, &p);
-	if (!p.if_id) {
-		NL_SET_ERR_MSG(extack, "if_id must be non zero");
-		return -EINVAL;
-	}
-
-	xi = xfrmi_locate(net, &p);
-	if (!xi) {
-		xi = netdev_priv(dev);
-	} else {
-		if (xi->dev != dev)
-			return -EEXIST;
-	}
-
-	return xfrmi_update(xi, &p);
-}
-
-static size_t xfrmi_get_size(const struct net_device *dev)
-{
-	return
-		/* IFLA_XFRM_LINK */
-		nla_total_size(4) +
-		/* IFLA_XFRM_IF_ID */
-		nla_total_size(4) +
-		0;
-}
-
-static int xfrmi_fill_info(struct sk_buff *skb, const struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-	struct xfrm_if_parms *parm = &xi->p;
-
-	if (nla_put_u32(skb, IFLA_XFRM_LINK, parm->link) ||
-	    nla_put_u32(skb, IFLA_XFRM_IF_ID, parm->if_id))
-		goto nla_put_failure;
-	return 0;
-
-nla_put_failure:
-	return -EMSGSIZE;
-}
-
-static struct net *xfrmi_get_link_net(const struct net_device *dev)
-{
-	struct xfrm_if *xi = netdev_priv(dev);
-
-	return xi->net;
-}
-
-static const struct nla_policy xfrmi_policy[IFLA_XFRM_MAX + 1] = {
-	[IFLA_XFRM_LINK]	= { .type = NLA_U32 },
-	[IFLA_XFRM_IF_ID]	= { .type = NLA_U32 },
-};
-
-static struct rtnl_link_ops xfrmi_link_ops __read_mostly = {
-	.kind		= "xfrm",
-	.maxtype	= IFLA_XFRM_MAX,
-	.policy		= xfrmi_policy,
-	.priv_size	= sizeof(struct xfrm_if),
-	.setup		= xfrmi_dev_setup,
-	.validate	= xfrmi_validate,
-	.newlink	= xfrmi_newlink,
-	.dellink	= xfrmi_dellink,
-	.changelink	= xfrmi_changelink,
-	.get_size	= xfrmi_get_size,
-	.fill_info	= xfrmi_fill_info,
-	.get_link_net	= xfrmi_get_link_net,
-};
-
-static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
-{
-	struct net *net;
-	LIST_HEAD(list);
-
-	rtnl_lock();
-	list_for_each_entry(net, net_exit_list, exit_list) {
-		struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
-		struct xfrm_if __rcu **xip;
-		struct xfrm_if *xi;
-		int i;
-
-		for (i = 0; i < XFRMI_HASH_SIZE; i++) {
-			for (xip = &xfrmn->xfrmi[i];
-			     (xi = rtnl_dereference(*xip)) != NULL;
-			     xip = &xi->next)
-				unregister_netdevice_queue(xi->dev, &list);
-		}
-	}
-	unregister_netdevice_many(&list);
-	rtnl_unlock();
-}
-
-static struct pernet_operations xfrmi_net_ops = {
-	.exit_batch = xfrmi_exit_batch_net,
-	.id   = &xfrmi_net_id,
-	.size = sizeof(struct xfrmi_net),
-};
-
-static struct xfrm6_protocol xfrmi_esp6_protocol __read_mostly = {
-	.handler	=	xfrm6_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi6_err,
-	.priority	=	10,
-};
-
-static struct xfrm6_protocol xfrmi_ah6_protocol __read_mostly = {
-	.handler	=	xfrm6_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi6_err,
-	.priority	=	10,
-};
-
-static struct xfrm6_protocol xfrmi_ipcomp6_protocol __read_mostly = {
-	.handler	=	xfrm6_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi6_err,
-	.priority	=	10,
-};
-
-#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
-static int xfrmi6_rcv_tunnel(struct sk_buff *skb)
-{
-	const xfrm_address_t *saddr;
-	__be32 spi;
-
-	saddr = (const xfrm_address_t *)&ipv6_hdr(skb)->saddr;
-	spi = xfrm6_tunnel_spi_lookup(dev_net(skb->dev), saddr);
-
-	return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi, NULL);
-}
-
-static struct xfrm6_tunnel xfrmi_ipv6_handler __read_mostly = {
-	.handler	=	xfrmi6_rcv_tunnel,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi6_err,
-	.priority	=	2,
-};
-
-static struct xfrm6_tunnel xfrmi_ip6ip_handler __read_mostly = {
-	.handler	=	xfrmi6_rcv_tunnel,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi6_err,
-	.priority	=	2,
-};
-#endif
-
-static struct xfrm4_protocol xfrmi_esp4_protocol __read_mostly = {
-	.handler	=	xfrm4_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi4_err,
-	.priority	=	10,
-};
-
-static struct xfrm4_protocol xfrmi_ah4_protocol __read_mostly = {
-	.handler	=	xfrm4_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi4_err,
-	.priority	=	10,
-};
-
-static struct xfrm4_protocol xfrmi_ipcomp4_protocol __read_mostly = {
-	.handler	=	xfrm4_rcv,
-	.input_handler	=	xfrm_input,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi4_err,
-	.priority	=	10,
-};
-
-#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
-static int xfrmi4_rcv_tunnel(struct sk_buff *skb)
-{
-	return xfrm4_rcv_spi(skb, IPPROTO_IPIP, ip_hdr(skb)->saddr);
-}
-
-static struct xfrm_tunnel xfrmi_ipip_handler __read_mostly = {
-	.handler	=	xfrmi4_rcv_tunnel,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi4_err,
-	.priority	=	3,
-};
-
-static struct xfrm_tunnel xfrmi_ipip6_handler __read_mostly = {
-	.handler	=	xfrmi4_rcv_tunnel,
-	.cb_handler	=	xfrmi_rcv_cb,
-	.err_handler	=	xfrmi4_err,
-	.priority	=	2,
-};
-#endif
-
-static int __init xfrmi4_init(void)
-{
-	int err;
-
-	err = xfrm4_protocol_register(&xfrmi_esp4_protocol, IPPROTO_ESP);
-	if (err < 0)
-		goto xfrm_proto_esp_failed;
-	err = xfrm4_protocol_register(&xfrmi_ah4_protocol, IPPROTO_AH);
-	if (err < 0)
-		goto xfrm_proto_ah_failed;
-	err = xfrm4_protocol_register(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
-	if (err < 0)
-		goto xfrm_proto_comp_failed;
-#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
-	err = xfrm4_tunnel_register(&xfrmi_ipip_handler, AF_INET);
-	if (err < 0)
-		goto xfrm_tunnel_ipip_failed;
-	err = xfrm4_tunnel_register(&xfrmi_ipip6_handler, AF_INET6);
-	if (err < 0)
-		goto xfrm_tunnel_ipip6_failed;
-#endif
-
-	return 0;
-
-#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
-xfrm_tunnel_ipip6_failed:
-	xfrm4_tunnel_deregister(&xfrmi_ipip_handler, AF_INET);
-xfrm_tunnel_ipip_failed:
-	xfrm4_protocol_deregister(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
-#endif
-xfrm_proto_comp_failed:
-	xfrm4_protocol_deregister(&xfrmi_ah4_protocol, IPPROTO_AH);
-xfrm_proto_ah_failed:
-	xfrm4_protocol_deregister(&xfrmi_esp4_protocol, IPPROTO_ESP);
-xfrm_proto_esp_failed:
-	return err;
-}
-
-static void xfrmi4_fini(void)
-{
-#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
-	xfrm4_tunnel_deregister(&xfrmi_ipip6_handler, AF_INET6);
-	xfrm4_tunnel_deregister(&xfrmi_ipip_handler, AF_INET);
-#endif
-	xfrm4_protocol_deregister(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
-	xfrm4_protocol_deregister(&xfrmi_ah4_protocol, IPPROTO_AH);
-	xfrm4_protocol_deregister(&xfrmi_esp4_protocol, IPPROTO_ESP);
-}
-
-static int __init xfrmi6_init(void)
-{
-	int err;
-
-	err = xfrm6_protocol_register(&xfrmi_esp6_protocol, IPPROTO_ESP);
-	if (err < 0)
-		goto xfrm_proto_esp_failed;
-	err = xfrm6_protocol_register(&xfrmi_ah6_protocol, IPPROTO_AH);
-	if (err < 0)
-		goto xfrm_proto_ah_failed;
-	err = xfrm6_protocol_register(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
-	if (err < 0)
-		goto xfrm_proto_comp_failed;
-#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
-	err = xfrm6_tunnel_register(&xfrmi_ipv6_handler, AF_INET6);
-	if (err < 0)
-		goto xfrm_tunnel_ipv6_failed;
-	err = xfrm6_tunnel_register(&xfrmi_ip6ip_handler, AF_INET);
-	if (err < 0)
-		goto xfrm_tunnel_ip6ip_failed;
-#endif
-
-	return 0;
-
-#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
-xfrm_tunnel_ip6ip_failed:
-	xfrm6_tunnel_deregister(&xfrmi_ipv6_handler, AF_INET6);
-xfrm_tunnel_ipv6_failed:
-	xfrm6_protocol_deregister(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
-#endif
-xfrm_proto_comp_failed:
-	xfrm6_protocol_deregister(&xfrmi_ah6_protocol, IPPROTO_AH);
-xfrm_proto_ah_failed:
-	xfrm6_protocol_deregister(&xfrmi_esp6_protocol, IPPROTO_ESP);
-xfrm_proto_esp_failed:
-	return err;
-}
-
-static void xfrmi6_fini(void)
-{
-#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
-	xfrm6_tunnel_deregister(&xfrmi_ip6ip_handler, AF_INET);
-	xfrm6_tunnel_deregister(&xfrmi_ipv6_handler, AF_INET6);
-#endif
-	xfrm6_protocol_deregister(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
-	xfrm6_protocol_deregister(&xfrmi_ah6_protocol, IPPROTO_AH);
-	xfrm6_protocol_deregister(&xfrmi_esp6_protocol, IPPROTO_ESP);
-}
-
-static const struct xfrm_if_cb xfrm_if_cb = {
-	.decode_session =	xfrmi_decode_session,
-};
-
-static int __init xfrmi_init(void)
-{
-	const char *msg;
-	int err;
-
-	pr_info("IPsec XFRM device driver\n");
-
-	msg = "tunnel device";
-	err = register_pernet_device(&xfrmi_net_ops);
-	if (err < 0)
-		goto pernet_dev_failed;
-
-	msg = "xfrm4 protocols";
-	err = xfrmi4_init();
-	if (err < 0)
-		goto xfrmi4_failed;
-
-	msg = "xfrm6 protocols";
-	err = xfrmi6_init();
-	if (err < 0)
-		goto xfrmi6_failed;
-
-
-	msg = "netlink interface";
-	err = rtnl_link_register(&xfrmi_link_ops);
-	if (err < 0)
-		goto rtnl_link_failed;
-
-	xfrm_if_register_cb(&xfrm_if_cb);
-
-	return err;
-
-rtnl_link_failed:
-	xfrmi6_fini();
-xfrmi6_failed:
-	xfrmi4_fini();
-xfrmi4_failed:
-	unregister_pernet_device(&xfrmi_net_ops);
-pernet_dev_failed:
-	pr_err("xfrmi init: failed to register %s\n", msg);
-	return err;
-}
-
-static void __exit xfrmi_fini(void)
-{
-	xfrm_if_unregister_cb();
-	rtnl_link_unregister(&xfrmi_link_ops);
-	xfrmi4_fini();
-	xfrmi6_fini();
-	unregister_pernet_device(&xfrmi_net_ops);
-}
-
-module_init(xfrmi_init);
-module_exit(xfrmi_fini);
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_RTNL_LINK("xfrm");
-MODULE_ALIAS_NETDEV("xfrm0");
-MODULE_AUTHOR("Steffen Klassert");
-MODULE_DESCRIPTION("XFRM virtual interface");
diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c
new file mode 100644
index 0000000000000..e4f21a6924153
--- /dev/null
+++ b/net/xfrm/xfrm_interface_core.c
@@ -0,0 +1,1084 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ *	XFRM virtual interface
+ *
+ *	Copyright (C) 2018 secunet Security Networks AG
+ *
+ *	Author:
+ *	Steffen Klassert <steffen.klassert@secunet.com>
+ */
+
+#include <linux/module.h>
+#include <linux/capability.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/sockios.h>
+#include <linux/icmp.h>
+#include <linux/if.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/net.h>
+#include <linux/in6.h>
+#include <linux/netdevice.h>
+#include <linux/if_link.h>
+#include <linux/if_arp.h>
+#include <linux/icmpv6.h>
+#include <linux/init.h>
+#include <linux/route.h>
+#include <linux/rtnetlink.h>
+#include <linux/netfilter_ipv6.h>
+#include <linux/slab.h>
+#include <linux/hash.h>
+
+#include <linux/uaccess.h>
+#include <linux/atomic.h>
+
+#include <net/icmp.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <net/ip6_route.h>
+#include <net/ip_tunnels.h>
+#include <net/addrconf.h>
+#include <net/xfrm.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include <linux/etherdevice.h>
+
+static int xfrmi_dev_init(struct net_device *dev);
+static void xfrmi_dev_setup(struct net_device *dev);
+static struct rtnl_link_ops xfrmi_link_ops __read_mostly;
+static unsigned int xfrmi_net_id __read_mostly;
+static const struct net_device_ops xfrmi_netdev_ops;
+
+#define XFRMI_HASH_BITS	8
+#define XFRMI_HASH_SIZE	BIT(XFRMI_HASH_BITS)
+
+struct xfrmi_net {
+	/* lists for storing interfaces in use */
+	struct xfrm_if __rcu *xfrmi[XFRMI_HASH_SIZE];
+};
+
+#define for_each_xfrmi_rcu(start, xi) \
+	for (xi = rcu_dereference(start); xi; xi = rcu_dereference(xi->next))
+
+static u32 xfrmi_hash(u32 if_id)
+{
+	return hash_32(if_id, XFRMI_HASH_BITS);
+}
+
+static struct xfrm_if *xfrmi_lookup(struct net *net, struct xfrm_state *x)
+{
+	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+	struct xfrm_if *xi;
+
+	for_each_xfrmi_rcu(xfrmn->xfrmi[xfrmi_hash(x->if_id)], xi) {
+		if (x->if_id == xi->p.if_id &&
+		    (xi->dev->flags & IFF_UP))
+			return xi;
+	}
+
+	return NULL;
+}
+
+static struct xfrm_if *xfrmi_decode_session(struct sk_buff *skb,
+					    unsigned short family)
+{
+	struct net_device *dev;
+	int ifindex = 0;
+
+	if (!secpath_exists(skb) || !skb->dev)
+		return NULL;
+
+	switch (family) {
+	case AF_INET6:
+		ifindex = inet6_sdif(skb);
+		break;
+	case AF_INET:
+		ifindex = inet_sdif(skb);
+		break;
+	}
+
+	if (ifindex) {
+		struct net *net = xs_net(xfrm_input_state(skb));
+
+		dev = dev_get_by_index_rcu(net, ifindex);
+	} else {
+		dev = skb->dev;
+	}
+
+	if (!dev || !(dev->flags & IFF_UP))
+		return NULL;
+	if (dev->netdev_ops != &xfrmi_netdev_ops)
+		return NULL;
+
+	return netdev_priv(dev);
+}
+
+static void xfrmi_link(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
+{
+	struct xfrm_if __rcu **xip = &xfrmn->xfrmi[xfrmi_hash(xi->p.if_id)];
+
+	rcu_assign_pointer(xi->next , rtnl_dereference(*xip));
+	rcu_assign_pointer(*xip, xi);
+}
+
+static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
+{
+	struct xfrm_if __rcu **xip;
+	struct xfrm_if *iter;
+
+	for (xip = &xfrmn->xfrmi[xfrmi_hash(xi->p.if_id)];
+	     (iter = rtnl_dereference(*xip)) != NULL;
+	     xip = &iter->next) {
+		if (xi == iter) {
+			rcu_assign_pointer(*xip, xi->next);
+			break;
+		}
+	}
+}
+
+static void xfrmi_dev_free(struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+
+	gro_cells_destroy(&xi->gro_cells);
+	free_percpu(dev->tstats);
+}
+
+static int xfrmi_create(struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct net *net = dev_net(dev);
+	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+	int err;
+
+	dev->rtnl_link_ops = &xfrmi_link_ops;
+	err = register_netdevice(dev);
+	if (err < 0)
+		goto out;
+
+	xfrmi_link(xfrmn, xi);
+
+	return 0;
+
+out:
+	return err;
+}
+
+static struct xfrm_if *xfrmi_locate(struct net *net, struct xfrm_if_parms *p)
+{
+	struct xfrm_if __rcu **xip;
+	struct xfrm_if *xi;
+	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+
+	for (xip = &xfrmn->xfrmi[xfrmi_hash(p->if_id)];
+	     (xi = rtnl_dereference(*xip)) != NULL;
+	     xip = &xi->next)
+		if (xi->p.if_id == p->if_id)
+			return xi;
+
+	return NULL;
+}
+
+static void xfrmi_dev_uninit(struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct xfrmi_net *xfrmn = net_generic(xi->net, xfrmi_net_id);
+
+	xfrmi_unlink(xfrmn, xi);
+}
+
+static void xfrmi_scrub_packet(struct sk_buff *skb, bool xnet)
+{
+	skb->tstamp = 0;
+	skb->pkt_type = PACKET_HOST;
+	skb->skb_iif = 0;
+	skb->ignore_df = 0;
+	skb_dst_drop(skb);
+	nf_reset_ct(skb);
+	nf_reset_trace(skb);
+
+	if (!xnet)
+		return;
+
+	ipvs_reset(skb);
+	secpath_reset(skb);
+	skb_orphan(skb);
+	skb->mark = 0;
+}
+
+static int xfrmi_input(struct sk_buff *skb, int nexthdr, __be32 spi,
+		       int encap_type, unsigned short family)
+{
+	struct sec_path *sp;
+
+	sp = skb_sec_path(skb);
+	if (sp && (sp->len || sp->olen) &&
+	    !xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family))
+		goto discard;
+
+	XFRM_SPI_SKB_CB(skb)->family = family;
+	if (family == AF_INET) {
+		XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
+		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = NULL;
+	} else {
+		XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
+		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
+	}
+
+	return xfrm_input(skb, nexthdr, spi, encap_type);
+discard:
+	kfree_skb(skb);
+	return 0;
+}
+
+static int xfrmi4_rcv(struct sk_buff *skb)
+{
+	return xfrmi_input(skb, ip_hdr(skb)->protocol, 0, 0, AF_INET);
+}
+
+static int xfrmi6_rcv(struct sk_buff *skb)
+{
+	return xfrmi_input(skb, skb_network_header(skb)[IP6CB(skb)->nhoff],
+			   0, 0, AF_INET6);
+}
+
+static int xfrmi4_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
+{
+	return xfrmi_input(skb, nexthdr, spi, encap_type, AF_INET);
+}
+
+static int xfrmi6_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
+{
+	return xfrmi_input(skb, nexthdr, spi, encap_type, AF_INET6);
+}
+
+static int xfrmi_rcv_cb(struct sk_buff *skb, int err)
+{
+	const struct xfrm_mode *inner_mode;
+	struct net_device *dev;
+	struct xfrm_state *x;
+	struct xfrm_if *xi;
+	bool xnet;
+
+	if (err && !secpath_exists(skb))
+		return 0;
+
+	x = xfrm_input_state(skb);
+
+	xi = xfrmi_lookup(xs_net(x), x);
+	if (!xi)
+		return 1;
+
+	dev = xi->dev;
+	skb->dev = dev;
+
+	if (err) {
+		dev->stats.rx_errors++;
+		dev->stats.rx_dropped++;
+
+		return 0;
+	}
+
+	xnet = !net_eq(xi->net, dev_net(skb->dev));
+
+	if (xnet) {
+		inner_mode = &x->inner_mode;
+
+		if (x->sel.family == AF_UNSPEC) {
+			inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
+			if (inner_mode == NULL) {
+				XFRM_INC_STATS(dev_net(skb->dev),
+					       LINUX_MIB_XFRMINSTATEMODEERROR);
+				return -EINVAL;
+			}
+		}
+
+		if (!xfrm_policy_check(NULL, XFRM_POLICY_IN, skb,
+				       inner_mode->family))
+			return -EPERM;
+	}
+
+	xfrmi_scrub_packet(skb, xnet);
+	dev_sw_netstats_rx_add(dev, skb->len);
+
+	return 0;
+}
+
+static int
+xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct net_device_stats *stats = &xi->dev->stats;
+	struct dst_entry *dst = skb_dst(skb);
+	unsigned int length = skb->len;
+	struct net_device *tdev;
+	struct xfrm_state *x;
+	int err = -1;
+	int mtu;
+
+	dst_hold(dst);
+	dst = xfrm_lookup_with_ifid(xi->net, dst, fl, NULL, 0, xi->p.if_id);
+	if (IS_ERR(dst)) {
+		err = PTR_ERR(dst);
+		dst = NULL;
+		goto tx_err_link_failure;
+	}
+
+	x = dst->xfrm;
+	if (!x)
+		goto tx_err_link_failure;
+
+	if (x->if_id != xi->p.if_id)
+		goto tx_err_link_failure;
+
+	tdev = dst->dev;
+
+	if (tdev == dev) {
+		stats->collisions++;
+		net_warn_ratelimited("%s: Local routing loop detected!\n",
+				     dev->name);
+		goto tx_err_dst_release;
+	}
+
+	mtu = dst_mtu(dst);
+	if (skb->len > mtu) {
+		skb_dst_update_pmtu_no_confirm(skb, mtu);
+
+		if (skb->protocol == htons(ETH_P_IPV6)) {
+			if (mtu < IPV6_MIN_MTU)
+				mtu = IPV6_MIN_MTU;
+
+			if (skb->len > 1280)
+				icmpv6_ndo_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+			else
+				goto xmit;
+		} else {
+			if (!(ip_hdr(skb)->frag_off & htons(IP_DF)))
+				goto xmit;
+			icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
+				      htonl(mtu));
+		}
+
+		dst_release(dst);
+		return -EMSGSIZE;
+	}
+
+xmit:
+	xfrmi_scrub_packet(skb, !net_eq(xi->net, dev_net(dev)));
+	skb_dst_set(skb, dst);
+	skb->dev = tdev;
+
+	err = dst_output(xi->net, skb->sk, skb);
+	if (net_xmit_eval(err) == 0) {
+		struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
+
+		u64_stats_update_begin(&tstats->syncp);
+		tstats->tx_bytes += length;
+		tstats->tx_packets++;
+		u64_stats_update_end(&tstats->syncp);
+	} else {
+		stats->tx_errors++;
+		stats->tx_aborted_errors++;
+	}
+
+	return 0;
+tx_err_link_failure:
+	stats->tx_carrier_errors++;
+	dst_link_failure(skb);
+tx_err_dst_release:
+	dst_release(dst);
+	return err;
+}
+
+static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct net_device_stats *stats = &xi->dev->stats;
+	struct dst_entry *dst = skb_dst(skb);
+	struct flowi fl;
+	int ret;
+
+	memset(&fl, 0, sizeof(fl));
+
+	switch (skb->protocol) {
+	case htons(ETH_P_IPV6):
+		xfrm_decode_session(skb, &fl, AF_INET6);
+		memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+		if (!dst) {
+			fl.u.ip6.flowi6_oif = dev->ifindex;
+			fl.u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+			dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
+			if (dst->error) {
+				dst_release(dst);
+				stats->tx_carrier_errors++;
+				goto tx_err;
+			}
+			skb_dst_set(skb, dst);
+		}
+		break;
+	case htons(ETH_P_IP):
+		xfrm_decode_session(skb, &fl, AF_INET);
+		memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+		if (!dst) {
+			struct rtable *rt;
+
+			fl.u.ip4.flowi4_oif = dev->ifindex;
+			fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+			rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
+			if (IS_ERR(rt)) {
+				stats->tx_carrier_errors++;
+				goto tx_err;
+			}
+			skb_dst_set(skb, &rt->dst);
+		}
+		break;
+	default:
+		goto tx_err;
+	}
+
+	fl.flowi_oif = xi->p.link;
+
+	ret = xfrmi_xmit2(skb, dev, &fl);
+	if (ret < 0)
+		goto tx_err;
+
+	return NETDEV_TX_OK;
+
+tx_err:
+	stats->tx_errors++;
+	stats->tx_dropped++;
+	kfree_skb(skb);
+	return NETDEV_TX_OK;
+}
+
+static int xfrmi4_err(struct sk_buff *skb, u32 info)
+{
+	const struct iphdr *iph = (const struct iphdr *)skb->data;
+	struct net *net = dev_net(skb->dev);
+	int protocol = iph->protocol;
+	struct ip_comp_hdr *ipch;
+	struct ip_esp_hdr *esph;
+	struct ip_auth_hdr *ah ;
+	struct xfrm_state *x;
+	struct xfrm_if *xi;
+	__be32 spi;
+
+	switch (protocol) {
+	case IPPROTO_ESP:
+		esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
+		spi = esph->spi;
+		break;
+	case IPPROTO_AH:
+		ah = (struct ip_auth_hdr *)(skb->data+(iph->ihl<<2));
+		spi = ah->spi;
+		break;
+	case IPPROTO_COMP:
+		ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2));
+		spi = htonl(ntohs(ipch->cpi));
+		break;
+	default:
+		return 0;
+	}
+
+	switch (icmp_hdr(skb)->type) {
+	case ICMP_DEST_UNREACH:
+		if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
+			return 0;
+	case ICMP_REDIRECT:
+		break;
+	default:
+		return 0;
+	}
+
+	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+			      spi, protocol, AF_INET);
+	if (!x)
+		return 0;
+
+	xi = xfrmi_lookup(net, x);
+	if (!xi) {
+		xfrm_state_put(x);
+		return -1;
+	}
+
+	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+		ipv4_update_pmtu(skb, net, info, 0, protocol);
+	else
+		ipv4_redirect(skb, net, 0, protocol);
+	xfrm_state_put(x);
+
+	return 0;
+}
+
+static int xfrmi6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+		    u8 type, u8 code, int offset, __be32 info)
+{
+	const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
+	struct net *net = dev_net(skb->dev);
+	int protocol = iph->nexthdr;
+	struct ip_comp_hdr *ipch;
+	struct ip_esp_hdr *esph;
+	struct ip_auth_hdr *ah;
+	struct xfrm_state *x;
+	struct xfrm_if *xi;
+	__be32 spi;
+
+	switch (protocol) {
+	case IPPROTO_ESP:
+		esph = (struct ip_esp_hdr *)(skb->data + offset);
+		spi = esph->spi;
+		break;
+	case IPPROTO_AH:
+		ah = (struct ip_auth_hdr *)(skb->data + offset);
+		spi = ah->spi;
+		break;
+	case IPPROTO_COMP:
+		ipch = (struct ip_comp_hdr *)(skb->data + offset);
+		spi = htonl(ntohs(ipch->cpi));
+		break;
+	default:
+		return 0;
+	}
+
+	if (type != ICMPV6_PKT_TOOBIG &&
+	    type != NDISC_REDIRECT)
+		return 0;
+
+	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+			      spi, protocol, AF_INET6);
+	if (!x)
+		return 0;
+
+	xi = xfrmi_lookup(net, x);
+	if (!xi) {
+		xfrm_state_put(x);
+		return -1;
+	}
+
+	if (type == NDISC_REDIRECT)
+		ip6_redirect(skb, net, skb->dev->ifindex, 0,
+			     sock_net_uid(net, NULL));
+	else
+		ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL));
+	xfrm_state_put(x);
+
+	return 0;
+}
+
+static int xfrmi_change(struct xfrm_if *xi, const struct xfrm_if_parms *p)
+{
+	if (xi->p.link != p->link)
+		return -EINVAL;
+
+	xi->p.if_id = p->if_id;
+
+	return 0;
+}
+
+static int xfrmi_update(struct xfrm_if *xi, struct xfrm_if_parms *p)
+{
+	struct net *net = xi->net;
+	struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+	int err;
+
+	xfrmi_unlink(xfrmn, xi);
+	synchronize_net();
+	err = xfrmi_change(xi, p);
+	xfrmi_link(xfrmn, xi);
+	netdev_state_change(xi->dev);
+	return err;
+}
+
+static void xfrmi_get_stats64(struct net_device *dev,
+			       struct rtnl_link_stats64 *s)
+{
+	dev_fetch_sw_netstats(s, dev->tstats);
+
+	s->rx_dropped = dev->stats.rx_dropped;
+	s->tx_dropped = dev->stats.tx_dropped;
+}
+
+static int xfrmi_get_iflink(const struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+
+	return xi->p.link;
+}
+
+
+static const struct net_device_ops xfrmi_netdev_ops = {
+	.ndo_init	= xfrmi_dev_init,
+	.ndo_uninit	= xfrmi_dev_uninit,
+	.ndo_start_xmit = xfrmi_xmit,
+	.ndo_get_stats64 = xfrmi_get_stats64,
+	.ndo_get_iflink = xfrmi_get_iflink,
+};
+
+static void xfrmi_dev_setup(struct net_device *dev)
+{
+	dev->netdev_ops 	= &xfrmi_netdev_ops;
+	dev->header_ops		= &ip_tunnel_header_ops;
+	dev->type		= ARPHRD_NONE;
+	dev->mtu		= ETH_DATA_LEN;
+	dev->min_mtu		= ETH_MIN_MTU;
+	dev->max_mtu		= IP_MAX_MTU;
+	dev->flags 		= IFF_NOARP;
+	dev->needs_free_netdev	= true;
+	dev->priv_destructor	= xfrmi_dev_free;
+	netif_keep_dst(dev);
+
+	eth_broadcast_addr(dev->broadcast);
+}
+
+static int xfrmi_dev_init(struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct net_device *phydev = __dev_get_by_index(xi->net, xi->p.link);
+	int err;
+
+	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+	if (!dev->tstats)
+		return -ENOMEM;
+
+	err = gro_cells_init(&xi->gro_cells, dev);
+	if (err) {
+		free_percpu(dev->tstats);
+		return err;
+	}
+
+	dev->features |= NETIF_F_LLTX;
+
+	if (phydev) {
+		dev->needed_headroom = phydev->needed_headroom;
+		dev->needed_tailroom = phydev->needed_tailroom;
+
+		if (is_zero_ether_addr(dev->dev_addr))
+			eth_hw_addr_inherit(dev, phydev);
+		if (is_zero_ether_addr(dev->broadcast))
+			memcpy(dev->broadcast, phydev->broadcast,
+			       dev->addr_len);
+	} else {
+		eth_hw_addr_random(dev);
+		eth_broadcast_addr(dev->broadcast);
+	}
+
+	return 0;
+}
+
+static int xfrmi_validate(struct nlattr *tb[], struct nlattr *data[],
+			 struct netlink_ext_ack *extack)
+{
+	return 0;
+}
+
+static void xfrmi_netlink_parms(struct nlattr *data[],
+			       struct xfrm_if_parms *parms)
+{
+	memset(parms, 0, sizeof(*parms));
+
+	if (!data)
+		return;
+
+	if (data[IFLA_XFRM_LINK])
+		parms->link = nla_get_u32(data[IFLA_XFRM_LINK]);
+
+	if (data[IFLA_XFRM_IF_ID])
+		parms->if_id = nla_get_u32(data[IFLA_XFRM_IF_ID]);
+}
+
+static int xfrmi_newlink(struct net *src_net, struct net_device *dev,
+			struct nlattr *tb[], struct nlattr *data[],
+			struct netlink_ext_ack *extack)
+{
+	struct net *net = dev_net(dev);
+	struct xfrm_if_parms p = {};
+	struct xfrm_if *xi;
+	int err;
+
+	xfrmi_netlink_parms(data, &p);
+	if (!p.if_id) {
+		NL_SET_ERR_MSG(extack, "if_id must be non zero");
+		return -EINVAL;
+	}
+
+	xi = xfrmi_locate(net, &p);
+	if (xi)
+		return -EEXIST;
+
+	xi = netdev_priv(dev);
+	xi->p = p;
+	xi->net = net;
+	xi->dev = dev;
+
+	err = xfrmi_create(dev);
+	return err;
+}
+
+static void xfrmi_dellink(struct net_device *dev, struct list_head *head)
+{
+	unregister_netdevice_queue(dev, head);
+}
+
+static int xfrmi_changelink(struct net_device *dev, struct nlattr *tb[],
+			   struct nlattr *data[],
+			   struct netlink_ext_ack *extack)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct net *net = xi->net;
+	struct xfrm_if_parms p = {};
+
+	xfrmi_netlink_parms(data, &p);
+	if (!p.if_id) {
+		NL_SET_ERR_MSG(extack, "if_id must be non zero");
+		return -EINVAL;
+	}
+
+	xi = xfrmi_locate(net, &p);
+	if (!xi) {
+		xi = netdev_priv(dev);
+	} else {
+		if (xi->dev != dev)
+			return -EEXIST;
+	}
+
+	return xfrmi_update(xi, &p);
+}
+
+static size_t xfrmi_get_size(const struct net_device *dev)
+{
+	return
+		/* IFLA_XFRM_LINK */
+		nla_total_size(4) +
+		/* IFLA_XFRM_IF_ID */
+		nla_total_size(4) +
+		0;
+}
+
+static int xfrmi_fill_info(struct sk_buff *skb, const struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+	struct xfrm_if_parms *parm = &xi->p;
+
+	if (nla_put_u32(skb, IFLA_XFRM_LINK, parm->link) ||
+	    nla_put_u32(skb, IFLA_XFRM_IF_ID, parm->if_id))
+		goto nla_put_failure;
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+
+static struct net *xfrmi_get_link_net(const struct net_device *dev)
+{
+	struct xfrm_if *xi = netdev_priv(dev);
+
+	return xi->net;
+}
+
+static const struct nla_policy xfrmi_policy[IFLA_XFRM_MAX + 1] = {
+	[IFLA_XFRM_LINK]	= { .type = NLA_U32 },
+	[IFLA_XFRM_IF_ID]	= { .type = NLA_U32 },
+};
+
+static struct rtnl_link_ops xfrmi_link_ops __read_mostly = {
+	.kind		= "xfrm",
+	.maxtype	= IFLA_XFRM_MAX,
+	.policy		= xfrmi_policy,
+	.priv_size	= sizeof(struct xfrm_if),
+	.setup		= xfrmi_dev_setup,
+	.validate	= xfrmi_validate,
+	.newlink	= xfrmi_newlink,
+	.dellink	= xfrmi_dellink,
+	.changelink	= xfrmi_changelink,
+	.get_size	= xfrmi_get_size,
+	.fill_info	= xfrmi_fill_info,
+	.get_link_net	= xfrmi_get_link_net,
+};
+
+static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
+{
+	struct net *net;
+	LIST_HEAD(list);
+
+	rtnl_lock();
+	list_for_each_entry(net, net_exit_list, exit_list) {
+		struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+		struct xfrm_if __rcu **xip;
+		struct xfrm_if *xi;
+		int i;
+
+		for (i = 0; i < XFRMI_HASH_SIZE; i++) {
+			for (xip = &xfrmn->xfrmi[i];
+			     (xi = rtnl_dereference(*xip)) != NULL;
+			     xip = &xi->next)
+				unregister_netdevice_queue(xi->dev, &list);
+		}
+	}
+	unregister_netdevice_many(&list);
+	rtnl_unlock();
+}
+
+static struct pernet_operations xfrmi_net_ops = {
+	.exit_batch = xfrmi_exit_batch_net,
+	.id   = &xfrmi_net_id,
+	.size = sizeof(struct xfrmi_net),
+};
+
+static struct xfrm6_protocol xfrmi_esp6_protocol __read_mostly = {
+	.handler	=	xfrmi6_rcv,
+	.input_handler	=	xfrmi6_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi6_err,
+	.priority	=	10,
+};
+
+static struct xfrm6_protocol xfrmi_ah6_protocol __read_mostly = {
+	.handler	=	xfrm6_rcv,
+	.input_handler	=	xfrm_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi6_err,
+	.priority	=	10,
+};
+
+static struct xfrm6_protocol xfrmi_ipcomp6_protocol __read_mostly = {
+	.handler	=	xfrm6_rcv,
+	.input_handler	=	xfrm_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi6_err,
+	.priority	=	10,
+};
+
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+static int xfrmi6_rcv_tunnel(struct sk_buff *skb)
+{
+	const xfrm_address_t *saddr;
+	__be32 spi;
+
+	saddr = (const xfrm_address_t *)&ipv6_hdr(skb)->saddr;
+	spi = xfrm6_tunnel_spi_lookup(dev_net(skb->dev), saddr);
+
+	return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi, NULL);
+}
+
+static struct xfrm6_tunnel xfrmi_ipv6_handler __read_mostly = {
+	.handler	=	xfrmi6_rcv_tunnel,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi6_err,
+	.priority	=	2,
+};
+
+static struct xfrm6_tunnel xfrmi_ip6ip_handler __read_mostly = {
+	.handler	=	xfrmi6_rcv_tunnel,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi6_err,
+	.priority	=	2,
+};
+#endif
+
+static struct xfrm4_protocol xfrmi_esp4_protocol __read_mostly = {
+	.handler	=	xfrmi4_rcv,
+	.input_handler	=	xfrmi4_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi4_err,
+	.priority	=	10,
+};
+
+static struct xfrm4_protocol xfrmi_ah4_protocol __read_mostly = {
+	.handler	=	xfrm4_rcv,
+	.input_handler	=	xfrm_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi4_err,
+	.priority	=	10,
+};
+
+static struct xfrm4_protocol xfrmi_ipcomp4_protocol __read_mostly = {
+	.handler	=	xfrm4_rcv,
+	.input_handler	=	xfrm_input,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi4_err,
+	.priority	=	10,
+};
+
+#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
+static int xfrmi4_rcv_tunnel(struct sk_buff *skb)
+{
+	return xfrm4_rcv_spi(skb, IPPROTO_IPIP, ip_hdr(skb)->saddr);
+}
+
+static struct xfrm_tunnel xfrmi_ipip_handler __read_mostly = {
+	.handler	=	xfrmi4_rcv_tunnel,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi4_err,
+	.priority	=	3,
+};
+
+static struct xfrm_tunnel xfrmi_ipip6_handler __read_mostly = {
+	.handler	=	xfrmi4_rcv_tunnel,
+	.cb_handler	=	xfrmi_rcv_cb,
+	.err_handler	=	xfrmi4_err,
+	.priority	=	2,
+};
+#endif
+
+static int __init xfrmi4_init(void)
+{
+	int err;
+
+	err = xfrm4_protocol_register(&xfrmi_esp4_protocol, IPPROTO_ESP);
+	if (err < 0)
+		goto xfrm_proto_esp_failed;
+	err = xfrm4_protocol_register(&xfrmi_ah4_protocol, IPPROTO_AH);
+	if (err < 0)
+		goto xfrm_proto_ah_failed;
+	err = xfrm4_protocol_register(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
+	if (err < 0)
+		goto xfrm_proto_comp_failed;
+#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
+	err = xfrm4_tunnel_register(&xfrmi_ipip_handler, AF_INET);
+	if (err < 0)
+		goto xfrm_tunnel_ipip_failed;
+	err = xfrm4_tunnel_register(&xfrmi_ipip6_handler, AF_INET6);
+	if (err < 0)
+		goto xfrm_tunnel_ipip6_failed;
+#endif
+
+	return 0;
+
+#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
+xfrm_tunnel_ipip6_failed:
+	xfrm4_tunnel_deregister(&xfrmi_ipip_handler, AF_INET);
+xfrm_tunnel_ipip_failed:
+	xfrm4_protocol_deregister(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
+#endif
+xfrm_proto_comp_failed:
+	xfrm4_protocol_deregister(&xfrmi_ah4_protocol, IPPROTO_AH);
+xfrm_proto_ah_failed:
+	xfrm4_protocol_deregister(&xfrmi_esp4_protocol, IPPROTO_ESP);
+xfrm_proto_esp_failed:
+	return err;
+}
+
+static void xfrmi4_fini(void)
+{
+#if IS_REACHABLE(CONFIG_INET_XFRM_TUNNEL)
+	xfrm4_tunnel_deregister(&xfrmi_ipip6_handler, AF_INET6);
+	xfrm4_tunnel_deregister(&xfrmi_ipip_handler, AF_INET);
+#endif
+	xfrm4_protocol_deregister(&xfrmi_ipcomp4_protocol, IPPROTO_COMP);
+	xfrm4_protocol_deregister(&xfrmi_ah4_protocol, IPPROTO_AH);
+	xfrm4_protocol_deregister(&xfrmi_esp4_protocol, IPPROTO_ESP);
+}
+
+static int __init xfrmi6_init(void)
+{
+	int err;
+
+	err = xfrm6_protocol_register(&xfrmi_esp6_protocol, IPPROTO_ESP);
+	if (err < 0)
+		goto xfrm_proto_esp_failed;
+	err = xfrm6_protocol_register(&xfrmi_ah6_protocol, IPPROTO_AH);
+	if (err < 0)
+		goto xfrm_proto_ah_failed;
+	err = xfrm6_protocol_register(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
+	if (err < 0)
+		goto xfrm_proto_comp_failed;
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+	err = xfrm6_tunnel_register(&xfrmi_ipv6_handler, AF_INET6);
+	if (err < 0)
+		goto xfrm_tunnel_ipv6_failed;
+	err = xfrm6_tunnel_register(&xfrmi_ip6ip_handler, AF_INET);
+	if (err < 0)
+		goto xfrm_tunnel_ip6ip_failed;
+#endif
+
+	return 0;
+
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+xfrm_tunnel_ip6ip_failed:
+	xfrm6_tunnel_deregister(&xfrmi_ipv6_handler, AF_INET6);
+xfrm_tunnel_ipv6_failed:
+	xfrm6_protocol_deregister(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
+#endif
+xfrm_proto_comp_failed:
+	xfrm6_protocol_deregister(&xfrmi_ah6_protocol, IPPROTO_AH);
+xfrm_proto_ah_failed:
+	xfrm6_protocol_deregister(&xfrmi_esp6_protocol, IPPROTO_ESP);
+xfrm_proto_esp_failed:
+	return err;
+}
+
+static void xfrmi6_fini(void)
+{
+#if IS_REACHABLE(CONFIG_INET6_XFRM_TUNNEL)
+	xfrm6_tunnel_deregister(&xfrmi_ip6ip_handler, AF_INET);
+	xfrm6_tunnel_deregister(&xfrmi_ipv6_handler, AF_INET6);
+#endif
+	xfrm6_protocol_deregister(&xfrmi_ipcomp6_protocol, IPPROTO_COMP);
+	xfrm6_protocol_deregister(&xfrmi_ah6_protocol, IPPROTO_AH);
+	xfrm6_protocol_deregister(&xfrmi_esp6_protocol, IPPROTO_ESP);
+}
+
+static const struct xfrm_if_cb xfrm_if_cb = {
+	.decode_session =	xfrmi_decode_session,
+};
+
+static int __init xfrmi_init(void)
+{
+	const char *msg;
+	int err;
+
+	pr_info("IPsec XFRM device driver\n");
+
+	msg = "tunnel device";
+	err = register_pernet_device(&xfrmi_net_ops);
+	if (err < 0)
+		goto pernet_dev_failed;
+
+	msg = "xfrm4 protocols";
+	err = xfrmi4_init();
+	if (err < 0)
+		goto xfrmi4_failed;
+
+	msg = "xfrm6 protocols";
+	err = xfrmi6_init();
+	if (err < 0)
+		goto xfrmi6_failed;
+
+
+	msg = "netlink interface";
+	err = rtnl_link_register(&xfrmi_link_ops);
+	if (err < 0)
+		goto rtnl_link_failed;
+
+	xfrm_if_register_cb(&xfrm_if_cb);
+
+	return err;
+
+rtnl_link_failed:
+	xfrmi6_fini();
+xfrmi6_failed:
+	xfrmi4_fini();
+xfrmi4_failed:
+	unregister_pernet_device(&xfrmi_net_ops);
+pernet_dev_failed:
+	pr_err("xfrmi init: failed to register %s\n", msg);
+	return err;
+}
+
+static void __exit xfrmi_fini(void)
+{
+	xfrm_if_unregister_cb();
+	rtnl_link_unregister(&xfrmi_link_ops);
+	xfrmi4_fini();
+	xfrmi6_fini();
+	unregister_pernet_device(&xfrmi_net_ops);
+}
+
+module_init(xfrmi_init);
+module_exit(xfrmi_fini);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_RTNL_LINK("xfrm");
+MODULE_ALIAS_NETDEV("xfrm0");
+MODULE_AUTHOR("Steffen Klassert");
+MODULE_DESCRIPTION("XFRM virtual interface");
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index d3b128b74a382..465d28341ed6d 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3277,6 +3277,13 @@ xfrm_policy_ok(const struct xfrm_tmpl *tmpl, const struct sec_path *sp, int star
 		if (xfrm_state_ok(tmpl, sp->xvec[idx], family, if_id))
 			return ++idx;
 		if (sp->xvec[idx]->props.mode != XFRM_MODE_TRANSPORT) {
+			if (idx < sp->verified_cnt) {
+				/* Secpath entry previously verified, consider optional and
+				 * continue searching
+				 */
+				continue;
+			}
+
 			if (start == -1)
 				start = -2-idx;
 			break;
@@ -3688,6 +3695,9 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
 		 * Order is _important_. Later we will implement
 		 * some barriers, but at the moment barriers
 		 * are implied between each two transformations.
+		 * Upon success, marks secpath entries as having been
+		 * verified to allow them to be skipped in future policy
+		 * checks (e.g. nested tunnels).
 		 */
 		for (i = xfrm_nr-1, k = 0; i >= 0; i--) {
 			k = xfrm_policy_ok(tpp[i], sp, k, family, if_id);
@@ -3706,6 +3716,8 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
 		}
 
 		xfrm_pols_put(pols, npols);
+		sp->verified_cnt = k;
+
 		return 1;
 	}
 	XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLBLOCK);
diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c
index a95fe3fff1db8..9b22219a76937 100644
--- a/sound/soc/codecs/nau8824.c
+++ b/sound/soc/codecs/nau8824.c
@@ -1896,6 +1896,30 @@ static const struct dmi_system_id nau8824_quirk_table[] = {
 		},
 		.driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH),
 	},
+	{
+		/* Positivo CW14Q01P */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Positivo Tecnologia SA"),
+			DMI_MATCH(DMI_BOARD_NAME, "CW14Q01P"),
+		},
+		.driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH),
+	},
+	{
+		/* Positivo K1424G */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Positivo Tecnologia SA"),
+			DMI_MATCH(DMI_BOARD_NAME, "K1424G"),
+		},
+		.driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH),
+	},
+	{
+		/* Positivo N14ZP74G */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Positivo Tecnologia SA"),
+			DMI_MATCH(DMI_BOARD_NAME, "N14ZP74G"),
+		},
+		.driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH),
+	},
 	{}
 };
 
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index d916ec69c24ff..ac97e8b7978c7 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -410,6 +410,7 @@ static int simple_for_each_link(struct asoc_simple_priv *priv,
 
 			if (ret < 0) {
 				of_node_put(codec);
+				of_node_put(plat);
 				of_node_put(np);
 				goto error;
 			}
diff --git a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
index c2aa6f26738b4..bf82b923c5fe5 100644
--- a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
+++ b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
@@ -1,13 +1,14 @@
 {
 	"bounds checks mixing signed and unsigned, positive bounds",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, 2),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
@@ -17,20 +18,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
@@ -40,20 +42,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 2",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
@@ -65,20 +68,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 3",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
@@ -89,20 +93,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 4",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, 1),
 	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
@@ -112,19 +117,20 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.result = ACCEPT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 5",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
@@ -135,17 +141,20 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 6",
 	.insns = {
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_1),
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
 	BPF_MOV64_IMM(BPF_REG_2, 0),
 	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_6, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
@@ -163,13 +172,14 @@
 {
 	"bounds checks mixing signed and unsigned, variant 7",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
@@ -179,19 +189,20 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.result = ACCEPT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 8",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -203,20 +214,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 9",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -228,19 +240,20 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.result = ACCEPT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 10",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, 0),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -252,20 +265,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 11",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -278,20 +292,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 12",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -6),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -303,20 +318,21 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 13",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, 2),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -331,7 +347,7 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
@@ -340,13 +356,14 @@
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
 		    offsetof(struct __sk_buff, mark)),
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -1),
 	BPF_MOV64_IMM(BPF_REG_8, 2),
@@ -360,20 +377,21 @@
 	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
 	BPF_JMP_IMM(BPF_JA, 0, 0, -7),
 	},
-	.fixup_map_hash_8b = { 4 },
+	.fixup_map_hash_8b = { 6 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
 {
 	"bounds checks mixing signed and unsigned, variant 15",
 	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
 	BPF_LD_MAP_FD(BPF_REG_1, 0),
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
-	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
-	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
 	BPF_MOV64_IMM(BPF_REG_2, -6),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -387,7 +405,7 @@
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
-	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_8b = { 5 },
 	.errstr = "unbounded min value",
 	.result = REJECT,
 },
diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
index 4a11ea2261cbe..e13b0fb63333f 100755
--- a/tools/testing/selftests/net/fcnal-test.sh
+++ b/tools/testing/selftests/net/fcnal-test.sh
@@ -81,6 +81,13 @@ NSC_CMD="ip netns exec ${NSC}"
 
 which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
 
+# Check if FIPS mode is enabled
+if [ -f /proc/sys/crypto/fips_enabled ]; then
+	fips_enabled=`cat /proc/sys/crypto/fips_enabled`
+else
+	fips_enabled=0
+fi
+
 ################################################################################
 # utilities
 
@@ -1139,7 +1146,7 @@ ipv4_tcp_novrf()
 	run_cmd nettest -d ${NSA_DEV} -r ${a}
 	log_test_addr ${a} $? 1 "No server, device client, local conn"
 
-	ipv4_tcp_md5_novrf
+	[ "$fips_enabled" = "1" ] || ipv4_tcp_md5_novrf
 }
 
 ipv4_tcp_vrf()
@@ -1193,9 +1200,11 @@ ipv4_tcp_vrf()
 	log_test_addr ${a} $? 1 "Global server, local connection"
 
 	# run MD5 tests
-	setup_vrf_dup
-	ipv4_tcp_md5
-	cleanup_vrf_dup
+	if [ "$fips_enabled" = "0" ]; then
+		setup_vrf_dup
+		ipv4_tcp_md5
+		cleanup_vrf_dup
+	fi
 
 	#
 	# enable VRF global server
@@ -2611,7 +2620,7 @@ ipv6_tcp_novrf()
 		log_test_addr ${a} $? 1 "No server, device client, local conn"
 	done
 
-	ipv6_tcp_md5_novrf
+	[ "$fips_enabled" = "1" ] || ipv6_tcp_md5_novrf
 }
 
 ipv6_tcp_vrf()
@@ -2681,9 +2690,11 @@ ipv6_tcp_vrf()
 	log_test_addr ${a} $? 1 "Global server, local connection"
 
 	# run MD5 tests
-	setup_vrf_dup
-	ipv6_tcp_md5
-	cleanup_vrf_dup
+	if [ "$fips_enabled" = "0" ]; then
+		setup_vrf_dup
+		ipv6_tcp_md5
+		cleanup_vrf_dup
+	fi
 
 	#
 	# enable VRF global server
diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config
index 741a1c4f4ae8f..1a4c11a444d95 100644
--- a/tools/testing/selftests/net/mptcp/config
+++ b/tools/testing/selftests/net/mptcp/config
@@ -1,3 +1,4 @@
+CONFIG_KALLSYMS=y
 CONFIG_MPTCP=y
 CONFIG_IPV6=y
 CONFIG_MPTCP_IPV6=y
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 94b15bb28e110..d205828d75753 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -130,6 +130,22 @@ do_ping()
 	fi
 }
 
+# $1: ns ; $2: counter
+get_counter()
+{
+	local ns="${1}"
+	local counter="${2}"
+	local count
+
+	count=$(ip netns exec ${ns} nstat -asz "${counter}" | awk 'NR==1 {next} {print $2}')
+	if [ -z "${count}" ]; then
+		mptcp_lib_fail_if_expected_feature "${counter} counter"
+		return 1
+	fi
+
+	echo "${count}"
+}
+
 do_transfer()
 {
 	listener_ns="$1"
@@ -291,9 +307,10 @@ chk_join_nr()
 	local dump_stats
 
 	printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn"
-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$syn_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPJoinSynRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$syn_nr" ]; then
 		echo "[fail] got $count JOIN[s] syn expected $syn_nr"
 		ret=1
 		dump_stats=1
@@ -302,9 +319,10 @@ chk_join_nr()
 	fi
 
 	echo -n " - synack"
-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$syn_ack_nr" ]; then
+	count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$syn_ack_nr" ]; then
 		echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
 		ret=1
 		dump_stats=1
@@ -313,9 +331,10 @@ chk_join_nr()
 	fi
 
 	echo -n " - ack"
-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$ack_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPJoinAckRx")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$ack_nr" ]; then
 		echo "[fail] got $count JOIN[s] ack expected $ack_nr"
 		ret=1
 		dump_stats=1
@@ -338,9 +357,10 @@ chk_add_nr()
 	local dump_stats
 
 	printf "%-39s %s" " " "add"
-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtAddAddr | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$add_nr" ]; then
+	count=$(get_counter ${ns2} "MPTcpExtAddAddr")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$add_nr" ]; then
 		echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
 		ret=1
 		dump_stats=1
@@ -349,9 +369,10 @@ chk_add_nr()
 	fi
 
 	echo -n " - echo  "
-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$echo_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtEchoAdd")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$echo_nr" ]; then
 		echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
 		ret=1
 		dump_stats=1
@@ -375,9 +396,10 @@ chk_rm_nr()
 	local dump_stats
 
 	printf "%-39s %s" " " "rm "
-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$rm_addr_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtRmAddr")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$rm_addr_nr" ]; then
 		echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
 		ret=1
 		dump_stats=1
@@ -386,9 +408,10 @@ chk_rm_nr()
 	fi
 
 	echo -n " - sf    "
-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}'`
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$rm_subflow_nr" ]; then
+	count=$(get_counter ${ns2} "MPTcpExtRmSubflow")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$rm_subflow_nr" ]; then
 		echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
 		ret=1
 		dump_stats=1
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index 3286536b79d55..f32045b23b893 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -38,3 +38,67 @@ mptcp_lib_check_mptcp() {
 		exit ${KSFT_SKIP}
 	fi
 }
+
+mptcp_lib_check_kallsyms() {
+	if ! mptcp_lib_has_file "/proc/kallsyms"; then
+		echo "SKIP: CONFIG_KALLSYMS is missing"
+		exit ${KSFT_SKIP}
+	fi
+}
+
+# Internal: use mptcp_lib_kallsyms_has() instead
+__mptcp_lib_kallsyms_has() {
+	local sym="${1}"
+
+	mptcp_lib_check_kallsyms
+
+	grep -q " ${sym}" /proc/kallsyms
+}
+
+# $1: part of a symbol to look at, add '$' at the end for full name
+mptcp_lib_kallsyms_has() {
+	local sym="${1}"
+
+	if __mptcp_lib_kallsyms_has "${sym}"; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "${sym} symbol not found"
+}
+
+# $1: part of a symbol to look at, add '$' at the end for full name
+mptcp_lib_kallsyms_doesnt_have() {
+	local sym="${1}"
+
+	if ! __mptcp_lib_kallsyms_has "${sym}"; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "${sym} symbol has been found"
+}
+
+# !!!AVOID USING THIS!!!
+# Features might not land in the expected version and features can be backported
+#
+# $1: kernel version, e.g. 6.3
+mptcp_lib_kversion_ge() {
+	local exp_maj="${1%.*}"
+	local exp_min="${1#*.}"
+	local v maj min
+
+	# If the kernel has backported features, set this env var to 1:
+	if [ "${SELFTESTS_MPTCP_LIB_NO_KVERSION_CHECK:-}" = "1" ]; then
+		return 0
+	fi
+
+	v=$(uname -r | cut -d'.' -f1,2)
+	maj=${v%.*}
+	min=${v#*.}
+
+	if   [ "${maj}" -gt "${exp_maj}" ] ||
+	   { [ "${maj}" -eq "${exp_maj}" ] && [ "${min}" -ge "${exp_min}" ]; }; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "kernel version ${1} lower than ${v}"
+}
diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index f7cdba0a97a90..fff6f74ebe160 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -73,8 +73,12 @@ check()
 }
 
 check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "defaults addr list"
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
+
+default_limits="$(ip netns exec $ns1 ./pm_nl_ctl limits)"
+if mptcp_lib_expect_all_features; then
+	check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
 subflows 0" "defaults limits"
+fi
 
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2 flags subflow dev lo
@@ -120,12 +124,10 @@ ip netns exec $ns1 ./pm_nl_ctl flush
 check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "flush addrs"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 9 1
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
-subflows 0" "rcv addrs above hard limit"
+check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "rcv addrs above hard limit"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 1 9
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
-subflows 0" "subflows above hard limit"
+check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "subflows above hard limit"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 8 8
 check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 8
diff --git a/tools/testing/selftests/net/vrf-xfrm-tests.sh b/tools/testing/selftests/net/vrf-xfrm-tests.sh
index 184da81f554ff..452638ae8aed8 100755
--- a/tools/testing/selftests/net/vrf-xfrm-tests.sh
+++ b/tools/testing/selftests/net/vrf-xfrm-tests.sh
@@ -264,60 +264,60 @@ setup_xfrm()
 	ip -netns host1 xfrm state add src ${HOST1_4} dst ${HOST2_4} \
 	    proto esp spi ${SPI_1} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_1} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_1} 96 \
+	    enc 'cbc(aes)' ${ENC_1} \
 	    sel src ${h1_4} dst ${h2_4} ${devarg}
 
 	ip -netns host2 xfrm state add src ${HOST1_4} dst ${HOST2_4} \
 	    proto esp spi ${SPI_1} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_1} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_1} 96 \
+	    enc 'cbc(aes)' ${ENC_1} \
 	    sel src ${h1_4} dst ${h2_4}
 
 
 	ip -netns host1 xfrm state add src ${HOST2_4} dst ${HOST1_4} \
 	    proto esp spi ${SPI_2} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_2} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_2} 96 \
+	    enc 'cbc(aes)' ${ENC_2} \
 	    sel src ${h2_4} dst ${h1_4} ${devarg}
 
 	ip -netns host2 xfrm state add src ${HOST2_4} dst ${HOST1_4} \
 	    proto esp spi ${SPI_2} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_2} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_2} 96 \
+	    enc 'cbc(aes)' ${ENC_2} \
 	    sel src ${h2_4} dst ${h1_4}
 
 
 	ip -6 -netns host1 xfrm state add src ${HOST1_6} dst ${HOST2_6} \
 	    proto esp spi ${SPI_1} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_1} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_1} 96 \
+	    enc 'cbc(aes)' ${ENC_1} \
 	    sel src ${h1_6} dst ${h2_6} ${devarg}
 
 	ip -6 -netns host2 xfrm state add src ${HOST1_6} dst ${HOST2_6} \
 	    proto esp spi ${SPI_1} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_1} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_1} 96 \
+	    enc 'cbc(aes)' ${ENC_1} \
 	    sel src ${h1_6} dst ${h2_6}
 
 
 	ip -6 -netns host1 xfrm state add src ${HOST2_6} dst ${HOST1_6} \
 	    proto esp spi ${SPI_2} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_2} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_2} 96 \
+	    enc 'cbc(aes)' ${ENC_2} \
 	    sel src ${h2_6} dst ${h1_6} ${devarg}
 
 	ip -6 -netns host2 xfrm state add src ${HOST2_6} dst ${HOST1_6} \
 	    proto esp spi ${SPI_2} reqid 0 mode tunnel \
 	    replay-window 4 replay-oseq 0x4 \
-	    auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
-	    enc 'cbc(des3_ede)' ${ENC_2} \
+	    auth-trunc 'hmac(sha1)' ${AUTH_2} 96 \
+	    enc 'cbc(aes)' ${ENC_2} \
 	    sel src ${h2_6} dst ${h1_6}
 }