1 files changed, 42 insertions, 0 deletions
diff --git a/dev-python/protobuf-python/files/protobuf-python-3.19.0-google.protobuf.pyext._message.PyUnknownFieldRef.patch b/dev-python/protobuf-python/files/protobuf-python-3.19.0-google.protobuf.pyext._message.PyUnknownFieldRef.patch
new file mode 100644
index 000000000000..a9e23feea148
--- /dev/null
+++ b/dev-python/protobuf-python/files/protobuf-python-3.19.0-google.protobuf.pyext._message.PyUnknownFieldRef.patch
@@ -0,0 +1,42 @@
+From 387c9e58987c54b72e66c14b34c98297086cd812 Mon Sep 17 00:00:00 2001
+From: Arfrever Frehtes Taifersar Arahesis <Arfrever@Apache.Org>
+Date: Fri, 28 Jan 2022 15:32:43 +0800
+Subject: [PATCH] protobuf-python-3.19.0:
+ google.protobuf.pyext._message.PyUnknownFieldRef
+
+Prevent integer overflow for unknown fields.
+
+https://github.com/protocolbuffers/protobuf/issues/6205
+https://github.com/protocolbuffers/protobuf/pull/7016
+https://github.com/protocolbuffers/protobuf/commit/5100be2b7746391c2724e2793e1428c36b63c98b
+
+Signed-off-by: Arfrever Frehtes Taifersar Arahesis <Arfrever@Apache.Org>
+Signed-off-by: Yixun Lan <dlan@gentoo.org>
+---
+ python/google/protobuf/pyext/unknown_fields.cc | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/python/google/protobuf/pyext/unknown_fields.cc b/python/google/protobuf/pyext/unknown_fields.cc
+index 6d919b3..37e6eae 100644
+--- a/python/google/protobuf/pyext/unknown_fields.cc
++++ b/python/google/protobuf/pyext/unknown_fields.cc
+@@ -275,13 +275,13 @@ static PyObject* GetData(PyUnknownFieldRef* self, void *closure) {
+   PyObject* data = NULL;
+   switch (field->type()) {
+     case UnknownField::TYPE_VARINT:
+-      data = PyLong_FromLong(field->varint());
++      data = PyLong_FromUnsignedLongLong(field->varint());
+       break;
+     case UnknownField::TYPE_FIXED32:
+-      data = PyLong_FromLong(field->fixed32());
++      data = PyLong_FromUnsignedLong(field->fixed32());
+       break;
+     case UnknownField::TYPE_FIXED64:
+-      data = PyLong_FromLong(field->fixed64());
++      data = PyLong_FromUnsignedLongLong(field->fixed64());
+       break;
+     case UnknownField::TYPE_LENGTH_DELIMITED:
+       data = PyBytes_FromStringAndSize(field->length_delimited().data(),
+-- 
+2.34.1
+