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diff -Naru a/fs/eventpoll.c b/fs/eventpoll.c
--- a/fs/eventpoll.c 2005-04-29 17:08:35 -07:00
+++ b/fs/eventpoll.c 2005-04-29 17:08:35 -07:00
@@ -619,6 +619,7 @@
return error;
}
+#define MAX_EVENTS (INT_MAX / sizeof(struct epoll_event))
/*
* Implement the event wait interface for the eventpoll file. It is the kernel
@@ -635,7 +636,7 @@
current, epfd, events, maxevents, timeout));
/* The maximum number of event must be greater than zero */
- if (maxevents <= 0)
+ if (maxevents <= 0 || maxevents > MAX_EVENTS)
return -EINVAL;
/* Verify that the area passed by the user is writeable */
# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
# 2005/03/08 08:18:50-08:00 torvalds@ppc970.osdl.org
# epoll: return proper error on overflow condition
#
# Noted by Georgi Guninski.
#
# fs/eventpoll.c
# 2005/03/08 08:18:40-08:00 torvalds@ppc970.osdl.org +2 -1
# epoll: return proper error on overflow condition
#
# Noted by Georgi Guninski.
#
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