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(parent: 350d223) | patch
ipc: fix potential oops when src msg > 4k w/ MSG_COPY
authorPeter Hurley <peter@hurleysoftware.com>
Fri, 8 Mar 2013 20:43:26 +0000 (12:43 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Mar 2013 23:05:33 +0000 (15:05 -0800)
commitabce62ddac4ed7cc6df6f8abe10de9e3b863866e
treef9d3e4326eed088acfe4cd1e9a8caf9c2138da55tree | snapshot
parent350d223b44a714348b2838f506d5efd8627f4121commit | diff
ipc: fix potential oops when src msg > 4k w/ MSG_COPY

If the src msg is > 4k, then dest->next points to the
next allocated segment; resetting it just prior to dereferencing
is bad.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ipc/msgutil.c diff | blob | history
Linux Kernel Source Tree.