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(parent: e1082f4) | patch
ipc: don't allocate a copy larger than max
authorPeter Hurley <peter@hurleysoftware.com>
Fri, 8 Mar 2013 20:43:27 +0000 (12:43 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Mar 2013 23:05:33 +0000 (15:05 -0800)
commit88b9e456b1649722673ffa147914299799dc9041
treecb2c12ee6fc4ad53e1a15c4e19f676b1d0058183tree | snapshot
parente1082f45f1e2bbf6e25f6b614fc6616ebf709d19commit | diff
ipc: don't allocate a copy larger than max

When MSG_COPY is set, a duplicate message must be allocated for the copy
before locking the queue.  However, the copy could not be larger than was
sent which is limited to msg_ctlmax.

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/msg.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)