On 04/02/2013 01:52 PM, Linus Torvalds wrote:
> On Tue, Apr 2, 2013 at 9:08 AM, Sasha Levin <[email protected]> wrote:
>>
>> By just playing with the 'msgsz' parameter with MSG_COPY set.
>
> Hmm. Looking closer, I suspect you're testing without commit
> 88b9e456b164 ("ipc: don't allocate a copy larger than max"). That
> should limit the size passed in to prepare_copy -> load_copy to
> msg_ctlmax.
That commit has a revert in the -next trees, do we need a revert
of the revert?
commit ff6577a3e714ccae02d4400e989762c19c37b0b3
Author: Andrew Morton <[email protected]>
Date: Wed Mar 27 10:24:02 2013 +1100
revert "ipc: don't allocate a copy larger than max"
Revert 88b9e456b164. Dave has confirmed that this was causing
oopses
during trinity testing.
Cc: Peter Hurley <[email protected]>
Cc: Stanislav Kinsbursky <[email protected]>
Reported-by: Dave Jones <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Thanks,
Sasha
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