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List:       linux-kernel
Subject:    Re: [PATCH 00/10] ipc MSG_COPY fixes
From:       Andrew Morton <akpm () linux-foundation ! org>
Date:       2013-02-28 23:46:20
Message-ID: 20130228154620.a6d87ad8.akpm () linux-foundation ! org
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On Mon, 25 Feb 2013 21:21:37 -0500
Peter Hurley <peter@hurleysoftware.com> wrote:

> Over the weekend testing with trinity on KVM, I hit a similar oops
> (pasted below) to what others have already reported here
>      http://lkml.indiana.edu/hypermail/linux/kernel/1302.2/01465.html
> 
> While trying to uncover the underlying cause of the list corruption,
> I uncovered two other bugs which are addressed in
>   ipc: Fix potential oops when src msg > 4k w/ MSG_COPY
>   ipc: Don't allocate a copy larger than max
> 
> The other cleanup was incidental to trying to uncover the oops (so far
> unsuccessfully).

afacit, only the above two are needed in 3.9 and 3.8.x, agree?

The changelog for "ipc: Don't allocate a copy larger than max" is
rather poor - it doesn't actually describe the bug's effects, so people
will have trouble understanding whether they need the patch in their
kernels.  Can you please send along some additional description of this
one?


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