linux-kernel - Re: commit 94fc5d9: chromium-sandbox core dumped

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Message-ID: <CA+i8gKJrnFBP5QKji_-YbKFxE0+SGjGr20=duUBBvdxUz9egZA@mail.gmail.com>
Date:	Tue, 20 Aug 2013 09:29:18 +0200
From:	Emmanuel Benisty <benisty.e@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Richard Genoud <richard.genoud@...il.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: commit 94fc5d9: chromium-sandbox core dumped

Hi Linus,

On Tue, Aug 20, 2013 at 1:26 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Mon, Aug 19, 2013 at 1:25 PM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
>>
>> I suspect that last "return 0" at the end should be "return 1". Does
>> that fix things for you? Untested.
>
> Ok. Confirmed. I reproduced the bug that Richard Genoud fixed, and
> also verified that yes, changing that last "return 0" in
> proc_readdir_de() to "return 1" fixes the bug that Emmanuel reported.
> Although I just did it with a special test-program using different
> getdents buffer sizes, so I didn't verify the particular Chromium
> breakage, but that does look like it's the same issue.

Just to confirm it does fix the chromium issue as well.

Thanks.
-- Emmanuel
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