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From: "Vegard Nossum" <vegard.nossum@gmail.com>
To: jay kumar <jaykumarks@gmail.com>
Cc: David Howells <dhowells@redhat.com>,
	linux-kernel@vger.kernel.org, linux-next@vger.kernel.org
Subject: Re: Bug: "bad unlock balance detected" 2.6.27-rc3-next-20080820
Date: Thu, 21 Aug 2008 10:19:49 +0200	[thread overview]
Message-ID: <19f34abd0808210119m70d95ea0t93d9887944a0c84b@mail.gmail.com> (raw)
In-Reply-To: <19f34abd0808210110s4dd2ec12r6d3044e45a21d67@mail.gmail.com>

On Thu, Aug 21, 2008 at 10:10 AM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
> On Thu, Aug 21, 2008 at 9:04 AM, jay kumar <jaykumarks@gmail.com> wrote:
>> While testing 2.6.27-rc3-next-20080820 ,  i observed this    "BUG:bad
>> unlock balance detected" during boot time
>>
> Thanks for the report. The error comes from
>
> commit d9a939fb80ef390b78b3c801f668bd1e35ebc970
> Author: David Howells <dhowells@redhat.com>
> Date:   Thu Aug 7 20:02:20 2008 +1000
>
>    CRED: Make execve() take advantage of copy-on-write credentials
>
> (Added to Cc. I guess it's also nice to Cc linux-next on errors in -next code.)
>
> I couldn't reproduce your original failure, but I've attempted to fix
> it by reordering the mutex unlock and bprm free and removing the
> extraneous unlock (see attached patch; it boots for me without
> errors).

Actually, I was able to reproduce the original issue after all. And
the patch fixed it for me. Please review :-)


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036

  reply	other threads:[~2008-08-21  8:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <6f31812b0808210004i63b3273ehf65ce9eb139256f0@mail.gmail.com>
2008-08-21  8:10 ` Bug: "bad unlock balance detected" 2.6.27-rc3-next-20080820 Vegard Nossum
2008-08-21  8:19   ` Vegard Nossum [this message]
2008-08-21 18:54   ` Kamalesh Babulal
2008-08-22 13:04 ` David Howells
2008-08-22 13:56   ` Vegard Nossum

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