linux-kernel - Re: [PATCH] Fix 'flush_old_exec()/setup_new

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Date:	Thu, 04 Feb 2010 08:29:34 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	stable@...nel.org, LKML <linux-kernel@...r.kernel.org>,
	stable-review@...nel.org
Subject: Re: [PATCH] Fix 'flush_old_exec()/setup_new_exec()' split

On Wed, 2010-02-03 at 21:39 -0800, Linus Torvalds wrote:
> 
> On Thu, 4 Feb 2010, Ben Hutchings wrote:
> > 
> > I'm using Debian i386 (i.e. 32-bit userland) with a 64-bit kernel.
> > After applying commit 221af7f to Debian's kernel source (approximately
> > equivalent to 2.6.32.7), the kernel fails to exec init.  After commit
> > 7ab02af it can exec init but that immediately segfaults:
> 
> It sounds like you have picked individual commits.

Yes - I'm one of the kernel package maintainers and we're sticking with
2.6.32-stable.

> But you don't mention commit 05d43ed8a, which is also a required part of 
> the series.
> 
> So you _should_ have a combination of
>  - 221af7f87 ("Split 'flush_old_exec' into two functions")
>  - 05d43ed8a ("x86: get rid of the insane TIF_ABI_PENDING bit")
>  - 7ab02af42 ("Fix 'flush_old_exec()/setup_new_exec()' split")
> 
> (and there are also additional sparc/ppc versions of that TIF_ABI_PENDING 
> bit removal, but they shouldn't matter on your system)

Thanks.  If all the necessary patches are all in the stable queue then
we can pick them from there.

Ben.

-- 
Ben Hutchings
friends: People who know you well, but like you anyway.

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