linux-kernel - Re: [PATCH] Trusted and Encrypted Keys: fix up TSS_rawhmac() so wealways kfree() and remember to call va

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Date:	Sun, 16 Jan 2011 15:04:50 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
cc:	safford@...son.ibm.com, dhowells@...hat.com, safford@...ibm.com,
	jmorris@...ei.org, keyrings@...ux-nfs.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Trusted and Encrypted Keys: fix up TSS_rawhmac() so
 wealways kfree() and remember to call va_end()

On Fri, 14 Jan 2011, Tetsuo Handa wrote:

> Tetsuo Handa wrote:
> > Please wait. That patch is incorrect. I'm making patch now.
> I'm doing "git pull" now. Using 2.6.37-git11 instead.
> 
> James Morris wrote:
> > It's queued in my for-linus branch, waiting to see what happens with 
> > http://marc.info/?l=linux-security-module&m=129494927918805&w=3
> 
> I think above patch is incorrect because va_end() might be called without
> va_start(). C says va_start() without va_end() causes undefined behavior.
> I think va_end() without va_start() causes undefined behavior as well.
> 

I agree. Your patches are better. Thanks.

-- 
Jesper Juhl <jj@...osbits.net>            http://www.chaosbits.net/
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