linux-kernel - Re: [PATCH 1/3] trusted-keys: another free memory bugfix

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Date:	Mon, 17 Jan 2011 09:33:30 +0000
From:	David Howells <dhowells@...hat.com>
To:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:	dhowells@...hat.com, safford@...son.ibm.com, safford@...ibm.com,
	jj@...osbits.net, jmorris@...ei.org, keyrings@...ux-nfs.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] trusted-keys: another free memory bugfix

Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp> wrote:

> From 94e965700f1e401408836d4aa782105483196842 Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
> Date: Mon, 17 Jan 2011 09:22:47 +0900
> Subject: [PATCH 1/3] trusted-keys: another free memory bugfix
> 
> TSS_rawhmac() forgot to call va_end()/kfree() when data == NULL and
> forgot to call va_end() when crypto_shash_update() < 0.
> Fix these bugs by escaping from the loop using "break"
> (rather than "return"/"goto") in order to make sure that
> va_end()/kfree() are always called.
> 
> Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>

Acked-by: David Howells <dhowells@...hat.com>
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