linux-kernel - Re: [PATCH] perf: Fix ppc64 SEGV in dso__load

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Message-ID: <20110725143655.GA4177@mgebm.net>
Date:	Mon, 25 Jul 2011 10:36:55 -0400
From:	Eric B Munson <emunson@...bm.net>
To:	Anton Blanchard <anton@...ba.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: Fix ppc64 SEGV in dso__load_sym with debuginfo
 files

On Mon, 25 Jul 2011, Anton Blanchard wrote:

> 
> 64bit PowerPC debuginfo files have an empty function descriptor
> section. I hit a SEGV when perf tried to use this section for
> symbol resolution.
> 
> To fix this we need to check the section is valid and we can
> do this by checking for type SHT_PROGBITS.
> 
> Signed-off-by: Anton Blanchard <anton@...ba.org>
> Cc: <stable@...nel.org>

Acked-by: Eric B Munson <emunson@...bm.net>

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