linux-kernel - Re: bug in arm_kprobe_decode

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Message-ID: <alpine.LFD.2.00.1102202239570.14920@xanadu.home>
Date:	Sun, 20 Feb 2011 22:41:22 -0500 (EST)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
cc:	linux-arm-kernel@...ts.infradead.org,
	Quentin Barnes <qbarnes@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: bug in arm_kprobe_decode_insn

On Sun, 20 Feb 2011, Marcin Slusarz wrote:

> Hi
> 
> In arch/arm/kernel/kprobes-decode.c there's a function arm_kprobe_decode_insn
> which does:
> 
> } else if ((insn & 0x0e000000) == 0x0c400000) {
> ...
> 
> This is always false, so code below is dead.

Good catch, thanks.


Nicolas
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