linux-kernel - Re: [PATCH] x86: apic: Fix parsing of lapic cmdline option

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Date:	Tue, 19 Feb 2013 13:04:43 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Mathias Krause <minipli@...glemail.com>
cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	PaX Team <pageexec@...email.hu>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: apic: Fix parsing of lapic cmdline option

On Tue, 19 Feb 2013, Mathias Krause wrote:

> Including " lapic " in the kernel cmdline on an x86-64 kernel makes it
> panic while parsing early params -- e.g. with no user visible output.
> 
> Fix this bug by ensuring arg is non-NULL before passing it to strncmp().
> 
> Signed-off-by: Mathias Krause <minipli@...glemail.com>
> Reported-by: PaX Team <pageexec@...email.hu>
> Cc: stable@...r.kernel.org	# v3.8

Acked-by: David Rientjes <rientjes@...gle.com>
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