linux-kernel - Re: [PATCH] x86: split e820 reserved entries record to late v4

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Message-Id: <20080904121627.bc182da7.akpm@linux-foundation.org>
Date:	Thu, 4 Sep 2008 12:16:27 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	yhlu.kernel@...il.com, tglx@...utronix.de, hpa@...or.com,
	jbarnes@...tuousgeek.org, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: split e820 reserved entries record to late v4 -
 fix v7

On Thu, 4 Sep 2008 21:04:57 +0200
Ingo Molnar <mingo@...e.hu> wrote:

> +		printk(KERN_DEBUG "    __reserve_region_with_split: (%s) [%llx, %llx], res: (%s) [%llx, %llx]\n",
> +			 conflict->name, conflict->start, conflict->end,
> +			 name, start, end);

start and end have type resource_size_t.  Such types CANNOT be printed
unless cast to a known type.

Because there is a %s following an incorrect %lld, the above code will
crash the machine.

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