linux-kernel - Re: [PATCH] dmi: sanity check BIOS tables

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Message-ID: <4A2B80F9.9070103@gmail.com>
Date:	Sun, 07 Jun 2009 10:57:29 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux-kernel@...r.kernel.org, jeffrey.mitchell@...il.com
Subject: Re: [PATCH] dmi: sanity check BIOS tables

On 06/07/2009 01:01 AM, Alan Cox wrote:
> @@ -260,6 +276,11 @@ static void __init dmi_save_ipmi_device(const struct dmi_header *dm)
>  	struct dmi_device *dev;
>  	void * data;
>  
> +	if (((u8 *)dm) + dm->length > dmi_end) {

I think this should be >= too.

> +		printk(KERN_ERR "dmi_save_ipmi_device: table overrun.\n");
> +		return;
> +	}
> +
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