linux-kernel - Re: [patch v2] x86, efi: fix pointer math issue in handle

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 16 Mar 2012 15:20:04 +0000
From:	Matt Fleming <matt.fleming@...el.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Maarten Lankhorst <m.b.lankhorst@...il.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch v2] x86, efi: fix pointer math issue in
 handle_ramdisks()

On Mon, 2012-03-05 at 21:06 +0300, Dan Carpenter wrote:
> "filename" is a efi_char16_t string so this check for reaching the end
> of the array doesn't work.  We need to cast the pointer to (u8 *) before
> doing the math.
> 
> This patch changes the "filename" to "filename_16" to avoid confusion in
> the future.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---
> v2: Rename "filename" to "filename_16"
>     Also changed cast from (char *) to (u8 *) because it's not a C
>     character string.  Ingo suggested (void *) but that's a GCCism
>     I think.

Looks good to me. Is someone going to pick this up?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/