linux-kernel - Re: [patch 3/3] acpi: check for pxm_to_node

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]

Message-ID: <20090102092330.GB1975@elte.hu>
Date:	Fri, 2 Jan 2009 10:23:30 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	hpa@...or.com, linux-kernel@...r.kernel.org, tglx@...utronix.de,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: [patch 3/3] acpi: check for pxm_to_node_map overflow


* Cyrill Gorcunov <gorcunov@...il.com> wrote:

> It is hardly (if ever) possible but in case of broken _PXM
> entry we could reach out of pxm_to_node_map array
> bounds in acpi_map_pxm_to_node() call. Lets check it
> (it's not that expensive and safe).
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
> CC: Len Brown <lenb@...nel.org>
> ---
>  drivers/acpi/numa.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

just curious - how did you find this - code review or some tool help like 
Sparse output or a compiler warning?

	Ingo
--
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/