linux-kernel - Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.

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, 1 Dec 2006 23:55:41 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Jesper Juhl <jesper.juhl@...il.com>
Cc:	linux-kernel@...r.kernel.org, Martin Mares <mj@....cz>
Subject: Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't
 risk dereferencing a NULL pdev.

On Sat, 2 Dec 2006 00:21:56 +0100
Jesper Juhl <jesper.juhl@...il.com> wrote:

> pci_get_slot() may return NULL if nothing was found. 
> quirk_nvidia_ck804() does not check the value returned from pci_get_slot(),
> so it may end up causing a NULL pointer deref.
> 
> 
> Signed-off-by: Jesper Juhl <jesper.juhl@...il.com>

I don't think its a physically possible case but it does no harm and
it'll kill boot if it happens

Acked-by: Alan Cox <alan@...hat.com>
-
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/