netdev - Re: [PATCH net-next 2/2] ipv6: compare sernum when walking fib for /proc/net/ipv6

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] [day] [month] [year] [list]

Date:	Fri, 27 Sep 2013 17:33:13 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org, greearb@...delatech.com, kaber@...sh.net,
	yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH net-next 2/2] ipv6: compare sernum when walking fib for
 /proc/net/ipv6_route as safety net

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Sat, 21 Sep 2013 16:56:10 +0200

> This patch provides an additional safety net against NULL
> pointer dereferences while walking the fib trie for the new
> /proc/net/ipv6_route walkers. I never needed it myself and am unsure
> if it is needed at all, but the same checks where introduced in
> 2bec5a369ee79576a3eea2c23863325089785a2c ("ipv6: fib: fix crash when
> changing large fib while dumping it") to fix NULL pointer bugs.
> 
> This patch is separated from the first patch to make it easier to revert
> if we are sure we can drop this logic.
> 
> Cc: Ben Greear <greearb@...delatech.com>
> Cc: Patrick McHardy <kaber@...sh.net>
> Cc: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html