netdev - Re: [PATCH] ipv6: Fix NULL pointer dereference with time-wait sockets

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]

Message-Id: <20090411.014510.196493199.davem@davemloft.net>
Date:	Sat, 11 Apr 2009 01:45:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6: Fix NULL pointer dereference with time-wait
 sockets

From: Vlad Yasevich <vladislav.yasevich@...com>
Date: Thu,  9 Apr 2009 23:37:33 -0400

> Commit b2f5e7cd3dee2ed721bf0675e1a1ddebb849aee6
> (ipv6: Fix conflict resolutions during ipv6 binding)
> introduced a regression where time-wait sockets were
> not treated correctly.  This resulted in the following:
> 
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000062
> IP: [<ffffffff805d7d61>] ipv4_rcv_saddr_equal+0x61/0x70
> ...
> Call Trace:
> [<ffffffffa033847b>] ipv6_rcv_saddr_equal+0x1bb/0x250 [ipv6]
> [<ffffffffa03505a8>] inet6_csk_bind_conflict+0x88/0xd0 [ipv6]
> [<ffffffff805bb18e>] inet_csk_get_port+0x1ee/0x400
> [<ffffffffa0319b7f>] inet6_bind+0x1cf/0x3a0 [ipv6]
> [<ffffffff8056d17c>] ? sockfd_lookup_light+0x3c/0xd0
> [<ffffffff8056ed49>] sys_bind+0x89/0x100
> [<ffffffff80613ea2>] ? trace_hardirqs_on_thunk+0x3a/0x3c
> [<ffffffff8020bf9b>] system_call_fastpath+0x16/0x1b
> 
> Tested-by: Brian Haley <brian.haley@...com>
> Tested-by: Ed Tomlinson <edt@....ca>
> Signed-off-by: Vlad Yasevich <vladislav.yasevich@...com>

Applied, thanks Vlad.
--
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