netdev - Re: __pskb_pull_tail oops from 2.6.35

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:	Tue, 27 Sep 2011 16:08:04 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	davej@...hat.com
Cc:	netdev@...r.kernel.org
Subject: Re: __pskb_pull_tail oops from 2.6.35

From: Dave Jones <davej@...hat.com>
Date: Tue, 27 Sep 2011 16:03:28 -0400

> A user just reported this on a fairly old kernel (running the latest -longterm patch).
> I had a look through net/core/skbuff.c since 2.6.35, and didn't see anything obvious.
> Does this look familiar to anyone ? 

I would say that something far outside of __pskb_pull_tail() is corrupting the
SKB state.  He has a bunch of netfilter stuff loaded so the possibilities are
endless :-)

Any chance to figure out exactly what NULL dereference happens inside of
__pskb_pull_tail()?
--
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