netdev - Re: Reported regression against commit a05d2ad

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:	Wed, 22 Jun 2011 11:32:46 -0600
From:	Tim Gardner <tim.gardner@...onical.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>,
	lamont@...onical.com, sconklin@...onical.com,
	netdev@...r.kernel.org
Subject: Re: Reported regression against commit a05d2ad

On 06/21/2011 02:49 PM, Eric W. Biederman wrote:
<snip>
> I respectfully suggest that the bug is elsewhere perhaps a broken user
> space application out there that needs to be fixed, or you have a kernel
> memory stomp that removing patch a05d2ad happens to shift the memory
> layout to be harmful in a different way.
>

OK, I'm remembering how PF_UNIX Unix domain sockets are used, so I think 
your theory about a misbehaving user space application is more likely. 
However, I am a bit confused about how an application can attempt to 
receive before the socket is fully opened. Some kind of race condition 
with socketpair() ?

rtg
-- 
Tim Gardner tim.gardner@...onical.com
--
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