netdev - Re: locking issue in vhost_net_set

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, 16 Mar 2010 15:01:51 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: locking issue in vhost_net_set_backend

On 03/16/2010 02:58 PM, Jiri Slaby wrote:
> I don't see how the lock is unlocked on the error paths and as it is not
> on none of the them maybe I'm missing something?

And there is one more issue in vhost_set_vring, several returns from 
VHOST_SET_VRING_KICK, VHOST_SET_VRING_CALL, VHOST_SET_VRING_ERR with the 
vq->mutex held.

-- 
js
--
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