netdev - Re: [PATCH net-next] net loopback: Set loopback

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]

Message-ID: <1379379051.4751.0.camel@edumazet-glaptop>
Date:	Mon, 16 Sep 2013 17:50:51 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Alexander Duyck <alexander.h.duyck@...el.com>,
	Cong Wang <amwang@...hat.com>, netdev@...r.kernel.org,
	Francesco Ruggeri <fruggeri@...stanetworks.com>
Subject: Re: [PATCH net-next] net loopback: Set loopback_dev to NULL when
 freed

On Mon, 2013-09-16 at 16:52 -0700, Eric W. Biederman wrote:
> It has recently turned up that we have a number of long standing bugs
> in the network stack cleanup code with use of the loopback device
> after it has been freed that have not turned up because in most cases
> the storage allocated to the loopback device is not reused, when those
> accesses happen.
> 
> Set looback_dev to NULL to trigger oopses instead of silent data corrupt
> when we hit this class of bug.
> 
> Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.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