netdev - Re: OOP in ip_cmsg

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]

Date:	Mon, 03 May 2010 23:17:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	shemminger@...tta.com, netdev@...r.kernel.org
Subject: Re: OOP in ip_cmsg_recv (net-next)

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 04 May 2010 06:43:45 +0200

> David, if I am not mistaken (not thea yet for me this early morning) the
> tracer you mention is included in kfree_skb(), not in __kfree_skb() :
 ...
> I only copied part of consume_skb() which doesnt call
> trace_kfree_skb() :
 ...
> So I believe my second patch is a bit better : We dont even lock the
> socket in the (rare) case we should not orphan the skb ;)

Right you are.

> [PATCH net-next-2.6] net: skb_free_datagram_locked() fix

I'll apply this, thanks!
--
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