netdev - Re: [PATCH] ip_tunnel:multicast process cause panic due to skb->_skb

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 Mar 2014 15:57:14 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	lucien.xin@...il.com
Cc:	netdev@...r.kernel.org, hannes@...essinduktion.org
Subject: Re: [PATCH] ip_tunnel:multicast process cause panic due to
 skb->_skb_refdst NULL pointer

From: Xin Long <lucien.xin@...il.com>
Date: Mon,  3 Mar 2014 20:18:36 +0800

> when ip_tunnel process multicast packets, it may check if the packet is looped
> back packet though 'rt_is_output_route(skb_rtable(skb))' in ip_tunnel_rcv(),
> but before that , skb->_skb_refdst has been dropped in iptunnel_pull_header(),
> so which leads to a panic.
> 
> fix the bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681
> 
> Signed-off-by: Xin Long <lucien.xin@...il.com>

Applied and queued up for -stable, thank you.
--
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