netdev - Re: [Bug 42809] New: kernel panic when receiving an ipsec packet

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120223084853.2110605c@thirdoffive.cmf.nrl.navy.mil>
Date:	Thu, 23 Feb 2012 08:48:53 -0500
From:	chas williams - CONTRACTOR <chas@....nrl.navy.mil>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Niccolò Belli <darkbasic@...uxsystems.it>,
	Stephen Hemminger <shemminger@...tta.com>,
	Linux Networking Developer Mailing List 
	<netdev@...r.kernel.org>, openadsl-users@...ts.sourceforge.net,
	openadsl-devel@...ts.sourceforge.net, support@...verse.com.au,
	support@...ksolidelectronics.com, 660804@...s.debian.org
Subject: Re: [Bug 42809] New: kernel panic when receiving an ipsec packet

On Thu, 23 Feb 2012 02:54:39 +0100
Eric Dumazet <eric.dumazet@...il.com> wrote:

> Le jeudi 23 février 2012 à 02:38 +0100, Eric Dumazet a écrit :
> 
> > Which driver handles this Traverse Solos card ?
> 
> If br2684_push() is used, it seems it lacks proper call to
> skb_reset_mac_header(skb) in paths where eth_type_trans() is not called.
> 
> Later in xfrm4_mode_tunnel_input() we crash because we assume
> skb_mac_header() is valid.

when br2684_push() doesnt call eth_type_trans() the underlying packet
doesnt have a mac address header -- just an llc header that says 'ip
packet is next'.
--
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