linux-kernel - Re: BUG: unable to handle kernel NULL pointer dereference in ipv6_select

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Message-ID: <1324490401.2301.46.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
Date:	Wed, 21 Dec 2011 19:00:01 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Chris Boot <bootc@...tc.net>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in
 ipv6_select_ident

Le mercredi 21 décembre 2011 à 18:36 +0100, Eric Dumazet a écrit :

> Good point, thats a different problem then, since 3.1 is not supposed to
> have this bug.
> 
> It seems rt->rt6i_peer points to invalid memory in your crash.
> 
> (RBX=00000000000001f4)
> 
> 8b 83 a4 00 00 00       mov    0xa4(%rbx),%eax    p->refcnt
> 1f4+a4 -> CR2=0000000000000298
> 

It would help if you can confirm latest linux tree can reproduce the
bug.

Thanks !


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