linux-kernel - Re: [BUG] A panic caused by null pointer dereference aftering updating to

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Message-Id: <20140414.144843.488522666550066271.davem@davemloft.net>
Date:	Mon, 14 Apr 2014 14:48:43 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	nasa4836@...il.com, jchapman@...alix.com, edumazet@...gle.com,
	joe@...ches.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [BUG] A panic caused by null pointer dereference aftering
 updating to

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 14 Apr 2014 11:19:26 -0700

> ip_local_out() doesn't use skb->sk

It does Eric.

We had just such a report with this in the backtrace, when AF_PACKET
sends over vxlan devices.

The problem is ip_mc_output().
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