netdev - Re: SFQ qdisc crashes with limit of 2 packets

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Message-ID: <46F00B80.7050901@trash.net>
Date:	Tue, 18 Sep 2007 19:31:44 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Chuck Ebbert <cebbert@...hat.com>
CC:	Netdev <netdev@...r.kernel.org>
Subject: Re: SFQ qdisc crashes with limit of 2 packets

Chuck Ebbert wrote:
> Limit of 1 is forbidden, crashes with 2, works with 3:
> 
>>>From disassembling sch_sfq.ko it seems that it is on line 360 of sch_sfq.c:
>     sch->qstats.backlog -= skb->len;
> where "skb" is an invalid pointer:

Is it a NULL pointer or something random?
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