From: David Miller <davem@davemloft.net>
To: davej@redhat.com
Cc: netdev@vger.kernel.org
Subject: Re: ip_rt_bug questions.
Date: Mon, 18 Apr 2011 14:50:23 -0700 (PDT) [thread overview]
Message-ID: <20110418.145023.13728986.davem@davemloft.net> (raw)
In-Reply-To: <20110418.144909.52209035.davem@davemloft.net>
From: David Miller <davem@davemloft.net>
Date: Mon, 18 Apr 2011 14:49:09 -0700 (PDT)
> From: Dave Jones <davej@redhat.com>
> Date: Mon, 18 Apr 2011 17:48:10 -0400
>
>> I managed to trigger this today..
>>
>> ip_rt_bug: 0.0.0.0 -> 255.255.255.255, ?
>>
>> if this is useful in some way, maybe it should be enhanced
>> to print out something else, like a backtrace ?
>>
>> Also, should it be a printk_ratelimit() ? Or is there
>> ratelimiting done elsewhere in the routing code ?
>>
>> or should it just be silenced, leaving just the kfree_skb ?
>
> It's a very serious issue, it means we used an input route for
> packet output.
>
> Kernel version and what you were doing to trigger this?
BTW, if you could modify this thing to spit out a stack
trace (probably by using WARN_ON() or similar) that will
probably show us where the bug is coming from.
Thanks.
next prev parent reply other threads:[~2011-04-18 21:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-18 21:48 ip_rt_bug questions Dave Jones
2011-04-18 21:49 ` David Miller
2011-04-18 21:50 ` David Miller [this message]
2011-04-18 21:59 ` Dave Jones
2011-04-19 5:04 ` David Miller
2011-04-19 18:13 ` Dave Jones
2011-04-19 19:22 ` David Miller
2011-05-21 17:16 ` Dave Jones
2011-05-23 1:02 ` David Miller
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