netdev - Re: bpf_jit_compile issues on x86

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Message-ID: <1326871835.2606.40.camel@edumazet-laptop>
Date:	Wed, 18 Jan 2012 08:30:35 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Phil Oester <kernel@...uxace.com>
Cc:	netdev@...r.kernel.org
Subject: Re: bpf_jit_compile issues on x86_64

Le mercredi 18 janvier 2012 à 07:17 +0100, Eric Dumazet a écrit :
> Le mardi 17 janvier 2012 à 18:27 -0800, Phil Oester a écrit :
> > On a 3.1.8 kernel, I've had a few snort boxes panic when using the new bpf_jit
> > code.  Setting bpf_jit_enable back to 0 solves the problem.  Below is the
> > warning, followed by the panic.  I've checked the current Linus tree, but
> > other than a03ffcf8 (which exists in 3.1.8) I don't see anything new in this
> > area.  Any ideas?  Eric?
> > 
> 
> Hi Phil, thanks for the report !
> 
> Any chance you could send me the bpf filter that was loaded at this
> time ?
> 

Hmm, I found the bug, I'll send a cumulative patch in following hours.

Thanks again


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