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Date:	Fri, 02 Mar 2012 22:31:23 +0100
From:	Bart De Schuymer <>
To:	Pablo Neira Ayuso <>
CC:	santosh nayak <>,,,,,,,,,,
Subject: Re: [Bridge] [PATCH 2/3] netfilter: potential null derefence.

Op 1/03/2012 13:30, Pablo Neira Ayuso schreef:
> On Thu, Mar 01, 2012 at 02:47:14PM +0530, santosh nayak wrote:
>> From: Santosh Nayak<>
>> I am getting following error.
>> " net/bridge/netfilter/ebtables.c:269 ebt_do_table()
>>    error: potential null derefence 'cs'"
>>      i = cs[sp].n;  // If cs == Null then this will cause problem.
> Very sorry, I didn't see the out label.
> I'll apply this to my nf [1] once David takes my previous request for
> pulling.


Has this patch been tested? Really, that code in the core firewall 
function is there for a reason, wouldn't you think?
The chainstack is only allocated when user-defined chains are used (see 
Never blindly trust a tool.

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