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From: Bart De Schuymer <bdschuym@pandora.be>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: santosh nayak <santoshprasadnayak@gmail.com>,
	coreteam@netfilter.org, netdev@vger.kernel.org,
	bridge@lists.linux-foundation.org,
	kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
	netfilter@vger.kernel.org, bart.de.schuymer@pandora.be,
	netfilter-devel@vger.kernel.org, shemminger@vyatta.com,
	davem@davemloft.net
Subject: Re: [PATCH 2/3] netfilter: potential null derefence.
Date: Fri, 02 Mar 2012 22:31:23 +0100	[thread overview]
Message-ID: <4F513C2B.6030604@pandora.be> (raw)
In-Reply-To: <20120301123004.GA7250@1984>

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<santoshprasadnayak@gmail.com>
>>
>> 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.
>

Hi,

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 
translate_table).
Never blindly trust a tool.

Bart

  reply	other threads:[~2012-03-02 21:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-01  9:17 [PATCH 2/3] netfilter: potential null derefence santosh nayak
2012-03-01 10:21 ` Pablo Neira Ayuso
2012-03-01 10:23   ` santosh prasad nayak
2012-03-01 12:30 ` Pablo Neira Ayuso
2012-03-02 21:31   ` Bart De Schuymer [this message]
2012-03-03  9:04     ` [Bridge] " santosh prasad nayak
2012-03-03  9:11     ` Pablo Neira Ayuso
2012-03-02  1:22 ` Pablo Neira Ayuso

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