netdev - Re: [PATCH net] openvswitch: Fix IPv6 exthdr handling with ct helpers.

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Message-ID: <CALnjE+oQJ03J7jwKxUyvJLqfHVOD7EQHAauBO8HbVFMte=8Spw@mail.gmail.com>
Date:	Mon, 14 Sep 2015 16:53:56 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Joe Stringer <joestringer@...ira.com>
Cc:	netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, dan.carpenter@...cle.com
Subject: Re: [PATCH net] openvswitch: Fix IPv6 exthdr handling with ct helpers.

On Mon, Sep 14, 2015 at 11:14 AM, Joe Stringer <joestringer@...ira.com> wrote:
> Static code analysis reveals the following bug:
>
>         net/openvswitch/conntrack.c:281 ovs_ct_helper()
>         warn: unsigned 'protoff' is never less than zero.
>
> This signedness bug breaks error handling for IPv6 extension headers when
> using conntrack helpers. Fix the error by using a local signed variable.
>
> Fixes:  cae3a2627520: "openvswitch: Allow attaching helpers to ct
> action"
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Joe Stringer <joestringer@...ira.com>

Acked-by: Pravin B Shelar <pshelar@...ira.com>
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