netdev - Re: [PATCHv3 net 1/3] openvswitch: Fix double-free on ip

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Date:	Tue, 27 Oct 2015 14:29:38 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Joe Stringer <joestringer@...ira.com>
Cc:	netdev <netdev@...r.kernel.org>, Florian Westphal <fw@...len.de>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Andy Zhou <azhou@...ira.com>
Subject: Re: [PATCHv3 net 1/3] openvswitch: Fix double-free on ip_defrag() errors

On Sun, Oct 25, 2015 at 8:21 PM, Joe Stringer <joestringer@...ira.com> wrote:
> If ip_defrag() returns an error other than -EINPROGRESS, then the skb is
> freed. When handle_fragments() passes this back up to
> do_execute_actions(), it will be freed again. Prevent this double free
> by never freeing the skb in do_execute_actions() for errors returned by
> ovs_ct_execute. Always free it in ovs_ct_execute() error paths instead.
>
> Fixes: 7f8a436eaa2c ("openvswitch: Add conntrack action")
> Reported-by: Florian Westphal <fw@...len.de>
> Signed-off-by: Joe Stringer <joestringer@...ira.com>

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