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Date:	Tue, 02 Feb 2010 07:32:39 -0800 (PST)
From:	David Miller <>
Subject: Re: [PATCH] igmp: fix ip_mc_sf_allow race [v5]

From: Flavio Leitner <>
Date: Thu, 28 Jan 2010 14:13:38 -0200

> Hello,
> This is another version considering the suggestions. Thanks!
> I didn't convert to list_head yet because a lot more code needs
> to be changed so I'd rather leave that to another patch.
> 8<---------
> Almost all igmp functions accessing inet->mc_list are protected by
> rtnl_lock(), but there is one exception which is ip_mc_sf_allow(),
> so there is a chance of either ip_mc_drop_socket or ip_mc_leave_group
> remove an entry while ip_mc_sf_allow is running causing a crash.
> Signed-off-by: Flavio Leitner <>

Applied to net-next-2.6, thanks.
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