netdev - Re: [PATCH net] Revert "netfilter: conntrack: fix race in __nf_conntrack_confirm against get_next

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Date:	Tue, 25 Nov 2014 15:00:52 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	pablo@...filter.org
Cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	brouer@...hat.com
Subject: Re: [PATCH net] Revert "netfilter: conntrack: fix race in
 __nf_conntrack_confirm against get_next_corpse"

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Tue, 25 Nov 2014 19:54:47 +0100

> This reverts commit 5195c14c8b27cc0b18220ddbf0e5ad3328a04187.
> 
> If the conntrack clashes with an existing one, it is left out of
> the unconfirmed list, thus, crashing when dropping the packet and
> releasing the conntrack since golden rule is that conntracks are
> always placed in any of the existing lists for traceability reasons.
> 
> Reported-by: Daniel Borkmann <dborkman@...hat.com>
> Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=88841
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
> ---
> Hi David,
> 
> Could you manually apply this to your net tree? We have a better
> candidate fix to replace this broken patch that I will pass to you
> once it gets sufficient testing.

Done, thanks Pablo.
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