linux-kernel - Re: [PATCH 1/1] ipv6: fix restrict IPV6

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Date:   Mon, 20 Apr 2020 11:07:25 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     john.haxby@...cle.com
Cc:     edumazet@...gle.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 1/1] ipv6: fix restrict IPV6_ADDRFORM operation

From: John Haxby <john.haxby@...cle.com>
Date: Sat, 18 Apr 2020 16:30:49 +0100

> Commit b6f6118901d1 ("ipv6: restrict IPV6_ADDRFORM operation") fixed a
> problem found by syzbot an unfortunate logic error meant that it
> also broke IPV6_ADDRFORM.
> 
> Rearrange the checks so that the earlier test is just one of the series
> of checks made before moving the socket from IPv6 to IPv4.
> 
> Fixes: b6f6118901d1 ("ipv6: restrict IPV6_ADDRFORM operation")
> Signed-off-by: John Haxby <john.haxby@...cle.com>

Applied, thanks.