netdev - Re: [PATCH net] ipv6: Fix PMTU updates for UDP/raw sockets in presence of VRF

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Message-Id: <20181118.190348.990786611160085958.davem@davemloft.net>
Date:   Sun, 18 Nov 2018 19:03:48 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     dsahern@...nel.org
Cc:     netdev@...r.kernel.org, preethir@...iper.net, dsahern@...il.com
Subject: Re: [PATCH net] ipv6: Fix PMTU updates for UDP/raw sockets in
 presence of VRF

From: David Ahern <dsahern@...nel.org>
Date: Sun, 18 Nov 2018 10:45:30 -0800

> From: David Ahern <dsahern@...il.com>
> 
> Preethi reported that PMTU discovery for UDP/raw applications is not
> working in the presence of VRF when the socket is not bound to a device.
> The problem is that ip6_sk_update_pmtu does not consider the L3 domain
> of the skb device if the socket is not bound. Update the function to
> set oif to the L3 master device if relevant.
> 
> Fixes: ca254490c8df ("net: Add VRF support to IPv6 stack")
> Reported-by: Preethi Ramachandra <preethir@...iper.net>
> Signed-off-by: David Ahern <dsahern@...il.com>

Applied and queued up for -stable.