Re: [PATCH] net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.
From: David Miller <davem@davemloft.net>
Date: 2016-11-30 19:54:31
From: Lorenzo Colitti <redacted> Date: Wed, 30 Nov 2016 02:56:47 +0900
Commit e2d118a1cb5e ("net: inet: Support UID-based routing in IP
protocols.") made __build_flow_key call sock_net(sk) to determine
the network namespace of the passed-in socket. This crashes if sk
is NULL.
Fix this by getting the network namespace from the skb instead.
Reported-by: Erez Shitrit <redacted>
Signed-off-by: Lorenzo Colitti <redacted>Applied, thanks.