Re: [PATCH] net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.

2016-11-30 Thread David Miller
From: Lorenzo Colitti 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 gettin

Re: [PATCH] net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.

2016-11-30 Thread Lorenzo Colitti
On Tue, Nov 29, 2016 at 9:56 AM, Lorenzo Colitti wrote: > 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. Since I missed this in the

[PATCH] net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.

2016-11-29 Thread Lorenzo Colitti
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