Le 30/11/2021 à 17:26, Stephen Suryaputra a écrit :

IPCB/IP6CB need to be initialized when processing outbound v4 or v6 pkts in the codepath of vrf device xmit function so that leftover garbage doesn't cause futher code that uses the CB to incorrectly process the pkt.

One occasion of the issue might occur when MPLS route uses the vrf device as the outgoing device such as when the route is added using "ip -f mpls route add <label> dev <vrf>" command.

The problems seems to exist since day one. Hence I put the day one commits on the Fixes tags.

Fixes: 193125dbd8eb ("net: Introduce VRF device driver") Fixes: 35402e313663 ("net: Add IPv6 support to VRF device") Signed-off-by: Stephen Suryaputra ssuryaextr@gmail.com

Cc: stable@vger.kernel.org

Thanks, Nicolas