From: James Chapman <jchap...@katalix.com> Date: Mon, 12 Feb 2018 10:11:07 +0000
> Previously, if a tunnel was closed, we called inet_shutdown to mark > the socket as unconnected such that userspace would get errors and > then close the socket. This could race with userspace closing the > socket. Instead, leave userspace to close the socket in its own time > (our tunnel will be detached anyway). > > Fixes: 309795f4be ("l2tp: Add netlink control API for L2TP") ... > BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 > IP: __lock_acquire+0x263/0x1630 Ok, all of these are like this. Please fix this up, put the kernel log message into the message body and add an appropriate signoff. Thank you.