Fatal page fault induced by traps module

Issue

The kernel may experience panic with the following stack trace:

BUG: unable to handle kernel NULL pointer dereference at           (null)
…
RIP: 0010:[<ffffffffa3ac4a8e>]  [<ffffffffa3ac4a8e>] __wake_up_common+0x2e/0x90
…
 [<ffffffffa3ac7a09>] __wake_up+0x39/0x50
 [<ffffffffc08d8838>] wait_queue_signal_ticket+0x58/0xb0 [traps]
 [<ffffffffc08d424a>] auth_link_recv_exec_response+0x2a/0x60 [traps]
 [<ffffffffc08d42da>] auth_link_recv_connected+0x1a/0x50 [traps]
 [<ffffffffc08d437c>] auth_link_recv+0x6c/0xc0 [traps]
 [<ffffffffa4024850>] netlink_unicast+0x170/0x210
 [<ffffffffa4024bf8>] netlink_sendmsg+0x308/0x420
 [<ffffffffa3fcc396>] sock_sendmsg+0xb6/0xf0
 [<ffffffffa3fcd199>] ___sys_sendmsg+0x3a9/0x3c0
 [<ffffffffa3fce761>] __sys_sendmsg+0x51/0x90
 [<ffffffffa3fce7b2>] SyS_sendmsg+0x12/0x20
 [<ffffffffa411fa51>] tracesys+0x9d/0xc3