------------[ cut here ]------------ WARNING: CPU: 1 PID: 201 at net/ipv4/af_inet.c:167 inet_sock_destruct+0x5f6/0x7b0 net/ipv4/af_inet.c:167() Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 201 Comm: kworker/1:1 Not tainted 4.4.113-g202e079 #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: sock_diag_events sock_diag_broadcast_destroy_work 0000000000000000 85a1f14624c2c1e5 ffff8800bba3fa28 ffffffff81d0278d ffffffff838439a0 ffff8800bba3fb00 ffffffff83cf5560 0000000000000009 00000000000000a7 ffff8800bba3faf0 ffffffff81419b6a 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x1aa/0x388 kernel/panic.c:112 [] warn_slowpath_common+0x125/0x140 kernel/panic.c:455 [] warn_slowpath_null+0x29/0x30 kernel/panic.c:492 [] inet_sock_destruct+0x5f6/0x7b0 net/ipv4/af_inet.c:167 [] l2tp_tunnel_destruct+0x357/0x5a0 net/l2tp/l2tp_core.c:1235 [] sk_destruct+0x4a/0x4c0 net/core/sock.c:1447 [] sock_diag_broadcast_destroy_work+0x25e/0x380 net/core/sock_diag.c:153 [] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064 audit: type=1400 audit(1517195793.473:21): avc: denied { lock } for pid=9167 comm="syz-executor2" path="socket:[16288]" dev="sockfs" ino=16288 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1517195793.483:22): avc: denied { getattr } for pid=9167 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1517195793.483:23): avc: denied { ioctl } for pid=9167 comm="syz-executor2" path="socket:[16288]" dev="sockfs" ino=16288 ioctlcmd=5419 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1517195793.493:24): avc: denied { setattr } for pid=9167 comm="syz-executor2" name="NETLINK" dev="sockfs" ino=16288 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 binder: BINDER_SET_CONTEXT_MGR already set binder: 9174:9176 ioctl 40046207 0 returned -16 [] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:506 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..