WARNING: CPU: 0 PID: 5581 at ./include/net/sock.h:1510 sock_owned_by_me include/net/sock.h:1510 [inline]
WARNING: CPU: 0 PID: 5581 at ./include/net/sock.h:1510 sock_owned_by_user include/net/sock.h:1516 [inline]
WARNING: CPU: 0 PID: 5581 at ./include/net/sock.h:1510 strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5581 Comm: kworker/u4:7 Not tainted 4.15.0-rc4-mm1+ #49
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: kkcmd kcm_tx_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:177
 fixup_bug arch/x86/kernel/traps.c:246 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:sock_owned_by_me include/net/sock.h:1510 [inline]
RIP: 0010:sock_owned_by_user include/net/sock.h:1516 [inline]
RIP: 0010:strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404
RSP: 0018:ffff8801cc416fa8 EFLAGS: 00010293
RAX: ffff8801c99dc6c0 RBX: ffff8801ced06f48 RCX: ffffffff84bbe257
RDX: 0000000000000000 RSI: ffff8801c4d38260 RDI: ffffffff866e5920
RBP: ffff8801cc416fc8 R08: 0000000000000002 R09: 1ffffffff0e2c3c6
R10: ffff8801cc416e90 R11: dffffc0000000000 R12: ffff8801c4d381c0
R13: ffff8801ced06f50 R14: ffff8801cc417130 R15: ffff8801c4d381c0
 psock_data_ready+0x56/0x70 net/kcm/kcmsock.c:353
 unix_dgram_sendmsg+0xa72/0x1600 net/unix/af_unix.c:1809
 sock_sendmsg_nosec net/socket.c:628 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:638
 kernel_sendmsg+0x47/0x60 net/socket.c:646
 sock_no_sendpage+0x1cc/0x280 net/core/sock.c:2581
 kernel_sendpage+0x8d/0xe0 net/socket.c:3347
 kcm_write_msgs+0x404/0x1b80 net/kcm/kcmsock.c:646
 kcm_tx_work+0x2e/0x190 net/kcm/kcmsock.c:731
 process_one_work+0xbbf/0x1af0 kernel/workqueue.c:2112
 worker_thread+0x223/0x1990 kernel/workqueue.c:2246
 kthread+0x33c/0x400 kernel/kthread.c:238
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..