WARNING: CPU: 1 PID: 10643 at ./include/net/sock.h:1511 sock_owned_by_me include/net/sock.h:1511 [inline]
WARNING: CPU: 1 PID: 10643 at ./include/net/sock.h:1511 sock_owned_by_user include/net/sock.h:1517 [inline]
WARNING: CPU: 1 PID: 10643 at ./include/net/sock.h:1511 strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10643 Comm: syz-executor4 Not tainted 4.14.0+ #128
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
device sit0 left promiscuous mode
Call Trace:
device sit0 entered promiscuous mode
 __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+0x18/0x20 arch/x86/entry/entry_64.S:926
RIP: 0010:sock_owned_by_me include/net/sock.h:1511 [inline]
RIP: 0010:sock_owned_by_user include/net/sock.h:1517 [inline]
RIP: 0010:strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404
RSP: 0018:ffff8801c1a3f7d8 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801c1639c08 RCX: ffffffff84a83107
RDX: 00000000000002b7 RSI: ffffc90003375000 RDI: ffffffff860eac80
RBP: ffff8801c1a3f7f8 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: ffffffff8747dd60 R12: ffff8801cf19e080
R13: ffff8801c1639c10 R14: ffff8801c1a3f960 R15: ffff8801cf19e080
 psock_data_ready+0x56/0x70 net/kcm/kcmsock.c:353
 unix_dgram_sendmsg+0xa72/0x1600 net/unix/af_unix.c:1809
 unix_seqpacket_sendmsg+0xf3/0x160 net/unix/af_unix.c:2063
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 ___sys_sendmsg+0x322/0x8a0 net/socket.c:2048
 __sys_sendmmsg+0x1e6/0x5f0 net/socket.c:2138
 SYSC_sendmmsg net/socket.c:2169 [inline]
 SyS_sendmmsg+0x35/0x60 net/socket.c:2164
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452879
RSP: 002b:00007f2e1e6f2be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879
RDX: 0000000000000003 RSI: 00000000203ee000 RDI: 0000000000000014
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1f60
R13: 00000000ffffffff R14: 00007f2e1e6f36d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..