WARNING: CPU: 0 PID: 10190 at net/key/af_key.c:111 pfkey_sock_destruct+0x574/0x610 net/key/af_key.c:111
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 10190 Comm: syz-executor1 Not tainted 4.20.0-rc7+ #161
kobject: 'loop2' (00000000fd897bf9): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
kobject: 'loop2' (00000000fd897bf9): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:pfkey_sock_destruct+0x574/0x610 net/key/af_key.c:111
Code: 00 48 c7 c7 40 8f c9 88 c6 05 63 05 16 03 01 e8 36 49 65 fa e9 70 fc ff ff e8 18 c6 82 fa 0f 0b e9 a8 fe ff ff e8 0c c6 82 fa <0f> 0b e9 ed fd ff ff 48 89 c7 e8 5d 2c c6 fa e9 40 fe ff ff 4c 89
RSP: 0018:ffff888181c5f6a0 EFLAGS: 00010293
RAX: ffff8881836f85c0 RBX: ffff8881cccfc140 RCX: ffffffff86fcbc4a
RDX: 0000000000000000 RSI: ffffffff86fcbe64 RDI: 0000000000000005
RBP: ffff888181c5f7b0 R08: ffff8881836f85c0 R09: ffffed103999f863
R10: ffffed103999f863 R11: ffff8881cccfc31b R12: 1ffff1103038bed5
R13: ffff888181c5f788 R14: 1ffff1103038bed9 R15: ffff8881d145f380
 __sk_destruct+0x107/0xa80 net/core/sock.c:1561
 sk_destruct+0x78/0x90 net/core/sock.c:1596
 __sk_free+0xcf/0x300 net/core/sock.c:1607
 sk_free+0x42/0x50 net/core/sock.c:1618
 sock_put include/net/sock.h:1693 [inline]
 pfkey_release+0x409/0x570 net/key/af_key.c:194
 __sock_release+0xd7/0x250 net/socket.c:579
 sock_close+0x19/0x20 net/socket.c:1141
 __fput+0x385/0xa30 fs/file_table.c:278
 ____fput+0x15/0x20 fs/file_table.c:309
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x411121
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fffc4878970 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411121
RDX: 0000000000000000 RSI: 0000000000730368 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000730360 R09: 0000000000000000
R10: 00007fffc4878890 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000076 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..