WARNING: CPU: 0 PID: 8567 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: 8567 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #276
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: 'loop3' (000000005d11716c): kobject_uevent_env
 __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
kobject: 'loop3' (000000005d11716c): fill_kobj_path: path = '/devices/virtual/block/loop3'
 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 8b c9 88 c6 05 12 28 16 03 01 e8 a6 6b 65 fa e9 70 fc ff ff e8 88 e8 82 fa 0f 0b e9 a8 fe ff ff e8 7c e8 82 fa <0f> 0b e9 ed fd ff ff 48 89 c7 e8 9d 4d c6 fa e9 40 fe ff ff 4c 89
RSP: 0018:ffff88818250f650 EFLAGS: 00010293
RAX: ffff88818b55e100 RBX: ffff88818b534d40 RCX: ffffffff86fc99da
RDX: 0000000000000000 RSI: ffffffff86fc9bf4 RDI: 0000000000000005
RBP: ffff88818250f760 R08: ffff88818b55e100 R09: ffffed10316a69e3
R10: ffffed10316a69e3 R11: ffff88818b534f1b R12: 1ffff110304a1ecb
R13: ffff88818250f738 R14: 1ffff110304a1ecf R15: ffff8881cc438580
 __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_32_irqs_on arch/x86/entry/common.c:341 [inline]
 do_fast_syscall_32+0xcd5/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f59a29
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:000000000845fdac EFLAGS: 00000216 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..