syzbot

WARNING: CPU: 1 PID: 14063 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: 1 PID: 14063 Comm: syz-executor1 Not tainted 4.20.0+ #396
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+0x1d3/0x2c6 lib/dump_stack.c:113
 panic+0x2ad/0x55f kernel/panic.c:189
 __warn.cold.8+0x20/0x52 kernel/panic.c:544
 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 c0 bd e8 88 c6 05 e8 7e 45 03 01 e8 8e 19 73 fa e9 70 fc ff ff e8 c8 a2 90 fa 0f 0b e9 a8 fe ff ff e8 bc a2 90 fa <0f> 0b e9 ed fd ff ff 48 89 c7 e8 fd 86 d4 fa e9 40 fe ff ff 4c 89
RSP: 0018:ffff88805afe7330 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff88809f66b400 RCX: ffffc9000c5a3000
RDX: 000000000000199e RSI: ffffffff86f14984 RDI: 0000000000000005
RBP: ffff88805afe7440 R08: ffff8880543fa040 R09: ffffed1013ecd6bb
R10: ffffed1013ecd6bb R11: ffff88809f66b5db R12: 1ffff1100b5fce67
R13: ffff88805afe7418 R14: 1ffff1100b5fce6b R15: ffff8880a7c6fd80
 __sk_destruct+0x107/0xa80 net/core/sock.c:1569
 sk_destruct+0x78/0x90 net/core/sock.c:1604
 __sk_free+0xcf/0x300 net/core/sock.c:1615
 sk_free+0x42/0x50 net/core/sock.c:1626
 sock_put include/net/sock.h:1703 [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+0x385/0xa50 fs/file_table.c:278
 ____fput+0x15/0x20 fs/file_table.c:309
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 get_signal+0x1558/0x1980 kernel/signal.c:2347
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 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: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5d37037c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: 0000000000000002 RBX: 0000000000000005 RCX: 0000000000457ec9
RDX: 0000000000000003 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000020006c80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d370386d4
R13: 00000000004c48be R14: 00000000004d7c98 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..