WARNING: CPU: 0 PID: 14882 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: 14882 Comm: syz-executor1 Not tainted 4.20.0-rc4+ #355 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 __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:969 RIP: 0010:pfkey_sock_destruct+0x574/0x610 net/key/af_key.c:111 Code: 00 48 c7 c7 60 7f c9 88 c6 05 70 c2 15 03 01 e8 66 16 65 fa e9 70 fc ff ff e8 78 93 82 fa 0f 0b e9 a8 fe ff ff e8 6c 93 82 fa <0f> 0b e9 ed fd ff ff 48 89 c7 e8 6d e6 c5 fa e9 40 fe ff ff 4c 89 RSP: 0018:ffff888184327330 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff8881bdf84640 RCX: ffffc90007dfa000 RDX: 0000000000001aae RSI: ffffffff86fcf794 RDI: 0000000000000005 RBP: ffff888184327440 R08: ffff8881c802a580 R09: ffffed1037bf0903 R10: ffffed1037bf0903 R11: ffff8881bdf8481b R12: 1ffff11030864e67 R13: ffff888184327418 R14: 1ffff11030864e6b R15: ffff8881cdf03500 __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 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: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fca42387c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 0000000000000002 RBX: 0000000000000005 RCX: 0000000000457569 RDX: 0000000000000003 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000020006c80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca423886d4 R13: 00000000004c3996 R14: 00000000004d5f20 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..