hrtimer: interrupt took 204299 ns
WARNING: CPU: 0 PID: 9857 at net/ipv4/tcp.c:2422 tcp_close+0xf44/0x12d0 net/ipv4/tcp.c:2422
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9857 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #181
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+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:tcp_close+0xf44/0x12d0 net/ipv4/tcp.c:2422
Code: ff ff e8 0f f5 fd fb be 07 00 00 00 48 89 df 4c 8d 63 28 e8 ce f1 fe ff 48 89 df e8 c6 de fd ff e9 df f6 ff ff e8 ec f4 fd fb <0f> 0b e9 68 f8 ff ff e8 e0 f4 fd fb be 07 00 00 00 48 89 df e8 a3 
RSP: 0018:ffff8801a528f698 EFLAGS: 00010293
RAX: ffff8801d8d70500 RBX: ffff8801ab0c8e40 RCX: ffffffff857e1bc5
RDX: 0000000000000000 RSI: ffffffff857e2364 RDI: 0000000000000005
RBP: ffff8801a528f758 R08: ffff8801d8d70500 R09: ffffed00356191d9
R10: ffffed00356191d9 R11: ffff8801ab0c8ecb R12: ffff8801ab0c8e68
R13: ffff8801ab0c8ec8 R14: ffff8801ab0c8e52 R15: 0000000000000007
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:427
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:459
 __sock_release+0xd7/0x260 net/socket.c:600
 sock_close+0x19/0x20 net/socket.c:1151
 __fput+0x355/0x8b0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x1ec/0x2a0 kernel/task_work.c:113
 get_signal+0x1559/0x1970 kernel/signal.c:2298
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e0/0x370 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: 0033:0x457089
Code: fd b4 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 b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fc54d8b7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 0000000000364650 RBX: 00007fc54d8b86d4 RCX: 0000000000457089
RDX: 08d2d601e8976aa5 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00000000009300a0 R08: 000000002031e000 R09: 000000000000001c
R10: 0000000020000004 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d3d20 R14: 00000000004c8999 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..