hrtimer: interrupt took 31125 ns
WARNING: CPU: 1 PID: 7483 at net/ipv4/tcp.c:2415 tcp_close+0xf59/0x1300 net/ipv4/tcp.c:2415
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7483 Comm: syz-executor0 Not tainted 4.19.0-rc5-next-20180928+ #84
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+0x1d3/0x2c4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 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:tcp_close+0xf59/0x1300 net/ipv4/tcp.c:2415
Code: ff ff e8 da 61 fd fa be 07 00 00 00 48 89 df e8 cd e4 fe ff 4c 8d 63 28 48 89 df e8 61 db fd ff e9 cc f6 ff ff e8 b7 61 fd fa <0f> 0b e9 55 f8 ff ff e8 ab 61 fd fa be 07 00 00 00 48 89 df e8 9e
RSP: 0018:ffff88018bfffa28 EFLAGS: 00010202
RAX: 0000000000040000 RBX: ffff8801be984040 RCX: ffffc90001e6a000
RDX: 00000000000041e0 RSI: ffffffff86800699 RDI: 0000000000000005
RBP: ffff88018bfffae8 R08: ffff8801c951e140 R09: ffffed0037d30819
R10: ffffed0037d30819 R11: ffff8801be9840cb R12: ffff8801be984068
R13: ffff8801be9840c8 R14: ffff8801be9840c0 R15: 0000000000000007
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:458
 __sock_release+0xd7/0x250 net/socket.c:580
 sock_close+0x19/0x20 net/socket.c:1142
 __fput+0x3bc/0xa70 fs/file_table.c:279
 ____fput+0x15/0x20 fs/file_table.c:312
 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: 0033:0x457579
Code: 1d 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc08a2dfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 000000000001550d RBX: 0000000000000006 RCX: 0000000000457579
RDX: ffffffffffffffd6 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 000000000072bf00 R08: 000000002031e000 R09: 000000000000001c
R10: 0000000020000004 R11: 0000000000000246 R12: 00007fc08a2e06d4
R13: 00000000004c3935 R14: 00000000004d57d8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..