IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
WARNING: CPU: 0 PID: 4763 at net/core/stream.c:206 sk_stream_kill_queues+0x3e7/0x540 net/core/stream.c:206
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 4763 Comm: syz-executor5 Not tainted 4.18.0-rc5+ #159
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:sk_stream_kill_queues+0x3e7/0x540 net/core/stream.c:206
Code: 48 c1 ea 03 0f b6 04 02 84 c0 74 04 3c 03 7e 41 44 8b a3 f0 01 00 00 e9 5f ff ff ff e8 b2 12 88 fb 0f 0b eb 96 e8 a9 12 88 fb <0f> 0b eb a1 e8 a0 12 88 fb 0f 0b e9 9f fe ff ff 4c 89 ef e8 61 e9 
RSP: 0018:ffff8801a7f8efe0 EFLAGS: 00010293
RAX: ffff8801d3d9e080 RBX: 0000000000000000 RCX: ffffffff85f404c7
RDX: 0000000000000000 RSI: ffffffff85f40527 RDI: 0000000000000005
RBP: ffff8801a7f8f020 R08: ffff8801d3d9e080 R09: ffffed003b5c46d6
R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: 0000000000000fe3
R13: ffff8801d82b6230 R14: ffffffff8b4b6b40 R15: 0000000000000007
 inet_csk_destroy_sock+0x1a7/0x440 net/ipv4/inet_connection_sock.c:828
 tcp_close+0xb89/0x12d0 net/ipv4/tcp.c:2484
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:427
 __sock_release+0xd7/0x260 net/socket.c:599
 sock_close+0x19/0x20 net/socket.c:1150
 __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
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x1b08/0x2750 kernel/exit.c:865
 do_group_exit+0x177/0x440 kernel/exit.c:968
 get_signal+0x88e/0x1970 kernel/signal.c:2468
 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: 0033:0x455ab9
Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f5405553ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf68 RCX: 0000000000455ab9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bf68
RBP: 000000000072bf68 R08: 0000000000000000 R09: 000000000072bf48
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3f28f5ff R14: 00007f54055549c0 R15: 0000000000000001
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..