syzbot

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ODEBUG: init active (active state 0) object type: timer_list hint: tw_timer_handler+0x0/0x160 include/linux/list_nulls.h:88
WARNING: CPU: 0 PID: 23997 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 23997 Comm: syz-executor.4 Not tainted 5.0.0+ #127
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325
Code: dd 40 dc a1 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 40 dc a1 87 48 c7 c7 e0 d1 a1 87 e8 64 44 12 fe <0f> 0b 83 05 d1 62 2d 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3
RSP: 0018:ffff88809563f7b0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815ad706 RDI: ffffed1012ac7ee8
RBP: ffff88809563f7f0 R08: ffff88806890e700 R09: ffffed1015d03ef1
R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: 0000000000000001
R13: ffffffff889af880 R14: ffffffff81603e50 R15: ffff888060551128
 __debug_object_init+0x4e0/0xc30 lib/debugobjects.c:405
 debug_object_init+0x16/0x20 lib/debugobjects.c:431
 debug_timer_init kernel/time/timer.c:703 [inline]
 debug_init kernel/time/timer.c:756 [inline]
 init_timer_key+0x36/0x370 kernel/time/timer.c:805
 inet_twsk_alloc+0x702/0x950 net/ipv4/inet_timewait_sock.c:188
 tcp_time_wait+0x55/0xb50 net/ipv4/tcp_minisocks.c:259
 tcp_rcv_state_process+0x23c6/0x4d93 net/ipv4/tcp_input.c:6181
 tcp_v4_do_rcv+0x351/0x8d0 net/ipv4/tcp_ipv4.c:1563
 sk_backlog_rcv include/net/sock.h:937 [inline]
 __release_sock+0x12e/0x3a0 net/core/sock.c:2413
 release_sock+0x59/0x1c0 net/core/sock.c:2929
 sk_stream_wait_close net/core/stream.c:104 [inline]
 sk_stream_wait_close+0x26c/0x370 net/core/stream.c:96
 tcp_close+0x59b/0x10c0 net/ipv4/tcp.c:2436
 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428
 __sock_release+0xd3/0x2b0 net/socket.c:599
 sock_close+0x1b/0x30 net/socket.c:1247
 __fput+0x2e5/0x8d0 fs/file_table.c:278
 ____fput+0x16/0x20 fs/file_table.c:309
 task_work_run+0x14a/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x273/0x2c0 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+0x52d/0x610 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x411e31
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fff72825d80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000411e31
RDX: 0000000000000001 RSI: 0000000000741e00 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000124678 R09: 0000000000124678
R10: 00007fff72825cb0 R11: 0000000000000293 R12: 0000000000000001
R13: 00007fff72825dc0 R14: 0000000000000000 R15: 00007fff72825dd0

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