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WARNING: CPU: 1 PID: 10389 at fs/io-wq.c:280 refcount_add_not_zero include/linux/refcount.h:165 [inline]
WARNING: CPU: 1 PID: 10389 at fs/io-wq.c:280 refcount_inc_not_zero include/linux/refcount.h:211 [inline]
WARNING: CPU: 1 PID: 10389 at fs/io-wq.c:280 io_worker_get fs/io-wq.c:121 [inline]
WARNING: CPU: 1 PID: 10389 at fs/io-wq.c:280 io_wqe_activate_free_worker fs/io-wq.c:259 [inline]
WARNING: CPU: 1 PID: 10389 at fs/io-wq.c:280 io_wqe_wake_worker+0x430/0x4a0 fs/io-wq.c:283
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 10389 Comm: syz-executor.3 Not tainted 5.5.0-rc7-syzkaller #0
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+0x96/0xe0 lib/dump_stack.c:118
 panic+0x2a1/0x52a kernel/panic.c:221
 __warn.cold.10+0x25/0x2f kernel/panic.c:582
 report_bug+0x1aa/0x260 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12d/0x1e0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x2d/0x40 arch/x86/entry/entry_64.S:1027
RIP: 0010:io_wqe_wake_worker+0x430/0x4a0 fs/io-wq.c:280
Code: 48 c7 c7 00 d1 56 88 c6 05 01 2a 68 0a 01 e8 04 5c 92 ff e9 36 fd ff ff 31 f6 4c 89 ef e8 18 65 b8 01 8b 45 98 e9 db fe ff ff <0f> 0b e9 6a fc ff ff 4c 89 e7 e8 91 6f df ff e9 4b fc ff ff 31 c0
RSP: 0018:ffffc9000aacf938 EFLAGS: 00010246
RAX: ffff8880b0c0c890 RBX: 1ffff92001559f2a RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880b0c0c890 RDI: ffff8880b0c0c800
RBP: ffffc9000aacf9d8 R08: ffffed1016181914 R09: ffffed1016181914
R10: ffffed1016181913 R11: ffff8880b0c0c89b R12: ffff8880b0c0c894
R13: ffff8880b0c0c890 R14: ffff8880b0c0c800 R15: ffff8880b0c0c838
 io_wqe_enqueue+0x166/0x700 fs/io-wq.c:780
 io_queue_async_work+0x28e/0x7a0 fs/io_uring.c:932
 __io_queue_sqe fs/io_uring.c:4552 [inline]
 io_queue_sqe+0x7a2/0x1240 fs/io_uring.c:4607
 io_submit_sqe fs/io_uring.c:4702 [inline]
 io_submit_sqes+0x1b4a/0x3030 fs/io_uring.c:4856
 __do_sys_io_uring_enter fs/io_uring.c:6375 [inline]
 __se_sys_io_uring_enter fs/io_uring.c:6326 [inline]
 __x64_sys_io_uring_enter+0x7e6/0x980 fs/io_uring.c:6326
 do_syscall_64+0x98/0x560 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f79e92af188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000002a6e RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe0065059f R14: 00007f79e92af300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..