------------[ cut here ]------------
WARNING: CPU: 0 PID: 21576 at fs/io-wq.c:1064 io_wq_destroy fs/io-wq.c:1064 [inline]
WARNING: CPU: 0 PID: 21576 at fs/io-wq.c:1064 io_wq_put+0x153/0x260 fs/io-wq.c:1075
Modules linked in:
CPU: 0 PID: 21576 Comm: syz-executor.3 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_wq_destroy fs/io-wq.c:1064 [inline]
RIP: 0010:io_wq_put+0x153/0x260 fs/io-wq.c:1075
Code: 8d e8 f1 5f f2 01 49 89 c4 41 83 fc 40 7d 4f e8 a3 e9 97 ff 42 80 7c 2d 00 00 0f 85 77 ff ff ff e9 7a ff ff ff e8 8d e9 97 ff <0f> 0b eb b9 8d 6b ff 89 ee 09 de bf ff ff ff ff e8 88 ed 97 ff 09
RSP: 0018:ffffc90008ac7aa0 EFLAGS: 00010293
RAX: ffffffff81e11103 RBX: ffff88801d767040 RCX: ffff888052539c40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: 1ffff110048d0300 R08: ffffffff81e1104e R09: ffffed10048d0302
R10: ffffed10048d0302 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888024681800 R15: ffff88801d767000
FS:  00007fcd5e0ef700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560e922ad160 CR3: 0000000052f82000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 io_uring_clean_tctx fs/io_uring.c:8874 [inline]
 __io_uring_files_cancel+0xe11/0xe60 fs/io_uring.c:8939
 io_uring_files_cancel include/linux/io_uring.h:22 [inline]
 do_exit+0x258/0x2340 kernel/exit.c:780
 do_group_exit+0x168/0x2d0 kernel/exit.c:922
 get_signal+0x1734/0x1ef0 kernel/signal.c:2773
 arch_do_signal_or_restart+0x3c/0x610 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0xac/0x1e0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
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:00007fcd5e0ef188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000000302 RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 0000000000000302 RDI: 0000000000000005
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffeea248b1f R14: 00007fcd5e0ef300 R15: 0000000000022000