------------[ cut here ]------------ WARNING: CPU: 0 PID: 1381 at fs/io-wq.c:1068 io_wq_destroy+0x1dd/0x240 fs/io-wq.c:1068 Modules linked in: CPU: 0 PID: 1381 Comm: syz-executor.4 Not tainted 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:io_wq_destroy+0x1dd/0x240 fs/io-wq.c:1068 Code: 48 c1 ea 03 80 3c 02 00 75 6e 49 8b 3c 24 e8 2a b3 d8 ff 4c 89 e7 5b 5d 41 5c 41 5d 41 5e 41 5f e9 18 b3 d8 ff e8 73 b1 95 ff <0f> 0b e9 02 ff ff ff e8 67 b1 95 ff 48 89 ef e8 ff b2 d8 ff eb ae RSP: 0018:ffffc900183df920 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880208b0000 RSI: ffffffff81de3cbd RDI: ffff88801b8a9040 RBP: ffff88801b8a9000 R08: 000000000000003f R09: ffff88805724440f R10: ffffffff81de3b50 R11: 0000000000000000 R12: ffff888057244400 R13: dffffc0000000000 R14: ffffed100ae48880 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f55b1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000816f59c CR3: 0000000021295000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: io_wq_put fs/io-wq.c:1079 [inline] io_wq_put_and_exit+0x8d/0xc0 fs/io-wq.c:1086 io_uring_clean_tctx+0xed/0x160 fs/io_uring.c:8890 __io_uring_files_cancel+0x503/0x5f0 fs/io_uring.c:8955 io_uring_files_cancel include/linux/io_uring.h:22 [inline] do_exit+0x299/0x2a60 kernel/exit.c:780 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x42c/0x2100 kernel/signal.c:2777 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789 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+0x148/0x250 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 __do_fast_syscall_32+0x62/0x90 arch/x86/entry/common.c:143 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:165 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fb7549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f55b15fc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: 0000000000000100 RBX: 0000000000000006 RCX: 000000000000450c RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000