------------[ cut here ]------------
WARNING: CPU: 1 PID: 10207 at fs/io_uring.c:8717 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline]
WARNING: CPU: 1 PID: 10207 at fs/io_uring.c:8717 mmap_write_lock include/linux/mmap_lock.h:72 [inline]
WARNING: CPU: 1 PID: 10207 at fs/io_uring.c:8717 io_unaccount_mem fs/io_uring.c:8211 [inline]
WARNING: CPU: 1 PID: 10207 at fs/io_uring.c:8717 io_ring_ctx_wait_and_kill+0x1df/0x1f0 fs/io_uring.c:8741
Modules linked in:
CPU: 1 PID: 10207 Comm: syz-executor.1 Not tainted 5.11.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_ring_ctx_wait_and_kill+0x1df/0x1f0 fs/io_uring.c:8717
Code: ff be 01 00 00 00 48 89 ef e8 4d 2d ee ff e9 60 ff ff ff ba 01 00 00 00 be 01 00 00 00 48 89 ef e8 76 2b ee ff e9 23 ff ff ff <0f> 0b 80 4b 44 40 e9 50 fe ff ff 66 0f 1f 44 00 00 48 8b be b0 01
RSP: 0018:ffffc90002f6bea0 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff88811e5e3800 RCX: 0000000000000001
RDX: 0000000080000001 RSI: ffffffff8490a4c1 RDI: 00000000ffffffff
RBP: ffff88811e5e3b80 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000002 R12: ffff888141cee040
R13: ffff8881407fe160 R14: ffff888110f2a270 R15: 0000000000000000
FS:  00007fb353526700(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc72682e27 CR3: 000000011e36e000 CR4: 0000000000350ee0
Call Trace:
 io_uring_release+0x17/0x20 fs/io_uring.c:8759
 __fput+0xa1/0x250 fs/file_table.c:280
 task_work_run+0x68/0xb0 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x22c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb353525be8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffe8 RBX: 0000000020000040 RCX: 000000000045e219
RDX: 0000000020ffd000 RSI: 0000000020000040 RDI: 0000000000002094
RBP: 000000000119bfd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020ffd000
R13: 0000000020ffd000 R14: 0000000000000000 R15: 0000000000000000