EXT4-fs (loop7): Unrecognized mount option "�x)AP'" or missing value
FAT-fs (loop7): Unrecognized mount option "euid<00000000000000060929" or missing value
EXT4-fs (loop7): Unrecognized mount option "�x)AP'" or missing value
INFO: task syz-executor.0:7184 blocked for more than 143 seconds.
      Not tainted 5.10.45 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:28216 pid: 7184 ppid:  6178 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x83f/0x1e70 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 io_uring_cancel_files fs/io_uring.c:8684 [inline]
 io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8751
 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8833
 io_uring_files_cancel include/linux/io_uring.h:51 [inline]
 do_exit+0x2f6/0x2780 kernel/exit.c:766
 do_group_exit+0x125/0x310 kernel/exit.c:908
 get_signal+0x469/0x2200 kernel/signal.c:2758
 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
RSP: 002b:00007f526d00f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000056c040 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056c040
RBP: 000000000056c038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c044
R13: 00007fff1acc9b7f R14: 00007f526d00f300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6261
2 locks held by in:imklog/380:
 #0: ffff88800eb0fc70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
 #1: ffff88806cf33198 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1294 [inline]
 #1: ffff88806cf33198 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x1d9/0x1e70 kernel/sched/core.c:4443
2 locks held by rs:main Q:Reg/381:
 #0: ffff88800e499770 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
 #1: ffff88800eae2438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658

=============================================