EXT4-fs (loop0): Unrecognized mount option "°" or missing value
EXT4-fs (loop0): Unrecognized mount option "°" or missing value
INFO: task syz-executor.5:14520 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.5  state:D stack:28688 pid:14520 ppid:  7122 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:00007fb5a0671218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000056c040 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056c040
RBP: 000000000056c038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c044
R13: 00007ffcacb208ff R14: 00007fb5a0671300 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
1 lock held by in:imklog/194:
2 locks held by rs:main Q:Reg/198:
 #0: ffff88800cfef4f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
 #1: ffff88800f720438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658
2 locks held by agetty/228:
 #0: ffff888008c8a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
 #1: ffffc900007bf2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xdca/0x1320 drivers/tty/n_tty.c:2174

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