EXT4-fs (loop0): VFS: Can't find ext4 filesystem
EXT4-fs (loop0): VFS: Can't find ext4 filesystem
INFO: task syz-executor.5:10244 blocked for more than 143 seconds.
      Not tainted 5.10.109 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:28752 pid:10244 ppid:   286 flags:0x10000004
Call Trace:
 context_switch kernel/sched/core.c:3791 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4540
 schedule+0xcb/0x270 kernel/sched/core.c:4618
 __io_uring_task_cancel+0x1ae/0x250 fs/io_uring.c:8924
 io_uring_task_cancel include/linux/io_uring.h:46 [inline]
 bprm_execve+0x114/0x1b00 fs/exec.c:1785
 do_execveat_common+0x621/0x7c0 fs/exec.c:1915
 do_execveat fs/exec.c:1994 [inline]
 __do_sys_execveat fs/exec.c:2070 [inline]
 __se_sys_execveat fs/exec.c:2062 [inline]
 __x64_sys_execveat+0xed/0x130 fs/exec.c:2062
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f0177613b19
RSP: 002b:00007f0174b89188 EFLAGS: 00000246 ORIG_RAX: 0000000000000142
RAX: ffffffffffffffda RBX: 00007f0177726f60 RCX: 00007f0177613b19
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffffff
RBP: 00007f017766df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6fd53fcf R14: 00007f0174b89300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df6fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379
1 lock held by in:imklog/177:
2 locks held by rs:main Q:Reg/179:
 #0: ffff88800c5d79f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
 #1: ffff88800f8ce438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658

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