INFO: task syz-executor:5439 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22768 pid:5439  tgid:5439  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 io_schedule+0x7f/0xd0 kernel/sched/core.c:8150
 folio_wait_bit_common+0x836/0xbc0 mm/filemap.c:1324
 __folio_lock mm/filemap.c:1705 [inline]
 folio_lock include/linux/pagemap.h:1159 [inline]
 __filemap_get_folio_mpol+0x140/0x1000 mm/filemap.c:1961
 __filemap_get_folio include/linux/pagemap.h:763 [inline]
 truncate_inode_pages_range+0x46d/0xd80 mm/truncate.c:413
 evict+0x638/0xb50 fs/inode.c:830
 dispose_list fs/inode.c:870 [inline]
 evict_inodes+0x7e3/0x870 fs/inode.c:924
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:633
 kill_block_super+0x44/0x90 fs/super.c:1665
 deactivate_locked_super+0xbc/0x130 fs/super.c:477
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f070959e097
RSP: 002b:00007fffdb0519b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f07096322ca RCX: 00007f070959e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffdb051a70
RBP: 00007fffdb051a70 R08: 00007fffdb052a70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdb052b00
R13: 00007f07096322ca R14: 0000000000033b01 R15: 00007fffdb052b40
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>