INFO: task syz-executor:6477 blocked for more than 147 seconds.
      Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6477  tgid:6477  ppid:6470   task_flags:0x400140 flags:0x00000008
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x1360/0x257c kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6857
 io_schedule+0x8c/0x124 kernel/sched/core.c:7690
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:247
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x208/0x334 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:105 [inline]
 __wait_on_buffer fs/buffer.c:123 [inline]
 wait_on_buffer include/linux/buffer_head.h:414 [inline]
 __sync_dirty_buffer+0x204/0x304 fs/buffer.c:2858
 nilfs_sync_super fs/nilfs2/super.c:186 [inline]
 nilfs_commit_super+0x388/0x828 fs/nilfs2/super.c:302
 nilfs_sync_fs+0x290/0x414 fs/nilfs2/super.c:541
 sync_filesystem+0xe8/0x218 fs/sync.c:56
 generic_shutdown_super+0x70/0x2bc fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1413
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1420