syzbot

INFO: task syz.0.151:6564 blocked for more than 145 seconds.
      Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.151       state:D stack:24928 pid:6564  tgid:6562  ppid:5830   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 io_schedule+0x8d/0x110 kernel/sched/core.c:7681
 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:247
 __wait_on_bit+0xb2/0x2f0 kernel/sched/wait_bit.c:49
 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64
 wait_on_buffer include/linux/buffer_head.h:414 [inline]
 ext4_commit_super+0x341/0x450 fs/ext4/super.c:6238
 ext4_handle_error+0x71a/0x8e0 fs/ext4/super.c:727
 __ext4_error+0x277/0x3b0 fs/ext4/super.c:837
 __ext4_iget+0x71a/0x3f60 fs/ext4/inode.c:4754
 ext4_orphan_get+0x1bb/0x5f0 fs/ext4/ialloc.c:1389
 ext4_orphan_cleanup+0xa19/0x13d0 fs/ext4/orphan.c:467
 __ext4_fill_super fs/ext4/super.c:5610 [inline]
 ext4_fill_super+0x64dc/0x6e60 fs/ext4/super.c:5733
 get_tree_bdev_flags+0x48e/0x5c0 fs/super.c:1636