INFO: task syz.0.252:7947 blocked for more than 145 seconds.
      Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.252       state:D stack:0     pid:7947  tgid:7946  ppid:6452   task_flags:0x400140 flags:0x00000009
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
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6914
 __mutex_lock_common+0xd30/0x24b8 kernel/locking/mutex.c:662
 __mutex_lock kernel/locking/mutex.c:730 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
 bio_find_or_create_slab block/bio.c:122 [inline]
 bioset_init+0x1d0/0x6cc block/bio.c:1703
 bch2_fs_alloc fs/bcachefs/super.c:899 [inline]
 bch2_fs_open+0x1f54/0x299c fs/bcachefs/super.c:2064
 bch2_fs_get_tree+0x58c/0x11d4 fs/bcachefs/fs.c:2190
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3560
 path_mount+0x590/0xe04 fs/namespace.c:3887