INFO: task kworker/1:1:47 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:21456 pid:47    tgid:47    ppid:2      flags:0x00004000
Workqueue: events slab_caches_to_rcu_destroy_workfn

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 slab_caches_to_rcu_destroy_workfn+0x37/0x120 mm/slab_common.c:435
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz-executor.4:5100 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:19216 pid:5100  tgid:5100  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1396
 shutdown_cache mm/slab_common.c:454 [inline]
 kmem_cache_destroy+0x6a/0x1b0 mm/slab_common.c:496
 bio_put_slab block/bio.c:155 [inline]
 bioset_exit+0x54e/0x650 block/bio.c:1740
 __bch2_fs_free fs/bcachefs/super.c:551 [inline]
 bch2_fs_release+0x1d4/0x720 fs/bcachefs/super.c:603