INFO: task kworker/1:2:785 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:25584 pid:785   tgid:785   ppid:2      flags:0x00004000
Workqueue: events_long bch2_fs_read_only_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 journal_quiesce fs/bcachefs/journal.c:474 [inline]
 journal_quiesce+0x274/0x2b0 fs/bcachefs/journal.c:472
 bch2_fs_journal_stop+0xec/0x390 fs/bcachefs/journal.c:1181
 __bch2_fs_read_only+0x334/0x500 fs/bcachefs/super.c:291
 bch2_fs_read_only+0x9b2/0xf10 fs/bcachefs/super.c:356
 bch2_fs_read_only_work+0x2c/0x40 fs/bcachefs/super.c:393
 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz-executor.2:6425 blocked for more than 144 seconds.
      Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:20912 pid:6425  tgid:6424  ppid:5109   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x950/0x13f0 kernel/locking/rwsem.c:1306
 __bch2_fs_stop+0xf4/0x540 fs/bcachefs/super.c:612
 bch2_fs_stop fs/bcachefs/super.c:672 [inline]
 bch2_fs_open+0x761/0x1110 fs/bcachefs/super.c:2139
 bch2_mount+0xdcc/0x1130 fs/bcachefs/fs.c:1917
 legacy_get_tree+0x109/0x220 fs/fs_context.c:662
 vfs_get_tree+0x8f/0x380 fs/super.c:1780
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4a087e5ea
RSP: 002b:00007fe4a166def8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe4a166df80 RCX: 00007fe4a087e5ea
RDX: 00000000200000c0 RSI: 0000000020000fc0 RDI: 00007fe4a166df40
RBP: 00000000200000c0 R08: 00007fe4a166df80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000fc0
R13: 00007fe4a166df40 R14: 0000000000011a03 R15: 0000000020000980
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8dbb1760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #0: ffffffff8dbb1760 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #0: ffffffff8dbb1760 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:1/45:
 #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206