INFO: task kworker/0:8:5177 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/0:8     state:D stack:21872 pid:5177  tgid:5177  ppid:2      flags:0x00004000
Workqueue: events_long bch2_fs_read_only_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 journal_quiesce+0x205/0x2e0 fs/bcachefs/journal.c:474
 bch2_fs_journal_stop+0x33b/0x520 fs/bcachefs/journal.c:1181
 __bch2_fs_read_only+0x30c/0x430 fs/bcachefs/super.c:291
 bch2_fs_read_only+0xb52/0x1210 fs/bcachefs/super.c:356
 bch2_fs_read_only_work+0x2d/0x40 fs/bcachefs/super.c:393
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/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.3:11505 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:syz-executor.3  state:D stack:17296 pid:11505 tgid:11504 ppid:5419   flags:0x00404006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 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
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
 __bch2_fs_stop+0xfd/0x540 fs/bcachefs/super.c:612
 bch2_fs_stop fs/bcachefs/super.c:672 [inline]
 bch2_fs_open+0xb4f/0xdf0 fs/bcachefs/super.c:2139
 bch2_mount+0x71d/0x1320 fs/bcachefs/fs.c:1917
 legacy_get_tree+0xf0/0x190 fs/fs_context.c:662
 vfs_get_tree+0x92/0x2a0 fs/super.c:1780
 do_new_mount+0x2be/0xb40 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc393a7e5ea
RSP: 002b:00007fc394873ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc394873f80 RCX: 00007fc393a7e5ea
RDX: 0000000020011a00 RSI: 0000000020011a40 RDI: 00007fc394873f40
RBP: 0000000020011a00 R08: 00007fc394873f80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020011a40
R13: 00007fc394873f40 R14: 00000000000119f6 R15: 0000000020000100
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e333d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #0: ffffffff8e333d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #0: ffffffff8e333d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614