INFO: task bch-reclaim/loo:3315 blocked for more than 143 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:bch-reclaim/loo state:D stack:14472 pid:3315  tgid:3315  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x615/0x9a0 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0xac/0x140 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x44a/0x970 kernel/locking/mutex.c:752
 bch2_journal_reclaim_thread+0x74/0x160 fs/bcachefs/journal_reclaim.c:726
 kthread+0xea/0x100 kernel/kthread.c:389
 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff83d7f250 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #0: ffffffff83d7f250 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #0: ffffffff83d7f250 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6614
2 locks held by getty/1479:
 #0: ffff8881023300a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002ba72f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x243/0x910 drivers/tty/n_tty.c:2211
4 locks held by syz-executor/2907:
1 lock held by bch-reclaim/loo/3315:
 #0: ffff88810eb4af28 (&j->reclaim_lock){....}-{3:3}, at: bch2_journal_reclaim_thread+0x74/0x160 fs/bcachefs/journal_reclaim.c:726

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:114
 nmi_cpu_backtrace+0x146/0x160 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0x5db/0x600 kernel/hung_task.c:379
 kthread+0xea/0x100 kernel/kthread.c:389
 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6085 Comm: syz.0.997 Not tainted 6.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0033:0x7f1fc96418bb
Code: cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 <45> 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 83
RSP: 002b:00007f1fca4b24a0 EFLAGS: 00000206
RAX: 0000000000113943 RBX: 00007f1fca4b2540 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f1fca4b25e0
RBP: 0000000000000102 R08: 00007f1fc0400000 R09: 0000000000000000
R10: 0000000000000000 R11: 00007f1fca4b2550 R12: 0000000000000001
R13: 00007f1fc9804a40 R14: 0000000000000000 R15: 00007f1fca4b25e0
FS:  00007f1fca4b36c0 GS:  0000000000000000