INFO: task syz.6.517:8547 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-11895-gcca7a0aae895 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.517       state:D
 stack:15112 pid:8547  tgid:8546  ppid:8382   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x9a/0x270
 __down_common+0x319/0x6a0
 down+0x80/0xd0
 bch2_run_recovery_passes+0x177/0x210
 bch2_fs_recovery+0x28c9/0x3a50
 bch2_fs_start+0xaaf/0xda0
 bch2_fs_get_tree+0xb39/0x1520
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbe02f9038a
RSP: 002b:00007fbe03d1ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbe03d1eef0 RCX: 00007fbe02f9038a
RDX: 000020000000f640 RSI: 0000200000000000 RDI: 00007fbe03d1eeb0
RBP: 000020000000f640 R08: 00007fbe03d1eef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007fbe03d1eeb0 R14: 000000000000f634 R15: 00002000000000c0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5673:
 #0: ffff8880274f50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
4 locks held by syz.7.1351/11725:
 #0: ffff88812d004398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7f4/0xd80
 #1: ffff8881070881b0 (bcachefs_btree){+.+.}-{0:0}, at: __bch2_trans_get+0x7f4/0xd80
 #2: ffff88812d0049d8 (&c->mark_lock){++++}-{0:0}, at: bch2_accounting_read+0x152/0x57c0
 #3: ffffffff8e13f978 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-syzkaller-11895-gcca7a0aae895 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 11725 Comm: syz.7.1351 Not tainted 6.16.0-syzkaller-11895-gcca7a0aae895 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20
Code: 56 7c 78 0a e9 61 06 00 00 90 f3 0f 1e fa 0f 1f 00 fc 6a ff e8 11 05 00 00 48 89 c4 48 89 e7 e8 66 7b 78 0a e9 41 06 00 00 90 <f3> 0f 1e fa 0f 1f 00 fc 6a ff e8 f1 04 00 00 48 89 c4 48 89 e7 e8
RSP: 0018:ffffc9000386efb8 EFLAGS: 00000093
RAX: ffffffff81a024e7 RBX: ffffffff81a023a4 RCX: ffff888106b88000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e12e180
RBP: ffffc9000386f0f0 R08: ffffffff8fa34237 R09: 1ffffffff1f46846
R10: dffffc0000000000 R11: fffffbfff1f46847 R12: dffffc0000000000
R13: 1ffff9200070de00 R14: 0000000000000200 R15: 000000000000001f
FS:  00007f57892526c0(0000) GS:ffff8880b8624000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f409511c000 CR3: 000000004256e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
RIP: 0010:vprintk_emit+0x58f/0x7a0
Code: 85 32 01 00 00 e8 e1 86 1f 00 41 89 df 4d 85 f6 48 8b 1c 24 75 07 e8 d0 86 1f 00 eb 06 e8 c9 86 1f 00 fb 48 c7 c7 80 e1 12 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 b9 35
RSP: 0018:ffffc9000386efe0 EFLAGS: 00000293
 __bch2_print+0x176/0x220
 __bch2_run_recovery_passes+0x36e/0x1060
 bch2_run_recovery_passes+0x184/0x210
 bch2_fs_recovery+0x2690/0x3a50
 bch2_fs_start+0xaaf/0xda0
 bch2_fs_get_tree+0xb39/0x1520
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f578839038a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5789251e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5789251ef0 RCX: 00007f578839038a
RDX: 000020000000f640 RSI: 0000200000000000 RDI: 00007f5789251eb0
RBP: 000020000000f640 R08: 00007f5789251ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007f5789251eb0 R14: 000000000000f634 R15: 00002000000000c0
 </TASK>
