INFO: task syz.1.58:6335 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.58        state:D stack:15112 pid:6335  tgid:6334  ppid:5851   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: 0033:0x7f0651b9038a
RSP: 002b:00007f0652a76e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0652a76ef0 RCX: 00007f0651b9038a
RDX: 00002000000000c0 RSI: 0000200000000000 RDI: 00007f0652a76eb0
RBP: 00002000000000c0 R08: 00007f0652a76ef0 R09: 0000000000810000
R10: 0000000000810000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007f0652a76eb0 R14: 000000000000593a R15: 00002000000006c0
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #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:__enqueue_entity+0x32c/0x5e0
Code: 5c 24 18 49 8b 44 24 28 48 89 44 24 40 49 8d 7c 24 60 48 89 f8 48 c1 e8 03 42 80 3c 28 00 74 05 e8 39 d8 8d 00 49 8b 5c 24 60 <49> 89 5c 24 20 4d 8d 74 24 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00
RSP: 0018:ffffc900001e0a50 EFLAGS: 00000046
RAX: 1ffff1102119f60e RBX: 00000016bc598f84 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888108cfb070
RBP: ffff888108cfb038 R08: ffff88810a224027 R09: 0000000000000000
R10: ffff88810a224018 R11: ffffed1021444805 R12: ffff888108cfb010
R13: dffffc0000000000 R14: ffff888108cfb018 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558912d608 CR3: 0000000028d50000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 enqueue_entity+0x3fe/0x1120
 enqueue_task_fair+0x4a4/0x1470
 enqueue_task+0x75/0x420
 ttwu_do_activate+0x1f3/0x870
 try_to_wake_up+0x721/0x12b0
 hrtimer_wakeup+0x4e/0x60
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:pv_native_safe_halt+0x13/0x20
Code: 53 e7 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d f3 b6 0e 00 f3 0f 1e fa fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000177de0 EFLAGS: 00000282
RAX: 288c8a80fcaeb500 RBX: ffffffff819683b8 RCX: 288c8a80fcaeb500
RDX: 0000000000000001 RSI: ffffffff8be33660 RDI: ffffffff819683b8
RBP: ffffc90000177f20 R08: ffff888136632f9b R09: 1ffff11026cc65f3
R10: dffffc0000000000 R11: ffffed1026cc65f4 R12: ffffffff8fa38330
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110200d6000
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x147
 </TASK>
