INFO: task syz.2.733:11215 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.733       state:D stack:14696 pid:11215 tgid:11214 ppid:10162  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: 0033:0x7fc058d9038a
RSP: 002b:00007fc059b2ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc059b2aef0 RCX: 00007fc058d9038a
RDX: 00002000000000c0 RSI: 0000200000000000 RDI: 00007fc059b2aeb0
RBP: 00002000000000c0 R08: 00007fc059b2aef0 R09: 0000000000810000
R10: 0000000000810000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007fc059b2aeb0 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: 23003 Comm: syz-executor 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:deref_stack_reg+0x5f/0x230
Code: 04 24 74 16 48 89 df e8 3f 2d b0 00 4c 8b 04 24 48 be 00 00 00 00 00 fc ff df 48 89 5c 24 10 49 8b 5f 08 4d 8d 77 10 4d 89 f5 <49> c1 ed 03 41 80 7c 35 00 00 74 16 4c 89 f7 e8 0d 2d b0 00 4c 8b
RSP: 0018:ffffc90002fff1e0 EFLAGS: 00000246
RAX: fffffffffffffff0 RBX: ffffc90002ff8000 RCX: 0000000000000000
RDX: ffffc90002fff348 RSI: dffffc0000000000 RDI: ffffc90002fff308
RBP: dffffc0000000000 R08: ffffc90002fff5b0 R09: 0000000000000000
R10: ffffc90002fff358 R11: fffff520005ffe6d R12: 1ffff920005ffe62
R13: ffffc90002fff318 R14: ffffc90002fff318 R15: ffffc90002fff308
FS:  000055555a747500(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005571e1a887e8 CR3: 000000012a11e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 unwind_next_frame+0x17c4/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 free_unref_folios+0xdbd/0x1520
 folios_put_refs+0x559/0x640
 shmem_undo_range+0x49e/0x14b0
 shmem_evict_inode+0x272/0xa70
 evict+0x504/0x9c0
 do_unlinkat+0x39f/0x560
 __x64_sys_unlink+0x47/0x50
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffb54f8e197
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 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:00007fffa86b3798 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb54f8e197
RDX: 00007fffa86b37c0 RSI: 00007fffa86b3850 RDI: 00007fffa86b3850
RBP: 00007fffa86b3850 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007fffa86b48e0
R13: 00007ffb55011c05 R14: 000000000007cebf R15: 00007fffa86b4920
 </TASK>
