INFO: task syz-executor:11090 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21832 pid:11090 tgid:11090 ppid:1      task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 __filemap_get_folio+0x139/0xaf0
 truncate_inode_pages_range+0x3ed/0xda0
 evict+0x517/0x9c0
 evict_inodes+0x64c/0x6d0
 generic_shutdown_super+0x9a/0x2c0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x425/0x4c0
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ac618ff17
RSP: 002b:00007ffedebff428 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f9ac6211c05 RCX: 00007f9ac618ff17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffedebff4e0
RBP: 00007ffedebff4e0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffedec00570
R13: 00007f9ac6211c05 R14: 0000000000048901 R15: 00007ffedec005b0
 </TASK>

Showing all locks held in the system:
5 locks held by kworker/u8:0/12:
 #0: ffff88801b2f7148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc900000f7bc0 (net_cleanup_work
){+.+.}-{0:0}
, at: process_scheduled_works+0x9ef/0x17b0
 #2: 
ffffffff8f52bdb0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf7/0x800
 #3: ffffffff8f538c48 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x2a4/0x990
 #4: ffffffff8e13f9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
1 lock held by khungtaskd/34:
 #0: ffffffff8e139f20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by dhcpcd/5593:
 #0: 
ffff88804874c6d0 (
nlk_cb_mutex-ROUTE
){+.+.}-{4:4}, at: __netlink_dump_start+0xfe/0x7e0
 #1: 
ffffffff8f538c48
 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dumpit+0x92/0x200
2 locks held by getty/5674:
 #0: ffff8880285290a0 (&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
3 locks held by kworker/0:6/8278:
 #0: 
ffff88801a480d48
 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc9000329fbc0 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f538c48 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20
3 locks held by kworker/0:7/8280:
 #0: ffff88801a480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc9000333fbc0
 (
(work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffff888030bb1240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x26b/0x3180
1 lock held by syz-executor/11090:
 #0: ffff8880302d00e0 (&type->s_umount_key#105){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
1 lock held by syz.5.993/14336:
 #0: ffff8880302d00e0 (&type->s_umount_key#105){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
2 locks held by syz-executor/14475:
 #0: ffff88802f59a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e13f880 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x570
4 locks held by syz.9.1104/15196:
1 lock held by syz-executor/15197:
 #0: 
ffffffff8f538c48
 (
rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0

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

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: 15196 Comm: syz.9.1104 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:__sanitizer_cov_trace_pc+0x0/0x70
Code: 89 fb e8 23 00 00 00 48 8b 3d e4 56 fe 0b 48 89 de 5b e9 43 9d 58 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 80 a0 92 65 8b 15 08 d2
RSP: 0018:ffffc900001e09b0 EFLAGS: 00000297
RAX: ffffffff822c7ead RBX: dffffc0000000000 RCX: ffff88810c40b980
RDX: 0000000000000100 RSI: 000000000000407f RDI: 0000000000000000
RBP: ffff88801c1427a4 R08: ffff88801c142767 R09: 1ffff110038284ec
R10: dffffc0000000000 R11: ffffed10038284ed R12: 000000000003407f
R13: 0000000000003b5c R14: 0000000000000001 R15: ffff88801c1427b0
FS:  00007f482c89a6c0(0000) GS:ffff8881a3c18000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005644cd9220b8 CR3: 000000010f9ba000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __update_page_owner_free_handle+0x173/0x470
 __reset_page_owner+0x85/0x1f0
 __free_frozen_pages+0xbc4/0xd30
 __tlb_remove_table+0x2d2/0x3b0
 tlb_remove_table_rcu+0x85/0x100
 rcu_core+0xcab/0x1770
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:vprintk_emit+0x58f/0x7a0
Code: 85 32 01 00 00 e8 11 87 1f 00 41 89 df 4d 85 f6 48 8b 1c 24 75 07 e8 00 87 1f 00 eb 06 e8 f9 86 1f 00 fb 48 c7 c7 c0 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:ffffc90004596a00 EFLAGS: 00000246
RAX: ffffffff81a02717 RBX: ffffffff81a025d4 RCX: 0000000000080000
RDX: ffffc90007f99000 RSI: 000000000007ffff RDI: ffffffff8e12e1c0
RBP: ffffc90004596b10 R08: ffffffff8fa39037 R09: 1ffffffff1f47206
R10: dffffc0000000000 R11: fffffbfff1f47207 R12: dffffc0000000000
R13: 1ffff920008b2d44 R14: 0000000000000200 R15: 0000000000000008
 _printk+0xcf/0x120
 __show_mem+0x1b5d/0x2190
 warn_alloc+0x2dd/0x310
 __vmalloc_node_range_noprof+0x67e/0x12f0
 __kvmalloc_node_noprof+0x3b8/0x5f0
 bch2_fs_journal_start+0x2b4/0x12b0
 bch2_fs_recovery+0x2298/0x3a50
 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: 0033:0x7f482b99038a
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:00007f482c899e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f482c899ef0 RCX: 00007f482b99038a
RDX: 0000200000000000 RSI: 0000200000000180 RDI: 00007f482c899eb0
RBP: 0000200000000000 R08: 00007f482c899ef0 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 0000200000000180
R13: 00007f482c899eb0 R14: 00000000000059bb R15: 0000200000000480
 </TASK>
