INFO: task syz-executor:18369 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21592 pid:18369 tgid:18369 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x14ef/0x4fb0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x6d8/0xbc0
 __filemap_get_folio_mpol+0x13e/0xb00
 truncate_inode_pages_range+0x48b/0xe30
 evict+0x631/0xb10
 evict_inodes+0x75a/0x7f0
 generic_shutdown_super+0x9a/0x2c0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x2b7/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f405d79bf17
RSP: 002b:00007ffc7ddf9da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f405d80471f RCX: 00007f405d79bf17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc7ddf9e60
RBP: 00007ffc7ddf9e60 R08: 00007ffc7ddfae60 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7ddfaef0
R13: 00007f405d80471f R14: 00000000000a2a41 R15: 00007ffc7ddfaf30
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
1 lock held by syslogd/5266:
 #0: ffff88812103a918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
2 locks held by getty/5661:
 #0: ffff88816a7cc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900024482f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
6 locks held by kworker/0:6/5907:
 #0: ffff888104a92148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
 #1: ffffc90005897bc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
 #2: ffff88810b3d2198 (&dev->mutex){....}-{4:4}, at: hub_event+0x17f/0x4f30
 #3: ffff88810b3d5518 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x217a/0x4f30
 #4: ffff88810b45c368 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x21a2/0x4f30
 #5: ffffffff8f0547f0 (ehci_cf_port_reset_rwsem){.+.+}-{4:4}, at: hub_port_reset+0x14e/0x1840
4 locks held by kworker/u9:4/16051:
1 lock held by syz-executor/18369:
 #0: ffff888175dc00e0 (&type->s_umount_key#119){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0
1 lock held by syz.0.3606/23009:
1 lock held by rm/23018:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xf90/0xfe0
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 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: 23014 Comm: dhcpcd-run-hook Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:stack_depot_save_flags+0x156/0x810
Code: c8 31 c5 c1 c0 18 29 c5 48 8b 05 e5 b7 3d 15 8b 0d d7 b7 3d 15 21 e9 48 c1 e1 04 4c 8d 24 08 65 ff 05 6e fe fd 0d 4c 8b 3c 08 <4d> 39 e7 44 89 2c 24 74 05 45 89 d5 eb 34 45 31 ff e9 85 00 00 00
RSP: 0018:ffffc90008abf848 EFLAGS: 00000086
RAX: ffff88823b400000 RBX: 0000000000000801 RCX: 000000000025b9d0
RDX: 00000000ffc04472 RSI: 0000000000000001 RDI: 00000000ce3a7014
RBP: 0000000072f25b9d R08: 00000000f4752b13 R09: 000000004fbdb8a5
R10: 000000000000000b R11: ffffffff81ae5d00 R12: ffff88823b65b9d0
R13: 0000000000000820 R14: ffffc90008abf8a0 R15: ffff8881130ea130
FS:  00007f18308b9380(0000) GS:ffff88818e324000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d56eb94161 CR3: 0000000111868000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 kasan_save_track+0x4f/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x370/0x6e0
 __send_signal_locked+0x22a/0xeb0
 do_notify_parent+0xb79/0xd90
 do_exit+0x1377/0x2310
 do_group_exit+0x21b/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x2210/0x2210
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f18309f3a90
Code: Unable to access opcode bytes at 0x7f18309f3a66.
RSP: 002b:00007ffcc94abcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000055d56eb88910 RCX: 00007f18309f3a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00007ffcc94ac028 R08: 000055d56eb88c58 R09: 308504daa809fede
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc94ac020
R13: 00007ffcc94ac030 R14: 000055d54c7e3169 R15: 00007f1830bf2a80
 </TASK>
