INFO: task udevd:5820 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:21896 pid:5820  tgid:5820  ppid:5270   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 do_read_cache_folio+0x1aa/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x8c/0xf30
 bdev_disk_changed+0x75f/0x14b0
 blkdev_get_whole+0x380/0x510
 bdev_open+0x31e/0xd30
 blkdev_open+0x3a8/0x510
 do_dentry_open+0xdf3/0x1970
 vfs_open+0x3b/0x340
 path_openat+0x2ee5/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff4e6f169a4
RSP: 002b:00007ffeceacefc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005573e4f169e0 RCX: 00007ff4e6f169a4
RDX: 00000000000a0800 RSI: 00005573e4f0e1e0 RDI: 00000000ffffff9c
RBP: 00005573e4f0e1e0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 00005573e4f0d900 R14: 0000000000000001 R15: 00005573e4ef6910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e13c4e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5653:
 #0: ffff888027bcc0a0 (&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
1 lock held by udevd/5820:
 #0: ffff888107007358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by syz-executor/13699:
3 locks held by kworker/1:0/13717:
1 lock held by syz.1.2760/13915:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 Comm: khungtaskd Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f #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: 13717 Comm: kworker/1:0 Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events drain_vmap_area_work
RIP: 0010:__lock_acquire+0x50c/0xd20
Code: 49 83 c7 28 41 89 c4 48 39 cb 0f 8d d6 00 00 00 48 83 fb 31 0f 83 92 00 00 00 41 8b 07 25 ff 1f 00 00 48 0f a3 05 d4 4a 04 12 <73> 10 48 69 c0 c8 00 00 00 48 8d 88 30 c3 42 93 eb 40 83 3d 3b da
RSP: 0018:ffffc9000bf17500 EFLAGS: 00000007
RAX: 0000000000000017 RBX: 0000000000000003 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000000000005 RDI: ffff8881095c0000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff822deb2a
R10: dffffc0000000000 R11: ffffed10037e7420 R12: 0000000000000004
R13: 0000000000000001 R14: ffff8881095c0b90 R15: ffff8881095c0b88
FS:  0000000000000000(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f735dce7d60 CR3: 000000000df38000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0x120/0x360
 __page_table_check_zero+0xd7/0x530
 __free_frozen_pages+0xc84/0xe70
 kasan_depopulate_vmalloc_pte+0x74/0xa0
 __apply_to_page_range+0xb92/0x1380
 kasan_release_vmalloc+0xa2/0xd0
 purge_vmap_node+0x214/0x8f0
 __purge_vmap_area_lazy+0x7a4/0xb40
 drain_vmap_area_work+0x27/0x40
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
