INFO: task udevd:17258 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:26856 pid:17258 tgid:17258 ppid:5040   task_flags:0x400140 flags:0x00080802
Call Trace:
 <TASK>
 __schedule+0x17db/0x58f0
 schedule+0x164/0x2b0
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x836/0xbc0
 do_read_cache_folio+0x1ac/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x9a/0x7a0
 bdev_disk_changed+0x851/0x17a0
 blkdev_get_whole+0x372/0x510
 bdev_open+0x324/0xd70
 blkdev_open+0x461/0x600
 do_dentry_open+0x816/0x1380
 vfs_open+0x3b/0x340
 path_openat+0x1443/0x1d60
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f56379169a4
RSP: 002b:00007fff1aca23f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055dc73de4500 RCX: 00007f56379169a4
RDX: 00000000000a0800 RSI: 000055dc73e08800 RDI: 00000000ffffff9c
RBP: 000055dc73e08800 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055dc73dfb950 R14: 0000000000000001 R15: 000055dc73de4910
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/34: 1, last CPU#1:
 #0: ffffffff8ed5c760 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
locks held by dhcpcd/5336: 1, on CPU#1:
 #0: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x470/0x19f0
locks held by getty/5419: 2, on CPU#0:
 #0: ffff88811a96a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000347b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
locks held by kworker/u10:13/6334: 3, on CPU#1:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc90004527c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
locks held by kworker/0:28/9058: 2, last CPU#0:
 #0: ffff888166ae7940 ((wq_completion)wg-crypt-wg2#9){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc900039f7c40 ((work_completion)(&({ do { const void *__vpp_verify = (typeof(
 #1: ffffc900039f7c40 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
locks held by kworker/0:31/9061: 4, last CPU#0:
 #0: ffff8881bea53d40 ((wq_completion)wg-crypt-wg1#9){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc900039c7c40 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffff8881a1f0a898 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x67/0x14d0
 #3: ffff88812103bb20 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160
locks held by udevd/17258: 1, on CPU#0:
 #0: ffff88810d079350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
locks held by kworker/u8:4/18057: 3, on CPU#1:
 #0: ffff8881175b6140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc90004c6fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x116/0x15c0
locks held by kworker/0:0/18330: 1, last CPU#0:
 #0: ffffffff8ed5c760 (rcu_read_lock){....}-{1:3}, at: process_scheduled_works+0x97a/0x1630
locks held by syz.0.11883/18578: 1, last CPU#1:
 #0: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0
locks held by syz.0.11883/18579: 1, on CPU#1:
 #0: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x7a4/0x1150
locks held by syz.1.11886/18601: 2, on CPU#0:
 #0: ffff88811e75e6e8 (nlk_cb_mutex-ROUTE){+.+.}-{4:4}, at: __netlink_dump_start+0xf4/0x7b0
 #1: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dumpit+0x92/0x200
locks held by syz.9.11887/18603: 1, on CPU#0:
 #0: ffffffff902517c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x767/0xc00

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

NMI backtrace for cpu 1
CPU: 1 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+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17d/0x390
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 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: 9061 Comm: kworker/0:31 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
Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker
RIP: 0010:__lock_acquire+0x1877/0x2de0
Code: 8d 84 24 90 00 00 00 48 89 05 15 99 f7 14 31 ff 45 31 ff 4d 85 ff 4c 8b 74 24 10 74 2e 49 8b 47 30 48 85 c0 74 25 48 8b 40 10 <48> 83 c0 30 49 8b 0f 48 89 8c 24 d8 00 00 00 48 39 c1 74 0d 4c 8b
RSP: 0018:ffffc900039c70c0 EFLAGS: 00000086
RAX: ffffffff943d28c8 RBX: 00000000000003fd RCX: 000000000006f9a3
RDX: 0000000000000008 RSI: ffff888116ba8c28 RDI: 00000000000003fd
RBP: 605c236b790ff2cf R08: ffffc900039c7088 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff81a39650 R12: 0000000000000385
R13: ffffffff94410478 R14: ffff888116ba8c28 R15: ffffffff97203348
FS:  0000000000000000(0000) GS:ffff88818d6d6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7066d9ff8 CR3: 000000019f7ae000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0x115/0x350
 psi_write_begin+0xa9/0x160
 psi_task_switch+0x57/0x7d0
 __schedule+0x2a95/0x58f0
 preempt_schedule_common+0x7f/0xd0
 preempt_schedule_thunk+0x16/0x40
 __local_bh_enable_ip+0xe9/0x140
 wg_packet_decrypt_worker+0xd24/0xda0
 process_scheduled_works+0xc3d/0x1630
 worker_thread+0xa47/0xfb0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
