INFO: task udevd:22895 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:22200 pid:22895 tgid:22895 ppid:5258   task_flags:0x400140 flags:0x00080802
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x6d8/0xbc0
 do_read_cache_folio+0x1ad/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x92/0xef0
 bdev_disk_changed+0x7ba/0x1550
 blkdev_get_whole+0x380/0x510
 bdev_open+0x31e/0xd30
 blkdev_open+0x470/0x610
 do_dentry_open+0x785/0x14e0
 vfs_open+0x3b/0x340
 path_openat+0x2e08/0x3860
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x113/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4f2dd169a4
RSP: 002b:00007ffce1440be0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055cd44465780 RCX: 00007f4f2dd169a4
RDX: 00000000000a0800 RSI: 000055cd444466b0 RDI: 00000000ffffff9c
RBP: 000055cd444466b0 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055cd4445c950 R14: 0000000000000001 R15: 000055cd44445910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5633:
 #0: ffff88816f1360a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
6 locks held by kworker/0:3/5842:
 #0: ffff888104eff148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90004df7c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88816e3f91e0 (&dev->mutex){....}-{4:4}, at: hub_event+0x17f/0x4f30
 #3: ffff88816e3fe560 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x217a/0x4f30
 #4: ffff88816e33f068 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x21a2/0x4f30
 #5: ffff88812103ae60 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150
6 locks held by kworker/0:7/17453:
 #0: ffff888104eff148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90003727c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88816e5911e0 (&dev->mutex){....}-{4:4}
, at: hub_event+0x17f/0x4f30
 #3: ffff88816e4ef560 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x217a/0x4f30
 #4: ffff88816e4b4d68 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x21a2/0x4f30
 #5: ffffffff8f4767f0 (ehci_cf_port_reset_rwsem){.+.+}-{4:4}, at: hub_port_reset+0x14e/0x1840
1 lock held by udevd/22895:
 #0: ffff88816b364358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by syz.7.6411/29475:
 #0: ffff88816b364358 (&disk->open_mutex){+.+.}-{4:4}, at: sync_bdevs+0x27e/0x470
1 lock held by syz.7.6411/29488:
 #0: ffff88816b364358 (&disk->open_mutex){+.+.}-{4:4}, at: sync_bdevs+0x27e/0x470

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

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+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 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: 5842 Comm: kworker/0:3 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
Workqueue: usb_hub_wq hub_event
RIP: 0010:pie_calculate_probability+0x527/0x7e0
Code: 79 f8 4c 8b 7d 00 4c 89 ff 48 89 de e8 52 96 0f f8 49 39 df 73 49 48 8b 44 24 20 42 80 3c 20 00 74 08 4c 89 f7 e8 f9 e0 79 f8 <49> 8b 1e 31 ff 48 89 de e8 ac 98 0f f8 48 85 db 4c 8b 7c 24 18 74
RSP: 0018:ffffc90000007b88 EFLAGS: 00000246
RAX: 1ffff9200498bd26 RBX: 000000000001c9c3 RCX: ffff88810cd7ba80
RDX: 0000000000000100 RSI: 000000000001c9c3 RDI: 0000000000000000
RBP: ffffc90024c5e918 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f74 R12: dffffc0000000000
R13: ffff8881099f0ada R14: ffffc90024c5e930 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88818de57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f45c67e9f00 CR3: 000000000e54c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 fq_pie_timer+0x288/0x5b0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:vprintk_emit+0x45d/0x560
Code: 0f 84 44 ff ff ff e8 32 3a 21 00 fb eb 44 e8 2a 3a 21 00 e8 c5 ad 0a 0a 4d 85 f6 74 94 e8 1b 3a 21 00 fb 48 c7 c7 00 0a 75 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 6b 16
RSP: 0018:ffffc90004df67a0 EFLAGS: 00000287
RAX: ffffffff81a474d5 RBX: ffffffff81a4734f RCX: 0000000000100000
RDX: ffffc900287ee000 RSI: 000000000003acba RDI: ffffffff8e750a00
RBP: ffffc90004df6850 R08: ffffffff9011c9b7 R09: 1ffffffff2023936
R10: dffffc0000000000 R11: fffffbfff2023937 R12: 0000000000000000
R13: 0000000000000029 R14: 0000000000000200 R15: 1ffff920009becf8
 dev_vprintk_emit+0x355/0x420
 dev_printk_emit+0xee/0x140
 _dev_info+0x11e/0x180
 wdm_create+0x12b6/0x1720
 wdm_probe+0x211/0x310
 usb_probe_interface+0x668/0xc90
 really_probe+0x267/0xaf0
 __driver_probe_device+0x18c/0x320
 driver_probe_device+0x4f/0x240
 __device_attach_driver+0x279/0x430
 bus_for_each_drv+0x258/0x2f0
 __device_attach+0x2c5/0x450
 device_initial_probe+0xa1/0xd0
 bus_probe_device+0x12a/0x220
 device_add+0x7b6/0xb70
 usb_set_configuration+0x1a87/0x2110
 usb_generic_driver_probe+0x8d/0x150
 usb_probe_device+0x1c4/0x3b0
 really_probe+0x267/0xaf0
 __driver_probe_device+0x18c/0x320
 driver_probe_device+0x4f/0x240
 __device_attach_driver+0x279/0x430
 bus_for_each_drv+0x258/0x2f0
 __device_attach+0x2c5/0x450
 device_initial_probe+0xa1/0xd0
 bus_probe_device+0x12a/0x220
 device_add+0x7b6/0xb70
 usb_new_device+0xa08/0x16f0
 hub_event+0x2a1c/0x4f30
 process_scheduled_works+0xb6e/0x18c0
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
