INFO: task udevd:15329 blocked 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:21336 pid:15329 tgid:15329 ppid:5055   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x836/0xbc0
 do_read_cache_folio+0x1ac/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x92/0xef0
 bdev_disk_changed+0x785/0x14c0
 blkdev_get_whole+0x372/0x510
 bdev_open+0x324/0xd70
 blkdev_open+0x461/0x600
 do_dentry_open+0x7a4/0x1230
 vfs_open+0x3b/0x340
 path_openat+0x3642/0x4050
 do_filp_open+0x23f/0x4a0
 do_sys_openat2+0x12f/0x220
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6185b169a4
RSP: 002b:00007fffa2fce110 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000559584072e10 RCX: 00007f6185b169a4
RDX: 00000000000a0800 RSI: 0000559584058ec0 RDI: 00000000ffffff9c
RBP: 0000559584058ec0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000559584062950 R14: 0000000000000001 R15: 000055958404b910
 </TASK>

Showing all locks held in the system:
2 locks held by rcu_tasks_trace/31:
 #0: ffffffff8e357b90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{4:4}, at: rcu_tasks_one_gp+0xb2a/0xe20
 #1: ffffffff8e35d738 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3f2/0x7e0
1 lock held by khungtaskd/35:
 #0: ffffffff8e356e40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by kworker/u9:4/135:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #1: ffffc90003217b80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
3 locks held by kworker/u10:14/3896:
 #0: ffff888100089948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #1: ffffc9002217fb80 ((work_completion)(&copy->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #2: ffffffff8e357cd0 (rcu_tasks_trace.barrier_q_mutex){+.+.}-{4:4}, at: rcu_barrier_tasks_generic+0x64/0x480
2 locks held by getty/5434:
 #0: ffff8881115f10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900033a02f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x13a0
1 lock held by udevd/15329:
 #0: ffff88810a89e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
2 locks held by kworker/u9:22/17823:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #1: ffffc9000855fb80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
2 locks held by syz.2.5700/25620:
 #0: ffffffff8f7493a8 (bpf_dispatcher_xdp.mutex){+.+.}-{4:4}, at: bpf_dispatcher_change_prog+0xc2/0xf20
 #1: ffffffff8e35d738 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3f2/0x7e0
1 lock held by modprobe/25624:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 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+0x1a9/0x280
 nmi_cpu_backtrace+0x3a9/0x3e0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xf54/0xfa0
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 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: 16245 Comm: kworker/u10:23 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: events_unbound toggle_allocation_gate
RIP: 0010:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 90 66 00 0a cc 89 f6 31 d2 e9 26 f9 5a 03 66 0f 1f 44 00
RSP: 0018:ffffc90000007e48 EFLAGS: 00000046
RAX: 0000000000000278 RBX: ffff888121023e40 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000278 RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffffff81b11165 R09: 0000000000080000
R10: 0000000000000000 R11: ffffffff8172bab0 R12: 000000001000416e
R13: dffffc0000000000 R14: 0000000000000278 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88818e448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f20b2fc5440 CR3: 000000000e144000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1c9/0x350
 hrtimer_interrupt+0xb56/0x1060
 __sysvec_apic_timer_interrupt+0x102/0x3d0
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:smp_call_function_many_cond+0xd66/0x12b0
Code: 45 8b 34 24 44 89 f6 83 e6 01 31 ff e8 a3 db 0b 00 41 83 e6 01 49 be 00 00 00 00 00 fc ff df 75 07 e8 4e d7 0b 00 eb 38 f3 90 <42> 0f b6 04 33 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 32 d7
RSP: 0018:ffffc900051c7620 EFLAGS: 00000293
RAX: ffffffff81b806fe RBX: 1ffff110478c8129 RCX: ffff88816bf2d7c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900051c77a0 R08: ffffffff8fc6a777 R09: 1ffffffff1f8d4ee
R10: dffffc0000000000 R11: fffffbfff1f8d4ef R12: ffff88823c640948
R13: ffff88812103bb08 R14: dffffc0000000000 R15: 0000000000000001
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0xb27/0x1110
 arch_jump_label_transform_apply+0x1c/0x30
 static_key_disable_cpuslocked+0xc5/0x1a0
 static_key_disable+0x1a/0x20
 toggle_allocation_gate+0x1bd/0x250
 process_scheduled_works+0xa2f/0x1470
 worker_thread+0xe79/0x1460
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
