INFO: task udevd:5819 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:21896 pid:5819  tgid:5819  ppid:1      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: 0033:0x7f856db169a4
RSP: 002b:00007fff79e82290 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000562655123f40 RCX: 00007f856db169a4
RDX: 00000000000a0800 RSI: 00005626551287b0 RDI: 00000000ffffff9c
RBP: 00005626551287b0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000562655115a50 R14: 0000000000000001 R15: 0000562655104910
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/u8:0/12:
 #0: ffff888136639f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
 #1: ffff888136624008 (per_cpu_ptr(&psi_seq, cpu)){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
1 lock held by khungtaskd/34:
 #0: ffffffff8e13c4e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5646:
 #0: ffff8881072260a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900026582f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
1 lock held by udevd/5819:
 #0: ffff888020e65358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by udevd/5827:
 #0: ffff888020f33358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by syz.2.6141/23737:
 #0: ffff888027379c68 (&pipe->mutex){+.+.}-{4:4}, at: __se_sys_vmsplice+0x3c9/0x10d0
1 lock held by syz.2.6141/23738:
 #0: ffff888027379c68 (&pipe->mutex){+.+.}-{4:4}, at: pipe_ioctl+0xc4/0x490
7 locks held by syz.2.6141/23739:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f-dirty #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: 23739 Comm: syz.2.6141 Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:pie_calculate_probability+0x5d9/0x7e0
Code: f8 85 db 0f 84 c1 00 00 00 e8 93 5d 30 f8 eb 05 e8 8c 5d 30 f8 48 8b 44 24 08 48 8d 78 10 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <74> 05 e8 50 81 93 f8 48 8b 44 24 08 48 c7 40 10 46 c3 23 00 48 8d
RSP: 0018:ffffc900001e0a90 EFLAGS: 00000246
RAX: 1ffff110248a073a RBX: 0000000000000000 RCX: ffff888020058000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881245039d0
RBP: ffff8881245039c8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200003c154 R12: dffffc0000000000
R13: ffff88811aa59b1a R14: 1ffff1102354b363 R15: 0000000000000000
FS:  00007fa2a196e6c0(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fc16f CR3: 000000011eabc000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 fq_pie_timer+0x288/0x5b0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:console_flush_all+0x7f7/0xc40
Code: 48 21 c3 0f 85 e9 01 00 00 e8 55 3a 1f 00 48 8b 5c 24 20 4d 85 f6 75 07 e8 46 3a 1f 00 eb 06 e8 3f 3a 1f 00 fb 48 8b 44 24 28 <42> 80 3c 20 00 74 08 48 89 df e8 1a 5d 82 00 48 8b 1b 48 8b 44 24
RSP: 0018:ffffc900035ff6a0 EFLAGS: 00000283
RAX: 1ffffffff1d36443 RBX: ffffffff8e9b2218 RCX: 0000000000080000
RDX: ffffc900210fb000 RSI: 0000000000000557 RDI: 0000000000000558
RBP: ffffc900035ff7f0 R08: ffffffff8fa07af7 R09: 1ffffffff1f40f5e
R10: dffffc0000000000 R11: fffffbfff1f40f5f R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8e9b21c0
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 do_ip_vs_set_ctl+0x8cd/0xa60
 nf_setsockopt+0x26f/0x290
 smc_setsockopt+0x232/0xab0
 do_sock_setsockopt+0x17c/0x1b0
 __x64_sys_setsockopt+0x13f/0x1b0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa2a0b8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa2a196e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fa2a0db6270 RCX: 00007fa2a0b8ebe9
RDX: 0000000000000482 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 00007fa2a0c11e19 R08: 000000000000002c R09: 0000000000000000
R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa2a0db6308 R14: 00007fa2a0db6270 R15: 00007ffe46d1c508
 </TASK>
