INFO: task udevd:6216 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:21928 pid:6216  tgid:6216  ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 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: 0033:0x7fee743169a4
RSP: 002b:00007fff13e022e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055769073bf40 RCX: 00007fee743169a4
RDX: 00000000000a0800 RSI: 0000557690749e50 RDI: 00000000ffffff9c
RBP: 0000557690749e50 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055769074a770 R14: 0000000000000001 R15: 000055769071c910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13f160 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5653:
 #0: ffff88801c3120a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000276f2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
1 lock held by udevd/6216:
 #0: ffff888020586358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #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+0xfee/0x1030
 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: 17883 Comm: syz.1.3579 Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #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:__update_load_avg_se+0x75a/0xbc0
Code: ff ff 7f 41 0f b6 04 37 84 c0 0f 85 04 04 00 00 41 89 1e f3 0f 1e fa 48 8b 7c 24 20 e8 6f f7 ff ff b8 01 00 00 00 48 83 c4 48 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 4c 8b 7c 24 08 41
RSP: 0018:ffffc900076ef708 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffff88803ef68080 RCX: 00000000000003bb
RDX: ffff88803ef68001 RSI: dffffc0000000000 RDI: ffff88803ef6815c
RBP: 0000000000005800 R08: ffffffff8fa1f3f7 R09: 1ffffffff1f43e7e
R10: dffffc0000000000 R11: fffffbfff1f43e7f R12: 0000000000005800
R13: 1ffff11007ded02b R14: 0000006a73eeec00 R15: ffff88803ef68158
FS:  000055556a6cd500(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055751ea637e8 CR3: 00000000261d6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 update_load_avg+0x1b0/0x1880
 dequeue_entity+0x3f9/0x1690
 dequeue_entities+0x1fa/0x1510
 dequeue_task_fair+0x205/0x580
 __schedule+0x5a7/0x4d00
 schedule+0x165/0x360
 do_nanosleep+0x1c7/0x600
 hrtimer_nanosleep+0x169/0x360
 __se_sys_clock_nanosleep+0x2f1/0x380
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a98bc11e5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 54 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f 55 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffe16105f70 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f9a98db5fa0 RCX: 00007f9a98bc11e5
RDX: 00007ffe16105fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f9a98db7ba0 R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000074e96
R13: 00007f9a98db6160 R14: ffffffffffffffff R15: 00007ffe161060f0
 </TASK>
