INFO: task udevd:6826 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:0     pid:6826  tgid:6826  ppid:6216   task_flags:0x400140 flags:0x00800011
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 io_schedule+0x84/0xf4 kernel/sched/core.c:7789
 folio_wait_bit_common+0x56c/0x9e0 mm/filemap.c:1323
 folio_put_wait_locked mm/filemap.c:1487 [inline]
 do_read_cache_folio+0x240/0x5c8 mm/filemap.c:4078
 read_cache_folio+0x68/0x88 mm/filemap.c:4128
 read_mapping_folio include/linux/pagemap.h:1017 [inline]
 read_part_sector+0xcc/0x6fc block/partitions/core.c:722
 adfspart_check_POWERTEC+0x90/0xd5c block/partitions/acorn.c:454
 check_partition block/partitions/core.c:141 [inline]
 blk_add_partitions block/partitions/core.c:589 [inline]
 bdev_disk_changed+0x674/0x11fc block/partitions/core.c:693
 blkdev_get_whole+0x2b0/0x4a4 block/bdev.c:765
 bdev_open+0x3b0/0xc20 block/bdev.c:974
 blkdev_open+0x364/0x4e8 block/fops.c:698
 do_dentry_open+0x68c/0x1154 fs/open.c:962
 vfs_open+0x44/0x2d4 fs/open.c:1094
 do_open fs/namei.c:4628 [inline]
 path_openat+0x2890/0x3114 fs/namei.c:4787
 do_filp_open+0x18c/0x36c fs/namei.c:4814
 do_sys_openat2+0x11c/0x1f0 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __arm64_sys_openat+0x120/0x158 fs/open.c:1447
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff80008fa5b520 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by pr/ttyAMA-1/43:
2 locks held by kworker/1:1H/57:
 #0: ffff0000c1d8b548 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff8000994a7be0 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
1 lock held by klogd/6205:
2 locks held by getty/6359:
 #0: ffff0000d59360a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800099f2b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfc8 drivers/tty/n_tty.c:2211
1 lock held by udevd/6826:
 #0: ffff0000cc491358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 block/bdev.c:962
4 locks held by kworker/0:8/7986:

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