INFO: task udevd:13394 blocked in I/O wait for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:0     pid:13394 tgid:13394 ppid:3195   task_flags:0x400140 flags:0x00000019
Call trace:
 __switch_to+0x20c/0x520 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0xf98/0x3500 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0xcc/0x294 kernel/sched/core.c:7326
 io_schedule+0xac/0x114 kernel/sched/core.c:8154
 folio_wait_bit_common+0x2a4/0x64c mm/filemap.c:1323
 folio_put_wait_locked mm/filemap.c:1492 [inline]
 do_read_cache_folio+0x238/0x3ec mm/filemap.c:4122
 read_cache_folio+0x44/0x74 mm/filemap.c:4172
 read_mapping_folio include/linux/pagemap.h:1015 [inline]
 read_part_sector+0xa4/0x5d8 block/partitions/core.c:724
 msdos_partition+0xec/0x1d5c block/partitions/msdos.c:571
 check_partition block/partitions/core.c:143 [inline]
 blk_add_partitions block/partitions/core.c:591 [inline]
 bdev_disk_changed+0x4e8/0xe90 block/partitions/core.c:695
 blkdev_get_whole+0x144/0x1f0 block/bdev.c:751
 bdev_open+0x1d4/0xa70 block/bdev.c:960
 blkdev_open+0x270/0x3f0 block/fops.c:672
 do_dentry_open+0x37c/0xfe8 fs/open.c:947
 vfs_open+0x5c/0x2fc fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x1bac/0x3560 fs/namei.c:4859
 do_file_open+0x18c/0x374 fs/namei.c:4888
 do_sys_openat2+0xdc/0x180 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __arm64_sys_openat+0x130/0x1e0 fs/open.c:1385
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x74/0x240 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x58/0x2a4 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff800087875240 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #0: ffff800087875240 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x40/0x190 kernel/locking/lockdep.c:6775
1 lock held by syslogd/3180:
1 lock held by udevd/3195:
2 locks held by getty/3320:
 #0: ffff00000eeca0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008db0b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x420/0xec0 drivers/tty/n_tty.c:2211
2 locks held by syz-executor/3375:
2 locks held by kworker/u8:4/7721:
3 locks held by kworker/1:0/7819:
3 locks held by kworker/u8:19/8375:
3 locks held by kworker/u8:0/12660:
1 lock held by udevd/13394:
 #0: ffff000014caf350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 block/bdev.c:948
2 locks held by syz-executor/13661:
1 lock held by syz-executor/14646:

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