INFO: task syz-executor.0:16513 blocked for more than 430 seconds.
      Tainted: G        W          6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:16513 tgid:16508 ppid:16226  flags:0x00400005
Call trace:
 __switch_to+0x1c8/0x2a0 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xad4/0x2b18 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xd0/0x304 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x4e8/0x840 kernel/locking/mutex.c:752
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:804
 bdev_open+0x2c4/0xa48 block/bdev.c:897
 blkdev_open+0x114/0x194 block/fops.c:615
 do_dentry_open+0x510/0x12e8 fs/open.c:955
 vfs_open+0x54/0x8c fs/open.c:1089
 do_open fs/namei.c:3650 [inline]
 path_openat+0x14a0/0x20ec fs/namei.c:3807
 do_filp_open+0x16c/0x330 fs/namei.c:3834
 do_sys_openat2+0x12c/0x160 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_compat_sys_openat fs/open.c:1480 [inline]
 __se_compat_sys_openat fs/open.c:1478 [inline]
 __arm64_compat_sys_openat+0x128/0x1b4 fs/open.c:1478
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x25c arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc_compat+0x40/0x64 arch/arm64/kernel/syscall.c:158
 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:852
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:862
 el0t_32_sync+0x194/0x198 arch/arm64/kernel/entry.S:603

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff800086a1e100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x44/0x2d4 kernel/locking/lockdep.c:6608
2 locks held by kworker/u8:9/2022:
 #0: ffff000009c31148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6dc/0x18a0 kernel/workqueue.c:3206
 #1: ffff80008bf47ce0 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x704/0x18a0 kernel/workqueue.c:3206
1 lock held by syslogd/3003:
1 lock held by udevd/3018:
2 locks held by getty/3136:
 #0: ffff0000146030a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008987d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x93c/0xe9c drivers/tty/n_tty.c:2201
1 lock held by udevd/16375:
 #0: ffff0000109294c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x2c4/0xa48 block/bdev.c:897
1 lock held by syz-executor.0/16510:
 #0: ffff0000109294c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x104/0x510 block/bdev.c:1080
1 lock held by syz-executor.0/16513:
 #0: ffff0000109294c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x2c4/0xa48 block/bdev.c:897
1 lock held by syz-executor.0/16968:
 #0: ffff0000109294c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x2c4/0xa48 block/bdev.c:897
2 locks held by syz-executor.1/17742:
1 lock held by dhcpcd-run-hook/17841:
4 locks held by syz-executor.0/17842:

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