INFO: task syz-executor.0:9620 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc2-syzkaller-00435-g9fe30842a90b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:9620  tgid:9620  ppid:8194   flags:0x0000000d
Call trace:
 __switch_to+0x1c8/0x2a0 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0xad8/0x2b14 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0xd0/0x304 kernel/sched/core.c:6838
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6895
 __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_release+0x104/0x51c block/bdev.c:1050
 blkdev_release+0x14/0x24 block/fops.c:628
 __fput+0x1a4/0x92c fs/file_table.c:422
 __fput_sync+0x74/0x84 fs/file_table.c:507
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __arm64_sys_close+0x6c/0xbc fs/open.c:1541
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffff80008692c4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x44/0x2d4 kernel/locking/lockdep.c:6608
2 locks held by getty/3107:
 #0: ffff000012ebc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008971d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x93c/0xe9c drivers/tty/n_tty.c:2201
1 lock held by udevd/8210:
 #0: ffff000010de34c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x2bc/0xa48 block/bdev.c:868
1 lock held by syz-executor.0/9620:
 #0: ffff000010de34c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x104/0x51c block/bdev.c:1050
1 lock held by syz-executor.0/11593:
 #0: ffff000010de34c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x2bc/0xa48 block/bdev.c:868

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