INFO: task syz.3.4522:16502 blocked for more than 430 seconds.
      Not tainted 6.15.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4522      state:D stack:0     pid:16502 tgid:16501 ppid:16028  task_flags:0x400140 flags:0x0040000d
Call trace:
 __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xd34/0x3188 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xd0/0x344 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
 __mutex_lock_common kernel/locking/mutex.c:678 [inline]
 __mutex_lock+0x5d8/0x9d8 kernel/locking/mutex.c:746
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:798
 bdev_release+0x104/0x510 block/bdev.c:1128
 blkdev_release+0x14/0x24 block/fops.c:660
 __fput+0x2c8/0x954 fs/file_table.c:465
 ____fput+0x14/0x20 fs/file_table.c:493
 task_work_run+0x128/0x210 kernel/task_work.c:227
 get_signal+0x174/0x1ba8 kernel/signal.c:2807
 do_signal+0x1f4/0x620 arch/arm64/kernel/signal.c:1658
 do_notify_resume+0x18c/0x258 arch/arm64/kernel/entry-common.c:148
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc_compat+0xfc/0x17c arch/arm64/kernel/entry-common.c:888
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:897
 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:605

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff8000872bd920 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 kernel/locking/lockdep.c:6758
1 lock held by syslogd/3108:
 #0: ffff00006a0d4fd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:605 [inline]
 #0: ffff00006a0d4fd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1513 [inline]
 #0: ffff00006a0d4fd8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1837 [inline]
 #0: ffff00006a0d4fd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x318/0x3188 kernel/sched/core.c:6691
2 locks held by getty/3248:
 #0: ffff0000168030a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008d54b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0xdb4 drivers/tty/n_tty.c:2222
3 locks held by sshd-session/3302:
1 lock held by syz-executor/3303:
1 lock held by udevd/16495:
 #0: ffff000014928358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:945
1 lock held by syz.3.4522/16502:
 #0: ffff000014928358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 block/bdev.c:1128
1 lock held by udevd/18616:

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