INFO: task syz-executor.0:6692 blocked for more than 143 seconds.
      Not tainted 6.9.0-rc4-syzkaller-00050-g6a71d2909427 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6692  tgid:6692  ppid:6597   flags:0x00000005
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x14bc/0x24ec kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6838
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6895
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684
 __mutex_lock kernel/locking/mutex.c:752 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
 bdev_release+0x184/0x64c block/bdev.c:1050
 blkdev_release+0x20/0x34 block/fops.c:628
 __fput+0x30c/0x738 fs/file_table.c:422
 __fput_sync+0x60/0x9c fs/file_table.c:507
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __arm64_sys_close+0x150/0x1e0 fs/open.c:1541
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc 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: ffff80008f0578c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328
1 lock held by klogd/5849:
 #0: ffff0001b3e04c98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline]
 #0: ffff0001b3e04c98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline]
 #0: ffff0001b3e04c98 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline]
 #0: ffff0001b3e04c98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24ec kernel/sched/core.c:6654
2 locks held by getty/6004:
 #0: ffff0000d80b80a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800097bab2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
1 lock held by udevd/6596:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xc08 block/bdev.c:868
1 lock held by syz-executor.0/6692:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x184/0x64c block/bdev.c:1050
1 lock held by syz-executor.0/6974:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xc08 block/bdev.c:868
1 lock held by syz-executor.0/6975:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xc08 block/bdev.c:868
1 lock held by syz-executor.0/6991:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xc08 block/bdev.c:868
1 lock held by syz-executor.0/6992:
 #0: ffff0000ca14c4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xc08 block/bdev.c:868

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