INFO: task syz-executor.0:7052 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:7052  tgid:7052  ppid:6616   flags:0x00000005
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x16e0/0x27d0 kernel/sched/core.c:6693
 __schedule_loop kernel/sched/core.c:6770 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6785
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6842
 __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+0x168/0x644 block/bdev.c:1087
 blkdev_release+0x20/0x34 block/fops.c:639
 __fput+0x1bc/0x75c fs/file_table.c:431
 __fput_sync+0x5c/0x94 fs/file_table.c:516
 __do_sys_close fs/open.c:1567 [inline]
 __se_sys_close fs/open.c:1552 [inline]
 __arm64_sys_close+0x14c/0x1d8 fs/open.c:1552
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff80008faafee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by getty/6182:
 #0: ffff0000ccae40a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b94b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
1 lock held by udevd/6633:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7052:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x168/0x644 block/bdev.c:1087
1 lock held by syz-executor.0/7069:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7070:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7092:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7093:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7109:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7110:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7126:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904
1 lock held by syz-executor.0/7127:
 #0: ffff0000caca94c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 block/bdev.c:904

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