INFO: task syz-executor.2:14885 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:0     pid:14885 ppid:11976  flags:0x0000000c
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6710
 schedule+0xc4/0x170 kernel/sched/core.c:6786
 io_schedule+0x8c/0x12c kernel/sched/core.c:9028
 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1304
 __folio_lock mm/filemap.c:1632 [inline]
 folio_lock include/linux/pagemap.h:959 [inline]
 __filemap_get_folio+0x1e4/0x964 mm/filemap.c:1899
 truncate_inode_pages_range+0x444/0xf74 mm/truncate.c:377
 truncate_inode_pages+0x2c/0x3c mm/truncate.c:449
 kill_bdev block/bdev.c:76 [inline]
 blkdev_flush_mapping+0x134/0x280 block/bdev.c:647
 blkdev_put_whole block/bdev.c:678 [inline]
 blkdev_put+0x534/0x740 block/bdev.c:915
 blkdev_release+0x84/0x9c block/fops.c:533
 __fput+0x324/0x824 fs/file_table.c:384
 ____fput+0x20/0x30 fs/file_table.c:412
 task_work_run+0x230/0x2e0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x63c/0x1f58 kernel/exit.c:874
 do_group_exit+0x194/0x22c kernel/exit.c:1024
 get_signal+0x14b0/0x159c kernel/signal.c:2881
 do_signal arch/arm64/kernel/signal.c:1249 [inline]
 do_notify_resume+0x3cc/0x3c90 arch/arm64/kernel/signal.c:1302
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffff80008e2718d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
 #0: ffff80008e271c90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
 #0: ffff80008e271700 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302
1 lock held by syslogd/5593:
 #0: ffff0001b41ea998 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:558 [inline]
 #0: ffff0001b41ea998 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1366 [inline]
 #0: ffff0001b41ea998 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1675 [inline]
 #0: ffff0001b41ea998 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2d8/0x23b4 kernel/sched/core.c:6627
1 lock held by klogd/5597:
2 locks held by getty/5745:
 #0: ffff0000d42cb098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800093ffd2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2187
3 locks held by kworker/u4:5/6120:
1 lock held by syz-executor.2/14885:
 #0: ffff0000ccbb34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xec/0x740 block/bdev.c:901
1 lock held by syz-executor.2/15026:
 #0: ffff0000ccbb34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c block/bdev.c:803
1 lock held by syz-executor.2/15027:
 #0: ffff0000ccbb34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c block/bdev.c:803
1 lock held by syz-executor.2/15102:
 #0: ffff0000ccbb34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c block/bdev.c:803

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