INFO: task syz-executor.1:3528 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-syzkaller-01618-g680fb5b009e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid: 3528 ppid: 11763 flags:0x00000001
Call trace:
 __switch_to+0x180/0x28c arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x414/0x570 kernel/sched/core.c:6458
 schedule+0x6c/0xac kernel/sched/core.c:6530
 rwsem_down_read_slowpath+0x224/0x40c kernel/locking/rwsem.c:1077
 __down_read_common+0x48/0x144 kernel/locking/rwsem.c:1242
 __down_read kernel/locking/rwsem.c:1251 [inline]
 down_read+0x68/0x78 kernel/locking/rwsem.c:1491
 get_super+0xa0/0x144 fs/super.c:765
 fsync_bdev+0x20/0x80 block/bdev.c:217
 blkdev_flushbuf block/ioctl.c:352 [inline]
 blkdev_common_ioctl+0x504/0x1868 block/ioctl.c:477
 blkdev_ioctl+0x210/0x764 block/ioctl.c:608
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0xd0/0x140 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:624
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190

Showing all locks held in the system:
1 lock held by khungtaskd/26:
 #0: ffff80000d433140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:268
1 lock held by udevd/2551:
2 locks held by getty/2700:
 #0: ffff0000c65f1898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000ffa62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x878 drivers/tty/n_tty.c:2124
2 locks held by kworker/u4:7/3590:
1 lock held by syz-executor.0/7343:
3 locks held by syz-executor.0/7396:
1 lock held by syz-executor.1/11701:
1 lock held by syz-executor.5/11756:
1 lock held by udevd/19776:
1 lock held by syz-executor.3/25806:
1 lock held by syz-executor.4/5596:
1 lock held by syz-executor.2/19488:
1 lock held by syz-executor.1/3528:
 #0: ffff0000c88780e0 (&type->s_umount_key#53){++++}-{3:3}, at: get_super+0xa0/0x144 fs/super.c:765
2 locks held by syz-executor.2/12266:

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