INFO: task syz.3.51:6923 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.51        state:D stack:0     pid:6923  tgid:6923  ppid:6582   task_flags:0x400040 flags:0x00000019
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 request_wait_answer fs/fuse/dev.c:585 [inline]
 __fuse_request_send fs/fuse/dev.c:599 [inline]
 __fuse_simple_request+0xe04/0x1694 fs/fuse/dev.c:693
 fuse_simple_request fs/fuse/fuse_i.h:1263 [inline]
 fuse_flush+0x4bc/0x6a0 fs/fuse/file.c:494
 filp_flush+0xb8/0x190 fs/open.c:1533
 filp_close+0x28/0x48 fs/open.c:1546
 __range_close fs/file.c:790 [inline]
 __do_sys_close_range fs/file.c:849 [inline]
 __se_sys_close_range fs/file.c:813 [inline]
 __arm64_sys_close_range+0x318/0x5c4 fs/file.c:813
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff80008fa5b6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by pr/ttyAMA-1/43:
2 locks held by kworker/u8:13/2410:
 #0: ffff0000c0031948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff8000a26f7be0 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
3 locks held by udevd/6211:
1 lock held by dhcpcd/6265:
2 locks held by getty/6356:
 #0: ffff0000d5f820a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800099f1e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfc8 drivers/tty/n_tty.c:2211
1 lock held by udevd/6707:
3 locks held by syz-executor/8865:
3 locks held by syz.5.338/8884:
 #0: ffff0000cc032448 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0x90/0xaf4 drivers/block/loop.c:1235
 #1: ffff0000cbafcc60 (&q->q_usage_counter(io)#22){++++}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:954 [inline]
 #1: ffff0000cbafcc60 (&q->q_usage_counter(io)#22){++++}-{0:0}, at: loop_set_status+0x228/0xaf4 drivers/block/loop.c:1251
 #2: ffff0000cbafcc98 (&q->q_usage_counter(queue)#6){+.+.}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:954 [inline]
 #2: ffff0000cbafcc98 (&q->q_usage_counter(queue)#6){+.+.}-{0:0}, at: loop_set_status+0x228/0xaf4 drivers/block/loop.c:1251
1 lock held by syz.8.339/8888:
 #0: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80

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