INFO: task syz-executor.3:16753 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:    0 pid:16753 ppid:  3058 flags:0x0000000d
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 request_wait_answer+0x1c0/0x3a8 fs/fuse/dev.c:407
 __fuse_request_send+0x1f8/0x264 fs/fuse/dev.c:426
 fuse_simple_request+0x354/0x40c fs/fuse/dev.c:511
 fuse_flush+0x260/0x2e8 fs/fuse/file.c:521
 filp_close+0x50/0xc8 fs/open.c:1423
 close_files fs/file.c:432 [inline]
 put_files_struct+0xec/0x1dc fs/file.c:447
 exit_files+0x48/0x64 fs/file.c:464
 do_exit+0x220/0xbe0 kernel/exit.c:790
 do_group_exit+0x70/0xe8 kernel/exit.c:925
 get_signal+0xb0c/0xb40 kernel/signal.c:2857
 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1071
 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1124
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.0:16765 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:    0 pid:16765 ppid:  3055 flags:0x0000000d
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 request_wait_answer+0x1c0/0x3a8 fs/fuse/dev.c:407
 __fuse_request_send+0x1f8/0x264 fs/fuse/dev.c:426
 fuse_simple_request+0x354/0x40c fs/fuse/dev.c:511
 fuse_flush+0x260/0x2e8 fs/fuse/file.c:521
 filp_close+0x50/0xc8 fs/open.c:1423
 close_files fs/file.c:432 [inline]
 put_files_struct+0xec/0x1dc fs/file.c:447
 exit_files+0x48/0x64 fs/file.c:464
 do_exit+0x220/0xbe0 kernel/exit.c:790
 do_group_exit+0x70/0xe8 kernel/exit.c:925
 get_signal+0xb0c/0xb40 kernel/signal.c:2857
 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1071
 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1124
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d433568 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d433bb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d433440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279
2 locks held by getty/2717:
 #0: ffff0000c7b10898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f6162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:7/3157:
1 lock held by syz-executor.3/21703:
 #0: ffff0000c57b5290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff0000c57b5290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline]
 #0: ffff0000c57b5290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365
4 locks held by syz-executor.0/21709:
1 lock held by syz-executor.2/21728:
 #0: ffff0001fefcfc58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:544 [inline]
 #0: ffff0001fefcfc58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
 #0: ffff0001fefcfc58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1653 [inline]
 #0: ffff0001fefcfc58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0xa4/0x5a0 kernel/sched/core.c:6411

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