INFO: task syz-executor.1:696 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc3-syzkaller-16800-g85413d1e802e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid:  696 ppid:  9704 flags:0x00000009
Call trace:
 __switch_to+0x180/0x28c arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x570 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 request_wait_answer+0x1c0/0x388 fs/fuse/dev.c:407
 __fuse_request_send+0x1f8/0x254 fs/fuse/dev.c:426
 fuse_simple_request+0x354/0x3fc fs/fuse/dev.c:511
 fuse_lookup_name+0x104/0x324 fs/fuse/dir.c:392
 fuse_lookup+0x90/0x264 fs/fuse/dir.c:433
 __lookup_slow+0x14c/0x204 fs/namei.c:1685
 lookup_slow+0x44/0x68 fs/namei.c:1702
 walk_component+0x178/0x1b0 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0xc4/0x208 fs/namei.c:2474
 filename_lookup+0xf8/0x264 fs/namei.c:2503
 user_path_at_empty+0x5c/0x114 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:514 [inline]
 __se_sys_chdir fs/open.c:508 [inline]
 __arm64_sys_chdir+0x54/0x128 fs/open.c:508
 __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+0x58/0x150 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 rcu_tasks_kthre/10:
 #0: ffff80000d4a3568 (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/11:
 #0: ffff80000d4a3bb8 (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/26:
 #0: ffff80000d4a3440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279
2 locks held by getty/2715:
 #0: ffff0000c6358898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f67e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x88c drivers/tty/n_tty.c:2177
3 locks held by kworker/u4:33/8660:
 #0: ffff0001fefcfc58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x44 kernel/sched/core.c:544
 #1: ffff0001fefbeb88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x208/0x310 kernel/sched/psi.c:876
 #2: ffff80000d4a3440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:279
2 locks held by syz-executor.1/696:
 #0: ffff000114119a50 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff000114119a50 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701
 #1: ffff000114119eb8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468

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