INFO: task syz-executor.1:12225 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid:12225 ppid:  3056 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
 fuse_atomic_open+0xa4/0x708 fs/fuse/dir.c:662
 atomic_open fs/namei.c:3276 [inline]
 lookup_open fs/namei.c:3384 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x67c/0x11c4 fs/namei.c:3688
 do_filp_open+0xdc/0x1b8 fs/namei.c:3718
 do_sys_openat2+0xb8/0x22c fs/open.c:1311
 do_sys_open fs/open.c:1327 [inline]
 __do_sys_openat fs/open.c:1343 [inline]
 __se_sys_openat fs/open.c:1338 [inline]
 __arm64_sys_openat+0xb0/0xe0 fs/open.c:1338
 __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 kworker/u4:5/982:
2 locks held by getty/2711:
 #0: ffff0000c62bf898 (&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
2 locks held by syz-executor.1/12225:
 #0: ffff0000fcc96550 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff0000fcc96550 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
 #0: ffff0000fcc96550 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: path_openat+0x2e4/0x11c4 fs/namei.c:3688
 #1: ffff0000fcc969b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468
2 locks held by syz-executor.1/13209:
 #0: ffff0000fcc93350 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff0000fcc93350 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701
 #1: ffff0000fcc937b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468
1 lock held by syz-executor.1/13217:
 #0: ffff0000fcc93350 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff0000fcc93350 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
 #0: ffff0000fcc93350 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: path_openat+0x2e4/0x11c4 fs/namei.c:3688
2 locks held by syz-executor.1/13296:
 #0: ffff0000fcfd0dd0 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff0000fcfd0dd0 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701
 #1: ffff0000fcfd1238 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468
1 lock held by syz-executor.1/13297:
 #0: ffff0000fcfd0dd0 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff0000fcfd0dd0 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
 #0: ffff0000fcfd0dd0 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: path_openat+0x2e4/0x11c4 fs/namei.c:3688

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