INFO: task syz-executor.3:26363 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:0     pid:26363 ppid:3126   flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5209 [inline]
 __schedule+0x408/0x594 kernel/sched/core.c:6521
 schedule+0x64/0xa4 kernel/sched/core.c:6597
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x84/0x88 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 lock_mount+0x2c/0x14c fs/namespace.c:2292
 do_new_mount_fc fs/namespace.c:2983 [inline]
 do_new_mount+0x2d4/0x4e4 fs/namespace.c:3042
 path_mount+0x358/0x890 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568
 __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+0x48/0x140 arch/arm64/kernel/syscall.c:197
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
INFO: task syz-executor.3:26373 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:0     pid:26373 ppid:3126   flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5209 [inline]
 __schedule+0x408/0x594 kernel/sched/core.c:6521
 schedule+0x64/0xa4 kernel/sched/core.c:6597
 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_lookup_name+0x104/0x324 fs/fuse/dir.c:392
 fuse_lookup+0x90/0x274 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
 vfs_statx+0xb4/0x344 fs/stat.c:229
 vfs_fstatat fs/stat.c:267 [inline]
 __do_sys_newfstatat fs/stat.c:437 [inline]
 __se_sys_newfstatat fs/stat.c:431 [inline]
 __arm64_sys_newfstatat+0x98/0x104 fs/stat.c:431
 __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+0x48/0x140 arch/arm64/kernel/syscall.c:197
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d4a4768 (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: ffff80000d4a4db8 (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: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:303
2 locks held by getty/2759:
 #0: ffff0000c9518098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
1 lock held by syz-executor.1/3110:
 #0: ffff000138edc0e0 (&type->s_umount_key#70){+.+.}-{3:3}, at: deactivate_super+0xc8/0xd4 fs/super.c:362
1 lock held by syz-executor.3/26363:
 #0: ffff000116629410 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff000116629410 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: lock_mount+0x2c/0x14c fs/namespace.c:2292
2 locks held by syz-executor.3/26373:
 #0: ffff000116629410 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
 #0: ffff000116629410 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701
 #1: ffff000116629878 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468

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