INFO: task syz-executor.0:6636 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc5-syzkaller-00033-g14d05f12084d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6636  tgid:6636  ppid:1      task_flags:0x400140 flags:0x00000005
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x1360/0x257c kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6914
 __mutex_lock_common+0xd30/0x24b8 kernel/locking/mutex.c:662
 __mutex_lock kernel/locking/mutex.c:730 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
 fuse_lock_inode+0xd4/0x128 fs/fuse/inode.c:587
 fuse_lookup+0xf0/0x4b0 fs/fuse/dir.c:428
 __lookup_slow+0x258/0x37c fs/namei.c:1793
 lookup_slow+0x60/0x84 fs/namei.c:1810
 walk_component fs/namei.c:2114 [inline]
 link_path_walk+0x77c/0xc48 fs/namei.c:2479
 path_openat+0x1d0/0x2b1c fs/namei.c:3985
 do_filp_open+0x1e8/0x404 fs/namei.c:4016
 do_sys_openat2+0x124/0x1b8 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1454
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
INFO: task syz-executor.0:6753 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc5-syzkaller-00033-g14d05f12084d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6753  tgid:6745  ppid:6636   task_flags:0x400140 flags:0x0000000d
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x1360/0x257c kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6857
 request_wait_answer fs/fuse/dev.c:453 [inline]
 __fuse_request_send fs/fuse/dev.c:467 [inline]
 __fuse_simple_request+0xba0/0x14e0 fs/fuse/dev.c:561
 fuse_simple_request fs/fuse/fuse_i.h:1197 [inline]
 fuse_lookup_name+0x33c/0x858 fs/fuse/dir.c:386
 fuse_lookup+0x13c/0x4b0 fs/fuse/dir.c:429
 __lookup_slow+0x258/0x37c fs/namei.c:1793
 lookup_slow+0x60/0x84 fs/namei.c:1810
 walk_component fs/namei.c:2114 [inline]
 link_path_walk+0x77c/0xc48 fs/namei.c:2479
 path_openat+0x1d0/0x2b1c fs/namei.c:3985
 do_filp_open+0x1e8/0x404 fs/namei.c:4016
 do_sys_openat2+0x124/0x1b8 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1454
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff80008fda22a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by getty/6199:
 #0: ffff0000d809a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009bcae2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
2 locks held by syz-executor.0/6636:
 #0: ffff0000e1050148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:887 [inline]
 #0: ffff0000e1050148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: lookup_slow+0x50/0x84 fs/namei.c:1809
 #1: ffff0000e1050610 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd4/0x128 fs/fuse/inode.c:587
2 locks held by syz-executor.0/6753:
 #0: ffff0000e1050148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:887 [inline]
 #0: ffff0000e1050148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: lookup_slow+0x50/0x84 fs/namei.c:1809
 #1: ffff0000e1050610 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd4/0x128 fs/fuse/inode.c:587

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