INFO: task syz-executor.0:6609 blocked for more than 143 seconds.
      Tainted: G        W          6.12.0-rc3-syzkaller-gc7e6f5e2fb8d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6609  tgid:6609  ppid:1      flags:0x00000005
Call trace:
 __switch_to+0x428/0x860 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x14bc/0x2718 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6774
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6831
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684
 __mutex_lock kernel/locking/mutex.c:752 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
 fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:554
 fuse_lookup+0xf0/0x4b0 fs/fuse/dir.c:428
 __lookup_slow+0x250/0x374 fs/namei.c:1732
 lookup_slow+0x60/0x84 fs/namei.c:1749
 walk_component fs/namei.c:2053 [inline]
 link_path_walk+0x774/0xc44 fs/namei.c:2418
 path_openat+0x1d0/0x2b14 fs/namei.c:3929
 do_filp_open+0x1bc/0x3cc fs/namei.c:3960
 do_sys_openat2+0x124/0x1b8 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_openat fs/open.c:1446 [inline]
 __se_sys_openat fs/open.c:1441 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
 __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.0:6731 blocked for more than 143 seconds.
      Tainted: G        W          6.12.0-rc3-syzkaller-gc7e6f5e2fb8d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6731  tgid:6720  ppid:6609   flags:0x0000000d
Call trace:
 __switch_to+0x428/0x860 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x14bc/0x2718 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6774
 request_wait_answer fs/fuse/dev.c:464 [inline]
 __fuse_request_send fs/fuse/dev.c:478 [inline]
 __fuse_simple_request+0xba4/0x14e4 fs/fuse/dev.c:572
 fuse_simple_request fs/fuse/fuse_i.h:1156 [inline]
 fuse_lookup_name+0x284/0x760 fs/fuse/dir.c:386
 fuse_lookup+0x13c/0x4b0 fs/fuse/dir.c:429
 __lookup_slow+0x250/0x374 fs/namei.c:1732
 lookup_slow+0x60/0x84 fs/namei.c:1749
 walk_component fs/namei.c:2053 [inline]
 link_path_walk+0x774/0xc44 fs/namei.c:2418
 path_openat+0x1d0/0x2b14 fs/namei.c:3929
 do_filp_open+0x1bc/0x3cc fs/namei.c:3960
 do_sys_openat2+0x124/0x1b8 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_openat fs/open.c:1446 [inline]
 __se_sys_openat fs/open.c:1441 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
 __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: ffff80008f9d0520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by getty/6175:
 #0: ffff0000d234e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b7fb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
2 locks held by syz-executor.0/6609:
 #0: ffff0000dd238148 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:825 [inline]
 #0: ffff0000dd238148 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1748
 #1: ffff0000dd238610 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:554
2 locks held by syz-executor.0/6731:
 #0: ffff0000dd238148 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:825 [inline]
 #0: ffff0000dd238148 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1748
 #1: ffff0000dd238610 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:554

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