INFO: task syz-executor.0:6175 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6175  tgid:6175  ppid:1      flags:0x00000005
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:492
 fuse_lookup+0xf0/0x4b0 fs/fuse/dir.c:424
 __lookup_slow+0x250/0x374 fs/namei.c:1694
 lookup_slow+0x60/0x84 fs/namei.c:1711
 walk_component fs/namei.c:2002 [inline]
 link_path_walk+0x7c8/0xc5c fs/namei.c:2329
 path_openat+0x1cc/0x2888 fs/namei.c:3775
 do_filp_open+0x1bc/0x3cc fs/namei.c:3809
 do_sys_openat2+0x124/0x1b8 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_openat fs/open.c:1471 [inline]
 __se_sys_openat fs/open.c:1466 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1466
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
INFO: task syz-executor.0:6193 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6193  tgid:6191  ppid:6175   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0xea8/0x17b0 fs/fuse/dev.c:513
 fuse_lookup_name+0x27c/0x6a4 fs/fuse/dir.c:386
 fuse_lookup+0x13c/0x4b0 fs/fuse/dir.c:425
 __lookup_slow+0x250/0x374 fs/namei.c:1694
 lookup_slow+0x60/0x84 fs/namei.c:1711
 walk_component fs/namei.c:2002 [inline]
 link_path_walk+0x7c8/0xc5c fs/namei.c:2329
 path_openat+0x1cc/0x2888 fs/namei.c:3775
 do_filp_open+0x1bc/0x3cc fs/namei.c:3809
 do_sys_openat2+0x124/0x1b8 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_openat fs/open.c:1471 [inline]
 __se_sys_openat fs/open.c:1466 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1466
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008e6b4740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300
2 locks held by getty/5862:
 #0: ffff0000d6e920a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800094e502f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
2 locks held by syz-executor.0/6175:
 #0: ffff0000ded90150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff0000ded90150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1710
 #1: ffff0000ded905c8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:492
2 locks held by syz-executor.0/6193:
 #0: ffff0000ded90150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff0000ded90150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1710
 #1: ffff0000ded905c8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c fs/fuse/inode.c:492

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