INFO: task syz.0.15:4167 blocked for more than 143 seconds.
      Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.15        state:D stack:    0 pid: 4167 ppid:  4030 flags:0x00000001
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6373
 schedule+0x11c/0x1c8 kernel/sched/core.c:6456
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6515
 rwsem_down_read_slowpath+0x5b0/0x988 kernel/locking/rwsem.c:1055
 __down_read_common kernel/locking/rwsem.c:1239 [inline]
 __down_read kernel/locking/rwsem.c:1252 [inline]
 down_read+0x10c/0x398 kernel/locking/rwsem.c:1500
 inode_lock_shared include/linux/fs.h:799 [inline]
 lookup_slow+0x50/0x84 fs/namei.c:1679
 walk_component+0x394/0x4cc fs/namei.c:1976
 lookup_last fs/namei.c:2431 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2455
 filename_lookup+0x1c4/0x4c8 fs/namei.c:2484
 user_path_at_empty+0x5c/0x1a4 fs/namei.c:2883
 user_path_at include/linux/namei.h:57 [inline]
 path_removexattr+0xc4/0x2ec fs/xattr.c:866
 __do_sys_removexattr fs/xattr.c:885 [inline]
 __se_sys_removexattr fs/xattr.c:882 [inline]
 __arm64_sys_removexattr+0x60/0x78 fs/xattr.c:882
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
1 lock held by khungtaskd/27:
 #0: ffff800014c917e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
2 locks held by getty/3778:
 #0: ffff0000d0f7c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001d66b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
2 locks held by syz.0.15/4161:
1 lock held by syz.0.15/4167:
 #0: ffff0000e6990188 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline]
 #0: ffff0000e6990188 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1679
3 locks held by syz.1.23/4512:
1 lock held by syz.1.23/4533:
 #0: ffff0000e69906d0 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline]
 #0: ffff0000e69906d0 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1679
1 lock held by syz.3.210/4777:
2 locks held by syz.2.228/4854:
1 lock held by syz.2.228/4859:
 #0: ffff0000ddc9cc18 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline]
 #0: ffff0000ddc9cc18 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1679
3 locks held by kworker/u4:12/4870:
2 locks held by syz.4.251/4948:
1 lock held by syz.4.251/4952:
 #0: ffff0000ddc9d160 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline]
 #0: ffff0000ddc9d160 (&type->i_mutex_dir_key#11){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1679
2 locks held by syz.2.887/6894:
2 locks held by syz.4.899/6926:
1 lock held by syz.0.900/6929:
 #0: ffff0000dc74e210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #0: ffff0000dc74e210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release net/socket.c:648 [inline]
 #0: ffff0000dc74e210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x80/0x1fc net/socket.c:1336
1 lock held by syz.3.901/6934:
 #0: ffff0000c165eeb8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x40/0x120 net/netfilter/nf_tables_api.c:9960

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