Corpus for open$dir:
Coverage Program
3104 perf_event_open-syz_mount_image$ext4-setxattr$security_selinux-open$dir-mkdirat
1984 prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-open$dir
634 inotify_init-inotify_add_watch-syz_mount_image$ext4-open$dir