Corpus for chdir:

Coverage	Program
4352	syz_mount_image$ext4-setxattr$system_posix_acl-newfstatat-setresuid-chdir
3922	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-syz_mount_image$tmpfs-chdir
2843	syz_mount_image$tmpfs-chdir-creat-write-openat$dir-sendfile
2197	syz_mount_image$tmpfs-chmod-chown-chdir-creat
2147	syz_mount_image$ext4-setxattr$system_posix_acl-newfstatat-setresuid-chdir