Optimize _encode_invalid_chars for a denial of service (CPU consumption) Signed-off-by: Haiqing Bai <Haiqing.Bai@windriver.com> Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Zang Ruochen <zangrc.fnst@cn.fujitsu.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>