Backport upstream 4.17.x commit 5b58ea7cfb to fix a possible segfault on librpm. Centos fixes this in rpm-4.16.1.3-30. Signed-off-by: Zhao Mengmeng <zhaomengmeng@kylinos.cn> (cherry picked from commit fd25d7a77222e06ea3b23487f9ee56d6df95a42b)
5b58ea7cfb