$ git clone -n https://src.fedoraproject.org/rpms/pam.git /var/lib/mock/f33-build-352414-60044/root/chroot_tmpdir/scmroot/pam
Cloning into '/var/lib/mock/f33-build-352414-60044/root/chroot_tmpdir/scmroot/pam'...
$ git reset --hard 0c883934f5a0942d09ad36ab7deb470691c2e904
HEAD is now at 0c88393 - fix CVE-2020-27780: authentication bypass when the user doesn't exist   and root password is blank (#1901173)