Fix potential segmentation fault

(cherry picked from commit f88101bb97acde5d300a3827adfa56e601fd827b)

Generate-digest-lists.patch

@@ -4,8 +4,8 @@ Date: Thu, 12 Mar 2020 17:29:55 +0100
 Subject: [PATCH 1/3] Generate digest lists
 
 ---
- build/files.c | 176 ++++++++++++++++++++++++++++++++++++++++++++++++--
- 1 file changed, 169 insertions(+), 7 deletions(-)
+ build/files.c | 179 ++++++++++++++++++++++++++++++++++++++++++++++++--
+ 1 file changed, 171 insertions(+), 7 deletions(-)
 
 diff --git a/build/files.c b/build/files.c
 index 6dfd801c8..ab6938d8c 100644
@@ -207,7 +207,7 @@ index 6dfd801c8..ab6938d8c 100644
  /**
   * Add directory (and all of its files) to the package manifest.
   * @param fl		package file tree walk data
-@@ -2556,6 +2652,58 @@ static void addPackageFileList (struct FileList_s *fl, Package pkg,
+@@ -2556,6 +2652,61 @@ static void addPackageFileList (struct FileList_s *fl, Package pkg,
      argvFree(fileNames);
  }
  
@@ -231,6 +231,9 @@ index 6dfd801c8..ab6938d8c 100644
 +    if (!(s && *s))
 +	goto exit;
 +
++    if (!strchr(binRpm, '/'))
++	goto exit;
++
 +    av_brp[2] = strchr(binRpm, '/') + 1;
 +    rpmlog(RPMLOG_NOTICE, _("Generating digest list: %s\n"), s);
 +

rpm.spec

@@ -1,6 +1,6 @@
 Name:          rpm
 Version:       4.17.0
-Release:       30
+Release:       31
 Summary:       RPM Package Manager
 License:       GPLv2+
 URL:           http://www.rpm.org/
@@ -403,6 +403,9 @@ make check || (cat tests/rpmtests.log; exit 0)
 %{_mandir}/man1/gendiff.1*
 
 %changelog
+* Tue Sep 26 2023 renhongxun<renhongxun@h-partners.com> - 4.17.0-31
+- Fix potential segmentation fault
+
 * Fri Sep 08 2023 renhongxun<renhongxun@h-partners.com> - 4.17.0-30
 - support _disable_auto_rebuilddb macro in posttrans