!282 Fix potential segmentation fault

From: @renxichen 
Reviewed-by: @xujing99 
Signed-off-by: @xujing99

Generate-digest-lists.patch

@@ -8,8 +8,8 @@ This patch helps to generate digest lists during rpm building process.
 Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
 Signed-off-by: Tianxing Zhang <zhangtianxing3@huawei.com>
 ---
- build/files.c | 301 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
- 1 file changed, 291 insertions(+), 10 deletions(-)
+ build/files.c | 304 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
+ 1 file changed, 294 insertions(+), 10 deletions(-)
 
 diff --git a/build/files.c b/build/files.c
 index c43deb5..613de67 100644
@@ -327,7 +327,7 @@ index c43deb5..613de67 100644
   * Add directory (and all of its files) to the package manifest.
   * @param fl		package file tree walk data
   * @param diskPath	path to file
-@@ -2556,6 +2767,58 @@ static void addPackageFileList (struct FileList_s *fl, Package pkg,
+@@ -2556,6 +2767,61 @@ static void addPackageFileList (struct FileList_s *fl, Package pkg,
      argvFree(fileNames);
  }
  
@@ -351,6 +351,9 @@ index c43deb5..613de67 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:       4.15.1
-Release:       53
+Release:       54
 Summary:       RPM Package Manager
 License:       GPLv2+
 URL:           http://www.rpm.org/
@@ -505,6 +505,9 @@ make check || (cat tests/rpmtests.log; exit 0)
 %{_mandir}/man1/gendiff.1*
 
 %changelog
+* Tue Sep 26 2023 renhongxun<renhongxun@h-partners.com> - 4.15.1-54
+- Fix potential segmentation fault
+
 * Tue Sep 05 2023 renhongxun<renhongxun@h-partners.com> - 4.15.1-53
 - Fix the coredump which may occur during upgrading of rpm