Fix crash in search

texinfo-6.4-info-fix-search.patch

@@ -0,0 +1,37 @@
+diff -up texinfo-6.4/info/search.c.orig texinfo-6.4/info/search.c
+--- texinfo-6.4/info/search.c.orig	2017-04-17 09:39:56.000000000 +0200
++++ texinfo-6.4/info/search.c	2017-12-04 11:31:09.180059724 +0100
+@@ -201,6 +201,7 @@ regexp_search (char *regexp, int is_lite
+       char *buf = xmalloc (size);
+       regerror (result, &preg, buf, size);
+       info_error (_("regexp error: %s"), buf);
++      free (buf);
+       return search_invalid;
+     }
+ 
+@@ -215,7 +216,10 @@ regexp_search (char *regexp, int is_lite
+   extend_matches (match_state);
+ 
+   if (match_state->match_count == 0)
+-    return search_not_found;
++    {
++      free_matches (match_state);
++      return search_not_found;
++    }
+   else
+     return search_success;
+ }
+diff -up texinfo-6.4/info/session.c.orig texinfo-6.4/info/session.c
+--- texinfo-6.4/info/session.c.orig	2017-12-04 11:31:15.023062714 +0100
++++ texinfo-6.4/info/session.c	2017-12-04 11:31:41.870076452 +0100
+@@ -3953,10 +3953,7 @@ info_search_in_node_internal (WINDOW *wi
+     }
+   
+   if (result != search_success)
+-    {
+-      free_matches (&matches);
+       return result;
+-    }
+ 
+   if (node->flags & N_Simple)
+     {

texinfo.spec

@@ -3,7 +3,7 @@
 Summary: Tools needed to create Texinfo format documentation files
 Name: texinfo
 Version: 6.4
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3+
 Group: Applications/Publishing
 Url: http://www.gnu.org/software/texinfo/
@@ -17,9 +17,10 @@ Patch0: texinfo-4.12-zlib.patch
 Patch1: texinfo-6.0-disable-failing-info-test.patch
 # Patch2: rhbz#1348671, because of OSTree
 Patch2: texinfo-6.1-install-info-use-create-tmp-then-rename-pattern.patch
-# Patches 3-4 are already upstream
+# Patches 3-5 are already upstream
 Patch3: texinfo-6.4-info-fix-following-more-than-one-line-cross-reference.patch
 Patch4: texinfo-6.4-info-fix-possible-incorrect-selection-of-already-loaded-file.patch
+Patch5: texinfo-6.4-info-fix-search.patch
 Requires(post): /sbin/install-info
 Requires(preun): /sbin/install-info
 Requires: perl-interpreter >= 5.7.3, perl(Text::Unidecode)
@@ -74,6 +75,7 @@ for printing using TeX.
 %patch2 -p1 -b .install-info-use-create-tmp-then-rename-pattern
 %patch3 -p1 -b .info-fix-following-more-than-one-line-cross-reference
 %patch4 -p1 -b .info-fix-possible-incorrect-selection-of-already-loaded-file
+%patch5 -p1 -b .info-fix-search
 
 %build
 %configure --with-external-Text-Unidecode \
@@ -176,6 +178,10 @@ fi
 %{_mandir}/man1/pdftexi2dvi.1*
 
 %changelog
+* Mon Dec 04 2017 Vitezslav Crhonek <vcrhonek@redhat.com> - 6.4-6
+- Fix crash in search
+  Resolves: #1516326
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 6.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild