Fix crash (#1528706)

fontconfig-fix-crash.patch

@@ -0,0 +1,53 @@
+From 7ca28c2fedb34c1db5ee3116d335f15195859db0 Mon Sep 17 00:00:00 2001
+From: Behdad Esfahbod <behdad@behdad.org>
+Date: Mon, 18 Dec 2017 21:22:21 -0500
+Subject: [PATCH 1/8] Don't crash
+
+Not proper fix necessarily. But fixes this crash:
+https://bugs.freedesktop.org/show_bug.cgi?id=101889#c81
+---
+ src/fcmatch.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/fcmatch.c b/src/fcmatch.c
+index 5d30cc7..95bb204 100644
+--- a/src/fcmatch.c
++++ b/src/fcmatch.c
+@@ -653,7 +653,7 @@ FcFontRenderPrepare (FcConfig	    *config,
+ 		if (!l)
+ 		    goto bail0;
+ 		dir = FcStrDirname (FcValueString (&l->value));
+-		if (FcHashTableFind (config->alias_table, dir, (void **) &alias))
++		if (config && FcHashTableFind (config->alias_table, dir, (void **) &alias))
+ 		{
+ 		    FcChar8 *base = FcStrBasename (FcValueString (&l->value));
+ 		    FcChar8 *s = FcStrBuildFilename (alias, base, NULL);
+-- 
+2.14.3
+
+From aa85a2b3b6b652c079e895865e800e3d9b60a5f5 Mon Sep 17 00:00:00 2001
+From: Akira TAGOH <akira@tagoh.org>
+Date: Tue, 19 Dec 2017 12:16:48 +0900
+Subject: [PATCH 3/8] Try to get current instance of FcConfig as far as
+ possible
+
+---
+ src/fcmatch.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/fcmatch.c b/src/fcmatch.c
+index 95bb204..f06d98a 100644
+--- a/src/fcmatch.c
++++ b/src/fcmatch.c
+@@ -653,6 +653,8 @@ FcFontRenderPrepare (FcConfig	    *config,
+ 		if (!l)
+ 		    goto bail0;
+ 		dir = FcStrDirname (FcValueString (&l->value));
++		if (!config)
++			config = FcConfigGetCurrent ();
+ 		if (config && FcHashTableFind (config->alias_table, dir, (void **) &alias))
+ 		{
+ 		    FcChar8 *base = FcStrBasename (FcValueString (&l->value));
+-- 
+2.14.3
+

fontconfig.spec

@@ -3,7 +3,7 @@
 Summary:	Font configuration and customization library
 Name:		fontconfig
 Version:	2.12.91
-Release:	1%{?dist}
+Release:	2%{?dist}
 # src/ftglue.[ch] is in Public Domain
 # src/fccache.c contains Public Domain code
 # fc-case/CaseFolding.txt is in the UCD
@@ -17,6 +17,7 @@ Source2:	fc-cache
 # https://bugzilla.redhat.com/show_bug.cgi?id=140335
 Patch0:		%{name}-sleep-less.patch
 Patch1:		%{name}-required-freetype-version.patch
+Patch2:		%{name}-fix-crash.patch
 
 BuildRequires:	expat-devel
 BuildRequires:	freetype-devel >= %{freetype_version}
@@ -153,6 +154,9 @@ HOME=/root /usr/bin/fc-cache -s
 %doc fontconfig-devel.txt fontconfig-devel
 
 %changelog
+* Sat Dec 23 2017 Akira TAGOH <tagoh@redhat.com> - 2.12.91-2
+- Fix crash (#1528706)
+
 * Thu Dec 14 2017 Akira TAGOH <tagoh@redhat.com> - 2.12.91-1
 - New upstream release.