Fix infinite loop in broken files

Resolves: #1699863

poppler-0.73.0-scan-fonts.patch

@@ -0,0 +1,36 @@
+From 8051f678b3b43326e5fdfd7c03f39de21059f426 Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Fri, 5 Apr 2019 16:34:48 +0200
+Subject: [PATCH] FontInfoScanner::scanFonts Fix infinite loop in broken files
+
+Fixes #752
+---
+ poppler/FontInfo.cc | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/poppler/FontInfo.cc b/poppler/FontInfo.cc
+index 2c3be4c6..cd335771 100644
+--- a/poppler/FontInfo.cc
++++ b/poppler/FontInfo.cc
+@@ -144,7 +144,17 @@ void FontInfoScanner::scanFonts(XRef *xrefA, Dict *resDict, std::vector<FontInfo
+ 
+         Object obj2 = obj1.fetch(xrefA);
+         if (obj2.isStream()) {
+-          Object resObj = obj2.streamGetDict()->lookup("Resources");
++          Ref resourcesRef;
++          const Object resObj = obj2.streamGetDict()->lookup("Resources");
++
++          if (resourcesRef.num != -1) {
++            if (visitedObjects.find(resourcesRef.num) != visitedObjects.end()) {
++              continue;
++            }
++
++            visitedObjects.insert(resourcesRef.num);
++          }
++
+           if (resObj.isDict() && resObj.getDict() != resDict) {
+             scanFonts(xrefA, resObj.getDict(), fontsList);
+           }
+-- 
+2.20.1
+

poppler.spec

@@ -4,7 +4,7 @@
 Summary: PDF rendering library
 Name:    poppler
 Version: 0.73.0
-Release: 8%{?dist}
+Release: 9%{?dist}
 License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT
 URL:     http://poppler.freedesktop.org/
 Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz
@@ -38,6 +38,9 @@ Patch11:  poppler-0.73.0-stack-overflow.patch
 Patch12: poppler-0.73.0-coverage-values.patch
 Patch13: poppler-0.73.0-rescale-filter.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1699862
+Patch14: poppler-0.73.0-scan-fonts.patch
+
 BuildRequires: cmake
 BuildRequires: gcc-c++
 BuildRequires: gettext-devel
@@ -268,6 +271,10 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
 %{_mandir}/man1/*
 
 %changelog
+* Wed Apr 17 2019 Marek Kasik <mkasik@redhat.com> - 0.73.0-9
+- Fix infinite loop in broken files
+- Resolves: #1699863
+
 * Mon Apr 1 2019 Marek Kasik <mkasik@redhat.com> - 0.73.0-8
 - Constrain number of cycles in rescale filter
 - Compute correct coverage values for box filter