From 9d9bad40f35f9b8e01897cbbc2449d30ec5e8fe6 Mon Sep 17 00:00:00 2001
From: Marek Kasik <mkasik@redhat.com>
Date: Tue, 20 Sep 2016 11:04:58 +0200
Subject: [PATCH] Don't crash when calling cmsGetColorSpace()

Initialize RGBProfile and displayProfile before their use
if they were not initialized in GfxState's constructor.

https://bugs.freedesktop.org/show_bug.cgi?id=97870
---
 poppler/GfxState.cc | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/poppler/GfxState.cc b/poppler/GfxState.cc
index 368ee27..a57ca6c 100644
--- a/poppler/GfxState.cc
+++ b/poppler/GfxState.cc
@@ -2049,8 +2049,25 @@ GfxColorSpace *GfxICCBasedColorSpace::parse(Array *arr, OutputDev *out, GfxState
   if (hp == 0) {
     error(errSyntaxWarning, -1, "read ICCBased color space profile error");
   } else {
-    cmsHPROFILE dhp = (state != NULL && state->getDisplayProfile() != NULL) ? state->getDisplayProfile() : displayProfile;
-    if (dhp == NULL) dhp = RGBProfile;
+    cmsHPROFILE dhp;
+
+    if (state != NULL && state->getDisplayProfile() != NULL) {
+      dhp = state->getDisplayProfile();
+    }
+    else {
+      if (displayProfile == NULL) {
+        GfxColorSpace::setupColorProfiles();
+      }
+      dhp = displayProfile;
+    }
+
+    if (dhp == NULL) {
+      if (RGBProfile == NULL) {
+        GfxColorSpace::setupColorProfiles();
+      }
+      dhp = RGBProfile;
+    }
+
     unsigned int cst = getCMSColorSpaceType(cmsGetColorSpace(hp));
     unsigned int dNChannels = getCMSNChannels(cmsGetColorSpace(dhp));
     unsigned int dcst = getCMSColorSpaceType(cmsGetColorSpace(dhp));
-- 
2.9.3