From b224e2f5739fe61de9fa69955d016725b2a4b78d Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Mon, 15 Jul 2019 22:11:09 +0200
Subject: [PATCH] SplashOutputDev::tilingPatternFill: Fix crash on broken file

Issue #802
---
 poppler/SplashOutputDev.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/poppler/SplashOutputDev.cc b/poppler/SplashOutputDev.cc
index 544f132da..3d2befc28 100644
--- a/poppler/SplashOutputDev.cc
+++ b/poppler/SplashOutputDev.cc
@@ -4581,6 +4581,10 @@ bool SplashOutputDev::tilingPatternFill(GfxState *state, Gfx *gfxA, Catalog *cat
     surface_width = (int) ceil (fabs(kx));
     surface_height = (int) ceil (fabs(ky));
     // adjust repeat values to completely fill region
+    if (unlikely(surface_width == 0 || surface_height == 0)) {
+        state->setCTM(savedCTM[0], savedCTM[1], savedCTM[2], savedCTM[3], savedCTM[4], savedCTM[5]);
+        return false;
+    }
     repeatX = result_width / surface_width;
     repeatY = result_height / surface_height;
     if (surface_width * repeatX < result_width)
-- 
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