poppler/SOURCES/poppler-0.66.0-tilingpatter...

29 lines
1.1 KiB
Diff

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 544f132d..3d2befc2 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 gFalse;
+ }
repeatX = result_width / surface_width;
repeatY = result_height / surface_height;
if (surface_width * repeatX < result_width)
--
2.24.1