diff options
author | Albert Astals Cid <aacid@kde.org> | 2017-06-19 23:18:51 +0200 |
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committer | Albert Astals Cid <aacid@kde.org> | 2017-06-21 22:31:19 +0200 |
commit | e2ab2fa9d8c41e0115b2c276a2594cd2f7c217e6 (patch) | |
tree | fe843ee315b81d41d48eaad760e6fe3f641f8c97 | |
parent | 17e4111da1ae5c9798ca0c040bf75c01bbb72a8a (diff) |
Fix crash on malformed files
Bug #101500
-rw-r--r-- | poppler/Function.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/poppler/Function.cc b/poppler/Function.cc index 7f359b8e..785933df 100644 --- a/poppler/Function.cc +++ b/poppler/Function.cc @@ -13,7 +13,7 @@ // All changes made under the Poppler project to this file are licensed // under GPL version 2 or later // -// Copyright (C) 2006, 2008-2010, 2013-2015 Albert Astals Cid <aacid@kde.org> +// Copyright (C) 2006, 2008-2010, 2013-2015, 2017 Albert Astals Cid <aacid@kde.org> // Copyright (C) 2006 Jeff Muizelaar <jeff@infidigm.net> // Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com> // Copyright (C) 2011 Andrea Canciani <ranma42@gmail.com> @@ -1623,7 +1623,9 @@ void PostScriptFunction::exec(PSStack *stack, int codePtr) { case psOpIdiv: i2 = stack->popInt(); i1 = stack->popInt(); - stack->pushInt(i1 / i2); + if (likely(i2 != 0)) { + stack->pushInt(i1 / i2); + } break; case psOpIndex: stack->index(stack->popInt()); @@ -1659,7 +1661,9 @@ void PostScriptFunction::exec(PSStack *stack, int codePtr) { case psOpMod: i2 = stack->popInt(); i1 = stack->popInt(); - stack->pushInt(i1 % i2); + if (likely(i2 != 0)) { + stack->pushInt(i1 % i2); + } break; case psOpMul: if (stack->topTwoAreInts()) { |