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| author | Paul Gilbert | 2017-07-18 22:44:55 -0400 |
|---|---|---|
| committer | Paul Gilbert | 2017-07-18 22:44:55 -0400 |
| commit | 559e6dafe1ea9c57dddca65d8e16e94ba88a4c40 (patch) | |
| tree | fd73e1fe1dbdc8ff7a72e8add1e4ad26305fb119 /engines/titanic/true_talk | |
| parent | 60de2718bddeb1c14b3ec031d3a9fcc931bd38a3 (diff) | |
| download | scummvm-rg350-559e6dafe1ea9c57dddca65d8e16e94ba88a4c40.tar.gz scummvm-rg350-559e6dafe1ea9c57dddca65d8e16e94ba88a4c40.tar.bz2 scummvm-rg350-559e6dafe1ea9c57dddca65d8e16e94ba88a4c40.zip | |
TITANIC: Fix access after free in filterConcepts loop
Diffstat (limited to 'engines/titanic/true_talk')
| -rw-r--r-- | engines/titanic/true_talk/tt_parser.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/engines/titanic/true_talk/tt_parser.cpp b/engines/titanic/true_talk/tt_parser.cpp index 2893c50a8d..adf008767f 100644 --- a/engines/titanic/true_talk/tt_parser.cpp +++ b/engines/titanic/true_talk/tt_parser.cpp @@ -1609,7 +1609,9 @@ bool TTparser::checkConcept2(TTconcept *concept, int conceptMode) { int TTparser::filterConcepts(int conceptMode, int conceptIndex) { int result = 0; - for (TTconcept *currP = _conceptP; currP && !result; currP = currP->_nextP) { + for (TTconcept *nextP, *currP = _conceptP; currP && !result; currP = nextP) { + nextP = currP->_nextP; + if (checkConcept2(currP, conceptMode)) { TTconcept **ptrPP = _sentenceConcept->setConcept(conceptIndex, currP); TTconcept *newConcept = new TTconcept(*currP); |