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authorHarald Fernengel <harald@trolltech.com>2009-08-13 09:51:54 (GMT)
committerHarald Fernengel <harald@trolltech.com>2009-08-13 09:53:16 (GMT)
commit40366e6f389e32be6ecdd2f2790cac3b65d503c5 (patch)
tree7187652e6d62956dce38384b60a2550cb0b0ba4e /src/corelib/tools
parentda0e9ac73411f9b6725680dd66059d5e6b23ac77 (diff)
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Fix QVarLengthArray out of bounds read
Reviewed-By: Ralf Engels
Diffstat (limited to 'src/corelib/tools')
-rw-r--r--src/corelib/tools/qvarlengtharray.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index 2998244..8c31f40 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -204,7 +204,9 @@ Q_OUTOFLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::realloc(int asize, int a
if (QTypeInfo<T>::isStatic) {
QT_TRY {
- while (s < asize) {
+ // copy all the old elements
+ const int copySize = qMin(asize, osize);
+ while (s < copySize) {
new (ptr+s) T(*(oldPtr+s));
(oldPtr+s)->~T();
s++;