diff options
Diffstat (limited to 'src/corelib/tools/qstring.cpp')
| -rw-r--r-- | src/corelib/tools/qstring.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index 189caf8bd7..96f3c4147c 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -1656,8 +1656,11 @@ void QString::resize(int size) void QString::reallocData(uint alloc, bool grow) { - if (grow) + if (grow) { + if (alloc > (uint(MaxAllocSize) - sizeof(Data)) / sizeof(QChar)) + qBadAlloc(); alloc = qAllocMore(alloc * sizeof(QChar), sizeof(Data)) / sizeof(QChar); + } if (d->ref.isShared() || IS_RAW_DATA(d)) { Data::AllocationOptions allocOptions(d->capacityReserved ? Data::CapacityReserved : 0); |