diff options
Diffstat (limited to 'src/qml/jsruntime/qv4runtime.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4runtime.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp index 5fc94b9ddd..cf2e4ec1dd 100644 --- a/src/qml/jsruntime/qv4runtime.cpp +++ b/src/qml/jsruntime/qv4runtime.cpp @@ -1530,6 +1530,11 @@ static CallArgs createSpreadArguments(Scope &scope, Value *argv, int argc) if (done->booleanValue()) break; ++argCount; + constexpr auto safetyMargin = 100; // leave some space on the stack for actual work with the elements + if (qint64(scope.engine->jsStackLimit - scope.engine->jsStackTop) < safetyMargin) { + scope.engine->throwRangeError(QLatin1String("Too many elements in array to use it with the spread operator")); + return { nullptr, 0 }; + } v = scope.alloc<Scope::Uninitialized>(); } } |