Skip dash array of size one or zero

An attempt to fix CVE-2021-31317, not tested yet.

Change-Id: Ib9a061ddc6c2136082f9f79ff35101fb6d5cf0b5

diff --git a/src/lottie/lottiemodel.cpp b/src/lottie/lottiemodel.cpp
index e2b48e64bd5134ef4ae01f92b58bfc2293a0c39f..9da82f704bcd3e7bdb12efb8f3eee104ff096ca7 100644 (file)
--- a/src/lottie/lottiemodel.cpp
+++ b/src/lottie/lottiemodel.cpp
@@ -205,7 +205,7 @@ void model::Dash::getDashInfo(int frameNo, std::vector<float> &result) const
 {
     result.clear();
 
-    if (mData.empty()) return;
+    if (mData.size() <= 1) return;
 
     if (result.capacity() < mData.size()) result.reserve(mData.size() + 1);