From 136ee686be199d0971e90eb67bbf08ac0a2a9824 Mon Sep 17 00:00:00 2001
From: Nicholas Guriev <nicholas@guriev.su>
Date: Tue, 25 May 2021 14:12:31 +0300
Subject: [PATCH] Skip dash array of size one or zero

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

Change-Id: Ib9a061ddc6c2136082f9f79ff35101fb6d5cf0b5
---
 src/lottie/lottiemodel.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lottie/lottiemodel.cpp b/src/lottie/lottiemodel.cpp
index e2b48e6..9da82f7 100644
--- 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);
 
-- 
2.34.1