1 files changed, 3 insertions, 0 deletions
diff --git a/src/effects/SkAlphaThresholdFilter.cpp b/src/effects/SkAlphaThresholdFilter.cpp
index 0e38cccd65..96f8365d60 100644
--- a/src/effects/SkAlphaThresholdFilter.cpp
+++ b/src/effects/SkAlphaThresholdFilter.cpp
@@ -65,6 +65,9 @@ sk_sp<SkImageFilter> SkAlphaThresholdFilter::Make(const SkRegion& region,
                                                   const SkImageFilter::CropRect* cropRect) {
     innerThreshold = pin_0_1(innerThreshold);
     outerThreshold = pin_0_1(outerThreshold);
+    if (innerThreshold > outerThreshold) {
+        return nullptr;
+    }
     if (!SkScalarIsFinite(innerThreshold) || !SkScalarIsFinite(outerThreshold)) {
         return nullptr;
     }