1 files changed, 3 insertions, 0 deletions
diff --git a/src/shaders/gradients/SkTwoPointConicalGradient.cpp b/src/shaders/gradients/SkTwoPointConicalGradient.cpp
index 48877da34c..d98f4bce20 100644
--- a/src/shaders/gradients/SkTwoPointConicalGradient.cpp
+++ b/src/shaders/gradients/SkTwoPointConicalGradient.cpp
@@ -54,6 +54,9 @@ sk_sp<SkShader> SkTwoPointConicalGradient::Create(const SkPoint& c0, SkScalar r0
     Type     gradientType;
 
     if (SkScalarNearlyZero((c0 - c1).length())) {
+        if (SkScalarNearlyZero(SkTMax(r0, r1))) {
+            return nullptr; // Degenerate case; avoid dividing by zero.
+        }
         // Concentric case: we can pretend we're radial (with a tiny twist).
         const SkScalar scale = sk_ieee_float_divide(1, SkTMax(r0, r1));
         gradientMatrix = SkMatrix::MakeTrans(-c1.x(), -c1.y());