diff --git a/src/gpu/graphite/PipelineData.h b/src/gpu/graphite/PipelineData.h
index 236a3f177d2..ec37c938f66 100644
--- a/src/gpu/graphite/PipelineData.h
+++ b/src/gpu/graphite/PipelineData.h
@@ -16,6 +16,7 @@
 #include "include/core/SkTileMode.h"
 #include "include/private/base/SkTDArray.h"
 #include "src/base/SkArenaAlloc.h"
+#include "src/base/SkSafeMath.h"
 #include "src/core/SkColorData.h"
 #include "src/core/SkTHash.h"
 #include "src/gpu/graphite/BufferManager.h"
@@ -479,7 +480,13 @@ public:
         if (existingOffset) {
             return {nullptr, *existingOffset};
         }
-        auto [ptr, offset] = this->allocateFloatData(numStops * 5); // 4 for color, 1 for offset
+        SkSafeMath safe;
+        int floatCount = safe.mulInt(numStops, 5);  // 4 for color, 1 for offset
+        safe.addInt(fGradientStorage.size(), floatCount);
+        if (!safe.ok()) {
+            return {nullptr, 0};
+        }
+        auto [ptr, offset] = this->allocateFloatData(floatCount);
         fGradientOffsetCache.set(shader->uniqueID(), offset);
 
         return {ptr, offset};