1 files changed, 10 insertions, 0 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index dd0ea0096c..b5dda23828 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -699,6 +699,16 @@ bool LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_of
 			}
 		}
 
+        LLVector4a* v = (LLVector4a*)mMappedData;
+
+        for (U32 i = start; i <= end; ++i)
+        {
+            if (!v->isFinite3())
+            {
+                LL_ERRS() << "Non-finite vertex position data detected." << LL_ENDL;
+            }
+        }
+
 		LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
 
 		if (shader && shader->mFeatures.mIndexedTextureChannels > 1)