Add bounds check

Author: am17an

ggml/src/ggml-cuda/ggml-cuda.cu

@@ -2831,6 +2831,11 @@ static bool ggml_cuda_can_fuse(const struct ggml_cgraph * cgraph, int node_idx,
     std::initializer_list<enum ggml_op> topk_moe_ops_with_norm = ggml_cuda_topk_moe_ops(true);
 
     if (ops.size() == topk_moe_ops_with_norm.size() && std::equal(ops.begin(), ops.end(), topk_moe_ops_with_norm.begin())) {
+
+        if (node_idx + topk_moe_ops_with_norm.size() > cgraph->n_nodes) {
+            return false;
+        }
+
         for (size_t i = 0; i < topk_moe_ops_with_norm.size(); i++) {
             if (cgraph->nodes[node_idx + i]->op != topk_moe_ops_with_norm.begin()[i]) return false;
         }
@@ -2843,6 +2848,11 @@ static bool ggml_cuda_can_fuse(const struct ggml_cgraph * cgraph, int node_idx,
     }
 
     if (ops.size() == topk_moe_ops.size() && std::equal(ops.begin(), ops.end(), topk_moe_ops.begin())) {
+
+        if (node_idx + topk_moe_ops.size() > cgraph->n_nodes) {
+            return false;
+        }
+
         for (size_t i = 0; i < topk_moe_ops.size(); i++) {
             if (cgraph->nodes[node_idx + i]->op != topk_moe_ops.begin()[i]) return false;
         }