From e94e522cb4682f7f80ce3aa1264703cdc448e9e1 Mon Sep 17 00:00:00 2001
From: wanghuancoder <wanghuan29@baidu.com>
Date: Mon, 18 Sep 2023 10:52:23 +0800
Subject: [PATCH] fix concat bug, init inputs_data_vec (#57389)

---
 paddle/phi/kernels/funcs/concat_and_split_functor.cu | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/paddle/phi/kernels/funcs/concat_and_split_functor.cu b/paddle/phi/kernels/funcs/concat_and_split_functor.cu
index 975b1361423abd..f2b7de681bcfce 100644
--- a/paddle/phi/kernels/funcs/concat_and_split_functor.cu
+++ b/paddle/phi/kernels/funcs/concat_and_split_functor.cu
@@ -571,6 +571,9 @@ void ConcatFunctorWithIndexType(const phi::GPUContext& ctx,
 
   IndexT inputs_col_num = in_num + 1;
   std::vector<const T*> inputs_data_vec(in_num, nullptr);
+  for (size_t i = 0; i < ins.size(); ++i) {
+    inputs_data_vec[i] = ins[i].data<T>();
+  }
   std::vector<IndexT> inputs_col_vec(inputs_col_num, 0);
   const T** inputs_data = inputs_data_vec.data();
   IndexT* inputs_col = inputs_col_vec.data();