From 7f283ff806b2031f407db64c4d3edcda8fb9f9f5 Mon Sep 17 00:00:00 2001
From: Amit Patankar <amitpatankar@google.com>
Date: Wed, 28 Apr 2021 15:00:39 -0700
Subject: [PATCH] Fix FPE issue in external Eigen source code issue with
 `tf.raw_ops.SparseMatMul`.

PiperOrigin-RevId: 370992919
Change-Id: Icfb276fef5fb40928b27c3e44608d2aca72c9fd7
---
 tensorflow/core/kernels/sparse_matmul_op.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tensorflow/core/kernels/sparse_matmul_op.cc b/tensorflow/core/kernels/sparse_matmul_op.cc
index f5747854093c9..a02afafa33e3a 100644
--- a/tensorflow/core/kernels/sparse_matmul_op.cc
+++ b/tensorflow/core/kernels/sparse_matmul_op.cc
@@ -1039,6 +1039,10 @@ class SparseMatMulOp : public OpKernel {
     if (transpose_b) {
       // TODO(agarwal): avoid transposing the matrix here and directly handle
       // transpose in CreateDenseSlices.
+      OP_REQUIRES(ctx, right->dim_size(0) != 0,
+                  errors::InvalidArgument("b has an entry 0 in it's shape."));
+      OP_REQUIRES(ctx, right->dim_size(1) != 0,
+                  errors::InvalidArgument("b has an entry 0 in it's shape."));
       right_tr.reset(
           new Tensor(right->dtype(),
                      TensorShape({right->dim_size(1), right->dim_size(0)})));