Fix FPE issue with tf.raw_ops.Reverse.

PiperOrigin-RevId: 371176973 Change-Id: Ic6d483bfc95313ec2299c2d1c956cfe96c96626c
tensorflow · Apr 29, 2021 · 4071d8e · 4071d8e
1 parent 36229ea
commit 4071d8e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tensorflow/core/kernels/reverse_op.cc b/tensorflow/core/kernels/reverse_op.cc
@@ -155,6 +155,12 @@ class ReverseOp : public OpKernel {
 
   void Compute(OpKernelContext* context) override {
     const Tensor& input = context->input(0);
+    // If input is provided, check to make sure the first dimension is valid.
+    if (input.dims() > 0) {
+      OP_REQUIRES(
+          context, input.dim_size(0) != 0,
+          errors::InvalidArgument("Invalid input first dimension. Found 0."));
+    }
     const Tensor& dims = context->input(1);
 
     if (TensorShapeUtils::IsScalar(input.shape())) {