Prevent check fail in FFT

PiperOrigin-RevId: 372031044 Change-Id: I50994e3e8a5d1342d01bde80256f6bf2730ca299
tensorflow · May 5, 2021 · 31bd502 · 31bd502
1 parent 1c56f53
commit 31bd502
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tensorflow/core/kernels/fft_ops.cc b/tensorflow/core/kernels/fft_ops.cc
@@ -222,6 +222,9 @@ class FFTCPU : public FFTBase {
       input_slice_sizes[i] = fft_shape[i - 1];
       temp_shape.AddDim(fft_shape[i - 1]);
     }
+    OP_REQUIRES(ctx, temp_shape.num_elements() > 0,
+                errors::InvalidArgument("Obtained a FFT shape of 0 elements: ",
+                                        temp_shape.DebugString()));
 
     auto output = out->flat_inner_dims<ComplexT, FFTRank + 1>();
     const Eigen::DSizes<Eigen::DenseIndex, FFTRank + 1> zero_start_indices;