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Fix OOB read issue with tf.raw_ops.CTCLoss. #49672

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May 26, 2021
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Fix OOB read issue with tf.raw_ops.CTCLoss. #49672

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4 changes: 4 additions & 0 deletions tensorflow/core/kernels/ctc_loss_op.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,10 @@ class CTCLossOp : public OpKernel {
errors::InvalidArgument("sequence_length is not a vector"));
OP_REQUIRES(ctx, TensorShapeUtils::IsMatrix(labels_indices->shape()),
errors::InvalidArgument("labels_indices is not a matrix"));
OP_REQUIRES(ctx, labels_indices->dim_size(1) > 1,
errors::InvalidArgument(
"labels_indices second dimension must be >= 1. Received ",
labels_indices->dim_size(1)));
OP_REQUIRES(ctx, TensorShapeUtils::IsVector(labels_values->shape()),
errors::InvalidArgument("labels_values is not a vector"));

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