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r2.6 cherry-pick: 13d38a07ce9 "Fix tf.raw_ops.UnsortedSegmentJoin vulnerability with invalid num_segments." #55876

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merged 1 commit into from May 4, 2022
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r2.6 cherry-pick: 13d38a07ce9 "Fix tf.raw_ops.UnsortedSegmentJoin vulnerability with invalid num_segments." #55876

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3 changes: 3 additions & 0 deletions tensorflow/core/kernels/unsorted_segment_join_op.cc
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Expand Up @@ -92,6 +92,9 @@ class UnsortedSegmentJoinOp : public OpKernel {
const Tensor& num_segments_tensor = context->input(2);
OP_REQUIRES(context, num_segments_tensor.NumElements() != 0,
errors::InvalidArgument("Number of segments cannot be empty."));
OP_REQUIRES(context,
TensorShapeUtils::IsScalar(num_segments_tensor.shape()),
errors::InvalidArgument("Number of segments must be a scalar"));
auto num_segments = num_segments_tensor.scalar<NUM_SEGMENTS_TYPE>()();

OP_REQUIRES(context, segment_dims != 0,
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