From ecf768cbe50cedc0a45ce1ee223146a3d3d26d23 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihaimaruseac@google.com>
Date: Wed, 5 May 2021 12:07:57 -0700
Subject: [PATCH] Add missing validations to reverse_sequence_op

PiperOrigin-RevId: 372178683
Change-Id: Iac97ebab5b342f1262c77a7d9bcb4267b305ce5b
---
 tensorflow/core/kernels/reverse_sequence_op.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tensorflow/core/kernels/reverse_sequence_op.cc b/tensorflow/core/kernels/reverse_sequence_op.cc
index b5b62bc76ca52..1282deb26e8cd 100644
--- a/tensorflow/core/kernels/reverse_sequence_op.cc
+++ b/tensorflow/core/kernels/reverse_sequence_op.cc
@@ -115,6 +115,10 @@ class ReverseSequenceOp : public OpKernel {
       : OpKernel(context) {
     OP_REQUIRES_OK(context, context->GetAttr("batch_dim", &batch_dim_));
     OP_REQUIRES_OK(context, context->GetAttr("seq_dim", &seq_dim_));
+    OP_REQUIRES(context, batch_dim_ >= 0,
+                errors::InvalidArgument("Invalid batch_dim ", batch_dim_));
+    OP_REQUIRES(context, seq_dim_ >= 0,
+                errors::InvalidArgument("Invalid seq_dim ", seq_dim_));
   }
 
   void Compute(OpKernelContext* context) override {