GHSA-7GHQ-FVR3-PJ2X Incomplete validation in `MaxPoolGrad`

Impact An attacker can trigger a denial of service via a segmentation fault in tf.rawops.MaxPoolGrad caused by missing validation: python import tensorflow as tf tf.rawops.MaxPoolGrad originput = tf.constant, shape=3, 0, 0, 2, dtype=tf.float32, origoutput = tf.constant, shape=3, 0, 0, 2,...