Fix UFA非法地址访问(UFA illegal address access) of case3: paddle.crop (#49994)

* add range check for crop_kernel

* remove shape negative check

* add unittest

paddle/phi/kernels/impl/crop_kernel_impl.h

@@ -100,6 +100,16 @@ void CropTensorFunction(const Context& dev_ctx,
   out->Resize(out_dims);
   dev_ctx.template Alloc<T>(out);
   for (size_t i = 0; i < offsets_vec.size(); ++i) {
+    PADDLE_ENFORCE_GE(
+        offsets_vec[i],
+        0,
+        errors::InvalidArgument("The offsets (%d) of the %uth elements of"
+                                " Op(crop_tensor) "
+                                "should be greater than or "
+                                "equal to 0.",
+                                offsets_vec[i],
+                                i));
+
     PADDLE_ENFORCE_LE(offsets_vec[i] + shape_vec[i],
                       x_dims[i],
                       errors::InvalidArgument(

python/paddle/fluid/tests/unittests/test_crop_op.py

@@ -149,6 +149,13 @@ def test_crop_none_shape(self):
         self.assertEqual(crop.shape, (3, 6, 6))
 
 
+class TestCropError(unittest.TestCase):
+    def test_neg_offset_error(self):
+        with self.assertRaises(ValueError):
+            x = fluid.data(name='input2', shape=[1], dtype="float32")
+            out = paddle.crop(x, offsets=[-1])
+
+
 if __name__ == '__main__':
     paddle.enable_static()
     unittest.main()