fix divide zero bug for paddle.all (#51088)

paddle/phi/kernels/reduce_all_kernel.cc

@@ -25,6 +25,13 @@ void AllKernel(const Context& dev_ctx,
                const std::vector<int64_t>& dims,
                bool keep_dim,
                DenseTensor* out) {
+  auto x_dim = x.dims();
+  for (int i = 0; i < x_dim.size(); i++) {
+    PADDLE_ENFORCE_LT(0,
+                      x_dim[i],
+                      errors::InvalidArgument(
+                          "The dims of Input(X) should be greater than 0."));
+  }
   bool reduce_all = recompute_reduce_all(x, dims);
   AllRawKernel<T>(dev_ctx, x, dims, keep_dim, reduce_all, out);
 }

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

@@ -1250,6 +1250,18 @@ class TestAnyAPI(unittest.TestCase):
         paddle.enable_static()
 
 
+class TestAllZeroError(unittest.TestCase):
+    def test_errors(self):
+        with paddle.fluid.dygraph.guard():
+
+            def test_0_size():
+                array = np.array([], dtype=np.float32)
+                x = paddle.to_tensor(np.reshape(array, [0, 0, 0]), dtype='bool')
+                paddle.all(x, axis=1)
+
+            self.assertRaises(ValueError, test_0_size)
+
+
 if __name__ == '__main__':
     paddle.enable_static()
     unittest.main()