Upgrade buildroot to 2023.05 (from 2021.08.2), kernel is upgraded to 6.3 (from 5.13.19).

support/testing/tests/package/test_python_pyndiff.py

@@ -0,0 +1,29 @@
+import os
+import infra.basetest
+
+
+class TestPyNdiff(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_PACKAGE_NMAP=y
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_PYNDIFF=y
+        BR2_TARGET_ROOTFS_CPIO=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+        self.emulator.boot(arch="armv5",
+                           kernel="builtin",
+                           options=["-initrd", cpio_file])
+        self.emulator.login()
+
+        cmd = "nmap -F 127.0.0.1 -oX scanme-1.xml"
+        self.assertRunOk(cmd)
+
+        cmd = "nmap -F 127.0.0.1 -oX scanme-2.xml"
+        self.assertRunOk(cmd)
+
+        cmd = "pyndiff -f1 scanme-1.xml -f2 scanme-2.xml -t txt"
+        self.assertRunOk(cmd)