Re: [PATCH v7 16/18] seltests/landlock: add invalid input data test

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On 10/09/2022 22:51, Konstantin Meskhidze (A) wrote:


9/6/2022 11:09 AM, Mickaël Salaün пишет:

On 29/08/2022 19:03, Konstantin Meskhidze wrote:
This patch adds rules with invalid user space supplied data:
      - out of range ruleset attribute;
      - unhandled allowed access;
      - zero port value;
      - zero access value;

Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx>
---

Changes since v6:
* Adds invalid ruleset attribute test.

Changes since v5:
* Formats code with clang-format-14.

Changes since v4:
* Refactors code with self->port variable.

Changes since v3:
* Adds inval test.

---
   tools/testing/selftests/landlock/net_test.c | 66 ++++++++++++++++++++-
   1 file changed, 65 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c
index a93224d1521b..067ba45f58a5 100644
--- a/tools/testing/selftests/landlock/net_test.c
+++ b/tools/testing/selftests/landlock/net_test.c
@@ -26,9 +26,12 @@

   #define IP_ADDRESS "127.0.0.1"

-/* Number pending connections queue to be hold */
+/* Number pending connections queue to be hold. */

Patch of a previous patch?


   #define BACKLOG 10

+/* Invalid attribute, out of landlock network access range. */
+#define LANDLOCK_INVAL_ATTR 7
+
   FIXTURE(socket)
   {
   	uint port[MAX_SOCKET_NUM];
@@ -719,4 +722,65 @@ TEST_F(socket, ruleset_expanding)
   	/* Closes socket 1. */
   	ASSERT_EQ(0, close(sockfd_1));
   }
+
+TEST_F(socket, inval)
+{
+	struct landlock_ruleset_attr ruleset_attr = {
+		.handled_access_net = LANDLOCK_ACCESS_NET_BIND_TCP
+	};
+	struct landlock_ruleset_attr ruleset_attr_inval = {
+		.handled_access_net = LANDLOCK_INVAL_ATTR

Please add a test similar to TEST_F_FORK(layout1,
file_and_dir_access_rights) instead of explicitly defining and only
testing LANDLOCK_INVAL_ATTR.

    Do you want fs test to be in this commit or maybe its better to add
it into "[PATCH v7 01/18] landlock: rename access mask" one.

You can squash all the new tests patches (except the "move helper function").



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