Re: [PATCH v5 bpf-next 7/7] selftests/bpf: Test bpf_sock_destroy

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On 4/3/23 8:55 AM, Aditi Ghag wrote:


On Mar 31, 2023, at 3:32 PM, Martin KaFai Lau <martin.lau@xxxxxxxxx> wrote:

On 3/30/23 11:46 AM, Stanislav Fomichev wrote:
+void test_sock_destroy(void)
+{
+    struct sock_destroy_prog *skel;
+    int cgroup_fd = 0;
+
+    skel = sock_destroy_prog__open_and_load();
+    if (!ASSERT_OK_PTR(skel, "skel_open"))
+        return;
+
+    cgroup_fd = test__join_cgroup("/sock_destroy");

Please run this test in its own netns also to avoid affecting other tests as much as possible.

Is it okay if I defer this nit to a follow-up patch? It's not conflicting with other tests at the moment.

Is it sure it won't affect other tests when running in parallel (test -j)?
This test is iterating all in the current netns and only checks for port before aborting.

It is easy to add. eg. ~10 lines of codes can be borrowed from prog_tests/mptcp.c which has recently done the same in commit 02d6a057c7be to run the test in its own netns to set a sysctl.




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