On Mon, Nov 18, 2024 at 10:03:44PM +0100, Michal Luczaj wrote:
Make sure the proto::close callback gets invoked on vsock release.
Signed-off-by: Michal Luczaj <mhal@xxxxxxx>
---
.../selftests/bpf/prog_tests/sockmap_basic.c | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
Acked-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index 21d1e2e2308433e7475952dcab034e92f2f6101a..c502e1590dcc1d8b06c82673e060839479d99590 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -108,6 +108,35 @@ static void test_sockmap_create_update_free(enum bpf_map_type map_type)
close(s);
}
+static void test_sockmap_vsock_delete_on_close(void)
+{
+ int err, c, p, map;
+ const int zero = 0;
+
+ err = create_pair(AF_VSOCK, SOCK_STREAM, &c, &p);
+ if (!ASSERT_OK(err, "create_pair(AF_VSOCK)"))
+ return;
+
+ map = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(int),
+ sizeof(int), 1, NULL);
+ if (!ASSERT_GE(map, 0, "bpf_map_create")) {
+ close(c);
+ goto out;
+ }
+
+ err = bpf_map_update_elem(map, &zero, &c, BPF_NOEXIST);
+ close(c);
+ if (!ASSERT_OK(err, "bpf_map_update"))
+ goto out;
+
+ err = bpf_map_update_elem(map, &zero, &p, BPF_NOEXIST);
+ ASSERT_OK(err, "after close(), bpf_map_update");
+
+out:
+ close(p);
+ close(map);
+}
+
static void test_skmsg_helpers(enum bpf_map_type map_type)
{
struct test_skmsg_load_helpers *skel;
@@ -935,6 +964,8 @@ void test_sockmap_basic(void)
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash create_update_free"))
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH);
+ if (test__start_subtest("sockmap vsock delete on close"))
+ test_sockmap_vsock_delete_on_close();
if (test__start_subtest("sockmap sk_msg load helpers"))
test_skmsg_helpers(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash sk_msg load helpers"))
--
2.46.2
