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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c b/tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c
index 9f5dbefa0dd9..6a707213e46b 100644
--- a/tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c
+++ b/tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c
@@ -2,6 +2,7 @@
#include <test_progs.h>
#include "bad_struct_ops.skel.h"
+#include "bad_struct_ops2.skel.h"
static void invalid_prog_reuse(void)
{
@@ -28,8 +29,39 @@ cleanup:
bad_struct_ops__destroy(skel);
}
+static void unused_program(void)
+{
+ struct bad_struct_ops2 *skel;
+ char *log = NULL;
+ int err;
+
+ skel = bad_struct_ops2__open();
+ if (!ASSERT_OK_PTR(skel, "bad_struct_ops2__open"))
+ return;
+
+ /* struct_ops programs not referenced from any maps are open
+ * with autoload set to true.
+ */
+ ASSERT_TRUE(bpf_program__autoload(skel->progs.foo), "foo autoload == true");
+
+ if (start_libbpf_log_capture())
+ goto cleanup;
+
+ err = bad_struct_ops2__load(skel);
+ ASSERT_ERR(err, "bad_struct_ops2__load should fail");
+ log = stop_libbpf_log_capture();
+ ASSERT_HAS_SUBSTR(log, "prog 'foo': failed to load",
+ "message about 'foo' failing to load");
+
+cleanup:
+ free(log);
+ bad_struct_ops2__destroy(skel);
+}
+
void test_bad_struct_ops(void)
{
if (test__start_subtest("invalid_prog_reuse"))
invalid_prog_reuse();
+ if (test__start_subtest("unused_program"))
+ unused_program();
}