Test

Signed-off-by: Paul Chaignon <[email protected]>

Author: pchaigno

tools/testing/selftests/bpf/test_loader.c

@@ -1147,6 +1147,7 @@ void run_subtest(struct test_loader *tester,
 	int retval, err, i;
 	int links_cnt = 0;
 	bool should_load;
+	int linear_sz;
 
 	if (!test__start_subtest(subspec->name))
 		return;
@@ -1292,9 +1293,21 @@ void run_subtest(struct test_loader *tester,
 			}
 		}
 
+		switch (bpf_program__type(tprog)) {
+		case BPF_PROG_TYPE_SOCKET_FILTER:
+		case BPF_PROG_TYPE_CGROUP_SKB:
+		case BPF_PROG_TYPE_SCHED_CLS:
+		case BPF_PROG_TYPE_SCHED_ACT:
+			linear_sz = TEST_DATA_LEN - 1;
+			break;
+		default:
+			linear_sz = spec->linear_sz;
+			break;
+		}
+
 		err = do_prog_test_run(bpf_program__fd(tprog), &retval,
 				       bpf_program__type(tprog) == BPF_PROG_TYPE_SYSCALL ? true : false,
-				       spec->linear_sz);
+				       linear_sz);
 		if (!err && retval != subspec->retval && subspec->retval != POINTER_VALUE) {
 			PRINT_FAIL("Unexpected retval: %d != %d\n", retval, subspec->retval);
 			goto tobj_cleanup;