test_bpf: avoid oopsing the kernel when generate_test_data() fails.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 3afddf2..6843d0b 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -4672,6 +4672,11 @@
break;
data = generate_test_data(test, i);
+ if (!data && !(test->aux & FLAG_NO_DATA)) {
+ pr_cont("data generation failed ");
+ err_cnt++;
+ break;
+ }
ret = __run_one(fp, data, runs, &duration);
release_test_data(test, data);