From e34684f88efd9cf29ad5ff4750a0f5586383141f Mon Sep 17 00:00:00 2001
From: Nicolas Schichan <nschichan@freebox.fr>
Date: Tue, 4 Aug 2015 15:19:07 +0200
Subject: [PATCH] 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>
---
lib/test_bpf.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 3afddf2026c98..6843d0b620329 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -4672,6 +4672,11 @@ static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
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);
--
GitLab