[PATCH 1/6] test_bpf: avoid oopsing the kernel when generate_test_data() fails.
From: Nicolas Schichan <hidden>
Date: 2015-08-03 14:02:34
Also in:
lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), library code, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Andrew Morton, Linus Torvalds
Signed-off-by: Nicolas Schichan <redacted> Acked-by: Alexei Starovoitov <redacted> --- lib/test_bpf.c | 5 +++++ 1 file changed, 5 insertions(+)
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 @@ 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);
--
1.9.1