diff options
| author | Stanislav Fomichev <sdf@google.com> | 2021-08-14 02:05:30 +0300 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-08-14 03:51:25 +0300 |
| commit | 6a3a3dcc3f0e5dde3c9417f0419ff8efbab60c60 (patch) | |
| tree | 88c9dae2a28e3495a2f32507a566fea3b18cd848 | |
| parent | f1248dee954c2ddb0ece47a13591e5d55d422d22 (diff) | |
| download | linux-6a3a3dcc3f0e5dde3c9417f0419ff8efbab60c60.tar.xz | |
selftests/bpf: Verify bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT
Add extra calls to sockopt_sk.c.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20210813230530.333779-3-sdf@google.com
| -rw-r--r-- | tools/testing/selftests/bpf/progs/sockopt_sk.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c index 8acdb99b5959..79c8139b63b8 100644 --- a/tools/testing/selftests/bpf/progs/sockopt_sk.c +++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c @@ -33,6 +33,14 @@ int _getsockopt(struct bpf_sockopt *ctx) __u8 *optval = ctx->optval; struct sockopt_sk *storage; + /* Make sure bpf_get_netns_cookie is callable. + */ + if (bpf_get_netns_cookie(NULL) == 0) + return 0; + + if (bpf_get_netns_cookie(ctx) == 0) + return 0; + if (ctx->level == SOL_IP && ctx->optname == IP_TOS) { /* Not interested in SOL_IP:IP_TOS; * let next BPF program in the cgroup chain or kernel @@ -123,6 +131,14 @@ int _setsockopt(struct bpf_sockopt *ctx) __u8 *optval = ctx->optval; struct sockopt_sk *storage; + /* Make sure bpf_get_netns_cookie is callable. + */ + if (bpf_get_netns_cookie(NULL) == 0) + return 0; + + if (bpf_get_netns_cookie(ctx) == 0) + return 0; + if (ctx->level == SOL_IP && ctx->optname == IP_TOS) { /* Not interested in SOL_IP:IP_TOS; * let next BPF program in the cgroup chain or kernel |