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-rw-r--r--kernel/bpf/net_namespace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/bpf/net_namespace.c b/kernel/bpf/net_namespace.c
index 7a34a8caf954..03045f45afec 100644
--- a/kernel/bpf/net_namespace.c
+++ b/kernel/bpf/net_namespace.c
@@ -209,6 +209,9 @@ int netns_bpf_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
struct net *net;
int ret;
+ if (attr->target_fd || attr->attach_flags || attr->replace_bpf_fd)
+ return -EINVAL;
+
type = to_netns_bpf_attach_type(attr->attach_type);
if (type < 0)
return -EINVAL;