Message ID | 1421920699-26556-3-git-send-email-dborkman@redhat.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
On Thu, Jan 22, 2015 at 1:58 AM, Daniel Borkmann <dborkman@redhat.com> wrote: > Similarly as in cls_bpf, also this code needs to reject mismatches. > > Reference: http://article.gmane.org/gmane.linux.network/347406 > Fixes: d23b8ad8ab23 ("tc: add BPF based action") > Signed-off-by: Daniel Borkmann <dborkman@redhat.com> > Acked-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Alexei Starovoitov <ast@plumgrid.com> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 1bd257e..82c5d7f 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -122,6 +122,9 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, return -EINVAL; bpf_size = bpf_num_ops * sizeof(*bpf_ops); + if (bpf_size != nla_len(tb[TCA_ACT_BPF_OPS])) + return -EINVAL; + bpf_ops = kzalloc(bpf_size, GFP_KERNEL); if (!bpf_ops) return -ENOMEM;