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-rw-r--r--net/sched/cls_bpf.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 84c8219..49e5fa8 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -180,6 +180,11 @@ static int cls_bpf_modify_existing(struct net *net, struct tcf_proto *tp,
}
bpf_size = bpf_len * sizeof(*bpf_ops);
+ if (bpf_size != nla_len(tb[TCA_BPF_OPS])) {
+ ret = -EINVAL;
+ goto errout;
+ }
+
bpf_ops = kzalloc(bpf_size, GFP_KERNEL);
if (bpf_ops == NULL) {
ret = -ENOMEM;
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