diff options
Diffstat (limited to 'net/ipv6/exthdrs.c')
| -rw-r--r-- | net/ipv6/exthdrs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index d0aaa35fc2e9..676284b6efe8 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -938,6 +938,11 @@ static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff) if (hdr->opt_len < 2 + sizeof(*trace) + trace->remlen * 4) goto drop; + /* Inconsistent Pre-allocated Trace header */ + if (trace->nodelen != + ioam6_trace_compute_nodelen(be32_to_cpu(trace->type_be32))) + goto drop; + /* Ignore if the IOAM namespace is unknown */ ns = ioam6_namespace(ipv6_skb_net(skb), trace->namespace_id); if (!ns) |