diff options
Diffstat (limited to 'net/core/gro.c')
-rw-r--r-- | net/core/gro.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/gro.c b/net/core/gro.c index 78110edf5d4b..b4190eb08467 100644 --- a/net/core/gro.c +++ b/net/core/gro.c @@ -167,6 +167,14 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb) if (unlikely(p->len + len >= gro_max_size || NAPI_GRO_CB(skb)->flush)) return -E2BIG; + if (unlikely(p->len + len >= GRO_LEGACY_MAX_SIZE)) { + if (p->protocol != htons(ETH_P_IPV6) || + skb_headroom(p) < sizeof(struct hop_jumbo_hdr) || + ipv6_hdr(p)->nexthdr != IPPROTO_TCP || + p->encapsulation) + return -E2BIG; + } + lp = NAPI_GRO_CB(p)->last; pinfo = skb_shinfo(lp); |