diff options
Diffstat (limited to 'net/ipv6/reassembly.c')
| -rw-r--r-- | net/ipv6/reassembly.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 5c3c92713096..a5bb59ee50ac 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -281,7 +281,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, { struct net *net = container_of(fq->q.net, struct net, ipv6.frags); struct sk_buff *fp, *head = fq->q.fragments; - int payload_len; + int payload_len, delta; unsigned int nhoff; int sum_truesize; u8 ecn; @@ -322,10 +322,16 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, if (payload_len > IPV6_MAXPLEN) goto out_oversize; + delta = - head->truesize; + /* Head of list must not be cloned. */ if (skb_unclone(head, GFP_ATOMIC)) goto out_oom; + delta += head->truesize; + if (delta) + add_frag_mem_limit(fq->q.net, delta); + /* If the first fragment is fragmented itself, we split * it to two chunks: the first with data and paged part * and the second, holding only fragments. */ @@ -378,6 +384,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, if (skb_try_coalesce(head, fp, &headstolen, &delta)) { kfree_skb_partial(fp, headstolen); } else { + fp->sk = NULL; if (!skb_shinfo(head)->frag_list) skb_shinfo(head)->frag_list = fp; head->data_len += fp->len; |