diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/netfilter/ip_queue.c | 7 | ||||
| -rw-r--r-- | net/ipv6/netfilter/ip6_queue.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index eda1fba431a4..c6baa8174389 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -214,6 +214,12 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) break; case IPQ_COPY_PACKET: + if (entry->skb->ip_summed == CHECKSUM_HW && + (*errp = skb_checksum_help(entry->skb, + entry->info->outdev == NULL))) { + read_unlock_bh(&queue_lock); + return NULL; + } if (copy_range == 0 || copy_range > entry->skb->len) data_len = entry->skb->len; else @@ -385,6 +391,7 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e) if (!skb_ip_make_writable(&e->skb, v->data_len)) return -ENOMEM; memcpy(e->skb->data, v->payload, v->data_len); + e->skb->ip_summed = CHECKSUM_NONE; e->skb->nfcache |= NFC_ALTERED; /* diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 5493180f0d44..a16df5b27c84 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -211,6 +211,12 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) break; case IPQ_COPY_PACKET: + if (entry->skb->ip_summed == CHECKSUM_HW && + (*errp = skb_checksum_help(entry->skb, + entry->info->outdev == NULL))) { + read_unlock_bh(&queue_lock); + return NULL; + } if (copy_range == 0 || copy_range > entry->skb->len) data_len = entry->skb->len; else @@ -381,6 +387,7 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e) if (!skb_ip_make_writable(&e->skb, v->data_len)) return -ENOMEM; memcpy(e->skb->data, v->payload, v->data_len); + e->skb->ip_summed = CHECKSUM_NONE; e->skb->nfcache |= NFC_ALTERED; /* |