# This is a BitKeeper generated diff -Nru style patch. # # ChangeSet # 2004/11/13 11:55:57+01:00 kaber@coreworks.de # [NETFILTER]: Handle nonlinear skbs in ip_queue/ip6_queue # # Signed-off-by: Patrick McHardy # # net/ipv6/netfilter/ip6_queue.c # 2004/11/13 11:55:50+01:00 kaber@coreworks.de +4 -1 # [NETFILTER]: Handle nonlinear skbs in ip_queue/ip6_queue # # Signed-off-by: Patrick McHardy # # net/ipv4/netfilter/ip_queue.c # 2004/11/13 11:55:50+01:00 kaber@coreworks.de +4 -1 # [NETFILTER]: Handle nonlinear skbs in ip_queue/ip6_queue # # Signed-off-by: Patrick McHardy # diff -Nru a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c --- a/net/ipv4/netfilter/ip_queue.c 2004-11-15 22:07:01 +01:00 +++ b/net/ipv4/netfilter/ip_queue.c 2004-11-15 22:07:01 +01:00 @@ -257,7 +257,8 @@ } if (data_len) - memcpy(pmsg->payload, entry->skb->data, data_len); + if (skb_copy_bits(entry->skb, 0, pmsg->payload, data_len)) + BUG(); nlh->nlmsg_len = skb->tail - old_tail; return skb; @@ -362,6 +363,8 @@ } skb_put(e->skb, diff); } + if (!skb_ip_make_writable(&e->skb, v->data_len)) + return -ENOMEM; memcpy(e->skb->data, v->payload, v->data_len); e->skb->nfcache |= NFC_ALTERED; diff -Nru a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c --- a/net/ipv6/netfilter/ip6_queue.c 2004-11-15 22:07:01 +01:00 +++ b/net/ipv6/netfilter/ip6_queue.c 2004-11-15 22:07:01 +01:00 @@ -262,7 +262,8 @@ } if (data_len) - memcpy(pmsg->payload, entry->skb->data, data_len); + if (skb_copy_bits(entry->skb, 0, pmsg->payload, data_len)) + BUG(); nlh->nlmsg_len = skb->tail - old_tail; return skb; @@ -366,6 +367,8 @@ } skb_put(e->skb, diff); } + if (!skb_ip_make_writable(&e->skb, v->data_len)) + return -ENOMEM; memcpy(e->skb->data, v->payload, v->data_len); e->skb->nfcache |= NFC_ALTERED;