DHDAXCW-Rockchip-OpenWrt/target/linux/generic/hack-4.14/953-use-nf_ct_helper_log.patch

34 lines
1.1 KiB
Diff

diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index c8ac57f..7f7d847 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -1196,7 +1196,7 @@ static int snmp_translate(struct nf_conn
if (!snmp_parse_mangle((unsigned char *)udph + sizeof(struct udphdr),
paylen, &map, &udph->check)) {
- net_warn_ratelimited("bsalg: parser failed\n");
+ nf_ct_helper_log(skb, ct, "parser failed\n");
return NF_DROP;
}
return NF_ACCEPT;
@@ -1230,13 +1230,14 @@ static int help(struct sk_buff *skb, uns
* can mess around with the payload.
*/
if (ntohs(udph->len) != skb->len - (iph->ihl << 2)) {
- net_warn_ratelimited("SNMP: dropping malformed packet src=%pI4 dst=%pI4\n",
- &iph->saddr, &iph->daddr);
- return NF_DROP;
+ nf_ct_helper_log(skb, ct, "dropping malformed packet\n");
+ return NF_DROP;;
}
- if (!skb_make_writable(skb, skb->len))
- return NF_DROP;
+ if (!skb_make_writable(skb, skb->len)) {
+ nf_ct_helper_log(skb, ct, "cannot mangle packet");
+ return NF_DROP;
+ }
spin_lock_bh(&snmp_lock);
ret = snmp_translate(ct, ctinfo, skb);