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-rw-r--r--net/ipv4/netfilter/arp_tables.c5
-rw-r--r--net/ipv4/netfilter/ip_tables.c5
-rw-r--r--net/ipv6/netfilter/ip6_tables.c5
3 files changed, 9 insertions, 6 deletions
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 71b76ad..9aa2239 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -358,6 +358,7 @@ static int mark_source_chains(struct xt_table_info *newinfo,
for (;;) {
struct arpt_standard_target *t
= (void *)arpt_get_target(e);
+ int visited = e->comefrom & (1 << hook);
if (e->comefrom & (1 << NF_ARP_NUMHOOKS)) {
printk("arptables: loop hook %u pos %u %08X.\n",
@@ -368,11 +369,11 @@ static int mark_source_chains(struct xt_table_info *newinfo,
|= ((1 << hook) | (1 << NF_ARP_NUMHOOKS));
/* Unconditional return/END. */
- if (e->target_offset == sizeof(struct arpt_entry)
+ if ((e->target_offset == sizeof(struct arpt_entry)
&& (strcmp(t->target.u.user.name,
ARPT_STANDARD_TARGET) == 0)
&& t->verdict < 0
- && unconditional(&e->arp)) {
+ && unconditional(&e->arp)) || visited) {
unsigned int oldpos, size;
if (t->verdict < -NF_MAX_VERDICT - 1) {
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 83ebbeb..09696f1 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -384,6 +384,7 @@ mark_source_chains(struct xt_table_info *newinfo,
for (;;) {
struct ipt_standard_target *t
= (void *)ipt_get_target(e);
+ int visited = e->comefrom & (1 << hook);
if (e->comefrom & (1 << NF_IP_NUMHOOKS)) {
printk("iptables: loop hook %u pos %u %08X.\n",
@@ -394,11 +395,11 @@ mark_source_chains(struct xt_table_info *newinfo,
|= ((1 << hook) | (1 << NF_IP_NUMHOOKS));
/* Unconditional return/END. */
- if (e->target_offset == sizeof(struct ipt_entry)
+ if ((e->target_offset == sizeof(struct ipt_entry)
&& (strcmp(t->target.u.user.name,
IPT_STANDARD_TARGET) == 0)
&& t->verdict < 0
- && unconditional(&e->ip)) {
+ && unconditional(&e->ip)) || visited) {
unsigned int oldpos, size;
if (t->verdict < -NF_MAX_VERDICT - 1) {
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 4eec4b3..99502c5 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -413,6 +413,7 @@ mark_source_chains(struct xt_table_info *newinfo,
unsigned int pos = newinfo->hook_entry[hook];
struct ip6t_entry *e
= (struct ip6t_entry *)(entry0 + pos);
+ int visited = e->comefrom & (1 << hook);
if (!(valid_hooks & (1 << hook)))
continue;
@@ -433,11 +434,11 @@ mark_source_chains(struct xt_table_info *newinfo,
|= ((1 << hook) | (1 << NF_IP6_NUMHOOKS));
/* Unconditional return/END. */
- if (e->target_offset == sizeof(struct ip6t_entry)
+ if ((e->target_offset == sizeof(struct ip6t_entry)
&& (strcmp(t->target.u.user.name,
IP6T_STANDARD_TARGET) == 0)
&& t->verdict < 0
- && unconditional(&e->ipv6)) {
+ && unconditional(&e->ipv6)) || visited) {
unsigned int oldpos, size;
if (t->verdict < -NF_MAX_VERDICT - 1) {
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