summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_multicast.c2
-rw-r--r--net/bridge/br_netlink.c13
-rw-r--r--net/bridge/br_private.h6
-rw-r--r--net/ceph/messenger.c23
-rw-r--r--net/ceph/osd_client.c34
-rw-r--r--net/ipv4/devinet.c2
-rw-r--r--net/ipv4/ipconfig.c8
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c1
-rw-r--r--net/ipv4/netfilter/iptable_nat.c15
-rw-r--r--net/ipv6/netfilter/ip6t_NPT.c33
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c1
-rw-r--r--net/ipv6/netfilter/ip6table_nat.c15
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c4
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c5
-rw-r--r--net/mac802154/wpan.c2
-rw-r--r--net/netfilter/Kconfig7
-rw-r--r--net/netfilter/nf_conntrack_core.c2
-rw-r--r--net/netfilter/nf_conntrack_netlink.c2
-rw-r--r--net/netfilter/nfnetlink_log.c16
-rw-r--r--net/netfilter/xt_CT.c58
-rw-r--r--net/netfilter/xt_hashlimit.c54
-rw-r--r--net/netfilter/xt_recent.c43
-rw-r--r--net/sctp/Kconfig2
-rw-r--r--net/sunrpc/clnt.c5
-rw-r--r--net/sunrpc/sched.c27
25 files changed, 274 insertions, 106 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 5391ca43336a..6d6f26531de2 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1608,7 +1608,6 @@ void br_multicast_init(struct net_bridge *br)
br_multicast_querier_expired, (unsigned long)br);
setup_timer(&br->multicast_query_timer, br_multicast_query_expired,
(unsigned long)br);
- br_mdb_init();
}
void br_multicast_open(struct net_bridge *br)
@@ -1633,7 +1632,6 @@ void br_multicast_stop(struct net_bridge *br)
del_timer_sync(&br->multicast_querier_timer);
del_timer_sync(&br->multicast_query_timer);
- br_mdb_uninit();
spin_lock_bh(&br->multicast_lock);
mdb = mlock_dereference(br->mdb, br);
if (!mdb)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 97ba0189c6f7..5dc66abcc9e2 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -299,10 +299,21 @@ struct rtnl_link_ops br_link_ops __read_mostly = {
int __init br_netlink_init(void)
{
- return rtnl_link_register(&br_link_ops);
+ int err;
+
+ br_mdb_init();
+ err = rtnl_link_register(&br_link_ops);
+ if (err)
+ goto out;
+
+ return 0;
+out:
+ br_mdb_uninit();
+ return err;
}
void __exit br_netlink_fini(void)
{
+ br_mdb_uninit();
rtnl_link_unregister(&br_link_ops);
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 8d83be5ffedc..711094aed41a 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -526,6 +526,12 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
{
return 0;
}
+static inline void br_mdb_init(void)
+{
+}
+static inline void br_mdb_uninit(void)
+{
+}
#endif
/* br_netfilter.c */
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 4d111fd2b492..5ccf87ed8d68 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -506,6 +506,7 @@ static void reset_connection(struct ceph_connection *con)
{
/* reset connection, out_queue, msg_ and connect_seq */
/* discard existing out_queue and msg_seq */
+ dout("reset_connection %p\n", con);
ceph_msg_remove_list(&con->out_queue);
ceph_msg_remove_list(&con->out_sent);
@@ -561,7 +562,7 @@ void ceph_con_open(struct ceph_connection *con,
mutex_lock(&con->mutex);
dout("con_open %p %s\n", con, ceph_pr_addr(&addr->in_addr));
- BUG_ON(con->state != CON_STATE_CLOSED);
+ WARN_ON(con->state != CON_STATE_CLOSED);
con->state = CON_STATE_PREOPEN;
con->peer_name.type = (__u8) entity_type;
@@ -1506,13 +1507,6 @@ static int process_banner(struct ceph_connection *con)
return 0;
}
-static void fail_protocol(struct ceph_connection *con)
-{
- reset_connection(con);
- BUG_ON(con->state != CON_STATE_NEGOTIATING);
- con->state = CON_STATE_CLOSED;
-}
-
static int process_connect(struct ceph_connection *con)
{
u64 sup_feat = con->msgr->supported_features;
@@ -1530,7 +1524,7 @@ static int process_connect(struct ceph_connection *con)
ceph_pr_addr(&con->peer_addr.in_addr),
sup_feat, server_feat, server_feat & ~sup_feat);
con->error_msg = "missing required protocol features";
- fail_protocol(con);
+ reset_connection(con);
return -1;
case CEPH_MSGR_TAG_BADPROTOVER:
@@ -1541,7 +1535,7 @@ static int process_connect(struct ceph_connection *con)
le32_to_cpu(con->out_connect.protocol_version),
le32_to_cpu(con->in_reply.protocol_version));
con->error_msg = "protocol version mismatch";
- fail_protocol(con);
+ reset_connection(con);
return -1;
case CEPH_MSGR_TAG_BADAUTHORIZER:
@@ -1631,11 +1625,11 @@ static int process_connect(struct ceph_connection *con)
ceph_pr_addr(&con->peer_addr.in_addr),
req_feat, server_feat, req_feat & ~server_feat);
con->error_msg = "missing required protocol features";
- fail_protocol(con);
+ reset_connection(con);
return -1;
}
- BUG_ON(con->state != CON_STATE_NEGOTIATING);
+ WARN_ON(con->state != CON_STATE_NEGOTIATING);
con->state = CON_STATE_OPEN;
con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
@@ -2132,7 +2126,6 @@ more:
if (ret < 0)
goto out;
- BUG_ON(con->state != CON_STATE_CONNECTING);
con->state = CON_STATE_NEGOTIATING;
/*
@@ -2160,7 +2153,7 @@ more:
goto more;
}
- BUG_ON(con->state != CON_STATE_OPEN);
+ WARN_ON(con->state != CON_STATE_OPEN);
if (con->in_base_pos < 0) {
/*
@@ -2382,7 +2375,7 @@ static void ceph_fault(struct ceph_connection *con)
dout("fault %p state %lu to peer %s\n",
con, con->state, ceph_pr_addr(&con->peer_addr.in_addr));
- BUG_ON(con->state != CON_STATE_CONNECTING &&
+ WARN_ON(con->state != CON_STATE_CONNECTING &&
con->state != CON_STATE_NEGOTIATING &&
con->state != CON_STATE_OPEN);
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 780caf6b0491..eb9a44478764 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1270,7 +1270,7 @@ static void reset_changed_osds(struct ceph_osd_client *osdc)
* Requeue requests whose mapping to an OSD has changed. If requests map to
* no osd, request a new map.
*
- * Caller should hold map_sem for read and request_mutex.
+ * Caller should hold map_sem for read.
*/
static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
{
@@ -1284,6 +1284,24 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
for (p = rb_first(&osdc->requests); p; ) {
req = rb_entry(p, struct ceph_osd_request, r_node);
p = rb_next(p);
+
+ /*
+ * For linger requests that have not yet been
+ * registered, move them to the linger list; they'll
+ * be sent to the osd in the loop below. Unregister
+ * the request before re-registering it as a linger
+ * request to ensure the __map_request() below
+ * will decide it needs to be sent.
+ */
+ if (req->r_linger && list_empty(&req->r_linger_item)) {
+ dout("%p tid %llu restart on osd%d\n",
+ req, req->r_tid,
+ req->r_osd ? req->r_osd->o_osd : -1);
+ __unregister_request(osdc, req);
+ __register_linger_request(osdc, req);
+ continue;
+ }
+
err = __map_request(osdc, req, force_resend);
if (err < 0)
continue; /* error */
@@ -1298,17 +1316,6 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
req->r_flags |= CEPH_OSD_FLAG_RETRY;
}
}
- if (req->r_linger && list_empty(&req->r_linger_item)) {
- /*
- * register as a linger so that we will
- * re-submit below and get a new tid
- */
- dout("%p tid %llu restart on osd%d\n",
- req, req->r_tid,
- req->r_osd ? req->r_osd->o_osd : -1);
- __register_linger_request(osdc, req);
- __unregister_request(osdc, req);
- }
}
list_for_each_entry_safe(req, nreq, &osdc->req_linger,
@@ -1316,6 +1323,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
dout("linger req=%p req->r_osd=%p\n", req, req->r_osd);
err = __map_request(osdc, req, force_resend);
+ dout("__map_request returned %d\n", err);
if (err == 0)
continue; /* no change and no osd was specified */
if (err < 0)
@@ -1337,6 +1345,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
dout("%d requests for down osds, need new map\n", needmap);
ceph_monc_request_next_osdmap(&osdc->client->monc);
}
+ reset_changed_osds(osdc);
}
@@ -1393,7 +1402,6 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
osdc->osdmap = newmap;
}
kick_requests(osdc, 0);
- reset_changed_osds(osdc);
} else {
dout("ignoring incremental map %u len %d\n",
epoch, maplen);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index cc06a47f1216..a8e4f2665d5e 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -823,9 +823,9 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
if (!ifa) {
ret = -ENOBUFS;
ifa = inet_alloc_ifa();
- INIT_HLIST_NODE(&ifa->hash);
if (!ifa)
break;
+ INIT_HLIST_NODE(&ifa->hash);
if (colon)
memcpy(ifa->ifa_label, ifr.ifr_name, IFNAMSIZ);
else
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index d763701cff1b..a2e50ae80b53 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -136,6 +136,8 @@ __be32 ic_myaddr = NONE; /* My IP address */
static __be32 ic_netmask = NONE; /* Netmask for local subnet */
__be32 ic_gateway = NONE; /* Gateway IP address */
+__be32 ic_addrservaddr = NONE; /* IP Address of the IP addresses'server */
+
__be32 ic_servaddr = NONE; /* Boot server IP address */
__be32 root_server_addr = NONE; /* Address of NFS server */
@@ -558,6 +560,7 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
if (ic_myaddr == NONE)
ic_myaddr = tip;
ic_servaddr = sip;
+ ic_addrservaddr = sip;
ic_got_reply = IC_RARP;
drop_unlock:
@@ -1068,7 +1071,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
ic_servaddr = server_id;
#ifdef IPCONFIG_DEBUG
printk("DHCP: Offered address %pI4 by server %pI4\n",
- &ic_myaddr, &ic_servaddr);
+ &ic_myaddr, &b->iph.saddr);
#endif
/* The DHCP indicated server address takes
* precedence over the bootp header one if
@@ -1113,6 +1116,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
ic_dev = dev;
ic_myaddr = b->your_ip;
ic_servaddr = b->server_ip;
+ ic_addrservaddr = b->iph.saddr;
if (ic_gateway == NONE && b->relay_ip)
ic_gateway = b->relay_ip;
if (ic_nameservers[0] == NONE)
@@ -1268,7 +1272,7 @@ static int __init ic_dynamic(void)
printk("IP-Config: Got %s answer from %pI4, ",
((ic_got_reply & IC_RARP) ? "RARP"
: (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
- &ic_servaddr);
+ &ic_addrservaddr);
pr_cont("my address is %pI4\n", &ic_myaddr);
return 0;
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 51f13f8ec724..04b18c1ac345 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -81,6 +81,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
niph->saddr = oiph->daddr;
niph->daddr = oiph->saddr;
+ skb_reset_transport_header(nskb);
tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
memset(tcph, 0, sizeof(*tcph));
tcph->source = oth->dest;
diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c
index da2c8a368f68..eeaff7e4acb5 100644
--- a/net/ipv4/netfilter/iptable_nat.c
+++ b/net/ipv4/netfilter/iptable_nat.c
@@ -124,23 +124,28 @@ nf_nat_ipv4_fn(unsigned int hooknum,
ret = nf_nat_rule_find(skb, hooknum, in, out, ct);
if (ret != NF_ACCEPT)
return ret;
- } else
+ } else {
pr_debug("Already setup manip %s for ct %p\n",
maniptype == NF_NAT_MANIP_SRC ? "SRC" : "DST",
ct);
+ if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ goto oif_changed;
+ }
break;
default:
/* ESTABLISHED */
NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
ctinfo == IP_CT_ESTABLISHED_REPLY);
- if (nf_nat_oif_changed(hooknum, ctinfo, nat, out)) {
- nf_ct_kill_acct(ct, ctinfo, skb);
- return NF_DROP;
- }
+ if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ goto oif_changed;
}
return nf_nat_packet(ct, ctinfo, hooknum, skb);
+
+oif_changed:
+ nf_ct_kill_acct(ct, ctinfo, skb);
+ return NF_DROP;
}
static unsigned int
diff --git a/net/ipv6/netfilter/ip6t_NPT.c b/net/ipv6/netfilter/ip6t_NPT.c
index e9486915eff6..7302b0b7b642 100644
--- a/net/ipv6/netfilter/ip6t_NPT.c
+++ b/net/ipv6/netfilter/ip6t_NPT.c
@@ -14,42 +14,23 @@
#include <linux/netfilter_ipv6/ip6t_NPT.h>
#include <linux/netfilter/x_tables.h>
-static __sum16 csum16_complement(__sum16 a)
-{
- return (__force __sum16)(0xffff - (__force u16)a);
-}
-
-static __sum16 csum16_add(__sum16 a, __sum16 b)
-{
- u16 sum;
-
- sum = (__force u16)a + (__force u16)b;
- sum += (__force u16)a < (__force u16)b;
- return (__force __sum16)sum;
-}
-
-static __sum16 csum16_sub(__sum16 a, __sum16 b)
-{
- return csum16_add(a, csum16_complement(b));
-}
-
static int ip6t_npt_checkentry(const struct xt_tgchk_param *par)
{
struct ip6t_npt_tginfo *npt = par->targinfo;
- __sum16 src_sum = 0, dst_sum = 0;
+ __wsum src_sum = 0, dst_sum = 0;
unsigned int i;
if (npt->src_pfx_len > 64 || npt->dst_pfx_len > 64)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(npt->src_pfx.in6.s6_addr16); i++) {
- src_sum = csum16_add(src_sum,
- (__force __sum16)npt->src_pfx.in6.s6_addr16[i]);
- dst_sum = csum16_add(dst_sum,
- (__force __sum16)npt->dst_pfx.in6.s6_addr16[i]);
+ src_sum = csum_add(src_sum,
+ (__force __wsum)npt->src_pfx.in6.s6_addr16[i]);
+ dst_sum = csum_add(dst_sum,
+ (__force __wsum)npt->dst_pfx.in6.s6_addr16[i]);
}
- npt->adjustment = csum16_sub(src_sum, dst_sum);
+ npt->adjustment = (__force __sum16) csum_sub(src_sum, dst_sum);
return 0;
}
@@ -85,7 +66,7 @@ static bool ip6t_npt_map_pfx(const struct ip6t_npt_tginfo *npt,
return false;
}
- sum = csum16_add((__force __sum16)addr->s6_addr16[idx],
+ sum = (__force __sum16) csum_add((__force __wsum)addr->s6_addr16[idx],
npt->adjustment);
if (sum == CSUM_MANGLED_0)
sum = 0;
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index fd4fb34c51c7..029623dbd411 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -132,6 +132,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
ip6h->saddr = oip6h->daddr;
ip6h->daddr = oip6h->saddr;
+ skb_reset_transport_header(nskb);
tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
/* Truncate to length (no data) */
tcph->doff = sizeof(struct tcphdr)/4;
diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c
index 6c8ae24b85eb..e0e788d25b14 100644
--- a/net/ipv6/netfilter/ip6table_nat.c
+++ b/net/ipv6/netfilter/ip6table_nat.c
@@ -127,23 +127,28 @@ nf_nat_ipv6_fn(unsigned int hooknum,
ret = nf_nat_rule_find(skb, hooknum, in, out, ct);
if (ret != NF_ACCEPT)
return ret;
- } else
+ } else {
pr_debug("Already setup manip %s for ct %p\n",
maniptype == NF_NAT_MANIP_SRC ? "SRC" : "DST",
ct);
+ if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ goto oif_changed;
+ }
break;
default:
/* ESTABLISHED */
NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
ctinfo == IP_CT_ESTABLISHED_REPLY);
- if (nf_nat_oif_changed(hooknum, ctinfo, nat, out)) {
- nf_ct_kill_acct(ct, ctinfo, skb);
- return NF_DROP;
- }
+ if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ goto oif_changed;
}
return nf_nat_packet(ct, ctinfo, hooknum, skb);
+
+oif_changed:
+ nf_ct_kill_acct(ct, ctinfo, skb);
+ return NF_DROP;
}
static unsigned int
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 00ee17c3e893..137e245860ab 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -81,8 +81,8 @@ static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
}
protoff = ipv6_skip_exthdr(skb, extoff, &nexthdr, &frag_off);
/*
- * (protoff == skb->len) mean that the packet doesn't have no data
- * except of IPv6 & ext headers. but it's tracked anyway. - YK
+ * (protoff == skb->len) means the packet has not data, just
+ * IPv6 and possibly extensions headers, but it is tracked anyway
*/
if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
pr_debug("ip6_conntrack_core: can't find proto in pkt\n");
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 22c8ea951185..3dacecc99065 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -311,7 +311,10 @@ found:
else
fq->q.fragments = skb;
- skb->dev = NULL;
+ if (skb->dev) {
+ fq->iif = skb->dev->ifindex;
+ skb->dev = NULL;
+ }
fq->q.stamp = skb->tstamp;
fq->q.meat += skb->len;
if (payload_len > fq->q.max_size)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 1191039c2b1b..199b92261e94 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -389,7 +389,7 @@ void mac802154_wpan_setup(struct net_device *dev)
static int mac802154_process_data(struct net_device *dev, struct sk_buff *skb)
{
- return netif_rx(skb);
+ return netif_rx_ni(skb);
}
static int
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index fefa514b9917..49e96df5fbc4 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -680,6 +680,13 @@ config NETFILTER_XT_TARGET_NFQUEUE
To compile it as a module, choose M here. If unsure, say N.
+config NETFILTER_XT_TARGET_NOTRACK
+ tristate '"NOTRACK" target support (DEPRECATED)'
+ depends on NF_CONNTRACK
+ depends on IP_NF_RAW || IP6_NF_RAW
+ depends on NETFILTER_ADVANCED
+ select NETFILTER_XT_TARGET_CT
+
config NETFILTER_XT_TARGET_RATEEST
tristate '"RATEEST" target support'
depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 08cdc71d8e87..016d95ead930 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1526,6 +1526,7 @@ err_extend:
*/
#define UNCONFIRMED_NULLS_VAL ((1<<30)+0)
#define DYING_NULLS_VAL ((1<<30)+1)
+#define TEMPLATE_NULLS_VAL ((1<<30)+2)
static int nf_conntrack_init_net(struct net *net)
{
@@ -1534,6 +1535,7 @@ static int nf_conntrack_init_net(struct net *net)
atomic_set(&net->ct.count, 0);
INIT_HLIST_NULLS_HEAD(&net->ct.unconfirmed, UNCONFIRMED_NULLS_VAL);
INIT_HLIST_NULLS_HEAD(&net->ct.dying, DYING_NULLS_VAL);
+ INIT_HLIST_NULLS_HEAD(&net->ct.tmpl, TEMPLATE_NULLS_VAL);
net->ct.stat = alloc_percpu(struct ip_conntrack_stat);
if (!net->ct.stat) {
ret = -ENOMEM;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 4e078cd84d83..627b0e50b238 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2624,7 +2624,7 @@ ctnetlink_create_expect(struct net *net, u16 zone,
if (!help) {
if (!cda[CTA_EXPECT_TIMEOUT]) {
err = -EINVAL;
- goto out;
+ goto err_out;
}
exp->timeout.expires =
jiffies + ntohl(nla_get_be32(cda[CTA_EXPECT_TIMEOUT])) * HZ;
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 9f199f2e31fa..92fd8eca0d31 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -13,6 +13,7 @@
*/
#include <linux/module.h>
#include <linux/skbuff.h>
+#include <linux/if_arp.h>
#include <linux/init.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
@@ -384,6 +385,7 @@ __build_packet_message(struct nfulnl_instance *inst,
struct nfgenmsg *nfmsg;
sk_buff_data_t old_tail = inst->skb->tail;
struct sock *sk;
+ const unsigned char *hwhdrp;
nlh = nlmsg_put(inst->skb, 0, 0,
NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET,
@@ -485,9 +487,17 @@ __build_packet_message(struct nfulnl_instance *inst,
if (indev && skb_mac_header_was_set(skb)) {
if (nla_put_be16(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
nla_put_be16(inst->skb, NFULA_HWLEN,
- htons(skb->dev->hard_header_len)) ||
- nla_put(inst->skb, NFULA_HWHEADER, skb->dev->hard_header_len,
- skb_mac_header(skb)))
+ htons(skb->dev->hard_header_len)))
+ goto nla_put_failure;
+
+ hwhdrp = skb_mac_header(skb);
+
+ if (skb->dev->type == ARPHRD_SIT)
+ hwhdrp -= ETH_HLEN;
+
+ if (hwhdrp >= skb->head &&
+ nla_put(inst->skb, NFULA_HWHEADER,
+ skb->dev->hard_header_len, hwhdrp))
goto nla_put_failure;
}
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index ae7f5daeee43..2a0843081840 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -149,6 +149,10 @@ static int xt_ct_tg_check_v0(const struct xt_tgchk_param *par)
__set_bit(IPS_TEMPLATE_BIT, &ct->status);
__set_bit(IPS_CONFIRMED_BIT, &ct->status);
+
+ /* Overload tuple linked list to put us in template list. */
+ hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode,
+ &par->net->ct.tmpl);
out:
info->ct = ct;
return 0;
@@ -289,6 +293,10 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
__set_bit(IPS_TEMPLATE_BIT, &ct->status);
__set_bit(IPS_CONFIRMED_BIT, &ct->status);
+
+ /* Overload tuple linked list to put us in template list. */
+ hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode,
+ &par->net->ct.tmpl);
out:
info->ct = ct;
return 0;
@@ -377,14 +385,60 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = {
},
};
+static unsigned int
+notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ /* Previously seen (loopback)? Ignore. */
+ if (skb->nfct != NULL)
+ return XT_CONTINUE;
+
+ skb->nfct = &nf_ct_untracked_get()->ct_general;
+ skb->nfctinfo = IP_CT_NEW;
+ nf_conntrack_get(skb->nfct);
+
+ return XT_CONTINUE;
+}
+
+static int notrack_chk(const struct xt_tgchk_param *par)
+{
+ if (!par->net->xt.notrack_deprecated_warning) {
+ pr_info("netfilter: NOTRACK target is deprecated, "
+ "use CT instead or upgrade iptables\n");
+ par->net->xt.notrack_deprecated_warning = true;
+ }
+ return 0;
+}
+
+static struct xt_target notrack_tg_reg __read_mostly = {
+ .name = "NOTRACK",
+ .revision = 0,
+ .family = NFPROTO_UNSPEC,
+ .checkentry = notrack_chk,
+ .target = notrack_tg,
+ .table = "raw",
+ .me = THIS_MODULE,
+};
+
static int __init xt_ct_tg_init(void)
{
- return xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ int ret;
+
+ ret = xt_register_target(&notrack_tg_reg);
+ if (ret < 0)
+ return ret;
+
+ ret = xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ if (ret < 0) {
+ xt_unregister_target(&notrack_tg_reg);
+ return ret;
+ }
+ return 0;
}
static void __exit xt_ct_tg_exit(void)
{
xt_unregister_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ xt_unregister_target(&notrack_tg_reg);
}
module_init(xt_ct_tg_init);
@@ -394,3 +448,5 @@ MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Xtables: connection tracking target");
MODULE_ALIAS("ipt_CT");
MODULE_ALIAS("ip6t_CT");
+MODULE_ALIAS("ipt_NOTRACK");
+MODULE_ALIAS("ip6t_NOTRACK");
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 26a668a84aa2..a9d7af953ceb 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -157,11 +157,22 @@ dsthash_find(const struct xt_hashlimit_htable *ht,
/* allocate dsthash_ent, initialize dst, put in htable and lock it */
static struct dsthash_ent *
dsthash_alloc_init(struct xt_hashlimit_htable *ht,
- const struct dsthash_dst *dst)
+ const struct dsthash_dst *dst, bool *race)
{
struct dsthash_ent *ent;
spin_lock(&ht->lock);
+
+ /* Two or more packets may race to create the same entry in the
+ * hashtable, double check if this packet lost race.
+ */
+ ent = dsthash_find(ht, dst);
+ if (ent != NULL) {
+ spin_unlock(&ht->lock);
+ *race = true;
+ return ent;
+ }
+
/* initialize hash with random val at the time we allocate
* the first hashtable entry */
if (unlikely(!ht->rnd_initialized)) {
@@ -318,7 +329,10 @@ static void htable_destroy(struct xt_hashlimit_htable *hinfo)
parent = hashlimit_net->ipt_hashlimit;
else
parent = hashlimit_net->ip6t_hashlimit;
- remove_proc_entry(hinfo->pde->name, parent);
+
+ if(parent != NULL)
+ remove_proc_entry(hinfo->pde->name, parent);
+
htable_selective_cleanup(hinfo, select_all);
vfree(hinfo);
}
@@ -585,6 +599,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
unsigned long now = jiffies;
struct dsthash_ent *dh;
struct dsthash_dst dst;
+ bool race = false;
u32 cost;
if (hashlimit_init_dst(hinfo, &dst, skb, par->thoff) < 0)
@@ -593,13 +608,18 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
rcu_read_lock_bh();
dh = dsthash_find(hinfo, &dst);
if (dh == NULL) {
- dh = dsthash_alloc_init(hinfo, &dst);
+ dh = dsthash_alloc_init(hinfo, &dst, &race);
if (dh == NULL) {
rcu_read_unlock_bh();
goto hotdrop;
+ } else if (race) {
+ /* Already got an entry, update expiration timeout */
+ dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
+ rateinfo_recalc(dh, now, hinfo->cfg.mode);
+ } else {
+ dh->expires = jiffies + msecs_to_jiffies(hinfo->cfg.expire);
+ rateinfo_init(dh, hinfo);
}
- dh->expires = jiffies + msecs_to_jiffies(hinfo->cfg.expire);
- rateinfo_init(dh, hinfo);
} else {
/* update expiration timeout */
dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
@@ -856,6 +876,27 @@ static int __net_init hashlimit_proc_net_init(struct net *net)
static void __net_exit hashlimit_proc_net_exit(struct net *net)
{
+ struct xt_hashlimit_htable *hinfo;
+ struct hlist_node *pos;
+ struct proc_dir_entry *pde;
+ struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
+
+ /* recent_net_exit() is called before recent_mt_destroy(). Make sure
+ * that the parent xt_recent proc entry is is empty before trying to
+ * remove it.
+ */
+ mutex_lock(&hashlimit_mutex);
+ pde = hashlimit_net->ipt_hashlimit;
+ if (pde == NULL)
+ pde = hashlimit_net->ip6t_hashlimit;
+
+ hlist_for_each_entry(hinfo, pos, &hashlimit_net->htables, node)
+ remove_proc_entry(hinfo->pde->name, pde);
+
+ hashlimit_net->ipt_hashlimit = NULL;
+ hashlimit_net->ip6t_hashlimit = NULL;
+ mutex_unlock(&hashlimit_mutex);
+
proc_net_remove(net, "ipt_hashlimit");
#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
proc_net_remove(net, "ip6t_hashlimit");
@@ -872,9 +913,6 @@ static int __net_init hashlimit_net_init(struct net *net)
static void __net_exit hashlimit_net_exit(struct net *net)
{
- struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
-
- BUG_ON(!hlist_empty(&hashlimit_net->htables));
hashlimit_proc_net_exit(net);
}
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 4635c9b00459..978efc9b555a 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -29,6 +29,7 @@
#include <linux/skbuff.h>
#include <linux/inet.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
@@ -310,6 +311,14 @@ out:
return ret;
}
+static void recent_table_free(void *addr)
+{
+ if (is_vmalloc_addr(addr))
+ vfree(addr);
+ else
+ kfree(addr);
+}
+
static int recent_mt_check(const struct xt_mtchk_param *par,
const struct xt_recent_mtinfo_v1 *info)
{
@@ -322,6 +331,7 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
#endif
unsigned int i;
int ret = -EINVAL;
+ size_t sz;
if (unlikely(!hash_rnd_inited)) {
get_random_bytes(&hash_rnd, sizeof(hash_rnd));
@@ -360,8 +370,11 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
goto out;
}
- t = kzalloc(sizeof(*t) + sizeof(t->iphash[0]) * ip_list_hash_size,
- GFP_KERNEL);
+ sz = sizeof(*t) + sizeof(t->iphash[0]) * ip_list_hash_size;
+ if (sz <= PAGE_SIZE)
+ t = kzalloc(sz, GFP_KERNEL);
+ else
+ t = vzalloc(sz);
if (t == NULL) {
ret = -ENOMEM;
goto out;
@@ -377,14 +390,14 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
uid = make_kuid(&init_user_ns, ip_list_uid);
gid = make_kgid(&init_user_ns, ip_list_gid);
if (!uid_valid(uid) || !gid_valid(gid)) {
- kfree(t);
+ recent_table_free(t);
ret = -EINVAL;
goto out;
}
pde = proc_create_data(t->name, ip_list_perms, recent_net->xt_recent,
&recent_mt_fops, t);
if (pde == NULL) {
- kfree(t);
+ recent_table_free(t);
ret = -ENOMEM;
goto out;
}
@@ -431,10 +444,11 @@ static void recent_mt_destroy(const struct xt_mtdtor_param *par)
list_del(&t->list);
spin_unlock_bh(&recent_lock);
#ifdef CONFIG_PROC_FS
- remove_proc_entry(t->name, recent_net->xt_recent);
+ if (recent_net->xt_recent != NULL)
+ remove_proc_entry(t->name, recent_net->xt_recent);
#endif
recent_table_flush(t);
- kfree(t);
+ recent_table_free(t);
}
mutex_unlock(&recent_mutex);
}
@@ -615,6 +629,20 @@ static int __net_init recent_proc_net_init(struct net *net)
static void __net_exit recent_proc_net_exit(struct net *net)
{
+ struct recent_net *recent_net = recent_pernet(net);
+ struct recent_table *t;
+
+ /* recent_net_exit() is called before recent_mt_destroy(). Make sure
+ * that the parent xt_recent proc entry is is empty before trying to
+ * remove it.
+ */
+ spin_lock_bh(&recent_lock);
+ list_for_each_entry(t, &recent_net->tables, list)
+ remove_proc_entry(t->name, recent_net->xt_recent);
+
+ recent_net->xt_recent = NULL;
+ spin_unlock_bh(&recent_lock);
+
proc_net_remove(net, "xt_recent");
}
#else
@@ -638,9 +666,6 @@ static int __net_init recent_net_init(struct net *net)
static void __net_exit recent_net_exit(struct net *net)
{
- struct recent_net *recent_net = recent_pernet(net);
-
- BUG_ON(!list_empty(&recent_net->tables));
recent_proc_net_exit(net);
}
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index c26210618e14..7521d944c0fb 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -68,7 +68,7 @@ config SCTP_DBG_OBJCNT
If unsure, say N
choice
prompt "Default SCTP cookie HMAC encoding"
- default SCTP_COOKIE_HMAC_MD5
+ default SCTP_DEFAULT_COOKIE_HMAC_MD5
help
This option sets the default sctp cookie hmac algorithm
when in doubt select 'md5'
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 822f020fa7f4..1915ffe598e3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -610,11 +610,6 @@ EXPORT_SYMBOL_GPL(rpc_killall_tasks);
*/
void rpc_shutdown_client(struct rpc_clnt *clnt)
{
- /*
- * To avoid deadlock, never call rpc_shutdown_client from a
- * workqueue context!
- */
- WARN_ON_ONCE(current->flags & PF_WQ_WORKER);
might_sleep();
dprintk_rcu("RPC: shutting down %s client for %s\n",
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index d17a704aaf5f..b4133bd13915 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -934,16 +934,35 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data)
return task;
}
+/*
+ * rpc_free_task - release rpc task and perform cleanups
+ *
+ * Note that we free up the rpc_task _after_ rpc_release_calldata()
+ * in order to work around a workqueue dependency issue.
+ *
+ * Tejun Heo states:
+ * "Workqueue currently considers two work items to be the same if they're
+ * on the same address and won't execute them concurrently - ie. it
+ * makes a work item which is queued again while being executed wait
+ * for the previous execution to complete.
+ *
+ * If a work function frees the work item, and then waits for an event
+ * which should be performed by another work item and *that* work item
+ * recycles the freed work item, it can create a false dependency loop.
+ * There really is no reliable way to detect this short of verifying
+ * every memory free."
+ *
+ */
static void rpc_free_task(struct rpc_task *task)
{
- const struct rpc_call_ops *tk_ops = task->tk_ops;
- void *calldata = task->tk_calldata;
+ unsigned short tk_flags = task->tk_flags;
+
+ rpc_release_calldata(task->tk_ops, task->tk_calldata);
- if (task->tk_flags & RPC_TASK_DYNAMIC) {
+ if (tk_flags & RPC_TASK_DYNAMIC) {
dprintk("RPC: %5u freeing task\n", task->tk_pid);
mempool_free(task, rpc_task_mempool);
}
- rpc_release_calldata(tk_ops, calldata);
}
static void rpc_async_release(struct work_struct *work)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-07 22:18:37 +0300