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-rw-r--r--net/8021q/vlan.h1
-rw-r--r--net/8021q/vlan_dev.c3
-rw-r--r--net/8021q/vlan_netlink.c19
-rw-r--r--net/ipv4/netfilter/arp_tables.c27
-rw-r--r--net/ipv4/tcp_input.c5
-rw-r--r--net/netfilter/ipset/ip_set_core.c3
-rw-r--r--net/netfilter/nf_conntrack_proto_dccp.c3
-rw-r--r--net/netfilter/nf_conntrack_proto_sctp.c3
-rw-r--r--net/netfilter/nf_flow_table_core.c7
-rw-r--r--net/netfilter/nf_flow_table_ip.c4
-rw-r--r--net/netfilter/nf_flow_table_offload.c50
-rw-r--r--net/netfilter/nf_tables_api.c8
-rw-r--r--net/netfilter/nft_flow_offload.c3
-rw-r--r--net/qrtr/qrtr.c2
-rw-r--r--net/sched/sch_cake.c2
-rw-r--r--net/sched/sch_fq.c6
-rw-r--r--net/sched/sch_prio.c10
-rw-r--r--net/sctp/sm_sideeffect.c28
-rw-r--r--net/tipc/Makefile4
-rw-r--r--net/tipc/netlink_compat.c4
-rw-r--r--net/tipc/socket.c57
21 files changed, 157 insertions, 92 deletions
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index c46daf09a501..bb7ec1a3915d 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -126,6 +126,7 @@ int vlan_check_real_dev(struct net_device *real_dev,
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
+void vlan_dev_uninit(struct net_device *dev);
bool vlan_dev_inherit_address(struct net_device *dev,
struct net_device *real_dev);
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 5ff8059837b4..990b9fde28c6 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -586,7 +586,8 @@ static int vlan_dev_init(struct net_device *dev)
return 0;
}
-static void vlan_dev_uninit(struct net_device *dev)
+/* Note: this function might be called multiple times for the same device. */
+void vlan_dev_uninit(struct net_device *dev)
{
struct vlan_priority_tci_mapping *pm;
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index c482a6fe9393..0db85aeb119b 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -108,11 +108,13 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
struct ifla_vlan_flags *flags;
struct ifla_vlan_qos_mapping *m;
struct nlattr *attr;
- int rem;
+ int rem, err;
if (data[IFLA_VLAN_FLAGS]) {
flags = nla_data(data[IFLA_VLAN_FLAGS]);
- vlan_dev_change_flags(dev, flags->flags, flags->mask);
+ err = vlan_dev_change_flags(dev, flags->flags, flags->mask);
+ if (err)
+ return err;
}
if (data[IFLA_VLAN_INGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_INGRESS_QOS], rem) {
@@ -123,7 +125,9 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
if (data[IFLA_VLAN_EGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_EGRESS_QOS], rem) {
m = nla_data(attr);
- vlan_dev_set_egress_priority(dev, m->from, m->to);
+ err = vlan_dev_set_egress_priority(dev, m->from, m->to);
+ if (err)
+ return err;
}
}
return 0;
@@ -179,10 +183,11 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev,
return -EINVAL;
err = vlan_changelink(dev, tb, data, extack);
- if (err < 0)
- return err;
-
- return register_vlan_dev(dev, extack);
+ if (!err)
+ err = register_vlan_dev(dev, extack);
+ if (err)
+ vlan_dev_uninit(dev);
+ return err;
}
static inline size_t vlan_qos_map_size(unsigned int n)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 214154b47d56..069f72edb264 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -384,10 +384,11 @@ next: ;
return 1;
}
-static inline int check_target(struct arpt_entry *e, const char *name)
+static int check_target(struct arpt_entry *e, struct net *net, const char *name)
{
struct xt_entry_target *t = arpt_get_target(e);
struct xt_tgchk_param par = {
+ .net = net,
.table = name,
.entryinfo = e,
.target = t->u.kernel.target,
@@ -399,8 +400,9 @@ static inline int check_target(struct arpt_entry *e, const char *name)
return xt_check_target(&par, t->u.target_size - sizeof(*t), 0, false);
}
-static inline int
-find_check_entry(struct arpt_entry *e, const char *name, unsigned int size,
+static int
+find_check_entry(struct arpt_entry *e, struct net *net, const char *name,
+ unsigned int size,
struct xt_percpu_counter_alloc_state *alloc_state)
{
struct xt_entry_target *t;
@@ -419,7 +421,7 @@ find_check_entry(struct arpt_entry *e, const char *name, unsigned int size,
}
t->u.kernel.target = target;
- ret = check_target(e, name);
+ ret = check_target(e, net, name);
if (ret)
goto err;
return 0;
@@ -512,7 +514,9 @@ static inline void cleanup_entry(struct arpt_entry *e)
/* Checks and translates the user-supplied table segment (held in
* newinfo).
*/
-static int translate_table(struct xt_table_info *newinfo, void *entry0,
+static int translate_table(struct net *net,
+ struct xt_table_info *newinfo,
+ void *entry0,
const struct arpt_replace *repl)
{
struct xt_percpu_counter_alloc_state alloc_state = { 0 };
@@ -569,7 +573,7 @@ static int translate_table(struct xt_table_info *newinfo, void *entry0,
/* Finally, each sanity check must pass */
i = 0;
xt_entry_foreach(iter, entry0, newinfo->size) {
- ret = find_check_entry(iter, repl->name, repl->size,
+ ret = find_check_entry(iter, net, repl->name, repl->size,
&alloc_state);
if (ret != 0)
break;
@@ -974,7 +978,7 @@ static int do_replace(struct net *net, const void __user *user,
goto free_newinfo;
}
- ret = translate_table(newinfo, loc_cpu_entry, &tmp);
+ ret = translate_table(net, newinfo, loc_cpu_entry, &tmp);
if (ret != 0)
goto free_newinfo;
@@ -1149,7 +1153,8 @@ compat_copy_entry_from_user(struct compat_arpt_entry *e, void **dstptr,
}
}
-static int translate_compat_table(struct xt_table_info **pinfo,
+static int translate_compat_table(struct net *net,
+ struct xt_table_info **pinfo,
void **pentry0,
const struct compat_arpt_replace *compatr)
{
@@ -1217,7 +1222,7 @@ static int translate_compat_table(struct xt_table_info **pinfo,
repl.num_counters = 0;
repl.counters = NULL;
repl.size = newinfo->size;
- ret = translate_table(newinfo, entry1, &repl);
+ ret = translate_table(net, newinfo, entry1, &repl);
if (ret)
goto free_newinfo;
@@ -1270,7 +1275,7 @@ static int compat_do_replace(struct net *net, void __user *user,
goto free_newinfo;
}
- ret = translate_compat_table(&newinfo, &loc_cpu_entry, &tmp);
+ ret = translate_compat_table(net, &newinfo, &loc_cpu_entry, &tmp);
if (ret != 0)
goto free_newinfo;
@@ -1546,7 +1551,7 @@ int arpt_register_table(struct net *net,
loc_cpu_entry = newinfo->entries;
memcpy(loc_cpu_entry, repl->entries, repl->size);
- ret = translate_table(newinfo, loc_cpu_entry, repl);
+ ret = translate_table(net, newinfo, loc_cpu_entry, repl);
if (ret != 0)
goto out_free;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1d1e3493965f..062b696a5fa1 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1727,8 +1727,11 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb,
}
/* Ignore very old stuff early */
- if (!after(sp[used_sacks].end_seq, prior_snd_una))
+ if (!after(sp[used_sacks].end_seq, prior_snd_una)) {
+ if (i == 0)
+ first_sack_index = -1;
continue;
+ }
used_sacks++;
}
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 169e0a04f814..cf895bc80871 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1848,6 +1848,7 @@ static int ip_set_utest(struct net *net, struct sock *ctnl, struct sk_buff *skb,
struct ip_set *set;
struct nlattr *tb[IPSET_ATTR_ADT_MAX + 1] = {};
int ret = 0;
+ u32 lineno;
if (unlikely(protocol_min_failed(attr) ||
!attr[IPSET_ATTR_SETNAME] ||
@@ -1864,7 +1865,7 @@ static int ip_set_utest(struct net *net, struct sock *ctnl, struct sk_buff *skb,
return -IPSET_ERR_PROTOCOL;
rcu_read_lock_bh();
- ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0, 0);
+ ret = set->variant->uadt(set, tb, IPSET_TEST, &lineno, 0, 0);
rcu_read_unlock_bh();
/* Userspace can't trigger element to be re-added */
if (ret == -EAGAIN)
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index b6b14db3955b..b3f4a334f9d7 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -677,6 +677,9 @@ static int dccp_timeout_nlattr_to_obj(struct nlattr *tb[],
unsigned int *timeouts = data;
int i;
+ if (!timeouts)
+ timeouts = dn->dccp_timeout;
+
/* set default DCCP timeouts. */
for (i=0; i<CT_DCCP_MAX; i++)
timeouts[i] = dn->dccp_timeout[i];
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index fce3d93f1541..0399ae8f1188 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -594,6 +594,9 @@ static int sctp_timeout_nlattr_to_obj(struct nlattr *tb[],
struct nf_sctp_net *sn = nf_sctp_pernet(net);
int i;
+ if (!timeouts)
+ timeouts = sn->timeouts;
+
/* set default SCTP timeouts. */
for (i=0; i<SCTP_CONNTRACK_MAX; i++)
timeouts[i] = sn->timeouts[i];
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 9889d52eda82..e33a73cb1f42 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -134,11 +134,6 @@ static void flow_offload_fixup_tcp(struct ip_ct_tcp *tcp)
#define NF_FLOWTABLE_TCP_PICKUP_TIMEOUT (120 * HZ)
#define NF_FLOWTABLE_UDP_PICKUP_TIMEOUT (30 * HZ)
-static inline __s32 nf_flow_timeout_delta(unsigned int timeout)
-{
- return (__s32)(timeout - (u32)jiffies);
-}
-
static void flow_offload_fixup_ct_timeout(struct nf_conn *ct)
{
const struct nf_conntrack_l4proto *l4proto;
@@ -232,7 +227,7 @@ int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow)
{
int err;
- flow->timeout = (u32)jiffies + NF_FLOW_TIMEOUT;
+ flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
err = rhashtable_insert_fast(&flow_table->rhashtable,
&flow->tuplehash[0].node,
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index b9e7dd6e60ce..7ea2ddc2aa93 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -280,7 +280,7 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (nf_flow_nat_ip(flow, skb, thoff, dir) < 0)
return NF_DROP;
- flow->timeout = (u32)jiffies + NF_FLOW_TIMEOUT;
+ flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
iph = ip_hdr(skb);
ip_decrease_ttl(iph);
skb->tstamp = 0;
@@ -509,7 +509,7 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
if (nf_flow_nat_ipv6(flow, skb, dir) < 0)
return NF_DROP;
- flow->timeout = (u32)jiffies + NF_FLOW_TIMEOUT;
+ flow->timeout = nf_flowtable_time_stamp + NF_FLOW_TIMEOUT;
ip6h = ipv6_hdr(skb);
ip6h->hop_limit--;
skb->tstamp = 0;
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index 0d72e5ccb47b..d06969af1085 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -166,24 +166,38 @@ static int flow_offload_eth_dst(struct net *net,
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule)
{
- const struct flow_offload_tuple *tuple = &flow->tuplehash[dir].tuple;
struct flow_action_entry *entry0 = flow_action_entry_next(flow_rule);
struct flow_action_entry *entry1 = flow_action_entry_next(flow_rule);
+ const void *daddr = &flow->tuplehash[!dir].tuple.src_v4;
+ const struct dst_entry *dst_cache;
+ unsigned char ha[ETH_ALEN];
struct neighbour *n;
u32 mask, val;
+ u8 nud_state;
u16 val16;
- n = dst_neigh_lookup(tuple->dst_cache, &tuple->dst_v4);
+ dst_cache = flow->tuplehash[dir].tuple.dst_cache;
+ n = dst_neigh_lookup(dst_cache, daddr);
if (!n)
return -ENOENT;
+ read_lock_bh(&n->lock);
+ nud_state = n->nud_state;
+ ether_addr_copy(ha, n->ha);
+ read_unlock_bh(&n->lock);
+
+ if (!(nud_state & NUD_VALID)) {
+ neigh_release(n);
+ return -ENOENT;
+ }
+
mask = ~0xffffffff;
- memcpy(&val, n->ha, 4);
+ memcpy(&val, ha, 4);
flow_offload_mangle(entry0, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 0,
&val, &mask);
mask = ~0x0000ffff;
- memcpy(&val16, n->ha + 4, 2);
+ memcpy(&val16, ha + 4, 2);
val = val16;
flow_offload_mangle(entry1, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 4,
&val, &mask);
@@ -335,22 +349,26 @@ static void flow_offload_port_snat(struct net *net,
struct nf_flow_rule *flow_rule)
{
struct flow_action_entry *entry = flow_action_entry_next(flow_rule);
- u32 mask = ~htonl(0xffff0000), port;
+ u32 mask, port;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port);
offset = 0; /* offsetof(struct tcphdr, source); */
+ port = htonl(port << 16);
+ mask = ~htonl(0xffff0000);
break;
case FLOW_OFFLOAD_DIR_REPLY:
port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port);
offset = 0; /* offsetof(struct tcphdr, dest); */
+ port = htonl(port);
+ mask = ~htonl(0xffff);
break;
default:
return;
}
- port = htonl(port << 16);
+
flow_offload_mangle(entry, flow_offload_l4proto(flow), offset,
&port, &mask);
}
@@ -361,22 +379,26 @@ static void flow_offload_port_dnat(struct net *net,
struct nf_flow_rule *flow_rule)
{
struct flow_action_entry *entry = flow_action_entry_next(flow_rule);
- u32 mask = ~htonl(0xffff), port;
+ u32 mask, port;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
- port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port);
- offset = 0; /* offsetof(struct tcphdr, source); */
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_port);
+ offset = 0; /* offsetof(struct tcphdr, dest); */
+ port = htonl(port);
+ mask = ~htonl(0xffff);
break;
case FLOW_OFFLOAD_DIR_REPLY:
- port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port);
- offset = 0; /* offsetof(struct tcphdr, dest); */
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_port);
+ offset = 0; /* offsetof(struct tcphdr, source); */
+ port = htonl(port << 16);
+ mask = ~htonl(0xffff0000);
break;
default:
return;
}
- port = htonl(port);
+
flow_offload_mangle(entry, flow_offload_l4proto(flow), offset,
&port, &mask);
}
@@ -759,9 +781,9 @@ void nf_flow_offload_stats(struct nf_flowtable *flowtable,
struct flow_offload *flow)
{
struct flow_offload_work *offload;
- s64 delta;
+ __s32 delta;
- delta = flow->timeout - jiffies;
+ delta = nf_flow_timeout_delta(flow->timeout);
if ((delta >= (9 * NF_FLOW_TIMEOUT) / 10) ||
flow->flags & FLOW_OFFLOAD_HW_DYING)
return;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 273f3838318b..43f05b3acd60 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5984,6 +5984,7 @@ nft_flowtable_type_get(struct net *net, u8 family)
return ERR_PTR(-ENOENT);
}
+/* Only called from error and netdev event paths. */
static void nft_unregister_flowtable_hook(struct net *net,
struct nft_flowtable *flowtable,
struct nft_hook *hook)
@@ -5999,7 +6000,7 @@ static void nft_unregister_flowtable_net_hooks(struct net *net,
struct nft_hook *hook;
list_for_each_entry(hook, &flowtable->hook_list, list)
- nft_unregister_flowtable_hook(net, flowtable, hook);
+ nf_unregister_net_hook(net, &hook->ops);
}
static int nft_register_flowtable_net_hooks(struct net *net,
@@ -6448,12 +6449,14 @@ static void nf_tables_flowtable_destroy(struct nft_flowtable *flowtable)
{
struct nft_hook *hook, *next;
+ flowtable->data.type->free(&flowtable->data);
list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
+ flowtable->data.type->setup(&flowtable->data, hook->ops.dev,
+ FLOW_BLOCK_UNBIND);
list_del_rcu(&hook->list);
kfree(hook);
}
kfree(flowtable->name);
- flowtable->data.type->free(&flowtable->data);
module_put(flowtable->data.type->owner);
kfree(flowtable);
}
@@ -6497,6 +6500,7 @@ static void nft_flowtable_event(unsigned long event, struct net_device *dev,
if (hook->ops.dev != dev)
continue;
+ /* flow_offload_netdev_event() cleans up entries for us. */
nft_unregister_flowtable_hook(dev_net(dev), flowtable, hook);
list_del_rcu(&hook->list);
kfree_rcu(hook, rcu);
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index dd82ff2ee19f..b70b48996801 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -200,9 +200,6 @@ static void nft_flow_offload_activate(const struct nft_ctx *ctx,
static void nft_flow_offload_destroy(const struct nft_ctx *ctx,
const struct nft_expr *expr)
{
- struct nft_flow_offload *priv = nft_expr_priv(expr);
-
- priv->flowtable->use--;
nf_ct_netns_put(ctx->net, ctx->family);
}
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 88f98f27ad88..3d24d45be5f4 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -196,7 +196,7 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb,
hdr->size = cpu_to_le32(len);
hdr->confirm_rx = 0;
- skb_put_padto(skb, ALIGN(len, 4));
+ skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr));
mutex_lock(&node->ep_lock);
if (node->ep)
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 6cc3ab145513..90ef7cc79b69 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1768,7 +1768,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
q->avg_window_begin));
u64 b = q->avg_window_bytes * (u64)NSEC_PER_SEC;
- do_div(b, window_interval);
+ b = div64_u64(b, window_interval);
q->avg_peak_bandwidth =
cake_ewma(q->avg_peak_bandwidth, b,
b > q->avg_peak_bandwidth ? 2 : 8);
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index ff4c5e9d0d77..a5a295477ecc 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -786,10 +786,12 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt,
if (tb[TCA_FQ_QUANTUM]) {
u32 quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]);
- if (quantum > 0)
+ if (quantum > 0 && quantum <= (1 << 20)) {
q->quantum = quantum;
- else
+ } else {
+ NL_SET_ERR_MSG_MOD(extack, "invalid quantum");
err = -EINVAL;
+ }
}
if (tb[TCA_FQ_INITIAL_QUANTUM])
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 18b884cfdfe8..647941702f9f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -292,8 +292,14 @@ static int prio_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
struct tc_prio_qopt_offload graft_offload;
unsigned long band = arg - 1;
- if (new == NULL)
- new = &noop_qdisc;
+ if (!new) {
+ new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, arg), extack);
+ if (!new)
+ new = &noop_qdisc;
+ else
+ qdisc_hash_add(new, true);
+ }
*old = qdisc_replace(sch, new, &q->queues[band]);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index ce82699d0dca..2bc29463e1dc 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1359,8 +1359,10 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
/* Generate an INIT ACK chunk. */
new_obj = sctp_make_init_ack(asoc, chunk, GFP_ATOMIC,
0);
- if (!new_obj)
- goto nomem;
+ if (!new_obj) {
+ error = -ENOMEM;
+ break;
+ }
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
SCTP_CHUNK(new_obj));
@@ -1382,7 +1384,8 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
if (!new_obj) {
if (cmd->obj.chunk)
sctp_chunk_free(cmd->obj.chunk);
- goto nomem;
+ error = -ENOMEM;
+ break;
}
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
SCTP_CHUNK(new_obj));
@@ -1429,8 +1432,10 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
/* Generate a SHUTDOWN chunk. */
new_obj = sctp_make_shutdown(asoc, chunk);
- if (!new_obj)
- goto nomem;
+ if (!new_obj) {
+ error = -ENOMEM;
+ break;
+ }
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
SCTP_CHUNK(new_obj));
break;
@@ -1766,11 +1771,17 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
break;
}
- if (error)
+ if (error) {
+ cmd = sctp_next_cmd(commands);
+ while (cmd) {
+ if (cmd->verb == SCTP_CMD_REPLY)
+ sctp_chunk_free(cmd->obj.chunk);
+ cmd = sctp_next_cmd(commands);
+ }
break;
+ }
}
-out:
/* If this is in response to a received chunk, wait until
* we are done with the packet to open the queue so that we don't
* send multiple packets in response to a single request.
@@ -1785,7 +1796,4 @@ out:
sp->data_ready_signalled = 0;
return error;
-nomem:
- error = -ENOMEM;
- goto out;
}
diff --git a/net/tipc/Makefile b/net/tipc/Makefile
index 11255e970dd4..ee49a9f1dd4f 100644
--- a/net/tipc/Makefile
+++ b/net/tipc/Makefile
@@ -9,7 +9,7 @@ tipc-y += addr.o bcast.o bearer.o \
core.o link.o discover.o msg.o \
name_distr.o subscr.o monitor.o name_table.o net.o \
netlink.o netlink_compat.o node.o socket.o eth_media.o \
- topsrv.o socket.o group.o trace.o
+ topsrv.o group.o trace.o
CFLAGS_trace.o += -I$(src)
@@ -20,5 +20,3 @@ tipc-$(CONFIG_TIPC_CRYPTO) += crypto.o
obj-$(CONFIG_TIPC_DIAG) += diag.o
-
-tipc_diag-y := diag.o
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 0254bb7e418b..217516357ef2 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -204,8 +204,8 @@ static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
return -ENOMEM;
}
- attrbuf = kmalloc_array(tipc_genl_family.maxattr + 1,
- sizeof(struct nlattr *), GFP_KERNEL);
+ attrbuf = kcalloc(tipc_genl_family.maxattr + 1,
+ sizeof(struct nlattr *), GFP_KERNEL);
if (!attrbuf) {
err = -ENOMEM;
goto err_out;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 6552f986774c..f9b4fb92c0b1 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -287,12 +287,12 @@ static void tipc_sk_respond(struct sock *sk, struct sk_buff *skb, int err)
*
* Caller must hold socket lock
*/
-static void tsk_rej_rx_queue(struct sock *sk)
+static void tsk_rej_rx_queue(struct sock *sk, int error)
{
struct sk_buff *skb;
while ((skb = __skb_dequeue(&sk->sk_receive_queue)))
- tipc_sk_respond(sk, skb, TIPC_ERR_NO_PORT);
+ tipc_sk_respond(sk, skb, error);
}
static bool tipc_sk_connected(struct sock *sk)
@@ -545,34 +545,45 @@ static void __tipc_shutdown(struct socket *sock, int error)
/* Remove pending SYN */
__skb_queue_purge(&sk->sk_write_queue);
- /* Reject all unreceived messages, except on an active connection
- * (which disconnects locally & sends a 'FIN+' to peer).
- */
- while ((skb = __skb_dequeue(&sk->sk_receive_queue)) != NULL) {
- if (TIPC_SKB_CB(skb)->bytes_read) {
- kfree_skb(skb);
- continue;
- }
- if (!tipc_sk_type_connectionless(sk) &&
- sk->sk_state != TIPC_DISCONNECTING) {
- tipc_set_sk_state(sk, TIPC_DISCONNECTING);
- tipc_node_remove_conn(net, dnode, tsk->portid);
- }
- tipc_sk_respond(sk, skb, error);
+ /* Remove partially received buffer if any */
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb && TIPC_SKB_CB(skb)->bytes_read) {
+ __skb_unlink(skb, &sk->sk_receive_queue);
+ kfree_skb(skb);
}
- if (tipc_sk_type_connectionless(sk))
+ /* Reject all unreceived messages if connectionless */
+ if (tipc_sk_type_connectionless(sk)) {
+ tsk_rej_rx_queue(sk, error);
return;
+ }
- if (sk->sk_state != TIPC_DISCONNECTING) {
+ switch (sk->sk_state) {
+ case TIPC_CONNECTING:
+ case TIPC_ESTABLISHED:
+ tipc_set_sk_state(sk, TIPC_DISCONNECTING);
+ tipc_node_remove_conn(net, dnode, tsk->portid);
+ /* Send a FIN+/- to its peer */
+ skb = __skb_dequeue(&sk->sk_receive_queue);
+ if (skb) {
+ __skb_queue_purge(&sk->sk_receive_queue);
+ tipc_sk_respond(sk, skb, error);
+ break;
+ }
skb = tipc_msg_create(TIPC_CRITICAL_IMPORTANCE,
TIPC_CONN_MSG, SHORT_H_SIZE, 0, dnode,
tsk_own_node(tsk), tsk_peer_port(tsk),
tsk->portid, error);
if (skb)
tipc_node_xmit_skb(net, skb, dnode, tsk->portid);
- tipc_node_remove_conn(net, dnode, tsk->portid);
- tipc_set_sk_state(sk, TIPC_DISCONNECTING);
+ break;
+ case TIPC_LISTEN:
+ /* Reject all SYN messages */
+ tsk_rej_rx_queue(sk, error);
+ break;
+ default:
+ __skb_queue_purge(&sk->sk_receive_queue);
+ break;
}
}
@@ -2432,8 +2443,8 @@ static int tipc_wait_for_connect(struct socket *sock, long *timeo_p)
return sock_intr_errno(*timeo_p);
add_wait_queue(sk_sleep(sk), &wait);
- done = sk_wait_event(sk, timeo_p,
- sk->sk_state != TIPC_CONNECTING, &wait);
+ done = sk_wait_event(sk, timeo_p, tipc_sk_connected(sk),
+ &wait);
remove_wait_queue(sk_sleep(sk), &wait);
} while (!done);
return 0;
@@ -2643,7 +2654,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags,
* Reject any stray messages received by new socket
* before the socket lock was taken (very, very unlikely)
*/
- tsk_rej_rx_queue(new_sk);
+ tsk_rej_rx_queue(new_sk, TIPC_ERR_NO_PORT);
/* Connect new socket to it's peer */
tipc_sk_finish_conn(new_tsock, msg_origport(msg), msg_orignode(msg));
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.