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Diffstat (limited to 'net')
-rw-r--r--net/ipv4/Kconfig1
-rw-r--r--net/ipv4/bpf_tcp_ca.c7
-rw-r--r--net/ipv4/ip_vti.c38
-rw-r--r--net/ipv6/ip6_vti.c34
-rw-r--r--net/ipv6/xfrm6_tunnel.c2
-rw-r--r--net/mac80211/debugfs_sta.c3
-rw-r--r--net/mac80211/key.c20
-rw-r--r--net/mac80211/sta_info.c7
-rw-r--r--net/mac80211/sta_info.h1
-rw-r--r--net/mac80211/tx.c39
-rw-r--r--net/wireless/nl80211.c2
-rw-r--r--net/wireless/scan.c6
-rw-r--r--net/xfrm/xfrm_device.c9
-rw-r--r--net/xfrm/xfrm_policy.c2
-rw-r--r--net/xfrm/xfrm_user.c6
15 files changed, 132 insertions, 45 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index f96bd489b362..6490b845e17b 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -303,6 +303,7 @@ config SYN_COOKIES
config NET_IPVTI
tristate "Virtual (secure) IP: tunneling"
+ depends on IPV6 || IPV6=n
select INET_TUNNEL
select NET_IP_TUNNEL
select XFRM
diff --git a/net/ipv4/bpf_tcp_ca.c b/net/ipv4/bpf_tcp_ca.c
index 574972bc7299..2bf3abeb1456 100644
--- a/net/ipv4/bpf_tcp_ca.c
+++ b/net/ipv4/bpf_tcp_ca.c
@@ -184,7 +184,6 @@ static int bpf_tcp_ca_init_member(const struct btf_type *t,
{
const struct tcp_congestion_ops *utcp_ca;
struct tcp_congestion_ops *tcp_ca;
- size_t tcp_ca_name_len;
int prog_fd;
u32 moff;
@@ -199,13 +198,11 @@ static int bpf_tcp_ca_init_member(const struct btf_type *t,
tcp_ca->flags = utcp_ca->flags;
return 1;
case offsetof(struct tcp_congestion_ops, name):
- tcp_ca_name_len = strnlen(utcp_ca->name, sizeof(utcp_ca->name));
- if (!tcp_ca_name_len ||
- tcp_ca_name_len == sizeof(utcp_ca->name))
+ if (bpf_obj_name_cpy(tcp_ca->name, utcp_ca->name,
+ sizeof(tcp_ca->name)) <= 0)
return -EINVAL;
if (tcp_ca_find(utcp_ca->name))
return -EEXIST;
- memcpy(tcp_ca->name, utcp_ca->name, sizeof(tcp_ca->name));
return 1;
}
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 37cddd18f282..1b4e6f298648 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -187,17 +187,39 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
int mtu;
if (!dst) {
- struct rtable *rt;
-
- fl->u.ip4.flowi4_oif = dev->ifindex;
- fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
- rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
- if (IS_ERR(rt)) {
+ switch (skb->protocol) {
+ case htons(ETH_P_IP): {
+ struct rtable *rt;
+
+ fl->u.ip4.flowi4_oif = dev->ifindex;
+ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+ if (IS_ERR(rt)) {
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
+ }
+ dst = &rt->dst;
+ skb_dst_set(skb, dst);
+ break;
+ }
+#if IS_ENABLED(CONFIG_IPV6)
+ case htons(ETH_P_IPV6):
+ fl->u.ip6.flowi6_oif = dev->ifindex;
+ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+ if (dst->error) {
+ dst_release(dst);
+ dst = NULL;
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
+ }
+ skb_dst_set(skb, dst);
+ break;
+#endif
+ default:
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
}
- dst = &rt->dst;
- skb_dst_set(skb, dst);
}
dst_hold(dst);
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 524006aa0d78..cc6180e08a4f 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -311,7 +311,7 @@ static int vti6_rcv(struct sk_buff *skb)
if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
rcu_read_unlock();
- return 0;
+ goto discard;
}
ipv6h = ipv6_hdr(skb);
@@ -450,15 +450,33 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
int mtu;
if (!dst) {
- fl->u.ip6.flowi6_oif = dev->ifindex;
- fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
- dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
- if (dst->error) {
- dst_release(dst);
- dst = NULL;
+ switch (skb->protocol) {
+ case htons(ETH_P_IP): {
+ struct rtable *rt;
+
+ fl->u.ip4.flowi4_oif = dev->ifindex;
+ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+ if (IS_ERR(rt))
+ goto tx_err_link_failure;
+ dst = &rt->dst;
+ skb_dst_set(skb, dst);
+ break;
+ }
+ case htons(ETH_P_IPV6):
+ fl->u.ip6.flowi6_oif = dev->ifindex;
+ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+ if (dst->error) {
+ dst_release(dst);
+ dst = NULL;
+ goto tx_err_link_failure;
+ }
+ skb_dst_set(skb, dst);
+ break;
+ default:
goto tx_err_link_failure;
}
- skb_dst_set(skb, dst);
}
dst_hold(dst);
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index e11bdb0aaa15..25b7ebda2fab 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -78,7 +78,7 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, const
hlist_for_each_entry_rcu(x6spi,
&xfrm6_tn->spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
- list_byaddr) {
+ list_byaddr, lockdep_is_held(&xfrm6_tunnel_spi_lock)) {
if (xfrm6_addr_equal(&x6spi->addr, saddr))
return x6spi;
}
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c80b1e163ea4..3419ed66c7b0 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -5,7 +5,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/debugfs.h>
@@ -78,6 +78,7 @@ static const char * const sta_flag_names[] = {
FLAG(MPSP_OWNER),
FLAG(MPSP_RECIPIENT),
FLAG(PS_DELIVER),
+ FLAG(USES_ENCRYPTION),
#undef FLAG
};
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 0f889b919b06..efc1acc6543c 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -6,7 +6,7 @@
* Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright 2018-2019 Intel Corporation
+ * Copyright 2018-2020 Intel Corporation
*/
#include <linux/if_ether.h>
@@ -262,22 +262,29 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
sta ? sta->sta.addr : bcast_addr, ret);
}
-int ieee80211_set_tx_key(struct ieee80211_key *key)
+static int _ieee80211_set_tx_key(struct ieee80211_key *key, bool force)
{
struct sta_info *sta = key->sta;
struct ieee80211_local *local = key->local;
assert_key_lock(local);
+ set_sta_flag(sta, WLAN_STA_USES_ENCRYPTION);
+
sta->ptk_idx = key->conf.keyidx;
- if (!ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT))
+ if (force || !ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT))
clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
ieee80211_check_fast_xmit(sta);
return 0;
}
+int ieee80211_set_tx_key(struct ieee80211_key *key)
+{
+ return _ieee80211_set_tx_key(key, false);
+}
+
static void ieee80211_pairwise_rekey(struct ieee80211_key *old,
struct ieee80211_key *new)
{
@@ -441,11 +448,8 @@ static int ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
if (pairwise) {
rcu_assign_pointer(sta->ptk[idx], new);
if (new &&
- !(new->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)) {
- sta->ptk_idx = idx;
- clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
- ieee80211_check_fast_xmit(sta);
- }
+ !(new->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX))
+ _ieee80211_set_tx_key(new, true);
} else {
rcu_assign_pointer(sta->gtk[idx], new);
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0f5f40678885..e3572be307d6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
#include <linux/module.h>
@@ -1049,6 +1049,11 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
might_sleep();
lockdep_assert_held(&local->sta_mtx);
+ while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
+ ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
+ WARN_ON_ONCE(ret);
+ }
+
/* now keys can no longer be reached */
ieee80211_free_sta_keys(local, sta);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c00e28585f9d..552eed36faca 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -98,6 +98,7 @@ enum ieee80211_sta_info_flags {
WLAN_STA_MPSP_OWNER,
WLAN_STA_MPSP_RECIPIENT,
WLAN_STA_PS_DELIVER,
+ WLAN_STA_USES_ENCRYPTION,
NUM_WLAN_STA_FLAGS,
};
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 87def9cb91ff..d9cca6dbd870 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -5,7 +5,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018, 2020 Intel Corporation
*
* Transmit and frame generation functions.
*/
@@ -590,10 +590,13 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
- if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT))
+ if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) {
tx->key = NULL;
- else if (tx->sta &&
- (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx])))
+ return TX_CONTINUE;
+ }
+
+ if (tx->sta &&
+ (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx])))
tx->key = key;
else if (ieee80211_is_group_privacy_action(tx->skb) &&
(key = rcu_dereference(tx->sdata->default_multicast_key)))
@@ -654,6 +657,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
if (!skip_hw && tx->key &&
tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
info->control.hw_key = &tx->key->conf;
+ } else if (!ieee80211_is_mgmt(hdr->frame_control) && tx->sta &&
+ test_sta_flag(tx->sta, WLAN_STA_USES_ENCRYPTION)) {
+ return TX_DROP;
}
return TX_CONTINUE;
@@ -3598,8 +3604,25 @@ begin:
tx.skb = skb;
tx.sdata = vif_to_sdata(info->control.vif);
- if (txq->sta)
+ if (txq->sta) {
tx.sta = container_of(txq->sta, struct sta_info, sta);
+ /*
+ * Drop unicast frames to unauthorised stations unless they are
+ * EAPOL frames from the local station.
+ */
+ if (unlikely(!ieee80211_vif_is_mesh(&tx.sdata->vif) &&
+ tx.sdata->vif.type != NL80211_IFTYPE_OCB &&
+ !is_multicast_ether_addr(hdr->addr1) &&
+ !test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) &&
+ (!(info->control.flags &
+ IEEE80211_TX_CTRL_PORT_CTRL_PROTO) ||
+ !ether_addr_equal(tx.sdata->vif.addr,
+ hdr->addr2)))) {
+ I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
+ ieee80211_free_txskb(&local->hw, skb);
+ goto begin;
+ }
+ }
/*
* The key can be removed while the packet was queued, so need to call
@@ -5126,6 +5149,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ethhdr *ehdr;
+ u32 ctrl_flags = 0;
u32 flags;
/* Only accept CONTROL_PORT_PROTOCOL configured in CONNECT/ASSOCIATE
@@ -5135,6 +5159,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
proto != cpu_to_be16(ETH_P_PREAUTH))
return -EINVAL;
+ if (proto == sdata->control_port_protocol)
+ ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
+
if (unencrypted)
flags = IEEE80211_TX_INTFL_DONT_ENCRYPT;
else
@@ -5160,7 +5187,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_mac_header(skb);
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, skb->dev, flags, 0);
+ __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags);
local_bh_enable();
return 0;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ec5d67794aab..f0af23c1634a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -16416,7 +16416,7 @@ void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
goto nla_put_failure;
if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
- nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
+ nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
goto nla_put_failure;
if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index aef240fdf8df..328402ab64a3 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2022,7 +2022,11 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
spin_lock_bh(&rdev->bss_lock);
- if (WARN_ON(cbss->pub.channel == chan))
+ /*
+ * Some APs use CSA also for bandwidth changes, i.e., without actually
+ * changing the control channel, so no need to update in such a case.
+ */
+ if (cbss->pub.channel == chan)
goto done;
/* use transmitting bss */
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 50f567a88f45..e2db468cf50e 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -78,8 +78,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
int err;
unsigned long flags;
struct xfrm_state *x;
- struct sk_buff *skb2, *nskb;
struct softnet_data *sd;
+ struct sk_buff *skb2, *nskb, *pskb = NULL;
netdev_features_t esp_features = features;
struct xfrm_offload *xo = xfrm_offload(skb);
struct sec_path *sp;
@@ -168,14 +168,14 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
} else {
if (skb == skb2)
skb = nskb;
-
- if (!skb)
- return NULL;
+ else
+ pskb->next = nskb;
continue;
}
skb_push(skb2, skb2->data - skb_mac_header(skb2));
+ pskb = skb2;
}
return skb;
@@ -383,6 +383,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
return xfrm_dev_feat_change(dev);
case NETDEV_DOWN:
+ case NETDEV_UNREGISTER:
return xfrm_dev_down(dev);
}
return NOTIFY_DONE;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index dbda08ec566e..8a4af86a285e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -434,7 +434,9 @@ EXPORT_SYMBOL(xfrm_policy_destroy);
static void xfrm_policy_kill(struct xfrm_policy *policy)
{
+ write_lock_bh(&policy->lock);
policy->walk.dead = 1;
+ write_unlock_bh(&policy->lock);
atomic_inc(&policy->genid);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b88ba45ff1ac..e6cfaa680ef3 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -110,7 +110,8 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs)
return 0;
uctx = nla_data(rt);
- if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
+ if (uctx->len > nla_len(rt) ||
+ uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
return -EINVAL;
return 0;
@@ -2275,6 +2276,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
err = verify_newpolicy_info(&ua->policy);
if (err)
goto free_state;
+ err = verify_sec_ctx_len(attrs);
+ if (err)
+ goto free_state;
/* build an XP */
xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);
generated by cgit (git 2.34.1) at 2024-05-08 22:42:49 +0000