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-rw-r--r--net/mac80211/ieee80211_i.h12
-rw-r--r--net/mac80211/key.c2
-rw-r--r--net/mac80211/mesh.c6
-rw-r--r--net/mac80211/mlme.c12
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/tdls.c23
-rw-r--r--net/mac80211/util.c8
-rw-r--r--net/mac80211/wpa.c7
8 files changed, 65 insertions, 7 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 539d3516d768..6396d46a9a71 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1432,7 +1432,7 @@ ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
- if (WARN_ON(!chanctx_conf)) {
+ if (WARN_ON_ONCE(!chanctx_conf)) {
rcu_read_unlock();
return NULL;
}
@@ -2035,6 +2035,13 @@ void __ieee80211_flush_queues(struct ieee80211_local *local,
static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
{
/*
+ * It's unsafe to try to do any work during reconfigure flow.
+ * When the flow ends the work will be requeued.
+ */
+ if (local->in_reconfig)
+ return false;
+
+ /*
* If quiescing is set, we are racing with __ieee80211_suspend.
* __ieee80211_suspend flushes the workers after setting quiescing,
* and we check quiescing / suspended before enqueing new workers.
@@ -2222,6 +2229,9 @@ void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
const u8 *addr);
void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
void ieee80211_tdls_chsw_work(struct work_struct *wk);
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+ const u8 *peer, u16 reason);
+const char *ieee80211_get_reason_code_string(u16 reason_code);
extern const struct ethtool_ops ieee80211_ethtool_ops;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 5f58895ee0d2..157ff5f890d2 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -265,11 +265,9 @@ int ieee80211_set_tx_key(struct ieee80211_key *key)
{
struct sta_info *sta = key->sta;
struct ieee80211_local *local = key->local;
- struct ieee80211_key *old;
assert_key_lock(local);
- old = key_mtx_dereference(local, sta->ptk[sta->ptk_idx]);
sta->ptk_idx = key->conf.keyidx;
ieee80211_check_fast_xmit(sta);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a0cfe9debd65..2e7fa743c892 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -926,6 +926,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
/* flush STAs and mpaths on this iface */
sta_info_flush(sdata);
+ ieee80211_free_keys(sdata, true);
mesh_path_flush_by_iface(sdata);
/* stop the beacon */
@@ -1217,7 +1218,8 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)
ifmsh->chsw_ttl = 0;
/* Remove the CSA and MCSP elements from the beacon */
- tmp_csa_settings = rcu_dereference(ifmsh->csa);
+ tmp_csa_settings = rcu_dereference_protected(ifmsh->csa,
+ lockdep_is_held(&sdata->wdev.mtx));
RCU_INIT_POINTER(ifmsh->csa, NULL);
if (tmp_csa_settings)
kfree_rcu(tmp_csa_settings, rcu_head);
@@ -1239,6 +1241,8 @@ int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
struct mesh_csa_settings *tmp_csa_settings;
int ret = 0;
+ lockdep_assert_held(&sdata->wdev.mtx);
+
tmp_csa_settings = kmalloc(sizeof(*tmp_csa_settings),
GFP_ATOMIC);
if (!tmp_csa_settings)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index faff4010871f..379d2ab6d327 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2960,7 +2960,7 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
#define case_WLAN(type) \
case WLAN_REASON_##type: return #type
-static const char *ieee80211_get_reason_code_string(u16 reason_code)
+const char *ieee80211_get_reason_code_string(u16 reason_code)
{
switch (reason_code) {
case_WLAN(UNSPECIFIED);
@@ -3025,6 +3025,11 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
if (len < 24 + 2)
return;
+ if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+ ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+ return;
+ }
+
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) {
const u8 *bssid = ifmgd->associated->bssid;
@@ -3074,6 +3079,11 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+ if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+ ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+ return;
+ }
+
sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n",
mgmt->sa, reason_code,
ieee80211_get_reason_code_string(reason_code));
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 84a0c4d6962e..3c1ab870fefe 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3828,6 +3828,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
case NL80211_IFTYPE_STATION:
if (!bssid && !sdata->u.mgd.use_4addr)
return false;
+ if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
+ return false;
if (multicast)
return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1);
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index ca97e1598c28..fca1f5477396 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1993,3 +1993,26 @@ void ieee80211_tdls_chsw_work(struct work_struct *wk)
}
rtnl_unlock();
}
+
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+ const u8 *peer, u16 reason)
+{
+ struct ieee80211_sta *sta;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(&sdata->vif, peer);
+ if (!sta || !sta->tdls) {
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+
+ tdls_dbg(sdata, "disconnected from TDLS peer %pM (Reason: %u=%s)\n",
+ peer, reason,
+ ieee80211_get_reason_code_string(reason));
+
+ ieee80211_tdls_oper_request(&sdata->vif, peer,
+ NL80211_TDLS_TEARDOWN,
+ WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE,
+ GFP_ATOMIC);
+}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index c1bc7bf31844..1b224fa27367 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2477,6 +2477,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_lock(&local->mtx);
ieee80211_start_next_roc(local);
mutex_unlock(&local->mtx);
+
+ /* Requeue all works */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ ieee80211_queue_work(&local->hw, &sdata->work);
}
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
@@ -3792,7 +3796,9 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
}
/* Always allow software iftypes */
- if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
+ if (local->hw.wiphy->software_iftypes & BIT(iftype) ||
+ (iftype == NL80211_IFTYPE_AP_VLAN &&
+ local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) {
if (radar_detect)
return -EINVAL;
return 0;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index c59bb95a1975..a51c7909366e 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -1172,7 +1172,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_key *key = rx->key;
struct ieee80211_mmie_16 *mmie;
- u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
+ u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN];
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (!ieee80211_is_mgmt(hdr->frame_control))
@@ -1203,13 +1203,18 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
memcpy(nonce, hdr->addr2, ETH_ALEN);
memcpy(nonce + ETH_ALEN, ipn, 6);
+ mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC);
+ if (!mic)
+ return RX_DROP_UNUSABLE;
if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
skb->data + 24, skb->len - 24,
mic) < 0 ||
crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
key->u.aes_gmac.icverrors++;
+ kfree(mic);
return RX_DROP_UNUSABLE;
}
+ kfree(mic);
}
memcpy(key->u.aes_gmac.rx_pn, ipn, 6);
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-30 06:01:54 +0000