[lts96] Many VULNS 2025-12-16

drivers/net/ethernet/intel/e1000e/ethtool.c

@@ -549,12 +549,12 @@ static int e1000_set_eeprom(struct net_device *netdev,
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	size_t total_len, max_len;
 	u16 *eeprom_buff;
-	void *ptr;
-	int max_len;
+	int ret_val = 0;
 	int first_word;
 	int last_word;
-	int ret_val = 0;
+	void *ptr;
 	u16 i;
 
 	if (eeprom->len == 0)
@@ -569,6 +569,10 @@ static int e1000_set_eeprom(struct net_device *netdev,
 
 	max_len = hw->nvm.word_size * 2;
 
+	if (check_add_overflow(eeprom->offset, eeprom->len, &total_len) ||
+	    total_len > max_len)
+		return -EFBIG;
+
 	first_word = eeprom->offset >> 1;
 	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 	eeprom_buff = kmalloc(max_len, GFP_KERNEL);

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

@@ -2384,7 +2384,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg)
 		}
 
 		if (vf->adq_enabled) {
-			if (idx >= ARRAY_SIZE(vf->ch)) {
+			if (idx >= vf->num_tc) {
 				aq_ret = -ENODEV;
 				goto error_param;
 			}
@@ -2405,7 +2405,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg)
 		 * to its appropriate VSIs based on TC mapping
 		 */
 		if (vf->adq_enabled) {
-			if (idx >= ARRAY_SIZE(vf->ch)) {
+			if (idx >= vf->num_tc) {
 				aq_ret = -ENODEV;
 				goto error_param;
 			}

drivers/net/wireless/mediatek/mt76/tx.c

@@ -642,6 +642,7 @@ mt76_txq_schedule_pending_wcid(struct mt76_phy *phy, struct mt76_wcid *wcid,
 static void mt76_txq_schedule_pending(struct mt76_phy *phy)
 {
 	LIST_HEAD(tx_list);
+	int ret = 0;
 
 	if (list_empty(&phy->tx_list))
 		return;
@@ -653,13 +654,13 @@ static void mt76_txq_schedule_pending(struct mt76_phy *phy)
 	list_splice_init(&phy->tx_list, &tx_list);
 	while (!list_empty(&tx_list)) {
 		struct mt76_wcid *wcid;
-		int ret;
 
 		wcid = list_first_entry(&tx_list, struct mt76_wcid, tx_list);
 		list_del_init(&wcid->tx_list);
 
 		spin_unlock(&phy->tx_lock);
-		ret = mt76_txq_schedule_pending_wcid(phy, wcid, &wcid->tx_offchannel);
+		if (ret >= 0)
+			ret = mt76_txq_schedule_pending_wcid(phy, wcid, &wcid->tx_offchannel);
 		if (ret >= 0 && !phy->offchannel)
 			ret = mt76_txq_schedule_pending_wcid(phy, wcid, &wcid->tx_pending);
 		spin_lock(&phy->tx_lock);
@@ -668,9 +669,6 @@ static void mt76_txq_schedule_pending(struct mt76_phy *phy)
 		    !skb_queue_empty(&wcid->tx_offchannel) &&
 		    list_empty(&wcid->tx_list))
 			list_add_tail(&wcid->tx_list, &phy->tx_list);
-
-		if (ret < 0)
-			break;
 	}
 	spin_unlock(&phy->tx_lock);
 

fs/nfsd/nfs4state.c

@@ -4542,10 +4542,16 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 	}
 	status = nfs_ok;
 	if (conf) {
-		old = unconf;
-		unhash_client_locked(old);
-		nfsd4_change_callback(conf, &unconf->cl_cb_conn);
-	} else {
+		if (get_client_locked(conf) == nfs_ok) {
+			old = unconf;
+			unhash_client_locked(old);
+			nfsd4_change_callback(conf, &unconf->cl_cb_conn);
+		} else {
+			conf = NULL;
+		}
+	}
+
+	if (!conf) {
 		old = find_confirmed_client_by_name(&unconf->cl_name, nn);
 		if (old) {
 			status = nfserr_clid_inuse;
@@ -4562,10 +4568,14 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 			}
 			trace_nfsd_clid_replaced(&old->cl_clientid);
 		}
+		status = get_client_locked(unconf);
+		if (status != nfs_ok) {
+			old = NULL;
+			goto out;
+		}
 		move_to_confirmed(unconf);
 		conf = unconf;
 	}
-	get_client_locked(conf);
 	spin_unlock(&nn->client_lock);
 	if (conf == unconf)
 		fsnotify_dentry(conf->cl_nfsd_info_dentry, FS_MODIFY);

io_uring/waitid.c

@@ -272,13 +272,14 @@ static int io_waitid_wait(struct wait_queue_entry *wait, unsigned mode,
 	if (!pid_child_should_wake(wo, p))
 		return 0;
 
+	list_del_init(&wait->entry);
+
 	/* cancel is in progress */
 	if (atomic_fetch_inc(&iw->refs) & IO_WAITID_REF_MASK)
 		return 1;
 
 	req->io_task_work.func = io_waitid_cb;
 	io_req_task_work_add(req);
-	list_del_init(&wait->entry);
 	return 1;
 }
 

mm/memory-failure.c

@@ -2541,10 +2541,9 @@ int unpoison_memory(unsigned long pfn)
 	static DEFINE_RATELIMIT_STATE(unpoison_rs, DEFAULT_RATELIMIT_INTERVAL,
 					DEFAULT_RATELIMIT_BURST);
 
-	if (!pfn_valid(pfn))
-		return -ENXIO;
-
-	p = pfn_to_page(pfn);
+	p = pfn_to_online_page(pfn);
+	if (!p)
+		return -EIO;
 	folio = page_folio(p);
 
 	mutex_lock(&mf_mutex);

net/ipv4/tcp.c

@@ -3157,6 +3157,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
 	int old_state = sk->sk_state;
+	struct request_sock *req;
 	u32 seq;
 
 	if (old_state != TCP_CLOSE)
@@ -3267,6 +3268,10 @@ int tcp_disconnect(struct sock *sk, int flags)
 
 
 	/* Clean up fastopen related fields */
+	req = rcu_dereference_protected(tp->fastopen_rsk,
+					lockdep_sock_is_held(sk));
+	if (req)
+		reqsk_fastopen_remove(sk, req, false);
 	tcp_free_fastopen_req(tp);
 	inet->defer_connect = 0;
 	tp->fastopen_client_fail = 0;

net/ipv4/tcp_input.c

@@ -7094,7 +7094,6 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
 				    &foc, TCP_SYNACK_FASTOPEN, skb);
 		/* Add the child socket directly into the accept queue */
 		if (!inet_csk_reqsk_queue_add(sk, req, fastopen_sk)) {
-			reqsk_fastopen_remove(fastopen_sk, req, false);
 			bh_unlock_sock(fastopen_sk);
 			sock_put(fastopen_sk);
 			goto drop_and_free;

net/wireless/scan.c

@@ -1871,7 +1871,8 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
 			 */
 
 			f = rcu_access_pointer(new->pub.beacon_ies);
-			kfree_rcu((struct cfg80211_bss_ies *)f, rcu_head);
+			if (!new->pub.hidden_beacon_bss)
+				kfree_rcu((struct cfg80211_bss_ies *)f, rcu_head);
 			return false;
 		}