Merge tag 'for-net-next-2023-08-24' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

 - Introduce HCI_QUIRK_BROKEN_LE_CODED
 - Add support for PA/BIG sync
 - Add support for NXP IW624 chipset
 - Add support for Qualcomm WCN7850

* tag 'for-net-next-2023-08-24' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next:
  Bluetooth: btusb: Do not call kfree_skb() under spin_lock_irqsave()
  Bluetooth: btusb: Fix quirks table naming
  Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
  Bluetooth: btintel: Send new command for PPAG
  Bluetooth: ISO: Add support for periodic adv reports processing
  Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early
  Bluetooth: hci_core: Fix missing instances using HCI_MAX_AD_LENGTH
  Bluetooth: ISO: Use defer setup to separate PA sync and BIG sync
  Bluetooth: qca: add support for WCN7850
  Bluetooth: qca: use switch case for soc type behavior
  dt-bindings: net: bluetooth: qualcomm: document WCN7850 chipset
  Bluetooth: hci_conn: Fix sending BT_HCI_CMD_LE_CREATE_CONN_CANCEL
  Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync
  Bluetooth: btnxpuart: Improve inband Independent Reset handling
  Bluetooth: btnxpuart: Add support for IW624 chipset
  Bluetooth: btnxpuart: Remove check for CTS low after FW download
====================

Link: https://lore.kernel.org/r/20230824201458.2577-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

6 files changed, 308 insertions, 75 deletions

diff --git a/net/bluetooth/eir.c b/net/bluetooth/eir.c
index 8a85f6cdfbc1..9214189279e8 100644
--- a/net/bluetooth/eir.c
+++ b/net/bluetooth/eir.c
@@ -33,7 +33,7 @@ u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len)
 	size_t complete_len;
 
 	/* no space left for name (+ NULL + type + len) */
-	if ((HCI_MAX_AD_LENGTH - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3)
+	if ((max_adv_len(hdev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3)
 		return ad_len;
 
 	/* use complete name if present and fits */
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 234746721047..9d5057cef30a 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -734,6 +734,7 @@ struct iso_list_data {
 	};
 	int count;
 	bool big_term;
+	bool pa_sync_term;
 	bool big_sync_term;
 };
 
@@ -807,7 +808,10 @@ static int big_terminate_sync(struct hci_dev *hdev, void *data)
 	if (d->big_sync_term)
 		hci_le_big_terminate_sync(hdev, d->big);
 
-	return hci_le_pa_terminate_sync(hdev, d->sync_handle);
+	if (d->pa_sync_term)
+		return hci_le_pa_terminate_sync(hdev, d->sync_handle);
+
+	return 0;
 }
 
 static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *conn)
@@ -823,6 +827,7 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *c
 
 	d->big = big;
 	d->sync_handle = conn->sync_handle;
+	d->pa_sync_term = test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags);
 	d->big_sync_term = test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags);
 
 	ret = hci_cmd_sync_queue(hdev, big_terminate_sync, d,
@@ -1039,6 +1044,29 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
 	return conn;
 }
 
+static void hci_conn_cleanup_child(struct hci_conn *conn, u8 reason)
+{
+	if (!reason)
+		reason = HCI_ERROR_REMOTE_USER_TERM;
+
+	/* Due to race, SCO/ISO conn might be not established yet at this point,
+	 * and nothing else will clean it up. In other cases it is done via HCI
+	 * events.
+	 */
+	switch (conn->type) {
+	case SCO_LINK:
+	case ESCO_LINK:
+		if (HCI_CONN_HANDLE_UNSET(conn->handle))
+			hci_conn_failed(conn, reason);
+		break;
+	case ISO_LINK:
+		if (conn->state != BT_CONNECTED &&
+		    !test_bit(HCI_CONN_CREATE_CIS, &conn->flags))
+			hci_conn_failed(conn, reason);
+		break;
+	}
+}
+
 static void hci_conn_unlink(struct hci_conn *conn)
 {
 	struct hci_dev *hdev = conn->hdev;
@@ -1061,14 +1089,7 @@ static void hci_conn_unlink(struct hci_conn *conn)
 			if (!test_bit(HCI_UP, &hdev->flags))
 				continue;
 
-			/* Due to race, SCO connection might be not established
-			 * yet at this point. Delete it now, otherwise it is
-			 * possible for it to be stuck and can't be deleted.
-			 */
-			if ((child->type == SCO_LINK ||
-			     child->type == ESCO_LINK) &&
-			    HCI_CONN_HANDLE_UNSET(child->handle))
-				hci_conn_del(child);
+			hci_conn_cleanup_child(child, conn->abort_reason);
 		}
 
 		return;
@@ -1299,6 +1320,7 @@ static int hci_connect_le_sync(struct hci_dev *hdev, void *data)
 
 	bt_dev_dbg(hdev, "conn %p", conn);
 
+	clear_bit(HCI_CONN_SCANNING, &conn->flags);
 	conn->state = BT_CONNECT;
 
 	return hci_le_create_conn_sync(hdev, conn);
@@ -1370,8 +1392,6 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	conn->sec_level = BT_SECURITY_LOW;
 	conn->conn_timeout = conn_timeout;
 
-	clear_bit(HCI_CONN_SCANNING, &conn->flags);
-
 	err = hci_cmd_sync_queue(hdev, hci_connect_le_sync,
 				 UINT_PTR(conn->handle),
 				 create_le_conn_complete);
@@ -2100,7 +2120,8 @@ int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
 	return hci_cmd_sync_queue(hdev, create_pa_sync, cp, create_pa_complete);
 }
 
-int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos,
+int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
+			   struct bt_iso_qos *qos,
 			   __u16 sync_handle, __u8 num_bis, __u8 bis[])
 {
 	struct _packed {
@@ -2116,6 +2137,9 @@ int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos,
 	if (err)
 		return err;
 
+	if (hcon)
+		hcon->iso_qos.bcast.big = qos->bcast.big;
+
 	memset(&pdu, 0, sizeof(pdu));
 	pdu.cp.handle = qos->bcast.big;
 	pdu.cp.sync_handle = cpu_to_le16(sync_handle);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 559b6080706c..35f251041eeb 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -6581,19 +6581,56 @@ static void hci_le_pa_sync_estabilished_evt(struct hci_dev *hdev, void *data,
 	struct hci_ev_le_pa_sync_established *ev = data;
 	int mask = hdev->link_mode;
 	__u8 flags = 0;
+	struct hci_conn *bis;
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", ev->status);
 
-	if (ev->status)
-		return;
-
 	hci_dev_lock(hdev);
 
 	hci_dev_clear_flag(hdev, HCI_PA_SYNC);
 
 	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ISO_LINK, &flags);
-	if (!(mask & HCI_LM_ACCEPT))
+	if (!(mask & HCI_LM_ACCEPT)) {
 		hci_le_pa_term_sync(hdev, ev->handle);
+		goto unlock;
+	}
+
+	if (!(flags & HCI_PROTO_DEFER))
+		goto unlock;
+
+	/* Add connection to indicate the PA sync event */
+	bis = hci_conn_add(hdev, ISO_LINK, BDADDR_ANY,
+			   HCI_ROLE_SLAVE);
+
+	if (!bis)
+		goto unlock;
+
+	if (ev->status)
+		set_bit(HCI_CONN_PA_SYNC_FAILED, &bis->flags);
+	else
+		set_bit(HCI_CONN_PA_SYNC, &bis->flags);
+
+	/* Notify connection to iso layer */
+	hci_connect_cfm(bis, ev->status);
+
+unlock:
+	hci_dev_unlock(hdev);
+}
+
+static void hci_le_per_adv_report_evt(struct hci_dev *hdev, void *data,
+				      struct sk_buff *skb)
+{
+	struct hci_ev_le_per_adv_report *ev = data;
+	int mask = hdev->link_mode;
+	__u8 flags = 0;
+
+	bt_dev_dbg(hdev, "sync_handle 0x%4.4x", le16_to_cpu(ev->sync_handle));
+
+	hci_dev_lock(hdev);
+
+	mask |= hci_proto_connect_ind(hdev, BDADDR_ANY, ISO_LINK, &flags);
+	if (!(mask & HCI_LM_ACCEPT))
+		hci_le_pa_term_sync(hdev, ev->sync_handle);
 
 	hci_dev_unlock(hdev);
 }
@@ -7045,6 +7082,7 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data,
 {
 	struct hci_evt_le_big_sync_estabilished *ev = data;
 	struct hci_conn *bis;
+	struct hci_conn *pa_sync;
 	int i;
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", ev->status);
@@ -7055,6 +7093,15 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data,
 
 	hci_dev_lock(hdev);
 
+	if (!ev->status) {
+		pa_sync = hci_conn_hash_lookup_pa_sync(hdev, ev->handle);
+		if (pa_sync)
+			/* Also mark the BIG sync established event on the
+			 * associated PA sync hcon
+			 */
+			set_bit(HCI_CONN_BIG_SYNC, &pa_sync->flags);
+	}
+
 	for (i = 0; i < ev->num_bis; i++) {
 		u16 handle = le16_to_cpu(ev->bis[i]);
 		__le32 interval;
@@ -7068,6 +7115,10 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data,
 			bis->handle = handle;
 		}
 
+		if (ev->status != 0x42)
+			/* Mark PA sync as established */
+			set_bit(HCI_CONN_PA_SYNC, &bis->flags);
+
 		bis->iso_qos.bcast.big = ev->handle;
 		memset(&interval, 0, sizeof(interval));
 		memcpy(&interval, ev->latency, sizeof(ev->latency));
@@ -7180,6 +7231,11 @@ static const struct hci_le_ev {
 	HCI_LE_EV(HCI_EV_LE_PA_SYNC_ESTABLISHED,
 		  hci_le_pa_sync_estabilished_evt,
 		  sizeof(struct hci_ev_le_pa_sync_established)),
+	/* [0x0f = HCI_EV_LE_PER_ADV_REPORT] */
+	HCI_LE_EV_VL(HCI_EV_LE_PER_ADV_REPORT,
+				 hci_le_per_adv_report_evt,
+				 sizeof(struct hci_ev_le_per_adv_report),
+				 HCI_MAX_EVENT_SIZE),
 	/* [0x12 = HCI_EV_LE_EXT_ADV_SET_TERM] */
 	HCI_LE_EV(HCI_EV_LE_EXT_ADV_SET_TERM, hci_le_ext_adv_term_evt,
 		  sizeof(struct hci_evt_le_ext_adv_set_term)),
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 5eb30ba21370..9b93653c6197 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4668,7 +4668,10 @@ static const struct {
 			 "advertised, but not supported."),
 	HCI_QUIRK_BROKEN(SET_RPA_TIMEOUT,
 			 "HCI LE Set Random Private Address Timeout command is "
-			 "advertised, but not supported.")
+			 "advertised, but not supported."),
+	HCI_QUIRK_BROKEN(LE_CODED,
+			 "HCI LE Coded PHY feature bit is set, "
+			 "but its usage is not supported.")
 };
 
 /* This function handles hdev setup stage:
@@ -5370,6 +5373,7 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
 {
 	int err = 0;
 	u16 handle = conn->handle;
+	struct hci_conn *c;
 
 	switch (conn->state) {
 	case BT_CONNECTED:
@@ -5383,49 +5387,78 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
 		err = hci_reject_conn_sync(hdev, conn, reason);
 		break;
 	case BT_OPEN:
+		hci_dev_lock(hdev);
+
+		/* Cleanup bis or pa sync connections */
+		if (test_and_clear_bit(HCI_CONN_BIG_SYNC_FAILED, &conn->flags) ||
+		    test_and_clear_bit(HCI_CONN_PA_SYNC_FAILED, &conn->flags)) {
+			hci_conn_failed(conn, reason);
+		} else if (test_bit(HCI_CONN_PA_SYNC, &conn->flags) ||
+			   test_bit(HCI_CONN_BIG_SYNC, &conn->flags)) {
+			conn->state = BT_CLOSED;
+			hci_disconn_cfm(conn, reason);
+			hci_conn_del(conn);
+		}
+
+		hci_dev_unlock(hdev);
+		return 0;
 	case BT_BOUND:
 		hci_dev_lock(hdev);
 		hci_conn_failed(conn, reason);
 		hci_dev_unlock(hdev);
 		return 0;
 	default:
+		hci_dev_lock(hdev);
 		conn->state = BT_CLOSED;
+		hci_disconn_cfm(conn, reason);
+		hci_conn_del(conn);
+		hci_dev_unlock(hdev);
 		return 0;
 	}
 
+	hci_dev_lock(hdev);
+
+	/* Check if the connection hasn't been cleanup while waiting
+	 * commands to complete.
+	 */
+	c = hci_conn_hash_lookup_handle(hdev, handle);
+	if (!c || c != conn) {
+		err = 0;
+		goto unlock;
+	}
+
 	/* Cleanup hci_conn object if it cannot be cancelled as it
 	 * likelly means the controller and host stack are out of sync
 	 * or in case of LE it was still scanning so it can be cleanup
 	 * safely.
 	 */
-	if (err) {
-		struct hci_conn *c;
-
-		/* Check if the connection hasn't been cleanup while waiting
-		 * commands to complete.
-		 */
-		c = hci_conn_hash_lookup_handle(hdev, handle);
-		if (!c || c != conn)
-			return 0;
-
-		hci_dev_lock(hdev);
-		hci_conn_failed(conn, err);
-		hci_dev_unlock(hdev);
-	}
+	hci_conn_failed(conn, reason);
 
+unlock:
+	hci_dev_unlock(hdev);
 	return err;
 }
 
 static int hci_disconnect_all_sync(struct hci_dev *hdev, u8 reason)
 {
-	struct hci_conn *conn, *tmp;
-	int err;
+	struct list_head *head = &hdev->conn_hash.list;
+	struct hci_conn *conn;
 
-	list_for_each_entry_safe(conn, tmp, &hdev->conn_hash.list, list) {
-		err = hci_abort_conn_sync(hdev, conn, reason);
-		if (err)
-			return err;
+	rcu_read_lock();
+	while ((conn = list_first_or_null_rcu(head, struct hci_conn, list))) {
+		/* Make sure the connection is not freed while unlocking */
+		conn = hci_conn_get(conn);
+		rcu_read_unlock();
+		/* Disregard possible errors since hci_conn_del shall have been
+		 * called even in case of errors had occurred since it would
+		 * then cause hci_conn_failed to be called which calls
+		 * hci_conn_del internally.
+		 */
+		hci_abort_conn_sync(hdev, conn, reason);
+		hci_conn_put(conn);
+		rcu_read_lock();
 	}
+	rcu_read_unlock();
 
 	return 0;
 }
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 3c03e49422c7..16da946f5881 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -51,6 +51,7 @@ static void iso_sock_kill(struct sock *sk);
 /* iso_pinfo flags values */
 enum {
 	BT_SK_BIG_SYNC,
+	BT_SK_PA_SYNC,
 };
 
 struct iso_pinfo {
@@ -75,6 +76,8 @@ static struct bt_iso_qos default_qos;
 
 static bool check_ucast_qos(struct bt_iso_qos *qos);
 static bool check_bcast_qos(struct bt_iso_qos *qos);
+static bool iso_match_sid(struct sock *sk, void *data);
+static void iso_sock_disconn(struct sock *sk);
 
 /* ---- ISO timers ---- */
 #define ISO_CONN_TIMEOUT	(HZ * 40)
@@ -598,6 +601,15 @@ static void iso_sock_cleanup_listen(struct sock *parent)
 		iso_sock_kill(sk);
 	}
 
+	/* If listening socket stands for a PA sync connection,
+	 * properly disconnect the hcon and socket.
+	 */
+	if (iso_pi(parent)->conn && iso_pi(parent)->conn->hcon &&
+	    test_bit(HCI_CONN_PA_SYNC, &iso_pi(parent)->conn->hcon->flags)) {
+		iso_sock_disconn(parent);
+		return;
+	}
+
 	parent->sk_state  = BT_CLOSED;
 	sock_set_flag(parent, SOCK_ZAPPED);
 }
@@ -619,6 +631,16 @@ static void iso_sock_kill(struct sock *sk)
 	sock_put(sk);
 }
 
+static void iso_sock_disconn(struct sock *sk)
+{
+	sk->sk_state = BT_DISCONN;
+	iso_sock_set_timer(sk, ISO_DISCONN_TIMEOUT);
+	iso_conn_lock(iso_pi(sk)->conn);
+	hci_conn_drop(iso_pi(sk)->conn->hcon);
+	iso_pi(sk)->conn->hcon = NULL;
+	iso_conn_unlock(iso_pi(sk)->conn);
+}
+
 static void __iso_sock_close(struct sock *sk)
 {
 	BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
@@ -631,20 +653,19 @@ static void __iso_sock_close(struct sock *sk)
 	case BT_CONNECT:
 	case BT_CONNECTED:
 	case BT_CONFIG:
-		if (iso_pi(sk)->conn->hcon) {
-			sk->sk_state = BT_DISCONN;
-			iso_sock_set_timer(sk, ISO_DISCONN_TIMEOUT);
-			iso_conn_lock(iso_pi(sk)->conn);
-			hci_conn_drop(iso_pi(sk)->conn->hcon);
-			iso_pi(sk)->conn->hcon = NULL;
-			iso_conn_unlock(iso_pi(sk)->conn);
-		} else {
+		if (iso_pi(sk)->conn->hcon)
+			iso_sock_disconn(sk);
+		else
 			iso_chan_del(sk, ECONNRESET);
-		}
 		break;
 
 	case BT_CONNECT2:
-		iso_chan_del(sk, ECONNRESET);
+		if (iso_pi(sk)->conn->hcon &&
+		    (test_bit(HCI_CONN_PA_SYNC, &iso_pi(sk)->conn->hcon->flags) ||
+		    test_bit(HCI_CONN_PA_SYNC_FAILED, &iso_pi(sk)->conn->hcon->flags)))
+			iso_sock_disconn(sk);
+		else
+			iso_chan_del(sk, ECONNRESET);
 		break;
 	case BT_DISCONN:
 		iso_chan_del(sk, ECONNRESET);
@@ -1139,6 +1160,29 @@ static void iso_conn_defer_accept(struct hci_conn *conn)
 	hci_send_cmd(hdev, HCI_OP_LE_ACCEPT_CIS, sizeof(cp), &cp);
 }
 
+static void iso_conn_big_sync(struct sock *sk)
+{
+	int err;
+	struct hci_dev *hdev;
+
+	hdev = hci_get_route(&iso_pi(sk)->dst, &iso_pi(sk)->src,
+			     iso_pi(sk)->src_type);
+
+	if (!hdev)
+		return;
+
+	if (!test_and_set_bit(BT_SK_BIG_SYNC, &iso_pi(sk)->flags)) {
+		err = hci_le_big_create_sync(hdev, iso_pi(sk)->conn->hcon,
+					     &iso_pi(sk)->qos,
+					     iso_pi(sk)->sync_handle,
+					     iso_pi(sk)->bc_num_bis,
+					     iso_pi(sk)->bc_bis);
+		if (err)
+			bt_dev_err(hdev, "hci_le_big_create_sync: %d",
+				   err);
+	}
+}
+
 static int iso_sock_recvmsg(struct socket *sock, struct msghdr *msg,
 			    size_t len, int flags)
 {
@@ -1151,8 +1195,15 @@ static int iso_sock_recvmsg(struct socket *sock, struct msghdr *msg,
 		lock_sock(sk);
 		switch (sk->sk_state) {
 		case BT_CONNECT2:
-			iso_conn_defer_accept(pi->conn->hcon);
-			sk->sk_state = BT_CONFIG;
+			if (pi->conn->hcon &&
+			    test_bit(HCI_CONN_PA_SYNC, &pi->conn->hcon->flags)) {
+				iso_conn_big_sync(sk);
+				sk->sk_state = BT_LISTEN;
+				set_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags);
+			} else {
+				iso_conn_defer_accept(pi->conn->hcon);
+				sk->sk_state = BT_CONFIG;
+			}
 			release_sock(sk);
 			return 0;
 		case BT_CONNECT:
@@ -1395,7 +1446,8 @@ static int iso_sock_getsockopt(struct socket *sock, int level, int optname,
 		break;
 
 	case BT_ISO_BASE:
-		if (sk->sk_state == BT_CONNECTED) {
+		if (sk->sk_state == BT_CONNECTED &&
+		    !bacmp(&iso_pi(sk)->dst, BDADDR_ANY)) {
 			base_len = iso_pi(sk)->conn->hcon->le_per_adv_data_len;
 			base = iso_pi(sk)->conn->hcon->le_per_adv_data;
 		} else {
@@ -1513,11 +1565,17 @@ static bool iso_match_big(struct sock *sk, void *data)
 	return ev->handle == iso_pi(sk)->qos.bcast.big;
 }
 
+static bool iso_match_pa_sync_flag(struct sock *sk, void *data)
+{
+	return test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags);
+}
+
 static void iso_conn_ready(struct iso_conn *conn)
 {
-	struct sock *parent;
+	struct sock *parent = NULL;
 	struct sock *sk = conn->sk;
-	struct hci_ev_le_big_sync_estabilished *ev;
+	struct hci_ev_le_big_sync_estabilished *ev = NULL;
+	struct hci_ev_le_pa_sync_established *ev2 = NULL;
 	struct hci_conn *hcon;
 
 	BT_DBG("conn %p", conn);
@@ -1529,15 +1587,32 @@ static void iso_conn_ready(struct iso_conn *conn)
 		if (!hcon)
 			return;
 
-		ev = hci_recv_event_data(hcon->hdev,
-					 HCI_EVT_LE_BIG_SYNC_ESTABILISHED);
-		if (ev)
+		if (test_bit(HCI_CONN_BIG_SYNC, &hcon->flags) ||
+		    test_bit(HCI_CONN_BIG_SYNC_FAILED, &hcon->flags)) {
+			ev = hci_recv_event_data(hcon->hdev,
+						 HCI_EVT_LE_BIG_SYNC_ESTABILISHED);
+
+			/* Get reference to PA sync parent socket, if it exists */
 			parent = iso_get_sock_listen(&hcon->src,
 						     &hcon->dst,
-						     iso_match_big, ev);
-		else
+						     iso_match_pa_sync_flag, NULL);
+			if (!parent && ev)
+				parent = iso_get_sock_listen(&hcon->src,
+							     &hcon->dst,
+							     iso_match_big, ev);
+		} else if (test_bit(HCI_CONN_PA_SYNC, &hcon->flags) ||
+				test_bit(HCI_CONN_PA_SYNC_FAILED, &hcon->flags)) {
+			ev2 = hci_recv_event_data(hcon->hdev,
+						  HCI_EV_LE_PA_SYNC_ESTABLISHED);
+			if (ev2)
+				parent = iso_get_sock_listen(&hcon->src,
+							     &hcon->dst,
+							     iso_match_sid, ev2);
+		}
+
+		if (!parent)
 			parent = iso_get_sock_listen(&hcon->src,
-						     BDADDR_ANY, NULL, NULL);
+							BDADDR_ANY, NULL, NULL);
 
 		if (!parent)
 			return;
@@ -1554,11 +1629,17 @@ static void iso_conn_ready(struct iso_conn *conn)
 		iso_sock_init(sk, parent);
 
 		bacpy(&iso_pi(sk)->src, &hcon->src);
-		iso_pi(sk)->src_type = hcon->src_type;
+
+		/* Convert from HCI to three-value type */
+		if (hcon->src_type == ADDR_LE_DEV_PUBLIC)
+			iso_pi(sk)->src_type = BDADDR_LE_PUBLIC;
+		else
+			iso_pi(sk)->src_type = BDADDR_LE_RANDOM;
 
 		/* If hcon has no destination address (BDADDR_ANY) it means it
-		 * was created by HCI_EV_LE_BIG_SYNC_ESTABILISHED so we need to
-		 * initialize using the parent socket destination address.
+		 * was created by HCI_EV_LE_BIG_SYNC_ESTABILISHED or
+		 * HCI_EV_LE_PA_SYNC_ESTABLISHED so we need to initialize using
+		 * the parent socket destination address.
 		 */
 		if (!bacmp(&hcon->dst, BDADDR_ANY)) {
 			bacpy(&hcon->dst, &iso_pi(parent)->dst);
@@ -1566,13 +1647,24 @@ static void iso_conn_ready(struct iso_conn *conn)
 			hcon->sync_handle = iso_pi(parent)->sync_handle;
 		}
 
+		if (ev2 && !ev2->status) {
+			iso_pi(sk)->sync_handle = iso_pi(parent)->sync_handle;
+			iso_pi(sk)->qos = iso_pi(parent)->qos;
+			iso_pi(sk)->bc_num_bis = iso_pi(parent)->bc_num_bis;
+			memcpy(iso_pi(sk)->bc_bis, iso_pi(parent)->bc_bis, ISO_MAX_NUM_BIS);
+		}
+
 		bacpy(&iso_pi(sk)->dst, &hcon->dst);
 		iso_pi(sk)->dst_type = hcon->dst_type;
+		iso_pi(sk)->sync_handle = iso_pi(parent)->sync_handle;
+		memcpy(iso_pi(sk)->base, iso_pi(parent)->base, iso_pi(parent)->base_len);
+		iso_pi(sk)->base_len = iso_pi(parent)->base_len;
 
 		hci_conn_hold(hcon);
 		iso_chan_add(conn, sk, parent);
 
-		if (ev && ((struct hci_evt_le_big_sync_estabilished *)ev)->status) {
+		if ((ev && ((struct hci_evt_le_big_sync_estabilished *)ev)->status) ||
+		    (ev2 && ev2->status)) {
 			/* Trigger error signal on child socket */
 			sk->sk_err = ECONNREFUSED;
 			sk->sk_error_report(sk);
@@ -1604,12 +1696,20 @@ static bool iso_match_sync_handle(struct sock *sk, void *data)
 	return le16_to_cpu(ev->sync_handle) == iso_pi(sk)->sync_handle;
 }
 
+static bool iso_match_sync_handle_pa_report(struct sock *sk, void *data)
+{
+	struct hci_ev_le_per_adv_report *ev = data;
+
+	return le16_to_cpu(ev->sync_handle) == iso_pi(sk)->sync_handle;
+}
+
 /* ----- ISO interface with lower layer (HCI) ----- */
 
 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
 {
 	struct hci_ev_le_pa_sync_established *ev1;
 	struct hci_evt_le_big_info_adv_report *ev2;
+	struct hci_ev_le_per_adv_report *ev3;
 	struct sock *sk;
 	int lm = 0;
 
@@ -1625,12 +1725,15 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
 	 * 2. HCI_EVT_LE_BIG_INFO_ADV_REPORT: When connect_ind is triggered by a
 	 * a BIG Info it attempts to check if there any listening socket with
 	 * the same sync_handle and if it does then attempt to create a sync.
+	 * 3. HCI_EV_LE_PER_ADV_REPORT: When a PA report is received, it is stored
+	 * in iso_pi(sk)->base so it can be passed up to user, in the case of a
+	 * broadcast sink.
 	 */
 	ev1 = hci_recv_event_data(hdev, HCI_EV_LE_PA_SYNC_ESTABLISHED);
 	if (ev1) {
 		sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr, iso_match_sid,
 					 ev1);
-		if (sk)
+		if (sk && !ev1->status)
 			iso_pi(sk)->sync_handle = le16_to_cpu(ev1->handle);
 
 		goto done;
@@ -1638,16 +1741,21 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
 
 	ev2 = hci_recv_event_data(hdev, HCI_EVT_LE_BIG_INFO_ADV_REPORT);
 	if (ev2) {
+		/* Try to get PA sync listening socket, if it exists */
 		sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
-					 iso_match_sync_handle, ev2);
+						iso_match_pa_sync_flag, NULL);
+		if (!sk)
+			sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
+						 iso_match_sync_handle, ev2);
 		if (sk) {
 			int err;
 
 			if (ev2->num_bis < iso_pi(sk)->bc_num_bis)
 				iso_pi(sk)->bc_num_bis = ev2->num_bis;
 
-			if (!test_and_set_bit(BT_SK_BIG_SYNC, &iso_pi(sk)->flags)) {
-				err = hci_le_big_create_sync(hdev,
+			if (!test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags) &&
+			    !test_and_set_bit(BT_SK_BIG_SYNC, &iso_pi(sk)->flags)) {
+				err = hci_le_big_create_sync(hdev, NULL,
 							     &iso_pi(sk)->qos,
 							     iso_pi(sk)->sync_handle,
 							     iso_pi(sk)->bc_num_bis,
@@ -1659,6 +1767,17 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
 				}
 			}
 		}
+	}
+
+	ev3 = hci_recv_event_data(hdev, HCI_EV_LE_PER_ADV_REPORT);
+	if (ev3) {
+		sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
+					 iso_match_sync_handle_pa_report, ev3);
+
+		if (sk) {
+			memcpy(iso_pi(sk)->base, ev3->data, ev3->length);
+			iso_pi(sk)->base_len = ev3->length;
+		}
 	} else {
 		sk = iso_get_sock_listen(&hdev->bdaddr, BDADDR_ANY, NULL, NULL);
 	}
@@ -1699,12 +1818,13 @@ static void iso_connect_cfm(struct hci_conn *hcon, __u8 status)
 
 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);
 
-	/* Similar to the success case, if HCI_CONN_BIG_SYNC_FAILED is set,
-	 * queue the failed bis connection into the accept queue of the
-	 * listening socket and wake up userspace, to inform the user about
-	 * the BIG sync failed event.
+	/* Similar to the success case, if HCI_CONN_BIG_SYNC_FAILED or
+	 * HCI_CONN_PA_SYNC_FAILED is set, queue the failed connection
+	 * into the accept queue of the listening socket and wake up
+	 * userspace, to inform the user about the event.
 	 */
-	if (!status || test_bit(HCI_CONN_BIG_SYNC_FAILED, &hcon->flags)) {
+	if (!status || test_bit(HCI_CONN_BIG_SYNC_FAILED, &hcon->flags) ||
+	    test_bit(HCI_CONN_PA_SYNC_FAILED, &hcon->flags)) {
 		struct iso_conn *conn;
 
 		conn = iso_conn_add(hcon);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d6c9b7bc8592..ba2e00646e8e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5381,9 +5381,9 @@ static u8 parse_adv_monitor_pattern(struct adv_monitor *m, u8 pattern_count,
 	for (i = 0; i < pattern_count; i++) {
 		offset = patterns[i].offset;
 		length = patterns[i].length;
-		if (offset >= HCI_MAX_AD_LENGTH ||
-		    length > HCI_MAX_AD_LENGTH ||
-		    (offset + length) > HCI_MAX_AD_LENGTH)
+		if (offset >= HCI_MAX_EXT_AD_LENGTH ||
+		    length > HCI_MAX_EXT_AD_LENGTH ||
+		    (offset + length) > HCI_MAX_EXT_AD_LENGTH)
 			return MGMT_STATUS_INVALID_PARAMS;
 
 		p = kmalloc(sizeof(*p), GFP_KERNEL);