diff --git a/Makefile b/Makefile
index 74072b5a958b..69e7cd30e646 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 239
+SUBLEVEL = 240
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c 
b/drivers/crypto/qat/qat_common/qat_algs.c
index 367b6661ee04..4dda526bd21b 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -822,6 +822,11 @@ static int qat_alg_aead_dec(struct aead_request *areq)
        struct icp_qat_fw_la_bulk_req *msg;
        int digst_size = crypto_aead_authsize(aead_tfm);
        int ret, ctr = 0;
+       u32 cipher_len;
+
+       cipher_len = areq->cryptlen - digst_size;
+       if (cipher_len % AES_BLOCK_SIZE != 0)
+               return -EINVAL;
 
        ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req);
        if (unlikely(ret))
@@ -836,7 +841,7 @@ static int qat_alg_aead_dec(struct aead_request *areq)
        qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp;
        qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp;
        cipher_param = (void *)&qat_req->req.serv_specif_rqpars;
-       cipher_param->cipher_length = areq->cryptlen - digst_size;
+       cipher_param->cipher_length = cipher_len;
        cipher_param->cipher_offset = areq->assoclen;
        memcpy(cipher_param->u.cipher_IV_array, areq->iv, AES_BLOCK_SIZE);
        auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param));
@@ -865,6 +870,9 @@ static int qat_alg_aead_enc(struct aead_request *areq)
        uint8_t *iv = areq->iv;
        int ret, ctr = 0;
 
+       if (areq->cryptlen % AES_BLOCK_SIZE != 0)
+               return -EINVAL;
+
        ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req);
        if (unlikely(ret))
                return ret;
diff --git a/drivers/media/usb/usbtv/usbtv-core.c 
b/drivers/media/usb/usbtv/usbtv-core.c
index a2eb87d74656..8a1440a573a3 100644
--- a/drivers/media/usb/usbtv/usbtv-core.c
+++ b/drivers/media/usb/usbtv/usbtv-core.c
@@ -96,7 +96,8 @@ static int usbtv_probe(struct usb_interface *intf,
 
 usbtv_audio_fail:
        /* we must not free at this point */
-       usb_get_dev(usbtv->udev);
+       v4l2_device_get(&usbtv->v4l2_dev);
+       /* this will undo the v4l2_device_get() */
        usbtv_video_free(usbtv);
 
 usbtv_video_fail:
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 57001f8f727a..6ed2959ce4dc 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1917,13 +1917,13 @@ static int __unregister(struct device *dev, void *null)
  */
 void spi_unregister_master(struct spi_master *master)
 {
+       device_for_each_child(&master->dev, NULL, __unregister);
+
        if (master->queued) {
                if (spi_destroy_queue(master))
                        dev_err(&master->dev, "queue remove failed\n");
        }
 
-       device_for_each_child(&master->dev, NULL, __unregister);
-
        mutex_lock(&board_lock);
        list_del(&master->list);
        mutex_unlock(&board_lock);
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c 
b/drivers/staging/comedi/drivers/vmk80xx.c
index 95e53cfd76a4..51f9a7800edf 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -676,6 +676,9 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device 
*dev)
        if (!devpriv->ep_rx || !devpriv->ep_tx)
                return -ENODEV;
 
+       if (!usb_endpoint_maxp(devpriv->ep_rx) || 
!usb_endpoint_maxp(devpriv->ep_tx))
+               return -EINVAL;
+
        return 0;
 }
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 25e76d4c1505..5b42b8d760cb 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1032,6 +1032,11 @@ static const struct usb_device_id id_table_combined[] = {
        /* U-Blox devices */
        { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
        { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
+       /* FreeCalypso USB adapters */
+       { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
+               .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+       { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
+               .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
        { }                                     /* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
index c33e06752b5f..f3302516a1e4 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -38,6 +38,13 @@
 
 #define FTDI_LUMEL_PD12_PID    0x6002
 
+/*
+ * Custom USB adapters made by Falconia Partners LLC
+ * for FreeCalypso project, ID codes allocated to Falconia by FTDI.
+ */
+#define FTDI_FALCONIA_JTAG_BUF_PID     0x7150
+#define FTDI_FALCONIA_JTAG_UNBUF_PID   0x7151
+
 /* Sienna Serial Interface by Secyourit GmbH */
 #define FTDI_SIENNA_PID                0x8348
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 8cff50ef4fd1..5017d37afe39 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -529,6 +529,7 @@ static void option_instat_callback(struct urb *urb);
 /* Cellient products */
 #define CELLIENT_VENDOR_ID                     0x2692
 #define CELLIENT_PRODUCT_MEN200                        0x9005
+#define CELLIENT_PRODUCT_MPL200                        0x9025
 
 /* Hyundai Petatel Inc. products */
 #define PETATEL_VENDOR_ID                      0x1ff4
@@ -1171,6 +1172,8 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = NCTRL(2) | RSVD(3) },
        { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff),    /* 
Telit FN980 (ECM) */
          .driver_info = NCTRL(0) | RSVD(1) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff),    /* 
Telit FT980-KS */
+         .driver_info = NCTRL(2) | RSVD(3) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
          .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1967,6 +1970,8 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 
MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
        { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 
MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
        { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
+       { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200),
+         .driver_info = RSVD(1) | RSVD(4) },
        { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) },
        { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) },
        { USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 
0xff, 0x00, 0x00) },      /* TP-Link LTE Module */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 4fcded2971d1..bf5533d6d83b 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -89,6 +89,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LD381GC_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 54d2fb974a41..9d27c076f477 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -125,6 +125,7 @@
 
 /* Hewlett-Packard POS Pole Displays */
 #define HP_VENDOR_ID           0x03f0
+#define HP_LD381GC_PRODUCT_ID  0x0183
 #define HP_LM920_PRODUCT_ID    0x026b
 #define HP_TD620_PRODUCT_ID    0x0956
 #define HP_LD960_PRODUCT_ID    0x0b39
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 60ba35087d12..cfb4691d9274 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1553,11 +1553,7 @@ void reiserfs_read_locked_inode(struct inode *inode,
         * set version 1, version 2 could be used too, because stat data
         * key is the same in both versions
         */
-       key.version = KEY_FORMAT_3_5;
-       key.on_disk_key.k_dir_id = dirino;
-       key.on_disk_key.k_objectid = inode->i_ino;
-       key.on_disk_key.k_offset = 0;
-       key.on_disk_key.k_type = 0;
+       _make_cpu_key(&key, KEY_FORMAT_3_5, dirino, inode->i_ino, 0, 0, 3);
 
        /* look for the object's stat data */
        retval = search_item(inode->i_sb, &key, &path_to_sd);
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index d424b3d4bf3b..92d39cbc2d64 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -656,6 +656,13 @@ reiserfs_xattr_get(struct inode *inode, const char *name, 
void *buffer,
        if (get_inode_sd_version(inode) == STAT_DATA_V1)
                return -EOPNOTSUPP;
 
+       /*
+        * priv_root needn't be initialized during mount so allow initial
+        * lookups to succeed.
+        */
+       if (!REISERFS_SB(inode->i_sb)->priv_root)
+               return 0;
+
        dentry = xattr_lookup(inode, name, XATTR_REPLACE);
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7c0c83dfe86e..5aaf6cdb121a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1235,16 +1235,34 @@ static inline void hci_auth_cfm(struct hci_conn *conn, 
__u8 status)
                conn->security_cfm_cb(conn, status);
 }
 
-static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
-                                                               __u8 encrypt)
+static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
 {
        struct hci_cb *cb;
+       __u8 encrypt;
+
+       if (conn->state == BT_CONFIG) {
+               if (!status)
+                       conn->state = BT_CONNECTED;
 
-       if (conn->sec_level == BT_SECURITY_SDP)
-               conn->sec_level = BT_SECURITY_LOW;
+               hci_connect_cfm(conn, status);
+               hci_conn_drop(conn);
+               return;
+       }
 
-       if (conn->pending_sec_level > conn->sec_level)
-               conn->sec_level = conn->pending_sec_level;
+       if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
+               encrypt = 0x00;
+       else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
+               encrypt = 0x02;
+       else
+               encrypt = 0x01;
+
+       if (!status) {
+               if (conn->sec_level == BT_SECURITY_SDP)
+                       conn->sec_level = BT_SECURITY_LOW;
+
+               if (conn->pending_sec_level > conn->sec_level)
+                       conn->sec_level = conn->pending_sec_level;
+       }
 
        mutex_lock(&hci_cb_list_lock);
        list_for_each_entry(cb, &hci_cb_list, list) {
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 5f123c3320a7..8f918155685d 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -233,6 +233,9 @@ static int a2mp_discover_rsp(struct amp_mgr *mgr, struct 
sk_buff *skb,
                        struct a2mp_info_req req;
 
                        found = true;
+
+                       memset(&req, 0, sizeof(req));
+
                        req.id = cl->id;
                        a2mp_send(mgr, A2MP_GETINFO_REQ, __next_ident(mgr),
                                  sizeof(req), &req);
@@ -312,6 +315,8 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct 
sk_buff *skb,
        if (!hdev || hdev->dev_type != HCI_AMP) {
                struct a2mp_info_rsp rsp;
 
+               memset(&rsp, 0, sizeof(rsp));
+
                rsp.id = req->id;
                rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
 
@@ -355,6 +360,8 @@ static int a2mp_getinfo_rsp(struct amp_mgr *mgr, struct 
sk_buff *skb,
        if (!ctrl)
                return -ENOMEM;
 
+       memset(&req, 0, sizeof(req));
+
        req.id = rsp->id;
        a2mp_send(mgr, A2MP_GETAMPASSOC_REQ, __next_ident(mgr), sizeof(req),
                  &req);
@@ -383,6 +390,8 @@ static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct 
sk_buff *skb,
                struct a2mp_amp_assoc_rsp rsp;
                rsp.id = req->id;
 
+               memset(&rsp, 0, sizeof(rsp));
+
                if (tmp) {
                        rsp.status = A2MP_STATUS_COLLISION_OCCURED;
                        amp_mgr_put(tmp);
@@ -471,7 +480,6 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
                                   struct a2mp_cmd *hdr)
 {
        struct a2mp_physlink_req *req = (void *) skb->data;
-
        struct a2mp_physlink_rsp rsp;
        struct hci_dev *hdev;
        struct hci_conn *hcon;
@@ -482,6 +490,8 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
 
        BT_DBG("local_id %d, remote_id %d", req->local_id, req->remote_id);
 
+       memset(&rsp, 0, sizeof(rsp));
+
        rsp.local_id = req->remote_id;
        rsp.remote_id = req->local_id;
 
@@ -560,6 +570,8 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
 
        BT_DBG("local_id %d remote_id %d", req->local_id, req->remote_id);
 
+       memset(&rsp, 0, sizeof(rsp));
+
        rsp.local_id = req->remote_id;
        rsp.remote_id = req->local_id;
        rsp.status = A2MP_STATUS_SUCCESS;
@@ -682,6 +694,8 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, 
struct sk_buff *skb)
        if (err) {
                struct a2mp_cmd_rej rej;
 
+               memset(&rej, 0, sizeof(rej));
+
                rej.reason = cpu_to_le16(0);
                hdr = (void *) skb->data;
 
@@ -905,6 +919,8 @@ void a2mp_send_getinfo_rsp(struct hci_dev *hdev)
 
        BT_DBG("%s mgr %p", hdev->name, mgr);
 
+       memset(&rsp, 0, sizeof(rsp));
+
        rsp.id = hdev->id;
        rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
 
@@ -1002,6 +1018,8 @@ void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, 
u8 status)
        if (!mgr)
                return;
 
+       memset(&rsp, 0, sizeof(rsp));
+
        hs_hcon = hci_conn_hash_lookup_state(hdev, AMP_LINK, BT_CONNECT);
        if (!hs_hcon) {
                rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
@@ -1034,6 +1052,8 @@ void a2mp_discover_amp(struct l2cap_chan *chan)
 
        mgr->bredr_chan = chan;
 
+       memset(&req, 0, sizeof(req));
+
        req.mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU);
        req.ext_feat = 0;
        a2mp_send(mgr, A2MP_DISCOVER_REQ, 1, sizeof(req), &req);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 114bcf6ea916..2c94e3cd3545 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1173,6 +1173,23 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
                        return 0;
        }
 
+        /* AES encryption is required for Level 4:
+         *
+         * BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 3, Part C
+         * page 1319:
+         *
+         * 128-bit equivalent strength for link and encryption keys
+         * required using FIPS approved algorithms (E0 not allowed,
+         * SAFER+ not allowed, and P-192 not allowed; encryption key
+         * not shortened)
+         */
+       if (conn->sec_level == BT_SECURITY_FIPS &&
+           !test_bit(HCI_CONN_AES_CCM, &conn->flags)) {
+               bt_dev_err(conn->hdev,
+                          "Invalid security: Missing AES-CCM usage");
+               return 0;
+       }
+
        if (hci_conn_ssp_enabled(conn) &&
            !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
                return 0;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 03319ab8a7c6..7cee89fddcd5 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1133,6 +1133,9 @@ static void store_pending_adv_report(struct hci_dev 
*hdev, bdaddr_t *bdaddr,
 {
        struct discovery_state *d = &hdev->discovery;
 
+       if (len > HCI_MAX_AD_LENGTH)
+               return;
+
        bacpy(&d->last_adv_addr, bdaddr);
        d->last_adv_addr_type = bdaddr_type;
        d->last_adv_rssi = rssi;
@@ -2479,7 +2482,7 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, 
struct sk_buff *skb)
                                     &cp);
                } else {
                        clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
-                       hci_encrypt_cfm(conn, ev->status, 0x00);
+                       hci_encrypt_cfm(conn, ev->status);
                }
        }
 
@@ -2565,22 +2568,7 @@ static void read_enc_key_size_complete(struct hci_dev 
*hdev, u8 status,
                conn->enc_key_size = rp->key_size;
        }
 
-       if (conn->state == BT_CONFIG) {
-               conn->state = BT_CONNECTED;
-               hci_connect_cfm(conn, 0);
-               hci_conn_drop(conn);
-       } else {
-               u8 encrypt;
-
-               if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
-                       encrypt = 0x00;
-               else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
-                       encrypt = 0x02;
-               else
-                       encrypt = 0x01;
-
-               hci_encrypt_cfm(conn, 0, encrypt);
-       }
+       hci_encrypt_cfm(conn, 0);
 
 unlock:
        hci_dev_unlock(hdev);
@@ -2627,24 +2615,20 @@ static void hci_encrypt_change_evt(struct hci_dev 
*hdev, struct sk_buff *skb)
 
        clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
 
+       /* Check link security requirements are met */
+       if (!hci_conn_check_link_mode(conn))
+               ev->status = HCI_ERROR_AUTH_FAILURE;
+
        if (ev->status && conn->state == BT_CONNECTED) {
+               /* Notify upper layers so they can cleanup before
+                * disconnecting.
+                */
+               hci_encrypt_cfm(conn, ev->status);
                hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
                hci_conn_drop(conn);
                goto unlock;
        }
 
-       /* In Secure Connections Only mode, do not allow any connections
-        * that are not encrypted with AES-CCM using a P-256 authenticated
-        * combination key.
-        */
-       if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
-           (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
-            conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
-               hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
-               hci_conn_drop(conn);
-               goto unlock;
-       }
-
        /* Try reading the encryption key size for encrypted ACL links */
        if (!ev->status && ev->encrypt && conn->type == ACL_LINK) {
                struct hci_cp_read_enc_key_size cp;
@@ -2674,14 +2658,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, 
struct sk_buff *skb)
        }
 
 notify:
-       if (conn->state == BT_CONFIG) {
-               if (!ev->status)
-                       conn->state = BT_CONNECTED;
-
-               hci_connect_cfm(conn, ev->status);
-               hci_conn_drop(conn);
-       } else
-               hci_encrypt_cfm(conn, ev->status, ev->encrypt);
+       hci_encrypt_cfm(conn, ev->status);
 
 unlock:
        hci_dev_unlock(hdev);
@@ -4752,6 +4729,11 @@ static void process_adv_report(struct hci_dev *hdev, u8 
type, bdaddr_t *bdaddr,
        u32 flags;
        u8 *ptr, real_len;
 
+       if (len > HCI_MAX_AD_LENGTH) {
+               pr_err_ratelimited("legacy adv larger than 31 bytes");
+               return;
+       }
+
        /* Find the end of the data in case the report contains padded zero
         * bytes at the end causing an invalid length value.
         *
@@ -4812,7 +4794,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 
type, bdaddr_t *bdaddr,
         */
        conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type,
                                                                direct_addr);
-       if (conn && type == LE_ADV_IND) {
+       if (conn && type == LE_ADV_IND && len <= HCI_MAX_AD_LENGTH) {
                /* Store report for later inclusion by
                 * mgmt_device_connected
                 */
@@ -4937,10 +4919,14 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, 
struct sk_buff *skb)
                struct hci_ev_le_advertising_info *ev = ptr;
                s8 rssi;
 
-               rssi = ev->data[ev->length];
-               process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
-                                  ev->bdaddr_type, NULL, 0, rssi,
-                                  ev->data, ev->length);
+               if (ev->length <= HCI_MAX_AD_LENGTH) {
+                       rssi = ev->data[ev->length];
+                       process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
+                                          ev->bdaddr_type, NULL, 0, rssi,
+                                          ev->data, ev->length);
+               } else {
+                       bt_dev_err(hdev, "Dropping invalid advertising data");
+               }
 
                ptr += sizeof(*ev) + ev->length + 1;
        }
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index ecc3da6a14a1..ee761fb09559 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -628,7 +628,8 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 
                if (lmp_ssp_capable(hdev)) {
                        settings |= MGMT_SETTING_SSP;
-                       settings |= MGMT_SETTING_HS;
+                       if (IS_ENABLED(CONFIG_BT_HS))
+                               settings |= MGMT_SETTING_HS;
                }
 
                if (lmp_sc_capable(hdev))
@@ -2281,6 +2282,10 @@ static int set_link_security(struct sock *sk, struct 
hci_dev *hdev, void *data,
 
        BT_DBG("request for %s", hdev->name);
 
+       if (!IS_ENABLED(CONFIG_BT_HS))
+               return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+                                      MGMT_STATUS_NOT_SUPPORTED);
+
        status = mgmt_bredr_support(hdev);
        if (status)
                return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
  • Linux 4.4.240 Greg Kroah-Hartman
    • Re: Linux 4.4.240 Greg Kroah-Hartman

Reply via email to