Hi Luiz, url: https://github.com/0day-ci/linux/commits/Luiz-Augusto-von-Dentz/Bluetooth-Add-initial-implementation-of-CIS-connections/20200118-034643 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> New smatch warnings: net/bluetooth/hci_event.c:3188 hci_cc_le_set_cig_params() warn: inconsistent returns 'hdev->lock'. Old smatch warnings: net/bluetooth/hci_event.c:5567 hci_le_adv_report_evt() warn: potential spectre issue 'ev->data' [r] (local cap) net/bluetooth/hci_event.c:5569 hci_le_adv_report_evt() warn: possible spectre second half. 'rssi' # https://github.com/0day-ci/linux/commit/88d6b37aa7d732b2392e953206c3231560035c3c git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 88d6b37aa7d732b2392e953206c3231560035c3c vim +3188 net/bluetooth/hci_event.c 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3150 static void hci_cc_le_set_cig_params(struct hci_dev *hdev, struct sk_buff *skb) 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3151 { 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3152 struct hci_rp_le_set_cig_params *rp = (void *) skb->data; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3153 struct hci_conn *conn; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3154 int i = 0; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3155 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3156 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3157 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3158 hci_dev_lock(hdev); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3159 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3160 rcu_read_lock(); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3161 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3162 list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) { 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3163 if (conn->type != ISO_LINK || conn->handle || 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3164 conn->state == BT_CONNECTED) 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3165 continue; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3166 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3167 if (rp->status) { 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3168 conn->state = BT_CLOSED; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3169 hci_connect_cfm(conn, rp->status); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3170 hci_conn_del(conn); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3171 return; ^^^^^^^ goto unlock 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3172 } 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3173 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3174 conn->handle = __le16_to_cpu(rp->handle[i++]); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3175 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3176 BT_DBG("%p handle 0x%4.4x", conn, conn->handle); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3177 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3178 /* Create CIS if LE is already connected */ 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3179 if (conn->link->state == BT_CONNECTED) 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3180 hci_le_create_cis(conn->link); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3181 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3182 if (i == rp->num_handles) 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3183 break; 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3184 } 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3185 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3186 rcu_read_unlock(); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3187 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 @3188 hci_dev_unlock(hdev); 88d6b37aa7d732 Luiz Augusto von Dentz 2020-01-16 3189 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
