tmakin/ack-tegra
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected()

Browse Source 
commit d8df010f72b8a32aaea393e36121738bb53ed905 upstream.

Add check for the return value of mgmt_alloc_skb() in
mgmt_device_connected() to prevent null pointer dereference.

Fixes: e96741437e ("Bluetooth: mgmt: Make use of mgmt_send_event_skb in MGMT_EV_DEVICE_CONNECTED")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Haoxiang Li
2025-02-21 16:58:01 +08:00
committed by Greg Kroah-Hartman
parent 88310caff6
commit 7841180342
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
net/bluetooth/mgmt.c
View File

@@ -9731,6 +9731,9 @@ void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
sizeof(*ev) + (name ? eir_precalc_len(name_len) : 0) +
eir_precalc_len(sizeof(conn->dev_class)));
if (!skb)
return;
ev = skb_put(skb, sizeof(*ev));
bacpy(&ev->addr.bdaddr, &conn->dst);
ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);