5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Edward AD <twuufnxlz@xxxxxxxxx>
commit 18f547f3fc074500ab5d419cf482240324e73a7e upstream.
When accessing hdev->name, the actual string length should prevail
Reported-by: syzbot+c90849c50ed209d77689@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: dcda165706b9 ("Bluetooth: hci_core: Fix build warnings")
Signed-off-by: Edward AD <twuufnxlz@xxxxxxxxx>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/bluetooth/hci_sock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -438,7 +438,7 @@ static struct sk_buff *create_monitor_ev
ni->type = hdev->dev_type;
ni->bus = hdev->bus;
bacpy(&ni->bdaddr, &hdev->bdaddr);
- memcpy(ni->name, hdev->name, 8);
+ memcpy(ni->name, hdev->name, strlen(hdev->name));
opcode = cpu_to_le16(HCI_MON_NEW_INDEX);
break;
