diff options
| author | Edward AD <twuufnxlz@gmail.com> | 2023-10-10 13:36:57 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2023-10-13 20:03:04 -0700 |
| commit | 18f547f3fc074500ab5d419cf482240324e73a7e (patch) | |
| tree | bffb5e38bacaf2eaa7bb4933adbe36931d99f906 /net | |
| parent | 9ee252868787ab5a26012d69e335c7371f54563a (diff) | |
Bluetooth: hci_sock: fix slab oob read in create_monitor_event
When accessing hdev->name, the actual string length should prevail
Reported-by: syzbot+c90849c50ed209d77689@syzkaller.appspotmail.com
Fixes: dcda165706b9 ("Bluetooth: hci_core: Fix build warnings")
Signed-off-by: Edward AD <twuufnxlz@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 5e4f718073b7..72abe54c45dd 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -488,7 +488,7 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event) 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; |