diff options
| author | Haoxiang Li <haoxiang_li2024@163.com> | 2025-02-21 16:49:47 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2025-02-27 16:50:24 -0500 |
| commit | f2176a07e7b19f73e05c805cf3d130a2999154cb (patch) | |
| tree | 4481aec66fed77365a15db5a90bc370e8f458ba0 | |
| parent | cbf85b9cb80bec6345ffe0368dfff98386f4714f (diff) | |
Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()
Add check for the return value of mgmt_alloc_skb() in
mgmt_remote_name() to prevent null pointer dereference.
Fixes: ba17bb62ce41 ("Bluetooth: Fix skb allocation in mgmt_remote_name() & mgmt_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>
| -rw-r--r-- | net/bluetooth/mgmt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index f53304cb09db..3e0f88cd975c 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -10413,6 +10413,8 @@ void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, skb = mgmt_alloc_skb(hdev, MGMT_EV_DEVICE_FOUND, sizeof(*ev) + (name ? eir_precalc_len(name_len) : 0)); + if (!skb) + return; ev = skb_put(skb, sizeof(*ev)); bacpy(&ev->addr.bdaddr, bdaddr); |