github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-27 08:33:17 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

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

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

Fixes: ba17bb62ce ("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>
This commit is contained in:
Haoxiang Li 2025-02-21 16:49:47 +08:00 committed by Luiz Augusto von Dentz
parent cbf85b9cb8
commit f2176a07e7
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/bluetooth/mgmt.c
View File

@ -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);