diff options
| author | Edward Adam Davis <eadavis@qq.com> | 2024-01-18 12:40:34 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2024-03-06 17:22:39 -0500 |
| commit | b79e040910101b020931ba0c9a6b77e81ab7f645 (patch) | |
| tree | 548ef5791003c0c73077e513d439499efbd2bfcf /drivers/bluetooth | |
| parent | 9c16d0c8d93e3d2a95c5ed927b061f244db75579 (diff) | |
Bluetooth: btintel: Fix null ptr deref in btintel_read_version
If hci_cmd_sync_complete() is triggered and skb is NULL, then
hdev->req_skb is NULL, which will cause this issue.
Reported-and-tested-by: syzbot+830d9e3fa61968246abd@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btintel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index cdc5c08824a0..e5b043d96207 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -435,7 +435,7 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver) struct sk_buff *skb; skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_CMD_TIMEOUT); - if (IS_ERR(skb)) { + if (IS_ERR_OR_NULL(skb)) { bt_dev_err(hdev, "Reading Intel version information failed (%ld)", PTR_ERR(skb)); return PTR_ERR(skb); |