From nobody Mon May 25 05:56:12 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B7FDE371868; Mon, 18 May 2026 02:25:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779071139; cv=none; b=VzjfsjUaU2R50KJReMRUL2VQ+sSIpqVe4udOyub4n/E353kyZHxa5Bg4YAM7AooODtogqwFU0RN7bGG66ZLN8kiILrsjBD/tvAY8YBOqanCoqW4qX5wyhA9+SNVvHJOcph7aPuGxgA8kc1vCu+eqltvV1xlPOyKar6pAMBNirJo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779071139; c=relaxed/simple; bh=uV+jFBUEnGXkLLZqFCtOF97/0ASYUIImSng7OVIxVpU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=erMWDI7IlN8hdmZPzmE4ZvjRw3kT5CrhdmNhqeT+xHqhzfNR5/7kQ3p6/9t7stsqO4E40MzTbDLC+xD7MBsL6f+Wgp2Hd3x7ATA7H9EgjfZS+y96jQ6AkhnQO5pI3wc28YhvnNCV/y36Rc9Nl2ubxxOdkK/3LqTpaKHUy3lv2qM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: d561538e526011f1aa26b74ffac11d73-20260518 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:c236859b-15a4-4d0b-b8c7-16c31383d480,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:e7bac3a,CLOUDID:6e5ed57f5224c0bbdd472a88d5105ce5,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|865|898,TC:nil,Content:0|15|50,EDM:- 3,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,A V:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: d561538e526011f1aa26b74ffac11d73-20260518 X-User: liujiajia@kylinos.cn Received: from nature.lan [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 341870714; Mon, 18 May 2026 10:25:27 +0800 From: Jiajia Liu To: Marcel Holtmann , Luiz Augusto von Dentz , Matthias Brugger , AngeloGioacchino Del Regno , Sean Wang Cc: linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Jiajia Liu Subject: [PATCH] Bluetooth: btmtk: fix urb->setup_packet leak in error paths Date: Mon, 18 May 2026 10:24:02 +0800 Message-ID: <20260518022402.20398-1-liujiajia@kylinos.cn> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The setup_packet of control urb is not freed if usb_submit_urb fails or the submitted urb is killed. Add free in these two paths. Fixes: a1c49c434e150 ("Bluetooth: btusb: Add protocol support for MediaTek = MT7668U USB devices") Signed-off-by: Jiajia Liu --- drivers/bluetooth/btmtk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index f70c1b0f8990..5330f06f000a 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -537,6 +537,7 @@ static void btmtk_usb_wmt_recv(struct urb *urb) return; } else if (urb->status =3D=3D -ENOENT) { /* Avoid suspend failed when usb_kill_urb */ + kfree(urb->setup_packet); return; } =20 @@ -610,6 +611,7 @@ static int btmtk_usb_submit_wmt_recv_urb(struct hci_dev= *hdev) if (err !=3D -EPERM && err !=3D -ENODEV) bt_dev_err(hdev, "urb %p submission failed (%d)", urb, -err); + kfree(dr); usb_unanchor_urb(urb); } =20 --=20 2.53.0