From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0B8262C21DD; Tue, 21 Jul 2026 16:02:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784649725; cv=none; b=HPhxijJXbgRdb648+CSTC4McjFvUUg0sUqTO+lO+V5sqKBUiihmK/9sieV5vUKpoC11He0mTzO7A41JI0dwWhNYd4n/DFwVV0F3S70+pKOQBg0gvfHRIhe0cHPpUQXmEKhKj6gMY1EnDrqSeB5T33qD555kxyHnsyRoHyepLAos= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784649725; c=relaxed/simple; bh=/wJwUxYr3kNUFPUhhtog6/QgUWE8zQzi1sKQj/PIC7E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bafLjVkBYL/hP88BlGN9koSs0d29Ep7rGMMG3g3+A+xfPZcfmndbnTO9B3kAtc++OZtbRw8imXfYP4jSu7Xqizt1t1NP5slT0czzstkZQzLbBSOScX2KyEOwVBz0Go40A8U2odi+C5rOeFE2DMNHjZLc5kqZKYEjf0BFjtI+hZA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0eaEjKkB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0eaEjKkB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68E111F000E9; Tue, 21 Jul 2026 16:02:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784649723; bh=Qp5YCeig+Kb9kK+hzVK1KgfJ/JCxXmYdpdoNupb9EyE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=0eaEjKkBhpTvul3DqgbMvOHYVrtSFyHTq2ygMnMzfQGXFGA2Kwq5aKsttgzzqQSss 3lFi4SAA/yISgoNo3PQwISdRqMQI+TP1wvLCfISvZpRokmbhIt0VcpjPkLAOiKh79l GZUaWWG/RE6u48wVCcNyh0NhmkfbSoUJmE3/J5Nw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhao Dongdong , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 7.1 0682/2077] Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path Date: Tue, 21 Jul 2026 17:05:55 +0200 Message-ID: <20260721152608.880392691@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152552.646164743@linuxfoundation.org> References: <20260721152552.646164743@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhao Dongdong [ Upstream commit f396f4005180928cd9e15e352a6512865d3bc908 ] When btmtk_isopkt_pad() fails, the previously allocated URB is not freed, leaking the urb structure. Add usb_free_urb() before returning the error. Fixes: ceac1cb0259d ("Bluetooth: btusb: mediatek: add ISO data transmission functions") Signed-off-by: Zhao Dongdong Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/btmtk.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index 8ff66b276af03e..c29e1841b2b3fb 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -1074,8 +1074,10 @@ struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb, if (!urb) return ERR_PTR(-ENOMEM); - if (btmtk_isopkt_pad(hdev, skb)) + if (btmtk_isopkt_pad(hdev, skb)) { + usb_free_urb(urb); return ERR_PTR(-EINVAL); + } pipe = usb_sndintpipe(btmtk_data->udev, btmtk_data->isopkt_tx_ep->bEndpointAddress); -- 2.53.0