From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81A2EC433FE for ; Thu, 24 Mar 2022 20:07:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353229AbiCXUIp (ORCPT ); Thu, 24 Mar 2022 16:08:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241546AbiCXUIo (ORCPT ); Thu, 24 Mar 2022 16:08:44 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F285B245C; Thu, 24 Mar 2022 13:07:11 -0700 (PDT) Received: from pendragon.ideasonboard.com (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 381DA14CD; Thu, 24 Mar 2022 21:07:09 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1648152429; bh=0eOQsHYDIIbVZCbf67FHyRGuPJuqHwQLe+/L63VKp0Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PtRlmWJgOon/0zxahejq/GCd1M8wZ9DD2K2XAn07nlV2JUnwbIiIDZMYSQu3QWbNs +jlqXrgN1XWNC/ApUkTqz3aS8tzV70gR5n8wKxPy/C8h78S/dDAcanz3bziHWiUd1v VnhMaUIoYhXL/4nPMjOvwempy9FkUlBmc9q4qkh0= Date: Thu, 24 Mar 2022 22:07:07 +0200 From: Laurent Pinchart To: Ricardo Ribalda Cc: Hangyu Hua , mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl_map Message-ID: References: <20220324081718.41091-1-hbh25y@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 24, 2022 at 06:17:18PM +0100, Ricardo Ribalda wrote: > Isnt it a dupe of: > https://patchwork.linuxtv.org/project/linux-media/patch/20211008120914.69175-1-ribalda@chromium.org/ > ? It is. I'll review that one. > On Thu, 24 Mar 2022 at 18:13, Hangyu Hua wrote: > > > > map->name needs to be freed when uvc_ioctl_ctrl_map fails. > > > > Signed-off-by: Hangyu Hua > > --- > > drivers/media/usb/uvc/uvc_v4l2.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c > > index 711556d13d03..e46a2f3b06cb 100644 > > --- a/drivers/media/usb/uvc/uvc_v4l2.c > > +++ b/drivers/media/usb/uvc/uvc_v4l2.c > > @@ -93,6 +93,7 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain, > > > > kfree(map->menu_info); > > free_map: > > + kfree(map->name); > > kfree(map); > > > > return ret; -- Regards, Laurent Pinchart