Received: by 2002:a05:6a10:2726:0:0:0:0 with SMTP id ib38csp1861977pxb; Fri, 25 Mar 2022 07:00:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJymUG9G4uwnC+7uaDIpaJHec21w/Wz4PYngsJhnoggxd2U8qRpovAQG2Rgt8C4ECbQl7asf X-Received: by 2002:a17:906:c111:b0:6db:cf0e:3146 with SMTP id do17-20020a170906c11100b006dbcf0e3146mr11904775ejc.280.1648216809138; Fri, 25 Mar 2022 07:00:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1648216809; cv=none; d=google.com; s=arc-20160816; b=H0jVWpsrD7YRoBw2cnLV1D+aWCEbOp8DhHRqkOOmbv2at7hYnrjdSo3/AHDZ0NmmBo MqwxKJr7vGtqquX1NXQt3IG64xzCwgyEXLqUDGWt/LyDad703BGN3QyMYLlSOvHbHJBh Cz2hgGxdtrQ4dXil7CP4H3YOapDOCnfs8AP9IZiwaxGC0zHGdyiEDcLFv65IRWIhUaYX 1O2mOas7fwg+mDnESGKSsE6dAmgM5fFaG2SXKJe+7ECIJveXhKKULW5E/UYZb9eyGX1e dCZW1k8OSL00ruCA5oVZnm2EqqWWpOSJwYPejgu2ldFaDYKjURYiFzan8rI8qoP5N3TC ux+A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=x4vfCnzIPjyv57wSD3+oAjA+7hchoEnWIl5SY06Hv1o=; b=n72p/CcUz7aVWiLRJbTQdHZdf7BHQh0XrVanXBl/PaoEyYobAWfCR2sQc7mcqo4J7Y EdubnZTMvENDpNRy69FlV0uDiuRTBcDxb6/4EnSwTBeQTIUSW7FWiMino+7mOZaOgMKJ Z70LIYL77naMILJp1T6FZuEvqdJi5XzCS8uR45zLbkSzDK/TqOL1jpTBdg3B3K33KecN cyHxBwPcltPsz4uqxjDnt7v3Gx1EPMGqto7C2J8cdfy3TNQg+B/uO9F7uT26T05XOiMN +4tKSSu5ogj1edStKrCYAUrYkT0WG/sEkQNDkHoXtfbABaM4HOritTBveYnBmmPN8MWH ONeA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=TFrPGx7n; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x13-20020a170906804d00b006df76385e39si2643128ejw.729.2022.03.25.06.59.38; Fri, 25 Mar 2022 07:00:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=TFrPGx7n; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352194AbiCXRTG (ORCPT + 99 others); Thu, 24 Mar 2022 13:19:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240788AbiCXRTE (ORCPT ); Thu, 24 Mar 2022 13:19:04 -0400 Received: from mail-ej1-x632.google.com (mail-ej1-x632.google.com [IPv6:2a00:1450:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BD5BB188E for ; Thu, 24 Mar 2022 10:17:32 -0700 (PDT) Received: by mail-ej1-x632.google.com with SMTP id r13so10527447ejd.5 for ; Thu, 24 Mar 2022 10:17:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=x4vfCnzIPjyv57wSD3+oAjA+7hchoEnWIl5SY06Hv1o=; b=TFrPGx7n7uuJ9Ro2Mt6d3S5dk7HGfrXrptj+qZiNhrwZBrvEmM6e3wX2NxV4uJhyEU VwHUWpNMYACv8cJYGsCR4818P/h2PLLFw9iUCR7FUjyFDwWoxff9gPTC7AaQaJjeCQRn Zfzn+NGVqBluAy3ip8I6dCYjajGtxWh5nXZnQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=x4vfCnzIPjyv57wSD3+oAjA+7hchoEnWIl5SY06Hv1o=; b=MX3LGXNzaICIj/RXSBIsm+5aPdibtyMCqHbpqIxyD79y/o9ymgEr1kVfalp1ICABrw D5kdWVZjHcz5cyoa53THTdNeBiZfpeO2LEkehhvp8M74fh4/uY6fhBj82tHaWOOw0wOI jAtg6rKE8MmNt0SYcKNiawI3oVeF5tOAzXOOmxysVUkUn3Sux8EIZezEAh1tMaqNDn4S JCHz5MpaUUbU9btDtmwAAytfpG1hXMoxq7qRgbVgNffDQHsMxZ6P/cTRB9RFVvsxzcAu b7Cch36mJlNDyl2gv2fOkePwbPXEdEwM/bejUPqw8tpwyvt5n6Fgmw/7fcW+hQcBa+RZ JLYQ== X-Gm-Message-State: AOAM531YyvGopYaCdiJ771oFxR6Y8Te87q2+XWNXobBm7bk+hoVcJ1tj 7di84UFqf63C3Q1M89oR9ejAo6xJg6CrZQ== X-Received: by 2002:a17:906:36ce:b0:6d6:e540:ed65 with SMTP id b14-20020a17090636ce00b006d6e540ed65mr6845975ejc.330.1648142250722; Thu, 24 Mar 2022 10:17:30 -0700 (PDT) Received: from mail-ej1-f46.google.com (mail-ej1-f46.google.com. [209.85.218.46]) by smtp.gmail.com with ESMTPSA id b15-20020a50cccf000000b0040f74c6abedsm1642412edj.77.2022.03.24.10.17.29 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Mar 2022 10:17:30 -0700 (PDT) Received: by mail-ej1-f46.google.com with SMTP id p15so10521162ejc.7 for ; Thu, 24 Mar 2022 10:17:29 -0700 (PDT) X-Received: by 2002:a17:906:58d2:b0:6da:b635:fbf3 with SMTP id e18-20020a17090658d200b006dab635fbf3mr6658187ejs.40.1648142249489; Thu, 24 Mar 2022 10:17:29 -0700 (PDT) MIME-Version: 1.0 References: <20220324081718.41091-1-hbh25y@gmail.com> In-Reply-To: <20220324081718.41091-1-hbh25y@gmail.com> From: Ricardo Ribalda Date: Thu, 24 Mar 2022 18:17:18 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl_map To: Hangyu Hua Cc: laurent.pinchart@ideasonboard.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Isnt it a dupe of: https://patchwork.linuxtv.org/project/linux-media/patch/20211008120914.69175-1-ribalda@chromium.org/ ? 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; > -- > 2.25.1 > -- Ricardo Ribalda