Received: by 2002:a05:6a10:a852:0:0:0:0 with SMTP id d18csp2932944pxy; Mon, 3 May 2021 11:10:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxoebZQGxBy3L0bbbDpIwGLIteSa+YN23HrcHkme6RZ0SNF1t+wjPhbVKTPdgtMwxR3cTPm X-Received: by 2002:a63:a42:: with SMTP id z2mr19510996pgk.52.1620065434605; Mon, 03 May 2021 11:10:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620065434; cv=none; d=google.com; s=arc-20160816; b=Q1u8o1hUwhC0Nks6mUZepjXcOkAB0tfJfYKzmwIE6RFpKL7fmoDxP/bbpaCwFXQpGf 4WL4Cnmpm15V+NRELRGGwZu9Ttdgorg6FYMZfW66+FIBYjkpjRKx495iyly7DB8w4LRX GGINgc9iuTUl7FY2vnv93gdOOQbzFOk/siVgAVVT0De401x4tS9TQ1dSf7+e5DTtCpGM FW8lZyk8yHhAcVFR0ishCn7A5G5AMPT1lZJ29eeiZUCMezLzjLQSk9zK2upufDCVaCFC y3uSm/zntvDC7Mz4LVGF5EGV1zK83Jlis0iJ99r/I+9JMuL+RBEssp4dwQLfSFDfQCql wEMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=/OSoJTrkPCvBF61Ri6jCNBmFa+OIsdWp7ObCE9MVTTM=; b=dsC3djhXn0fIb/qXcB7YCX6Vcs2xB8me/XXP99g2G2GsG5TvMDscslVJsoycT03Uad h7/51GlezuaGHxpHcXoVUnrXBdtQbw0gUVba+ItuPFidvbBrMWvkarahJ1UijiIETmZb vdb/vWaMr3nd6LMfu3HqMBL6HAVDs8o2mVl9gsZtjRvbKiGl+jbxsqluAeK0i1zo7pNt QVGg+jLzm3HHPJEGP+a5tMUN3eYbX1C+F9EQ/BNtjUdHsd1u9obW6KtUbWwiodHRqRn1 ERqKVsa5JjhTO1sjTqI0i8WDsUgqUSKUMI3+LRp5rjpr6rHnfD642lQQJGJ/PkuY6bDr V6EQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=EEW4oazT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o17si416689plc.319.2021.05.03.11.10.21; Mon, 03 May 2021 11:10:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=EEW4oazT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229977AbhECO4e (ORCPT + 99 others); Mon, 3 May 2021 10:56:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:60172 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229767AbhECO4c (ORCPT ); Mon, 3 May 2021 10:56:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CCF53611CD; Mon, 3 May 2021 14:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620053739; bh=yYdFn9UpSYDW+ZIqHHl4T7RRAR7QT/dCboazRa48y5E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EEW4oazT3r6l/DHbrMliqYyYmsjLfOPaQ+nK/51/0aMr3hOeKK1/DoZk04yNpYcX1 eJphO5rjzLBgvHU4sGd907Ts1iLlh589GvYatCf08sGmcY0TV8G55Jf1F9pPmUDeuA oQc2vV1OC+yf8j50w6KzEd/iLZ/2EO3CpeGKhIkJ5pfzCOUXiF4k4co3bBjLzCznpw qM4KdBl3w6+5RekJ0zcxhfCxwdvWUQAvU35wjZJZRbftLkDLXKsCXuBxU+t5VbJYJP Zx2RoStBFoBL1Z421krxc5YRnJkeo2vup/2WY6hrnSBxAEJhRYho7/gBYU7ccIc6+c KMHfC5GKDRFpQ== Date: Mon, 3 May 2021 17:55:37 +0300 From: Jarkko Sakkinen To: Colin King Cc: James Bottomley , Mimi Zohar , David Howells , James Morris , "Serge E . Hallyn" , Nathan Chancellor , Nick Desaulniers , linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH] KEYS: trusted: Fix memory leak on object td Message-ID: References: <20210430113724.110746-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210430113724.110746-1-colin.king@canonical.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 30, 2021 at 12:37:24PM +0100, Colin King wrote: > From: Colin Ian King > > Two error return paths are neglecting to free allocated object td, > causing a memory leak. Fix this by returning via the error return > path that securely kfree's td. > > Fixes clang scan-build warning: > security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential > memory leak [unix.Malloc] > > Fixes: 5df16caada3f ("KEYS: trusted: Fix incorrect handling of tpm_get_random()") > Signed-off-by: Colin Ian King Thanks, applied. Reviewed-by: Jarkko Sakkinen /Jarkko