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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C91C7C3A5A9 for ; Wed, 4 Sep 2019 15:59:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 983F022DBF for ; Wed, 4 Sep 2019 15:59:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567612753; bh=NCKSJd3yW93ThPjxg8k5p+Y2bbx7TMPopGxJbJ3B2/o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jkOghjcuXO/QJ1JU3YpSrmce3/2/EfwofWHhWJjRCGq9xDnA49x5AL3iq0EeLug4d lK6Otm1rdggd+kfAshj7BYIeQskwshg+cM3myM/p2pemt6Jv7ccIojPM+/sGqp0Qx0 Zt6awa1LC894fi3darLtuvIho7V1hekvzjjRziwg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732293AbfIDP7M (ORCPT ); Wed, 4 Sep 2019 11:59:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:33530 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732283AbfIDP7L (ORCPT ); Wed, 4 Sep 2019 11:59:11 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2110B2087E; Wed, 4 Sep 2019 15:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567612750; bh=NCKSJd3yW93ThPjxg8k5p+Y2bbx7TMPopGxJbJ3B2/o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qJZl8q2XjiPL+j4HYnSxzWt7j3AVZ1StvjmWQsQK8ilf4m1uu0xp8BW+79p7+Y3wT ILI+La3wSJqGti/1hW860iYlHcbrgnbfjdyqz7aBM2EXy2bNwhUBb/VJhIyJOnem9o cWZOgPYROaQWFfZFsDIGT7a928vpnXV7u2BlSeQg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , Steve French , Sasha Levin , linux-cifs@vger.kernel.org Subject: [PATCH AUTOSEL 5.2 60/94] cifs: Use kzfree() to zero out the password Date: Wed, 4 Sep 2019 11:57:05 -0400 Message-Id: <20190904155739.2816-60-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190904155739.2816-1-sashal@kernel.org> References: <20190904155739.2816-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org From: Dan Carpenter [ Upstream commit 478228e57f81f6cb60798d54fc02a74ea7dd267e ] It's safer to zero out the password so that it can never be disclosed. Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser") Signed-off-by: Dan Carpenter Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/cifs/connect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 2beaa14519f5d..85b2107e8a3d7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3081,7 +3081,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) rc = -ENOMEM; kfree(vol->username); vol->username = NULL; - kfree(vol->password); + kzfree(vol->password); vol->password = NULL; goto out_key_put; } -- 2.20.1