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 C7EE7C433F5 for ; Fri, 17 Dec 2021 01:01:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231483AbhLQBBW (ORCPT ); Thu, 16 Dec 2021 20:01:22 -0500 Received: from szxga03-in.huawei.com ([45.249.212.189]:30136 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229899AbhLQBBV (ORCPT ); Thu, 16 Dec 2021 20:01:21 -0500 Received: from dggpeml500023.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4JFVx50bhMz8vxL; Fri, 17 Dec 2021 08:59:05 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.58) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 17 Dec 2021 09:01:19 +0800 From: Xiu Jianfeng To: , , , CC: , , Subject: [PATCH -next, v3 1/2] audit: use struct_size() helper in audit_[send|make]_reply() Date: Fri, 17 Dec 2021 09:01:51 +0800 Message-ID: <20211217010152.61796-1-xiujianfeng@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.174.58] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500023.china.huawei.com (7.185.36.114) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make use of struct_size() helper instead of an open-coded calculation. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Xiu Jianfeng --- kernel/audit.c | 2 +- kernel/auditfilter.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/audit.c b/kernel/audit.c index f33028578c60..7778eca34837 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1459,7 +1459,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) security_release_secctx(ctx, len); } audit_send_reply(skb, seq, AUDIT_SIGNAL_INFO, 0, 0, - sig_data, sizeof(*sig_data) + len); + sig_data, struct_size(sig_data, ctx, len)); kfree(sig_data); break; case AUDIT_TTY_GET: { diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 19352820b274..42d99896e7a6 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1092,7 +1092,7 @@ static void audit_list_rules(int seq, struct sk_buff_head *q) break; skb = audit_make_reply(seq, AUDIT_LIST_RULES, 0, 1, data, - sizeof(*data) + data->buflen); + struct_size(data, buf, data->buflen)); if (skb) skb_queue_tail(q, skb); kfree(data); -- 2.17.1 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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87FBBC433F5 for ; Fri, 17 Dec 2021 01:47:27 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-299-zBvcCooeOuKrgt4RlKAxpA-1; Thu, 16 Dec 2021 20:47:25 -0500 X-MC-Unique: zBvcCooeOuKrgt4RlKAxpA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B2EB9801AAB; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Make use of struct_size() helper instead of an open-coded calculation. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Xiu Jianfeng --- kernel/audit.c | 2 +- kernel/auditfilter.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/audit.c b/kernel/audit.c index f33028578c60..7778eca34837 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1459,7 +1459,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) security_release_secctx(ctx, len); } audit_send_reply(skb, seq, AUDIT_SIGNAL_INFO, 0, 0, - sig_data, sizeof(*sig_data) + len); + sig_data, struct_size(sig_data, ctx, len)); kfree(sig_data); break; case AUDIT_TTY_GET: { diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 19352820b274..42d99896e7a6 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1092,7 +1092,7 @@ static void audit_list_rules(int seq, struct sk_buff_head *q) break; skb = audit_make_reply(seq, AUDIT_LIST_RULES, 0, 1, data, - sizeof(*data) + data->buflen); + struct_size(data, buf, data->buflen)); if (skb) skb_queue_tail(q, skb); kfree(data); -- 2.17.1 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit