From nobody Tue Feb 10 07:02:19 2026 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 E4A27C77B6E for ; Thu, 13 Apr 2023 11:48:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231349AbjDMLs3 (ORCPT ); Thu, 13 Apr 2023 07:48:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231204AbjDMLsG (ORCPT ); Thu, 13 Apr 2023 07:48:06 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C82C7AF37; Thu, 13 Apr 2023 04:47:40 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E2377153B; Thu, 13 Apr 2023 04:48:05 -0700 (PDT) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.65]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 721B33F73F; Thu, 13 Apr 2023 04:47:20 -0700 (PDT) From: Kevin Brodsky To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Christoph Hellwig , Eric Dumazet , "David S. Miller" , Jakub Kicinski Subject: [PATCH v2 3/3] net/ipv6: Initialise msg_control_is_user Date: Thu, 13 Apr 2023 12:47:05 +0100 Message-Id: <20230413114705.157046-4-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230413114705.157046-1-kevin.brodsky@arm.com> References: <20230413114705.157046-1-kevin.brodsky@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" do_ipv6_setsockopt() makes use of struct msghdr::msg_control in the IPV6_2292PKTOPTIONS case. Make sure to initialise msg_control_is_user accordingly. Cc: Christoph Hellwig Cc: Eric Dumazet Cc: "David S. Miller" Cc: Jakub Kicinski Signed-off-by: Kevin Brodsky Reviewed-by: Christoph Hellwig --- net/ipv6/ipv6_sockglue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 2917dd8d198c..ae818ff46224 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -716,6 +716,7 @@ int do_ipv6_setsockopt(struct sock *sk, int level, int = optname, goto done; =20 msg.msg_controllen =3D optlen; + msg.msg_control_is_user =3D false; msg.msg_control =3D (void *)(opt+1); ipc6.opt =3D opt; =20 --=20 2.38.1