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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 4835AC433EB for ; Mon, 20 Jul 2020 15:42:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C5692176B for ; Mon, 20 Jul 2020 15:42:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595259764; bh=wmm6NsdC1485i7PvcGDRmo3nlp7PhRzh9M8B+nfFdL4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=swSckCjMDKnwIYMjYoy0/2MBdDH9/C7lB32Ky8G7U1L+7sod7uWjgW0l1+AyCNTt2 TW/8oeRAzHuE6JJ6AynPi2ekFRK1HqsnGcp5wHNB6opo4fREsVzhKVThaKULOKm9EF RiwIo6qk536ZTV+rgqJmQRCWI1hcZ79rd0bkOOHc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730120AbgGTPmn (ORCPT ); Mon, 20 Jul 2020 11:42:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:35710 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730109AbgGTPmj (ORCPT ); Mon, 20 Jul 2020 11:42:39 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5A2262065E; Mon, 20 Jul 2020 15:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595259759; bh=wmm6NsdC1485i7PvcGDRmo3nlp7PhRzh9M8B+nfFdL4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A4KtjeK86drSEUNR8gHwxKYSPtEkec/6XKidhsqphhPLYiMhYapK1gs3qhtzeXlhP p3SFOtVyjOfjChvmCUHBx712KLoa1LX8FDQHPOxiiyfyh6VL+qrx0laKV5ZDfPElsx isnudHnoJkI6wdQ9d6wcmvmG7GT3oAjDidweReco= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guenter Roeck , "David S. Miller" Subject: [PATCH 4.9 39/86] cgroup: Fix sock_cgroup_data on big-endian. Date: Mon, 20 Jul 2020 17:36:35 +0200 Message-Id: <20200720152755.134952698@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720152753.138974850@linuxfoundation.org> References: <20200720152753.138974850@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Cong Wang [ Upstream commit 14b032b8f8fce03a546dcf365454bec8c4a58d7d ] In order for no_refcnt and is_data to be the lowest order two bits in the 'val' we have to pad out the bitfield of the u8. Fixes: ad0f75e5f57c ("cgroup: fix cgroup_sk_alloc() for sk_clone_lock()") Reported-by: Guenter Roeck Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 2 ++ 1 file changed, 2 insertions(+) --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -589,6 +589,7 @@ struct sock_cgroup_data { struct { u8 is_data : 1; u8 no_refcnt : 1; + u8 unused : 6; u8 padding; u16 prioidx; u32 classid; @@ -598,6 +599,7 @@ struct sock_cgroup_data { u32 classid; u16 prioidx; u8 padding; + u8 unused : 6; u8 no_refcnt : 1; u8 is_data : 1; } __packed;