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[23.128.96.18]) by mx.google.com with ESMTP id g20si618295edy.529.2021.02.05.15.41.48; Fri, 05 Feb 2021 15:42:12 -0800 (PST) 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=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=FMNnzyNh; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231207AbhBEXkx (ORCPT + 99 others); Fri, 5 Feb 2021 18:40:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232541AbhBEOUK (ORCPT ); Fri, 5 Feb 2021 09:20:10 -0500 Received: from mail-vs1-xe35.google.com (mail-vs1-xe35.google.com [IPv6:2607:f8b0:4864:20::e35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 249BBC061D73 for ; Fri, 5 Feb 2021 07:56:47 -0800 (PST) Received: by mail-vs1-xe35.google.com with SMTP id i12so3827575vsq.6 for ; Fri, 05 Feb 2021 07:56:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=JwvNzK6nDq5Er9R9/mIvhs7c3RrwWuEVZBZei4KWYqY=; b=FMNnzyNhGvGrRmFsvBh607EIWOmz7XwcD84qO4dbG0OfIZQ0Ly+R721iqPk5P8MV86 5bW3X9IDgkObEdvoef79Va2EZHc1DurM//VSGsQ+T7xfQX+MFVNr23ufVGXse+lWb45b CjihLHzKNQJElOM/0y5B6qcBDRhSH7swANtjs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=JwvNzK6nDq5Er9R9/mIvhs7c3RrwWuEVZBZei4KWYqY=; b=fjw7O37YBBYQRGfdnzgn3g/je5odV6LyFqqSuduPUuGgLcp8PekyhKaPkXRgJDP+yO Ira9PB6aGFJrUfJso3Fydr+r7pWjsZJzWatniRbc5Q0mqbC+e8X5VeC/XVpV0aS5KmdQ 8VCZM8nV7CeSLJU5kAy3MNlGj4S92RxM925Gz8w3eYARtk4bLZnlxRmahsK+wiW1v1jX GQPbgLjY9ByZQf0YglTzjLcLEcld8LKaQuUEaEnXFR4e39fsS8HsAhX888n4c+37ILG3 XjjkCbuDTYNtoD49BbNwDfo3zgoKHTkjUTc+2XGin6OQVKJiHNfLIhdZLdAT6+rGDIUW meVg== X-Gm-Message-State: AOAM533q08ScdfPn+mUpONctSSiQ8tiYkaUYVAxQJZ1+j/nuPsjiTbbA 6WSd4uW41zUWpQTV7wrpsHDCrC62fxcaqC9KyLBR1b3te6k= X-Received: by 2002:a67:a404:: with SMTP id n4mr3263723vse.0.1612538770907; Fri, 05 Feb 2021 07:26:10 -0800 (PST) MIME-Version: 1.0 References: <20210203124112.1182614-1-mszeredi@redhat.com> <20210203124112.1182614-4-mszeredi@redhat.com> <20210204234211.GB52056@redhat.com> In-Reply-To: <20210204234211.GB52056@redhat.com> From: Miklos Szeredi Date: Fri, 5 Feb 2021 16:25:59 +0100 Message-ID: Subject: Re: [PATCH 03/18] ovl: stack miscattr To: Vivek Goyal Cc: Miklos Szeredi , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 5, 2021 at 12:49 AM Vivek Goyal wrote: > > +int ovl_miscattr_set(struct dentry *dentry, struct miscattr *ma) > > +{ > > + struct inode *inode = d_inode(dentry); > > + struct dentry *upperdentry; > > + const struct cred *old_cred; > > + int err; > > + > > + err = ovl_want_write(dentry); > > + if (err) > > + goto out; > > + > > + err = ovl_copy_up(dentry); > > + if (!err) { > > + upperdentry = ovl_dentry_upper(dentry); > > + > > + old_cred = ovl_override_creds(inode->i_sb); > > + /* err = security_file_ioctl(real.file, cmd, arg); */ > > Is this an comment intended? I don't remember, but I guess not. Will fix and test. Thanks, Miklos