From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2E858606A31C for ; Fri, 13 Nov 2026 10:11:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amutable-com.20260707.gappssmtp.com header.i=@amutable-com.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=Q4dh0ZJp Received: by kanga.kvack.org (Postfix) id 267C86B0684; Fri, 13 Nov 2026 05:11:00 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 23F386B0686; Fri, 13 Nov 2026 05:11:00 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 155C46B0687; Fri, 13 Nov 2026 05:11:00 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id E30516B0684 for ; Fri, 13 Nov 2026 05:10:59 -0500 (EST) Received: from smtpin11.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 75680140169 for ; Fri, 13 Nov 2026 10:10:59 +0000 (UTC) X-FDA: 85429677438.11.40CB002 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) by imf11.hostedemail.com (Postfix) with ESMTP id 9381940005 for ; Fri, 13 Nov 2026 10:10:57 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=amutable-com.20260707.gappssmtp.com header.s=20260707 header.b=Q4dh0ZJp; dmarc=none; spf=pass (imf11.hostedemail.com: domain of alex@amutable.com designates 209.85.221.52 as permitted sender) smtp.mailfrom=alex@amutable.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1794564657; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=RUn5HyOzv5zK74OCIfLVACQcizuS/sHn5qpIQd0Zvv8=; b=bJIqQz+u1GYRwyAyS/f7WFjZd51XgJ9pEpiBIh3xskOVL7CeeND2pw6+QqDGyuyQOZp6gz wXdhtPSEAZsMQe6U7k/F81u68+Cg/hgAHoddRc3CEZGkh0qUZntbO1eI56pZYdDfIWj+5p 86hch/ZDxSHk7pbQ31NXe7bFdJEZZcs= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1794564657; b=iKomKbjJeVtchqTcxnE72x1msRQ9gjWBQ26ZWYaWW3J/qIa9aVMhjQXFs1kHojQBA6lY1L Tx5KWAvhzeej9VLz4QQJGYzlHAazb7So0PQdP43SPA+CG57qpP3gAvTCZF1adYhkYui8Xh E+WPWkJaa+6m10ZMyxku7ouYYm3S6NU= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=amutable-com.20260707.gappssmtp.com header.s=20260707 header.b=Q4dh0ZJp; dmarc=none; spf=pass (imf11.hostedemail.com: domain of alex@amutable.com designates 209.85.221.52 as permitted sender) smtp.mailfrom=alex@amutable.com Received: by mail-wr1-f52.google.com with SMTP id ffacd0b85a97d-490d59c3edaso395271f8f.1 for ; Fri, 13 Nov 2026 02:10:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amutable-com.20260707.gappssmtp.com; s=20260707; t=1794564655; x=1795169455; darn=kvack.org; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:from:to :cc:subject:date:message-id:reply-to:content-type; bh=RUn5HyOzv5zK74OCIfLVACQcizuS/sHn5qpIQd0Zvv8=; b=Q4dh0ZJp2Txj/C3hYg+IzKbpbXR6mYg5Dxj21YXUkacoeLJQZiEnlPU2FnAv5yvutI XeABJfsacZoOiOlojwzxwMs03ExGFGmC1zzWFaCZLo0ijbZ1czqeA+3qoShuXT00n5et u7YWR0bf/XC4o+og3sPrYgvtm+ognMwNXaG0M4bF4OxjhT6K6vX4ejrDT2vilgYOf8EP hBp+PV1ayoyPPOFuw2bG+3P6238a6m/Dk9gTa7gliL+agZUVaD3DUHYckmPcW4ctbegg lgra9IY1vNpuZgCdCw3iVq9JrRH4iKZ6Hf9a6ExBFGLFVhTl9ypChZsGoagfkwzSQaVs zCsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794564655; x=1795169455; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=RUn5HyOzv5zK74OCIfLVACQcizuS/sHn5qpIQd0Zvv8=; b=10TUJv8jineEVLxM3LV2VkOTBtYggojSUISpfUTqvWiMXsLauG9XYshFbSx2YhA69P Mw94ACghHVhXzrHboamyzMupbVB6nQ6RbWIEo8pqHuW9biD5T8IkwoQBfihgJ3PtSzgn FV0AbCDtZUraA0cqfvC3535V8ruBIKllHyG5f5sLwr3zDdhwav73eOdq+FyJZMHmDw3l 6CdDxRI3So6zy7wK+qXbDbc403WDsu5cRK0C0TR1/GcwW3+gA5OaHjwaTUid5JXtNRcH 3KI+wFbMz6ydnX0DfGpCqNBfmgUJZzhf9LVR8UR08BsPe3yipRzva7N4cPsoze0Hc53+ d1hg== X-Forwarded-Encrypted: i=1; AL+hErGX0ArnCqX5rHo1vkCLxui3TKmKYFvGDTbM5hgENUNzr6Cs4CFuO+7noays0BuCD6/GtvNGwJXm2g==@kvack.org X-Gm-Message-State: APuU4Z/JQEil+Vl8b9ARys9Xmxm6lKUCFQ0GMmCmcnXQ0e9xhTqx1xf6 WUftyg88aESoakLXvIiSEtY1Vq3YDPJ2UuDkgls0QdjjkSm0d9eAfJwt5GmkYkz8QQlz X-Gm-Gg: AYBFou26gEWpdzntWbrvMvrBX9fbPzuWYmGsHMHx0h/fuVrKv5s/EIpWhqKYSweEKtC mM1S9NS1TqRwUacIjyVhxS/2Pp0187oa4TjeysENfKa1WAsXzb2EAuA0Da4qSzJqiJ7Ew7T/qKW wtKY3aHsaac6/JQ+eRYb/JexunrB3BsALVQfDyPkGPak/dYvZVfW+IXvnrBBQ1wWO29CYv33wqP 6SY9cj0SHzgkL5jGChKKCjBiBT8J6DvYGyidLSwCcLnvoxyWCtmOp24mJjqEpQVs6Xay/GQHTQd mdcEoeAklOGrRPKMukHQjC0LbIrlyem8gkGmM/5UWJ9lOkBrBYNrPOtCWt4kYTQ6TrNKy8pFMd4 +u9dCiQqJPk4BQk/U0/XU4fLZYCN1C4fWMtHopHRxnHAQ7Ns2ASlEagcB5MG/XNrTvkJAIvrASR 0ZF99MTA2VbYdhOv1OdfmfFJOtoUdPTZFlDNl0JsulOxkMSyzXvhO0k39x39ixOUN1GfNBsLga7 AZhZc23XHf6ie1wHoDSIMBqc3CE/rMv0bjgInxB5UtzG62KwBdMj+d8VJij2lkgcrA4qZmZM9zT Rf1FYQG5hkGFFw7Ra2me5U7lEOgb+IJcbjilo8qlEEQLgOY1ARNO0Mo5Ow3e0zE= X-Received: by 2002:a05:6000:470e:b0:499:ffd4:f519 with SMTP id ffacd0b85a97d-49b02d4c2cfmr11662822f8f.23.1794564655454; Fri, 13 Nov 2026 02:10:55 -0800 (PST) Received: from [10.0.0.233] (tmo-086-54.customers.d1-online.com. [80.187.86.54]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-49c5a32d336sm4988050f8f.0.2026.11.13.02.10.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 02:10:55 -0800 (PST) Message-ID: <0894c601b3f3c5b92008c6c399faaa539b658307.camel@amutable.com> Subject: Re: [PATCH RFC 17/41] securityfs: use fc_init_pseudo() From: Alexander Mikhalitsyn To: Christian Brauner , linux-fsdevel@vger.kernel.org Cc: Jann Horn , Chris Mason , Josef Bacik , Christoph Hellwig , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Alexander Viro , Jan Kara , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, driver-core@lists.linux.dev, linux-mm@kvack.org, bpf@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, apparmor@lists.ubuntu.com, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, fuse-devel@lists.linux.dev, linux-efi@vger.kernel.org, xen-devel@lists.xenproject.org, ocfs2-devel@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-usb@vger.kernel.org, Amir Goldstein , linux-erofs@lists.ozlabs.org, linux-kselftest@vger.kernel.org Date: Fri, 13 Nov 2026 11:10:52 +0100 In-Reply-To: <20261110-work-loop-pseudo-v1-17-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> <20261110-work-loop-pseudo-v1-17-4c998976c6c7@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-0+deb13u1 X-Archived-By: MIME-Version: 1.0 X-Stat-Signature: o69ae9c49t3q93dz1htjga88itub79ap X-Rspam-User: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 9381940005 X-HE-Tag: 1794564657-738092 X-HE-Meta: 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 PobGJpWF dmNNFHZecwLmnDHgkRn8mIfZr0PIGJDtnvCAVEYsJm+YutqUD1nx9D9/vi9AtXZ/KyubRo9XGEPlXVUGfNB3RAyYreSvKeQAXj6pRWwzOSGB2Ic9K12+ObOZO7twWJX34X/yqkHx9k9WRFI4A5DWpgPghoi207rhynGsHBw1J+4IT6y/jobnQBVF0qviJbsT6bFuEAoNfLFrLpgrkaxfJvA4uMvXNCJ7b+ruX3JqOvKdzfYpoI4s4NKQLnRpqSYD9g/uY6Ay253wOoDUvCAklu4lts8DtTVQjEqmgcKRuBBqJEWK0rn3ZcnRh1XAUQkQFKH7uWjEIMre2XTCBIIRDela1ONP7mKsu2r9j4zOUNGrq3xs3q3AHa1kX+FRD0tBUcwSuLx0zqMuqc0SiC4DxmlQz+FgEk+rGFKiPbMQUYTNN6TmY6+6Ev1EmgrVB/kAV8B6BWv8mPEFsu+Zv4wU7M9kguPi3AjnBWxIun/l9FqrqqPfk3aK8YXX3Kw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Tue, 2026-11-10 at 10:14 +0100, Christian Brauner wrote: > Initialize securityfs as a pseudo filesystem. This raises SB_I_PSEUDO > and > also SB_I_NOEXEC and SB_I_NODEV. securityfs never holds executables > or > device nodes. >=20 > AppArmor puts a .null device node into securityfs but only ever opens > it via dentry_open() which doesn't care about SB_I_NODEV. >=20 > Signed-off-by: Christian Brauner (Amutable) Reviewed-by: Alexander Mikhalitsyn > --- > =C2=A0security/inode.c | 2 ++ > =C2=A01 file changed, 2 insertions(+) >=20 > diff --git a/security/inode.c b/security/inode.c > index 080402367674..93997a9f16fc 100644 > --- a/security/inode.c > +++ b/security/inode.c > @@ -14,6 +14,7 @@ > =C2=A0#include > =C2=A0#include > =C2=A0#include > +#include > =C2=A0#include > =C2=A0#include > =C2=A0#include > @@ -64,6 +65,7 @@ static const struct fs_context_operations > securityfs_context_ops =3D { > =C2=A0 > =C2=A0static int securityfs_init_fs_context(struct fs_context *fc) > =C2=A0{ > + fc_init_pseudo(fc); > =C2=A0 fc->ops =3D &securityfs_context_ops; > =C2=A0 return 0; > =C2=A0}