From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794661671; b=Yh+dz2TgJ6P0v7x2BxolQVm72bjDdiyeVY66cRzuh1UQ2yFlnoADWwXo1VWgT3sYqRg4 I0iK5BhxTs9GUr27hqNr9waXjr8DRTeHHVW4adPSky1lZVW/ST24zYeZhp0RX/j0mx7od 8Lb16etCJIDlObVUQGCn8rBF5ldBILNsPv8RE7o5YxjC8OYymgsIghNu8ardi0P7QbIDA ZhsTgzJ+t10Vsy9anDZ8NPm5JZ3M1T3faZQGb/5o7DMLajs8mKxRguEcBC2Ydwj+WVyjr J3Gfsvj6ECSXRIrIxfj8DA3ipuE1C//0qgV/i279RbRm/5DW67GDQ+KCYcPJWiD+dTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661671; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version:Content-Type: Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc: X-Mailer:X-Developer-Signature:X-Developer-Key; bh=HLEBqcSKp1qX1T09y3XaYhOvlZUW+haNA06sn1fKMTM=; b=gXf49JydC+XGXU2B/NRRO1ktxeW9ZqtptpIIvsSI038VvORNwMnSmDY9AAmgyWiwlUYt 1eCoS8mZ4XUEzkgch2vDZlbxwxLploCo9O7+3Cct3jKXYV0UnYyHT4Si7htKbXDqGkHjr TKpHJJrD/pCBJG33nM3Yuj5E1iYfyLbK5O3FsRUl5W9RdrI92FpnBaunK7IPaFSrBMVHS WRAhCXc2PNqdvJtPxTlx7Z6iawV9SjqSLuz3pmY7fLNuL+uxWb5aAODWD9kR55WHdZ1yn VfVc+FQErapE9nxAeF9QLIYklZTvh7YBKI25S+sI7i3E7PP6QSKIkc9Iabe/aF4x/Cg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Ji+nEVur; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28F00606B0CE; Sat, 14 Nov 2026 13:07:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Ji+nEVur Received: by smtp.kernel.org (Postfix) with ESMTPSA id 377B01F000CA; Sat, 14 Nov 2026 13:07:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661671; bh=HLEBqcSKp1qX1T09y3XaYhOvlZUW+haNA06sn1fKMTM=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=Ji+nEVurWmAWGlYK/nkfcItaW59n2bZXGZcxHBK4OdfGaK8u3mxnvdkxxHgDIydSr p/UqYko0xoSz4+2DnS47tPHRl2jWXh7tXIePEIQLB3C3jGbWQ9Au7YS1vvY5l7fUr5 ph8m8OZcq0Am7xu1jp3h10AkrRPVtHIVmgjmJ4PmRoVOvpEKw36sGP9bQXZx0UwMKH HxikLBXNjHLBDBGgc6E13ZKeQwUfqBkSNN+kiTaJ4yJMSSYs09p0VgPuGTW3tcdwiR GA0Rcmh4JRimAm3px4/WK7WlefYTOW4KsqGKwhhMFZ1acn+6sH08twTlVYAZESB1es 3OH10sFCA79yg== From: Christian Brauner Date: Sat, 14 Nov 2026 14:02:00 +0100 Subject: [PATCH RFC v2 19/42] smack: use fc_init_pseudo() for smackfs X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261114-work-loop-pseudo-v2-19-98639a2286fb@kernel.org> References: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> In-Reply-To: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> To: 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, "Christian Brauner (Amutable)" , Casey Schaufler , Alexander Mikhalitsyn X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1015; i=brauner@kernel.org; h=from:subject:message-id; bh=mE4jYSsHEwuAZf3nmG7Zw4WEpYRZ8AUzYrhlfcWNpTk=; b=kA0DAAoWkcYbwGV43KIByyZiAGr4XHvIqDUMQ3Y3FWiJAOR/6/2bqf9F3aGnkKR/Ws7txmnIJ oh1BAAWCgAdFiEEQIc0Vx6nDHizMmkokcYbwGV43KIFAmr4XHsACgkQkcYbwGV43KJGMAD9GRGB jgYj+fXNJRfyU9Ary0JbYVPSrhncPXZR9kWxX5sBAJyDlhh8buWDux0CUa6zjYdeue58XdJanKh tYMsz8+gL X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize smackfs as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. smackfs never holds executables or device nodes. Acked-by: Casey Schaufler Reviewed-by: Alexander Mikhalitsyn Signed-off-by: Christian Brauner (Amutable) --- security/smack/smackfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index a72bc7fabea99..4a56bbeaeca37 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -25,6 +25,7 @@ #include #include #include +#include #include "smack.h" #define BEBITS (sizeof(__be32) * 8) @@ -2880,6 +2881,7 @@ static const struct fs_context_operations smk_context_ops = { */ static int smk_init_fs_context(struct fs_context *fc) { + fc_init_pseudo(fc); fc->ops = &smk_context_ops; return 0; } -- 2.53.0