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=1794661692; b=WZTJ/XDHkTwiK654U+AIKOUmgKINJc1xhN5kGg6/pcxI3uY+XXgICyC98i17lU6/kJfL UB64L5rkVPU8HBoxO0chiccwDZwm39eL08w1gHarUFWPfEbPthuLJ+WFUXJd08REYEWNl fwWwYOuX1D3TuKQ/9jXNiJAHde4o++NKXZtoFS8WU2nZnZYpRRVk6q+NYSI8VTXup9V5R W9JNSGvKSsBp/vTC8752L6i5T2vslCQNACf4k0mpZuxKVO+MfVkWY6RbqvdnVgW29QJW5 7wfzlLeFzB/xxEv4FzUYhgohma5FEkS1d0jhe+c2h/5iSEhV7haSz4SF54SKtS37c+g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661692; 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=B+REGYiia6M8Fehy1eJYg2qJvRlaeD0xlyLGCXMkuNE=; b=YV547QyOLuk9ZzAscr53bZhwWiiyQ/XnfaFNyUBsLUDsjQ4JRmdrZpA2AGpp3nnjmlwB P2bvvAi0d4F3WWyLRxX8UXLOrA3O6wAWbytGZ7NDSvtOFgDV/IhNtmBmugoeWCHV9/mTZ dUfvV9trgmyCHxgZhpNaF2sGzuEu2+hMXoNx1nsNqZj2wKYqYnUjpI8eRFJ+jMYfthNXc kOda8Kp4lrAyRcSttdv6yfoSadfbYTFNDyLU6PfOr6/QKW+uVgz9zIlgJSVC+yDqn5ufp 8I/dYIgizzlsoxrQ8aZHZ1SPB16q4m9K0ugBjNOkvgPpcu4iRvXVPi9dhGxE1UHUr5A== 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=NT+C8ZSk; 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 722E9606A88C; Sat, 14 Nov 2026 13:08:12 +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=NT+C8ZSk Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEA771F000C6; Sat, 14 Nov 2026 13:08:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661692; bh=B+REGYiia6M8Fehy1eJYg2qJvRlaeD0xlyLGCXMkuNE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=NT+C8ZSk21Aekq5VpPMLkN5lXE041tWb53E/PFyXaS8JnOZjtpnhN/IJ5tqRBCBZC KbDWuq3IEQ7OtXMgE2LPkypVXS8WxlXMdHd2O7GYRa0mZLLaBUF9g7tJe1IuR9z/Tu tpgNbPJ7ubYsE+wigZ6X/juKus/SI/ItMQcN8NWKa2MZFuLxGtDjcGrhIpixMheCao YiLG/S/BH17O8QK6M3uLoFs/iFFdot437NsUY+7gBXIKoXeJXJDLpLDXP3MV3ZMPM5 FBITgDJULpAf7m6rj/Ojk/eIFB5uKGaQlYZTJdDB6wrEWsHVvT0rUR1LjVlBkf4syv 9ViLnD0DFgZ3w== From: Christian Brauner Date: Sat, 14 Nov 2026 14:02:03 +0100 Subject: [PATCH RFC v2 22/42] sunrpc: use fc_init_pseudo() for rpc_pipefs X-Mailing-List: selinux@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-v2-22-98639a2286fb@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)" , Alexander Mikhalitsyn X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=992; i=brauner@kernel.org; h=from:subject:message-id; bh=+3Y7mk0/f7poY8fBlt8WQG/1XBQtDGWNLTeokeIQsBw=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iKkv9T4fyqbzi23jmztf3H8nMwUrtfHJ3V29bbKqZ 4Be8ZHXHaUsDGJcDLJiiiwO7Sbhcst5KjYbZWrAzGFlAhnCwMUpABNpnc3wv871ae8ZnnvGH04d t2zw0Px9bvK8I1+KT3s+2d58956GViojw/+7R89LrYnhN/wbudL+frVNceDzmi1V3lf5GFd/y2I 14gcA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize rpc_pipefs as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. rpc_pipefs never holds executables or device nodes. Reviewed-by: Alexander Mikhalitsyn Signed-off-by: Christian Brauner (Amutable) --- net/sunrpc/rpc_pipe.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 9d349cfbc4831..37277a6d24156 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -1181,6 +1182,7 @@ static int rpc_init_fs_context(struct fs_context *fc) { put_user_ns(fc->user_ns); fc->user_ns = get_user_ns(fc->net_ns->user_ns); + fc_init_pseudo(fc); fc->ops = &rpc_fs_context_ops; return 0; } -- 2.53.0