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Tue, 10 Nov 2026 09:18:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794302294; bh=pmz9jtGW0ywIGdBu3NtUNt6417QseUuUlLq+Fyk/468=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=GU5e1n38Lz1+Pvtlp7ASXPOHCHk1tuIpx5t08Oh+PNxIh+4HMt2Bb5r94Whq3GWlo vECtZ0duG5TPPJDG1ybdWsZsjAOMuPW/Hb9SEcHwoBF8ATO9BDk3/jhbKvQrg3nc5L 1FQsP8KdRKjEyM/BeO40ervx/1NH/WjEJwBb2dvNJPa1GvI7Agf8ZAOGTuuFGlrw7z D4QQjfoUytG04RFCySWSZrW4de4972Y7Kl9IuLxvGElxSqCx/Kci+Zh1lbu+K45JKy ntgiJAxTVhCEzFNboe8IF1iAKS/5NRv9CmLgmQlqgdr6yjLdjFnSiOaCzyVTXMbBQg iNtELDfUm8+4g== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:36 +0100 Subject: [PATCH RFC 20/41] apparmor: use fc_init_pseudo() for apparmorfs X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261110-work-loop-pseudo-v1-20-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> In-Reply-To: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@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)" X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=975; i=brauner@kernel.org; h=from:subject:message-id; bh=eM74gHkw1JzhCTiSqpoG3xHbWPNk16urIeNgeqxQRac=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR9erD6usJ7lpTrW3d7tqQWr39pN+HRX+O0+aeqRP44P Ht3WOOFS0cpC4MYF4OsmCKLQ7tJuNxynorNRpkaMHNYmUCGMHBxCsBFvBkZDujeP1XSFJdyYUFQ s2Z8R5AFc4DNtoZ3s+yre146fp5mxMjQc+SfqFrmzJ/TQj/NlTx9oGXNEve39ZbnKwSC7mx/vmg eJwA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Initialize apparmorfs as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. apparmorfs never holds executables or device nodes. Signed-off-by: Christian Brauner (Amutable) --- security/apparmor/apparmorfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index a99366467217..351ea3a7120e 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -263,6 +264,7 @@ static const struct fs_context_operations apparmorfs_context_ops = { static int apparmorfs_init_fs_context(struct fs_context *fc) { + fc_init_pseudo(fc); fc->ops = &apparmorfs_context_ops; return 0; } -- 2.53.0