From patchwork Mon Feb 24 16:02:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= X-Patchwork-Id: 11400875 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8C62917E0 for ; Mon, 24 Feb 2020 16:10:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 761D120836 for ; Mon, 24 Feb 2020 16:10:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727950AbgBXQKe (ORCPT ); Mon, 24 Feb 2020 11:10:34 -0500 Received: from smtp-sh.infomaniak.ch ([128.65.195.4]:51414 "EHLO smtp-sh.infomaniak.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727090AbgBXQKe (ORCPT ); Mon, 24 Feb 2020 11:10:34 -0500 X-Greylist: delayed 454 seconds by postgrey-1.27 at vger.kernel.org; Mon, 24 Feb 2020 11:10:31 EST Received: from smtp-2-0001.mail.infomaniak.ch ([10.5.36.108]) by smtp-sh.infomaniak.ch (8.14.5/8.14.5) with ESMTP id 01OG2W1I021867 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 24 Feb 2020 17:02:32 +0100 Received: from localhost (unknown [94.23.54.103]) by smtp-2-0001.mail.infomaniak.ch (Postfix) with ESMTPA id 48R6K41b7Bzln9J9; Mon, 24 Feb 2020 17:02:32 +0100 (CET) From: =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= To: linux-kernel@vger.kernel.org Cc: =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= , Al Viro , Andy Lutomirski , Arnd Bergmann , Casey Schaufler , Greg Kroah-Hartman , James Morris , Jann Horn , Jonathan Corbet , Kees Cook , Michael Kerrisk , =?utf-8?q?Micka=C3=ABl_Sala=C3=BC?= =?utf-8?q?n?= , "Serge E . Hallyn" , Shuah Khan , Vincent Dagonneau , kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-security-module@vger.kernel.org, x86@kernel.org Subject: [RFC PATCH v14 07/10] arch: Wire up landlock() syscall Date: Mon, 24 Feb 2020 17:02:12 +0100 Message-Id: <20200224160215.4136-8-mic@digikod.net> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200224160215.4136-1-mic@digikod.net> References: <20200224160215.4136-1-mic@digikod.net> MIME-Version: 1.0 X-Antivirus: Dr.Web (R) for Unix mail servers drweb plugin ver.6.0.2.8 X-Antivirus-Code: 0x100000 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Wire up the landlock() call for x86_64 (for now). Signed-off-by: Mickaël Salaün Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: James Morris Cc: Kees Cook Cc: Serge E. Hallyn --- Changes since v13: * New implementation. --- arch/x86/entry/syscalls/syscall_64.tbl | 1 + include/uapi/asm-generic/unistd.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 44d510bc9b78..3e759505c8bf 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -359,6 +359,7 @@ 435 common clone3 __x64_sys_clone3/ptregs 437 common openat2 __x64_sys_openat2 438 common pidfd_getfd __x64_sys_pidfd_getfd +439 common landlock __x64_sys_landlock # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 3a3201e4618e..31d5814ddb13 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -855,9 +855,11 @@ __SYSCALL(__NR_clone3, sys_clone3) __SYSCALL(__NR_openat2, sys_openat2) #define __NR_pidfd_getfd 438 __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd) +#define __NR_landlock 439 +__SYSCALL(__NR_landlock, sys_landlock) #undef __NR_syscalls -#define __NR_syscalls 439 +#define __NR_syscalls 440 /* * 32 bit systems traditionally used different