From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A891CEB64DD for ; Fri, 30 Jun 2023 05:33:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0EAE58D0002; Fri, 30 Jun 2023 01:33:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 073158D0001; Fri, 30 Jun 2023 01:33:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E2EF68D0002; Fri, 30 Jun 2023 01:33:23 -0400 (EDT) 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 D079B8D0001 for ; Fri, 30 Jun 2023 01:33:23 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 80ED48010B for ; Fri, 30 Jun 2023 05:33:23 +0000 (UTC) X-FDA: 80958296286.17.D81AFC5 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf20.hostedemail.com (Postfix) with ESMTP id CAEF51C000E for ; Fri, 30 Jun 2023 05:33:20 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="QZ0my/jG"; spf=pass (imf20.hostedemail.com: domain of lkp@intel.com designates 134.134.136.65 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1688103201; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=OkBt7WnY6il8KqNbl7s+Y7zwVrk4W161vFyX47a9S0Y=; b=eQ8IIwRz7q8abi4o5FHmnBST8hhZb4Bh7KwH0shHiEJINbU+ACO7yuL/Vmmrbyv9Jtkjru 1OiiZQV/eN0RTmVOSxnz1H2V1HXY7dCBJEn7286012KqLrsrvaBSmT8I1ienKI7rGwcIyP Gvmewp+rSC5MmOmA+OkKzvpqb0THBOA= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="QZ0my/jG"; spf=pass (imf20.hostedemail.com: domain of lkp@intel.com designates 134.134.136.65 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1688103201; a=rsa-sha256; cv=none; b=0mHGfWNatFMQXUSLtp+AnRc+8+3ByWOpUss40vGmlw/zp5GYhZGVPZqfQehzLadrZQqHI8 kRXZRsaJK6RpgXkKq3pe7EjGc0yERChiEIn9xgn4IGp3LYhfQUderiKOvcHUiHWiggLXWz psg+7bIHP0Jghyb1Oj4dZMvMeBwKDhc= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688103200; x=1719639200; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dsdYNUX+gcDM37G8FPUcCZXTwbW6arF/jZi6JvzXNfw=; b=QZ0my/jGBMyAM3xJwnCyBXin048HOu330AMzszhYa/2pBCzoVmpHYJCv Hs9v2M3kBiwTww35UY4s1uaWeOxJznbV2xI6JG5pwBX9XDayu5fChT1zy 3g5SKejGnMJg9CddaIPJMIsEuSdGSEnWUD0iw1862kgcM8tEBLevugOYV thrf5siR0sN0N42PPQN1rg1U3kphqZKJRBFIR65aw7A/UTN3CQW9SvzzM zAkvml59w68+mRP2g1Mn8W0Jd/s5lNMw+hg10t4z0KN8ElV0Meno9xfkZ y5XKkXp40xYQcxJNl4UFIAxv+Tegd0y3DEZarA1q2TEISdWRI0m8JfPzK w==; X-IronPort-AV: E=McAfee;i="6600,9927,10756"; a="365802566" X-IronPort-AV: E=Sophos;i="6.01,169,1684825200"; d="scan'208";a="365802566" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2023 22:33:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10756"; a="807633037" X-IronPort-AV: E=Sophos;i="6.01,169,1684825200"; d="scan'208";a="807633037" Received: from lkp-server01.sh.intel.com (HELO 783282924a45) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 29 Jun 2023 22:33:14 -0700 Received: from kbuild by 783282924a45 with local (Exim 4.96) (envelope-from ) id 1qF6kr-000EkP-2v; Fri, 30 Jun 2023 05:33:13 +0000 Date: Fri, 30 Jun 2023 13:32:17 +0800 From: kernel test robot To: jeffxu@chromium.org, skhan@linuxfoundation.org, keescook@chromium.org Cc: oe-kbuild-all@lists.linux.dev, akpm@linux-foundation.org, dmitry.torokhov@gmail.com, dverkamp@chromium.org, asmadeus@codewreck.org, hughd@google.com, jeffxu@google.com, jorgelo@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, jannh@google.com, linux-hardening@vger.kernel.org, linux-security-module@vger.kernel.org Subject: Re: [PATCH v1 1/2] mm/memfd: sysctl: fix MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED Message-ID: <202306301351.kkbSegQW-lkp@intel.com> References: <20230630031721.623955-2-jeffxu@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230630031721.623955-2-jeffxu@google.com> X-Rspamd-Queue-Id: CAEF51C000E X-Rspam-User: X-Stat-Signature: ix9cwy6xi96kb76nchemoxhg5omug7ct X-Rspamd-Server: rspam01 X-HE-Tag: 1688103200-829211 X-HE-Meta: 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 53lwDjoi gKqkc9VAZSMgfPtBXZyLkOiQWVx4YlXBh5IianCtksgAgT8ifwjWSjpq6X5V5TyyzekQ40tdMaaQPzheFb+x16PMyJ02FKbJM3SpLwAOyGd5vv2HwpchR83A7KQc6+td5RPAjqWpD4ma8Hv1ageLXgQCmKaY57m6Yq8AHX60V5E0QGr8aVt1cGWlVXTx5wgYrCUldjHY/pEIhHUEbZaljN+XLrwAc4+wCsVy9m6V1b8gWuhPxdTH6OAIgOGsdqFwGOcNLI+mssS3ze1G6bxi9Az4OHLABrxiWa1CSZ4jlxkXqwgeZ8T7Qb+FE8vfPtjz4frO6xrW/0QxyKXbI1ze26MSh0ZWxtio4PfzqZHsDUlCMwmAjK9QfpbscrnAuWykcY5TTqVp0cLV/UoAJ3QRd3iv8xbtInZQAPoDNl275ZNe/KN0TBbjCH3FeReo2XCX0lJ+U X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/jeffxu-chromium-org/mm-memfd-sysctl-fix-MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED/20230630-111827 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230630031721.623955-2-jeffxu%40google.com patch subject: [PATCH v1 1/2] mm/memfd: sysctl: fix MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED config: microblaze-randconfig-r003-20230630 (https://download.01.org/0day-ci/archive/20230630/202306301351.kkbSegQW-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230630/202306301351.kkbSegQW-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306301351.kkbSegQW-lkp@intel.com/ All errors (new ones prefixed by >>): mm/memfd.c: In function 'sysctl_memfd_noexec': >> mm/memfd.c:273:22: error: 'MEMFD_NOEXEC_SCOPE_EXEC' undeclared (first use in this function) 273 | int sysctl = MEMFD_NOEXEC_SCOPE_EXEC; | ^~~~~~~~~~~~~~~~~~~~~~~ mm/memfd.c:273:22: note: each undeclared identifier is reported only once for each function it appears in mm/memfd.c: In function '__do_sys_memfd_create': >> mm/memfd.c:311:31: error: 'MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL' undeclared (first use in this function) 311 | if (sysctl == MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> mm/memfd.c:321:43: error: 'MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED' undeclared (first use in this function) 321 | if (flags & MFD_EXEC && sysctl >= MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/MEMFD_NOEXEC_SCOPE_EXEC +273 mm/memfd.c 270 271 static int sysctl_memfd_noexec(void) 272 { > 273 int sysctl = MEMFD_NOEXEC_SCOPE_EXEC; 274 #ifdef CONFIG_SYSCTL 275 struct pid_namespace *ns; 276 277 ns = task_active_pid_ns(current); 278 if (ns) 279 sysctl = ns->memfd_noexec_scope; 280 #endif 281 return sysctl; 282 } 283 284 SYSCALL_DEFINE2(memfd_create, 285 const char __user *, uname, 286 unsigned int, flags) 287 { 288 char comm[TASK_COMM_LEN]; 289 unsigned int *file_seals; 290 struct file *file; 291 int fd, error; 292 char *name; 293 long len; 294 int sysctl = sysctl_memfd_noexec(); 295 296 if (!(flags & MFD_HUGETLB)) { 297 if (flags & ~(unsigned int)MFD_ALL_FLAGS) 298 return -EINVAL; 299 } else { 300 /* Allow huge page size encoding in flags. */ 301 if (flags & ~(unsigned int)(MFD_ALL_FLAGS | 302 (MFD_HUGE_MASK << MFD_HUGE_SHIFT))) 303 return -EINVAL; 304 } 305 306 /* Invalid if both EXEC and NOEXEC_SEAL are set.*/ 307 if ((flags & MFD_EXEC) && (flags & MFD_NOEXEC_SEAL)) 308 return -EINVAL; 309 310 if (!(flags & (MFD_EXEC | MFD_NOEXEC_SEAL))) { > 311 if (sysctl == MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL) 312 flags |= MFD_NOEXEC_SEAL; 313 else 314 flags |= MFD_EXEC; 315 316 pr_warn_once( 317 "memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=%d '%s'\n", 318 task_pid_nr(current), get_task_comm(comm, current)); 319 } 320 > 321 if (flags & MFD_EXEC && sysctl >= MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED) { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki