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X-IronPort-AV: E=McAfee;i="6600,9927,10756"; a="365814577" X-IronPort-AV: E=Sophos;i="6.01,170,1684825200"; d="scan'208";a="365814577" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2023 23:45:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10756"; a="717686999" X-IronPort-AV: E=Sophos;i="6.01,169,1684825200"; d="scan'208";a="717686999" Received: from lkp-server01.sh.intel.com (HELO 783282924a45) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 29 Jun 2023 23:45:16 -0700 Received: from kbuild by 783282924a45 with local (Exim 4.96) (envelope-from ) id 1qF7sa-000EmB-0I; Fri, 30 Jun 2023 06:45:16 +0000 Date: Fri, 30 Jun 2023 14:44:26 +0800 From: kernel test robot To: jeffxu@chromium.org, skhan@linuxfoundation.org, keescook@chromium.org Cc: llvm@lists.linux.dev, 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: <202306301413.VtwSCI1F-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: 820D780005 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: rtibh9prbbjrw114kjrxj6yhxfppx3u9 X-HE-Tag: 1688107603-920661 X-HE-Meta: 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 HaKsmx88 2TXz9+Zmob4azZXCpzBrFZcex/HU1YLfEaQwUrC2tPfieXyDJUtYLye8xMfxvqD/DF5h8XI5ZIA64c81idJ5n+KFP70t9tdw2P2nml/Ap0G3dSib82CPynrs5OSoza+BStIrq6HzKETurMRNksnJ0ZEQKIipd0NnljXxAc/JR4TDzgliMTPD5ByJKRm+bLyFEd2Gcgjjv40cndYgp1i4+xHz7E4PbFCHlbqIJGpujwS3tBAIH3LAk6CkW0SV4Ep9FdBW4VKGLE/ooqNB82nH4/CGnG19i7133OLIyy2sshTblgcQlUsasJiMfePPT3/FMQePS4Gj2P6OUGZX9xMCp7ly+y+AE74NaJfJqxhuPL4Hm9PaU4FndM6IoUi+uo5YT5I4Own6Kp7tPLq54NoQvXYqa+Ali0EuiQ3/GKy6ChnZDF2ofypXS09tsUP3ZxaCDMXJI 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: riscv-randconfig-r042-20230630 (https://download.01.org/0day-ci/archive/20230630/202306301413.VtwSCI1F-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230630/202306301413.VtwSCI1F-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/202306301413.VtwSCI1F-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memfd.c:273:15: error: use of undeclared identifier 'MEMFD_NOEXEC_SCOPE_EXEC' 273 | int sysctl = MEMFD_NOEXEC_SCOPE_EXEC; | ^ >> mm/memfd.c:311:17: error: use of undeclared identifier 'MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL' 311 | if (sysctl == MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL) | ^ >> mm/memfd.c:321:36: error: use of undeclared identifier 'MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED' 321 | if (flags & MFD_EXEC && sysctl >= MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED) { | ^ 3 errors generated. 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