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X-CSE-ConnectionGUID: lVEzcNWYT8uyQAw4OR/ztQ== X-CSE-MsgGUID: JHrmHLjATriYfcWL5WV9+Q== X-IronPort-AV: E=McAfee;i="6700,10204,11234"; a="33240805" X-IronPort-AV: E=Sophos;i="6.11,227,1725346800"; d="scan'208";a="33240805" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2024 14:16:36 -0700 X-CSE-ConnectionGUID: wGsTe4dYTfKEI5pzVWSc9w== X-CSE-MsgGUID: rZDbEJSIQQu6AH6Y9kwujw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,227,1725346800"; d="scan'208";a="85503273" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 23 Oct 2024 14:15:15 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t3ihE-000Va0-1O; Wed, 23 Oct 2024 21:15:12 +0000 Date: Thu, 24 Oct 2024 05:14:45 +0800 From: kernel test robot To: Johannes Berg Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [uml:next 29/44] arch/um/os-Linux/main.c:117:12: error: use of undeclared identifier 'PATH_MAX' Message-ID: <202410240553.gYNIXN8i-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/uml/linux next head: 3f17fed2149192c7d3b76a45a6a87b4ff22cd586 commit: 031acdcfb566ba18ffb57d51abf357a5e350424b [29/44] um: restore process name config: um-allnoconfig (https://download.01.org/0day-ci/archive/20241024/202410240553.gYNIXN8i-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240553.gYNIXN8i-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/202410240553.gYNIXN8i-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/um/os-Linux/main.c:117:12: error: use of undeclared identifier 'PATH_MAX' 117 | char buf[PATH_MAX] = {}; | ^ 1 error generated. vim +/PATH_MAX +117 arch/um/os-Linux/main.c 107 108 int __init main(int argc, char **argv, char **envp) 109 { 110 char **new_argv; 111 int ret, i, err; 112 113 /* Disable randomization and re-exec if it was changed successfully */ 114 ret = personality(PER_LINUX | ADDR_NO_RANDOMIZE); 115 if (ret >= 0 && (ret & (PER_LINUX | ADDR_NO_RANDOMIZE)) != 116 (PER_LINUX | ADDR_NO_RANDOMIZE)) { > 117 char buf[PATH_MAX] = {}; 118 ssize_t ret; 119 120 ret = readlink("/proc/self/exe", buf, sizeof(buf)); 121 if (ret < 0 || ret >= sizeof(buf)) { 122 perror("readlink failure"); 123 exit(1); 124 } 125 execve(buf, argv, envp); 126 } 127 128 set_stklim(); 129 130 setup_env_path(); 131 132 setsid(); 133 134 new_argv = malloc((argc + 1) * sizeof(char *)); 135 if (new_argv == NULL) { 136 perror("Mallocing argv"); 137 exit(1); 138 } 139 for (i = 0; i < argc; i++) { 140 new_argv[i] = strdup(argv[i]); 141 if (new_argv[i] == NULL) { 142 perror("Mallocing an arg"); 143 exit(1); 144 } 145 } 146 new_argv[argc] = NULL; 147 148 /* 149 * Allow these signals to bring down a UML if all other 150 * methods of control fail. 151 */ 152 install_fatal_handler(SIGINT); 153 install_fatal_handler(SIGTERM); 154 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki