tree: https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git working-io_uring head: 1f25193a3f5495eefbc9826b1de1a008a2439351 commit: b403f1cbca9c1e81942995229eccf775b7acf092 [8/9] selinux: add support for the io_uring access controls config: x86_64-randconfig-a012-20210526 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git/commit/?id=b403f1cbca9c1e81942995229eccf775b7acf092 git remote add pcmoore-selinux https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git git fetch --no-tags pcmoore-selinux working-io_uring git checkout b403f1cbca9c1e81942995229eccf775b7acf092 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> security/selinux/hooks.c:7146:5: warning: no previous prototype for function 'selinux_uring_override_creds' [-Wmissing-prototypes] int selinux_uring_override_creds(const struct cred *new) ^ security/selinux/hooks.c:7146:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int selinux_uring_override_creds(const struct cred *new) ^ static >> security/selinux/hooks.c:7166:5: warning: no previous prototype for function 'selinux_uring_sqpoll' [-Wmissing-prototypes] int selinux_uring_sqpoll(void) ^ security/selinux/hooks.c:7166:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int selinux_uring_sqpoll(void) ^ static 2 warnings generated. vim +/selinux_uring_override_creds +7146 security/selinux/hooks.c 7138 7139 /** 7140 * selinux_uring_override_creds - check the requested cred override 7141 * @new: the target creds 7142 * 7143 * Check to see if the current task is allowed to override it's credentials 7144 * to service an io_uring operation. 7145 */ > 7146 int selinux_uring_override_creds(const struct cred *new) 7147 { 7148 #if 1 7149 /* XXX - debug only code, remove before committing */ 7150 pr_err("PMD: selinux_uring_override_creds()\n"); 7151 pr_err("PMD: >>> CURRENT\n"); 7152 dump_creds(current_cred()); 7153 pr_err("PMD: >>> NEW\n"); 7154 dump_creds(new); 7155 #endif 7156 return avc_has_perm(&selinux_state, current_sid(), cred_sid(new), 7157 SECCLASS_IO_URING, IO_URING__OVERRIDE_CREDS, NULL); 7158 } 7159 7160 /** 7161 * selinux_uring_sqpoll - check if a io_uring polling thread can be created 7162 * 7163 * Check to see if the current task is allowed to create a new io_uring 7164 * kernel polling thread. 7165 */ > 7166 int selinux_uring_sqpoll(void) 7167 { 7168 int sid = current_sid(); 7169 #if 1 7170 /* XXX - debug only code, remove before committing */ 7171 pr_err("PMD: selinux_uring_sqpoll()\n"); 7172 pr_err("PMD: >>> CURRENT\n"); 7173 dump_creds(current_cred()); 7174 #endif 7175 return avc_has_perm(&selinux_state, sid, sid, 7176 SECCLASS_IO_URING, IO_URING__SQPOLL, NULL); 7177 } 7178 #endif /* CONFIG_IO_URING */ 7179 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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