Re: [PATCH 1/2] security: Add LSM hook to setgroups() syscall

kernel test robot
2022-06-14T05:27:28Z

[also build test ERROR on kees/for-next/pstore v5.19-rc2 next-20220610]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/intel-lab-lkp/linux/commits/Micah-Morton/security-Add-LSM-hook-to-setgroups-syscall/20220614-050341
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3
config: hexagon-randconfig-r045-20220613 (https://download.01.org/0day-ci/archive/20220614/202206141343.mSI8gmLO-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
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
# https://github.com/intel-lab-lkp/linux/commit/b21cba6f759a2a60439de4d0f85323ed745b3ade
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Micah-Morton/security-Add-LSM-hook-to-setgroups-syscall/20220614-050341
git checkout b21cba6f759a2a60439de4d0f85323ed745b3ade
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/groups.c:143:6: error: assigning to 'struct cred *' from 'typeof (*((__current_thread_info->task)->cred)) *' (aka 'const struct cred *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
old = current_cred();
^ ~~~~~~~~~~~~~~
>> kernel/groups.c:147:2: error: use of undeclared identifier 'retval'
retval = security_task_fix_setgroups(new, old);
^
kernel/groups.c:148:6: error: use of undeclared identifier 'retval'
if (retval < 0)
^
kernel/groups.c:155:9: error: use of undeclared identifier 'retval'
return retval;
^
4 errors generated.

vim +143 kernel/groups.c