Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes

kernel test robot
2022-10-26T08:15:18Z

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Hi Casey,

I love your patch! Perhaps something to improve:

[auto build test WARNING on kees/for-next/hardening]
[also build test WARNING on pcmoore-selinux/next acme/perf/core linus/master v6.1-rc2 next-20221025]
[cannot apply to tip/perf/core]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Casey-Schaufler/LSM-Identify-modules-by-more-than-name/20221026-034541
base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
patch link: https://lore.kernel.org/r/20221025184519.13231-7-casey%40schaufler-ca.com
patch subject: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes
config: s390-allmodconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 12.1.0
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/c9d17b230f202246a9451fbdefac8c1720eb68a6
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Casey-Schaufler/LSM-Identify-modules-by-more-than-name/20221026-034541
git checkout c9d17b230f202246a9451fbdefac8c1720eb68a6
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> security/lsm_syscalls.c:51: warning: expecting prototype for lsm_self_attr(). Prototype was for sys_lsm_self_attr() instead

vim +51 security/lsm_syscalls.c

33
34 /**
35 * lsm_self_attr - Return current task's security module attributes
36 * @ctx: the LSM contexts
37 * @size: size of @ctx, updated on return
38 * @flags: reserved for future use, must be zero
39 *
40 * Returns the calling task's LSM contexts. On success this
41 * function returns the number of @ctx array elements. This value
42 * may be zero if there are no LSM contexts assigned. If @size is
43 * insufficient to contain the return data -E2BIG is returned and
44 * @size is set to the minimum required size. In all other cases
45 * a negative value indicating the error is returned.
46 */
47 SYSCALL_DEFINE3(lsm_self_attr,
48 struct lsm_ctx __user *, ctx,
49 size_t __user *, size,
50 int, flags)
> 51 {

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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