linux-kernel - Re: [PATCH v3 2/3] lsm: introduce security_lsm_config_*

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202506250843.UnXrlnza-lkp@intel.com>
Date: Wed, 25 Jun 2025 08:42:08 +0800
From: kernel test robot <lkp@...el.com>
To: Maxime Bélair <maxime.belair@...onical.com>,
	linux-security-module@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, john.johansen@...onical.com,
	paul@...l-moore.com, jmorris@...ei.org, serge@...lyn.com,
	mic@...ikod.net, kees@...nel.org, stephen.smalley.work@...il.com,
	casey@...aufler-ca.com, takedakn@...data.co.jp,
	penguin-kernel@...ove.sakura.ne.jp, song@...nel.org,
	rdunlap@...raread.org, linux-api@...r.kernel.org,
	apparmor@...ts.ubuntu.com, linux-kernel@...r.kernel.org,
	Maxime Bélair <maxime.belair@...onical.com>
Subject: Re: [PATCH v3 2/3] lsm: introduce security_lsm_config_*_policy hooks

Hi Maxime,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 9c32cda43eb78f78c73aee4aa344b777714e259b]

url:    https://github.com/intel-lab-lkp/linux/commits/Maxime-B-lair/Wire-up-lsm_config_self_policy-and-lsm_config_system_policy-syscalls/20250624-225008
base:   9c32cda43eb78f78c73aee4aa344b777714e259b
patch link:    https://lore.kernel.org/r/20250624143211.436045-3-maxime.belair%40canonical.com
patch subject: [PATCH v3 2/3] lsm: introduce security_lsm_config_*_policy hooks
config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20250625/202506250843.UnXrlnza-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506250843.UnXrlnza-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506250843.UnXrlnza-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/perf_event.h:62,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:94,
                    from init/main.c:21:
>> include/linux/security.h:1618:12: warning: 'security_lsm_config_system_policy' defined but not used [-Wunused-function]
    1618 | static int security_lsm_config_system_policy(u32 lsm_id, u32 op, void __user *buf,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/security.h:1611:12: warning: 'security_lsm_config_self_policy' defined but not used [-Wunused-function]
    1611 | static int security_lsm_config_self_policy(u32 lsm_id, u32 op, void __user *buf,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/security_lsm_config_system_policy +1618 include/linux/security.h

  1617	
> 1618	static int security_lsm_config_system_policy(u32 lsm_id, u32 op, void __user *buf,
  1619						     size_t size, u32 flags)
  1620	{
  1621	
  1622		return -EOPNOTSUPP;
  1623	}
  1624	#endif	/* CONFIG_SECURITY */
  1625	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki