Re: [PATCH v2 2/3] LoadPin: Enable loading from trusted dm-verity devices

From: kernel test robot
Date: Wed Apr 27 2022 - 22:00:53 EST


Hi Matthias,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on device-mapper-dm/for-next]
[also build test ERROR on song-md/md-next kees/for-next/pstore v5.18-rc4 next-20220427]
[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/Matthias-Kaehlcke/LoadPin-Enable-loading-from-trusted-dm-verity-devices/20220427-053314
base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: alpha-randconfig-r024-20220425 (https://download.01.org/0day-ci/archive/20220428/202204280323.OzDYYX55-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 11.3.0
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/f3a54909bcd78b9f7f006d7e78acd03987031fae
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Matthias-Kaehlcke/LoadPin-Enable-loading-from-trusted-dm-verity-devices/20220427-053314
git checkout f3a54909bcd78b9f7f006d7e78acd03987031fae
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

security/loadpin/loadpin.c: In function 'loadpin_init':
security/loadpin/loadpin.c:436:44: error: 'loadpin_sysctl_path' undeclared (first use in this function)
436 | if (!register_sysctl_paths(loadpin_sysctl_path,
| ^~~~~~~~~~~~~~~~~~~
security/loadpin/loadpin.c:436:44: note: each undeclared identifier is reported only once for each function it appears in
>> security/loadpin/loadpin.c:437:44: error: 'loadpin_sysctl_table_verity_digests' undeclared (first use in this function)
437 | loadpin_sysctl_table_verity_digests))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/loadpin_sysctl_table_verity_digests +437 security/loadpin/loadpin.c

427
428 static int __init loadpin_init(void)
429 {
430 pr_info("ready to pin (currently %senforcing)\n",
431 enforce ? "" : "not ");
432 parse_exclude();
433 security_add_hooks(loadpin_hooks, ARRAY_SIZE(loadpin_hooks), "loadpin");
434
435 if (IS_ENABLED(CONFIG_SECURITY_LOADPIN_VERITY)) {
436 if (!register_sysctl_paths(loadpin_sysctl_path,
> 437 loadpin_sysctl_table_verity_digests))
438 pr_notice("sysctl registration failed!\n");
439 }
440
441 return 0;
442 }
443

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https://01.org/lkp