linux-kernel - Re: [PATCH v2 security-next 1/4] security: Hornet LSM

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Message-ID: <202504070413.eDHSjWGP-lkp@intel.com>
Date: Mon, 7 Apr 2025 04:42:09 +0800
From: kernel test robot <lkp@...el.com>
To: Blaise Boscaccy <bboscaccy@...ux.microsoft.com>,
	Jonathan Corbet <corbet@....net>,
	David Howells <dhowells@...hat.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas@...sle.eu>,
	Shuah Khan <skhan@...uxfoundation.org>,
	Mickaël Salaün <mic@...ikod.net>,
	Günther Noack <gnoack@...gle.com>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Jarkko Sakkinen <jarkko@...nel.org>,
	Jan Stancek <jstancek@...hat.com>, Neal Gompa <neal@...pa.dev>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-kbuild@...r.kernel.org,
	linux-kselftest@...r.kernel.org, bpf@...r.kernel.org,
	llvm@...ts.linux.dev
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2 security-next 1/4] security: Hornet LSM

Hi Blaise,

kernel test robot noticed the following build errors:

[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes herbert-cryptodev-2.6/master herbert-crypto-2.6/master masahiroy-kbuild/for-next masahiroy-kbuild/fixes v6.14]
[cannot apply to linus/master next-20250404]
[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/Blaise-Boscaccy/security-Hornet-LSM/20250405-055741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link:    https://lore.kernel.org/r/20250404215527.1563146-2-bboscaccy%40linux.microsoft.com
patch subject: [PATCH v2 security-next 1/4] security: Hornet LSM
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250407/202504070413.eDHSjWGP-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250407/202504070413.eDHSjWGP-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/202504070413.eDHSjWGP-lkp@intel.com/

All errors (new ones prefixed by >>):

>> security/hornet/hornet_lsm.c:221:31: error: incompatible function pointer types initializing 'int (*)(struct bpf_prog *, union bpf_attr *, struct bpf_token *)' with an expression of type 'int (struct bpf_prog *, union bpf_attr *, struct bpf_token *, bool)' (aka 'int (struct bpf_prog *, union bpf_attr *, struct bpf_token *, _Bool)') [-Wincompatible-function-pointer-types]
     221 |         LSM_HOOK_INIT(bpf_prog_load, hornet_bpf_prog_load),
         |                                      ^~~~~~~~~~~~~~~~~~~~
   include/linux/lsm_hooks.h:136:21: note: expanded from macro 'LSM_HOOK_INIT'
     136 |                 .hook = { .NAME = HOOK }                \
         |                                   ^~~~
   1 error generated.


vim +221 security/hornet/hornet_lsm.c

   219	
   220	static struct security_hook_list hornet_hooks[] __ro_after_init = {
 > 221		LSM_HOOK_INIT(bpf_prog_load, hornet_bpf_prog_load),
   222	};
   223	

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