linux-kernel - Re: [PATCH v9 4/7] ima: kexec: define functions to copy IMA log at soft boot

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Message-ID: <202503121600.IMBKp2gC-lkp@intel.com>
Date: Wed, 12 Mar 2025 16:57:30 +0800
From: kernel test robot <lkp@...el.com>
To: steven chen <chenste@...ux.microsoft.com>, zohar@...ux.ibm.com,
	stefanb@...ux.ibm.com, roberto.sassu@...weicloud.com,
	roberto.sassu@...wei.com, eric.snowberg@...cle.com,
	ebiederm@...ssion.com, paul@...l-moore.com, code@...icks.com,
	bauermann@...abnow.com, linux-integrity@...r.kernel.org,
	kexec@...ts.infradead.org, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, madvenka@...ux.microsoft.com,
	nramas@...ux.microsoft.com, James.Bottomley@...senpartnership.com,
	bhe@...hat.com, vgoyal@...hat.com, dyoung@...hat.com
Subject: Re: [PATCH v9 4/7] ima: kexec: define functions to copy IMA log at
 soft boot

Hi steven,

kernel test robot noticed the following build warnings:

[auto build test WARNING on zohar-integrity/next-integrity]
[also build test WARNING on linus/master v6.14-rc6 next-20250311]
[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/steven-chen/ima-copy-only-complete-measurement-records-across-kexec/20250305-031719
base:   https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity
patch link:    https://lore.kernel.org/r/20250304190351.96975-5-chenste%40linux.microsoft.com
patch subject: [PATCH v9 4/7] ima: kexec: define functions to copy IMA log at soft boot
config: powerpc64-randconfig-r133-20250312 (https://download.01.org/0day-ci/archive/20250312/202503121600.IMBKp2gC-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250312/202503121600.IMBKp2gC-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/202503121600.IMBKp2gC-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   security/integrity/ima/ima_kexec.c:107:30: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned short [addressable] [assigned] [usertype] version @@     got restricted __le16 [usertype] @@
   security/integrity/ima/ima_kexec.c:107:30: sparse:     expected unsigned short [addressable] [assigned] [usertype] version
   security/integrity/ima/ima_kexec.c:107:30: sparse:     got restricted __le16 [usertype]
   security/integrity/ima/ima_kexec.c:108:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [addressable] [assigned] [usertype] count @@     got restricted __le64 [usertype] @@
   security/integrity/ima/ima_kexec.c:108:28: sparse:     expected unsigned long long [addressable] [assigned] [usertype] count
   security/integrity/ima/ima_kexec.c:108:28: sparse:     got restricted __le64 [usertype]
   security/integrity/ima/ima_kexec.c:109:34: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [addressable] [assigned] [usertype] buffer_size @@     got restricted __le64 [usertype] @@
   security/integrity/ima/ima_kexec.c:109:34: sparse:     expected unsigned long long [addressable] [assigned] [usertype] buffer_size
   security/integrity/ima/ima_kexec.c:109:34: sparse:     got restricted __le64 [usertype]
>> security/integrity/ima/ima_kexec.c:209:23: sparse: sparse: symbol 'update_buffer_nb' was not declared. Should it be static?

vim +/update_buffer_nb +209 security/integrity/ima/ima_kexec.c

   208	
 > 209	struct notifier_block update_buffer_nb = {
   210		.notifier_call = ima_update_kexec_buffer,
   211		.priority = 1,
   212	};
   213	

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