linux-kernel - Re: [PATCH] don't record leak information on allocations done between kmemleak_init and kmemleak_late

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Date: Wed, 3 Jan 2024 11:08:56 +0800
From: kernel test robot <lkp@...el.com>
To: Chris von Recklinghausen <crecklin@...hat.com>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, crecklin@...hat.com
Subject: Re: [PATCH] don't record leak information on allocations done
 between kmemleak_init and kmemleak_late_init

Hi Chris,

kernel test robot noticed the following build errors:

[auto build test ERROR on v6.7-rc8]
[also build test ERROR on linus/master]
[cannot apply to akpm-mm/mm-everything next-20240102]
[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/Chris-von-Recklinghausen/don-t-record-leak-information-on-allocations-done-between-kmemleak_init-and-kmemleak_late_init/20240102-233553
base:   v6.7-rc8
patch link:    https://lore.kernel.org/r/20240102153428.139984-1-crecklin%40redhat.com
patch subject: [PATCH] don't record leak information on allocations done between kmemleak_init and kmemleak_late_init
config: i386-randconfig-141-20240103 (https://download.01.org/0day-ci/archive/20240103/202401031015.xJOsS8Nv-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240103/202401031015.xJOsS8Nv-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/202401031015.xJOsS8Nv-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/kmemleak.c:1194:26: error: use of undeclared identifier 'kmamleak_late_initialized'; did you mean 'kmemleak_late_initialized'?
    1194 |         if (kmemleak_enabled && kmamleak_late_initialized && ptr &&
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                                 kmemleak_late_initialized
   mm/kmemleak.c:221:12: note: 'kmemleak_late_initialized' declared here
     221 | static int kmemleak_late_initialized;
         |            ^
   mm/kmemleak.c:1213:26: error: use of undeclared identifier 'kmamleak_late_initialized'; did you mean 'kmemleak_late_initialized'?
    1213 |         if (kmemleak_enabled && kmamleak_late_initialized && ptr &&
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                                 kmemleak_late_initialized
   mm/kmemleak.c:221:12: note: 'kmemleak_late_initialized' declared here
     221 | static int kmemleak_late_initialized;
         |            ^
   2 errors generated.


vim +1194 mm/kmemleak.c

  1182	
  1183	/**
  1184	 * kmemleak_not_leak - mark an allocated object as false positive
  1185	 * @ptr:	pointer to beginning of the object
  1186	 *
  1187	 * Calling this function on an object will cause the memory block to no longer
  1188	 * be reported as leak and always be scanned.
  1189	 */
  1190	void __ref kmemleak_not_leak(const void *ptr)
  1191	{
  1192		pr_debug("%s(0x%px)\n", __func__, ptr);
  1193	
> 1194		if (kmemleak_enabled && kmamleak_late_initialized && ptr &&
  1195			!IS_ERR(ptr))
  1196			make_gray_object((unsigned long)ptr);
  1197	}
  1198	EXPORT_SYMBOL(kmemleak_not_leak);
  1199	

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