Re: [PATCH] lkdtm/core: fix resource leaks on module init error path

[kernel test robot <lkp@intel.com>]

Hi Jiangshan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus soc/for-next linus/master v7.2-rc6 next-20260804]
[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/Jiangshan-Yi/lkdtm-core-fix-resource-leaks-on-module-init-error-path/20260804-225548
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20260701151438.3772375-1-yijiangshan%40kylinos.cn
patch subject: [PATCH] lkdtm/core: fix resource leaks on module init error path
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20260805/202608051446.cKZTkVXV-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/202608051446.cKZTkVXV-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608051446.cKZTkVXV-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: "saved_config" [vmlinux] is COMMON symbol
>> WARNING: modpost: vmlinux: section mismatch in reference: lkdtm_module_init+0x1ec (section: .init.text) -> lkdtm_heap_exit (section: .exit.text)
WARNING: modpost: vmlinux: section mismatch in reference: lkdtm_module_init+0x1f0 (section: .init.text) -> lkdtm_heap_exit (section: .exit.text)
>> WARNING: modpost: vmlinux: section mismatch in reference: lkdtm_module_init+0x1fc (section: .init.text) -> lkdtm_usercopy_exit (section: .exit.text)
WARNING: modpost: vmlinux: section mismatch in reference: lkdtm_module_init+0x200 (section: .init.text) -> lkdtm_usercopy_exit (section: .exit.text)

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