Hi George, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on vbabka-slab/for-next] [also build test WARNING on linus/master v6.2-rc6] [cannot apply to akpm-mm/mm-everything] [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/George-Prekas/mm-kmemleak-properly-disable-task-stack-scanning/20230124-010911 base: git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git for-next patch link: https://lore.kernel.org/r/20230123170419.7292-2-george%40enfabrica.net patch subject: [PATCH 1/9] mm: kmemleak: properly disable task stack scanning config: s390-randconfig-s051-20230129 (https://download.01.org/0day-ci/archive/20230201/202302012338.O1vnQ1Ar-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/f0d9df4305849ecea4402bc614cadb0dd357da77 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review George-Prekas/mm-kmemleak-properly-disable-task-stack-scanning/20230124-010911 git checkout f0d9df4305849ecea4402bc614cadb0dd357da77 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> mm/kmemleak.c:1244:46: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long ptr @@ got void const *ptr @@ mm/kmemleak.c:1244:46: sparse: expected unsigned long ptr mm/kmemleak.c:1244:46: sparse: got void const *ptr mm/kmemleak.c:1772:13: sparse: sparse: context imbalance in 'kmemleak_seq_start' - different lock contexts for basic block mm/kmemleak.c: note: in included file (through include/linux/rculist.h, include/linux/sched/signal.h): include/linux/rcupdate.h:795:9: sparse: sparse: context imbalance in 'kmemleak_seq_stop' - unexpected unlock vim +1244 mm/kmemleak.c 1233 1234 /** 1235 * kmemleak_mark_stack - mark the allocated object as a kernel stack 1236 * 1237 * @ptr: pointer to beginning of the object 1238 */ 1239 void __ref kmemleak_mark_stack(const void *ptr) 1240 { 1241 struct kmemleak_object *object; 1242 1243 if (kmemleak_enabled && ptr && !IS_ERR(ptr)) { > 1244 object = find_and_get_object(ptr, 0); 1245 if (object) { 1246 object->flags |= OBJECT_STACK; 1247 put_object(object); 1248 } 1249 } 1250 } 1251 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
