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Biederman" , Sebastian Andrzej Siewior , Andy Lutomirski , Peter Zijlstra , "Liam R. Howlett" , Fenghua Yu , Andrei Vagin , George Prekas Subject: Re: [PATCH 1/9] mm: kmemleak: properly disable task stack scanning Message-ID: <202301241355.ytFzL2p6-lkp@intel.com> References: <20230123170419.7292-2-george@enfabrica.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230123170419.7292-2-george@enfabrica.net> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 947A820015 X-Stat-Signature: rpxyuigf15p5w69qghs6cggbte9zqkxe X-HE-Tag: 1674539269-365853 X-HE-Meta: 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 STiWJFYD 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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-rc5 next-20230123] [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: arc-randconfig-r043-20230123 (https://download.01.org/0day-ci/archive/20230124/202301241355.ytFzL2p6-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # 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=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): mm/kmemleak.c: In function 'kmemleak_mark_stack': >> mm/kmemleak.c:1244:46: warning: passing argument 1 of 'find_and_get_object' makes integer from pointer without a cast [-Wint-conversion] 1244 | object = find_and_get_object(ptr, 0); | ^~~ | | | const void * mm/kmemleak.c:561:66: note: expected 'long unsigned int' but argument is of type 'const void *' 561 | static struct kmemleak_object *find_and_get_object(unsigned long ptr, int alias) | ~~~~~~~~~~~~~~^~~ vim +/find_and_get_object +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