On Sun, 19 May 2019 04:48:21 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > Hi Marco, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on v5.1 next-20190517] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Marco-Elver/mm-kasan-Print-frame-description-for-stack-bugs/20190519-040214 > config: xtensa-allyesconfig (attached as .config) > compiler: xtensa-linux-gcc (GCC) 8.1.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=8.1.0 make.cross ARCH=xtensa > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > This, I assume? --- a/mm/kasan/report.c~mm-kasan-print-frame-description-for-stack-bugs-fix +++ a/mm/kasan/report.c @@ -230,7 +230,7 @@ static void print_decoded_frame_descr(co return; pr_err("\n"); - pr_err("this frame has %zu %s:\n", num_objects, + pr_err("this frame has %lu %s:\n", num_objects, num_objects == 1 ? "object" : "objects"); while (num_objects--) { @@ -257,7 +257,7 @@ static void print_decoded_frame_descr(co strreplace(token, ':', '\0'); /* Finally, print object information. */ - pr_err(" [%zu, %zu) '%s'", offset, offset + size, token); + pr_err(" [%lu, %lu) '%s'", offset, offset + size, token); } } _