Hi Demi, kernel test robot noticed the following build warnings: [auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on lee-leds/for-leds-next linus/master v6.4-rc5 next-20230609] [cannot apply to xen-tip/linux-next lee-mfd/for-mfd-fixes] [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/Demi-Marie-Obenour/vsscanf-Return-ERANGE-on-integer-overflow/20230610-110026 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next patch link: https://lore.kernel.org/r/20230610025759.1813-2-demi%40invisiblethingslab.com patch subject: [PATCH 2/4] vsscanf(): Return -ERANGE on integer overflow config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230610/202306102055.ZSJK8Xsj-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): git remote add lee-mfd https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git git fetch lee-mfd for-mfd-next git checkout lee-mfd/for-mfd-next b4 shazam https://lore.kernel.org/r/20230610025759.1813-2-demi@xxxxxxxxxxxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/staging/media/atomisp/ 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306102055.ZSJK8Xsj-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/staging/media/atomisp//pci/ia_css_acc_types.h:25, from drivers/staging/media/atomisp//pci/ia_css_pipe_public.h:29, from drivers/staging/media/atomisp//pci/ia_css_stream_public.h:25, from drivers/staging/media/atomisp//pci/runtime/binary/interface/ia_css_binary.h:23, from drivers/staging/media/atomisp//pci/runtime/debug/interface/ia_css_debug.h:25, from drivers/staging/media/atomisp/pci/isp/kernels/macc/macc_1.0/ia_css_macc.host.c:18: >> drivers/staging/media/atomisp//pci/hive_isp_css_include/platform_support.h:30: warning: "UCHAR_MAX" redefined 30 | #define UCHAR_MAX (255) | In file included from include/linux/limits.h:7, from drivers/staging/media/atomisp//pci/hive_isp_css_include/type_support.h:37, from drivers/staging/media/atomisp//pci/ia_css_types.h:27, from drivers/staging/media/atomisp/pci/isp/kernels/macc/macc_1.0/ia_css_macc.host.c:16: include/vdso/limits.h:5: note: this is the location of the previous definition 5 | #define UCHAR_MAX ((unsigned char)~0U) | vim +/UCHAR_MAX +30 drivers/staging/media/atomisp//pci/hive_isp_css_include/platform_support.h ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/platform_support.h Mauro Carvalho Chehab 2020-04-19 27 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/platform_support.h Mauro Carvalho Chehab 2020-04-19 28 #define UINT16_MAX USHRT_MAX ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/platform_support.h Mauro Carvalho Chehab 2020-04-19 29 #define UINT32_MAX UINT_MAX ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/platform_support.h Mauro Carvalho Chehab 2020-04-19 @30 #define UCHAR_MAX (255) ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/platform_support.h Mauro Carvalho Chehab 2020-04-19 31 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki