[kbuild-all] [mcgrof:modules-next 1/1] include/linux/kern_levels.h:5:18: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Off' {aka 'unsigned int'}

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next head: 8b1185a4427b772b9f02376a08272c3019777581 commit: 8b1185a4427b772b9f02376a08272c3019777581 [1/1] module: change to print useful messages from elf_validity_check() config: um-i386_defconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/commit/?... git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git git fetch --no-tags mcgrof modules-next git checkout 8b1185a4427b772b9f02376a08272c3019777581 # save the attached .config to linux build tree make W=1 ARCH=um SUBARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: kernel/module.c: In function 'validate_section_offset': 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:2953:3: note: in expansion of macro 'pr_err' 2953 | pr_err("Invalid ELF section offset/size: secend(%lu) < shdr->sh_offset(%llu) or secend(%lu) > e_shnum(%lu)\n", | ^~~~~~ kernel/module.c:2953:77: note: format string is defined here 2953 | pr_err("Invalid ELF section offset/size: secend(%lu) < shdr->sh_offset(%llu) or secend(%lu) > e_shnum(%lu)\n", | ~~~^ | | | long long unsigned int | %u In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: kernel/module.c: In function 'elf_validity_check': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:2974:3: note: in expansion of macro 'pr_err' 2974 | pr_err("Invalid ELF header len %lu < %lu\n", info->len, | ^~~~~~ kernel/module.c:2974:42: note: format string is defined here 2974 | pr_err("Invalid ELF header len %lu < %lu\n", info->len, | ~~^ | | | long unsigned int | %u In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:2994:3: note: in expansion of macro 'pr_err' 2994 | pr_err("Invalid ELF section header size %d != %lu\n", | ^~~~~~ kernel/module.c:2994:51: note: format string is defined here 2994 | pr_err("Invalid ELF section header size %d != %lu\n", | ~~^ | | | long unsigned int | %u In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:3007:3: note: in expansion of macro 'pr_err' 3007 | pr_err("Invalid ELF section header overflow: %ld > %llu\n", | ^~~~~~ kernel/module.c:3007:50: note: format string is defined here 3007 | pr_err("Invalid ELF section header overflow: %ld > %llu\n", | ~~^ | | | long int | %d In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:3007:3: note: in expansion of macro 'pr_err' 3007 | pr_err("Invalid ELF section header overflow: %ld > %llu\n", | ^~~~~~ kernel/module.c:3007:57: note: format string is defined here 3007 | pr_err("Invalid ELF section header overflow: %ld > %llu\n", | ~~~^ | | | long long unsigned int | %lu In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:3049:3: note: in expansion of macro 'pr_err' 3049 | pr_err("ELF Spec violation: section 0 type!=SH_NULL(%d) or non-zero len(%llu) or addr(%llu)\n", | ^~~~~~ kernel/module.c:3049:78: note: format string is defined here 3049 | pr_err("ELF Spec violation: section 0 type!=SH_NULL(%d) or non-zero len(%llu) or addr(%llu)\n", | ~~~^ | | | long long unsigned int | %u In file included from include/linux/kernel.h:19, from include/linux/list.h:9, from include/linux/module.h:12, from include/linux/moduleloader.h:6, from kernel/module.c:11: 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ kernel/module.c:3049:3: note: in expansion of macro 'pr_err' 3049 | pr_err("ELF Spec violation: section 0 type!=SH_NULL(%d) or non-zero len(%llu) or addr(%llu)\n", | ^~~~~~ kernel/module.c:3049:92: note: format string is defined here 3049 | pr_err("ELF Spec violation: section 0 type!=SH_NULL(%d) or non-zero len(%llu) or addr(%llu)\n", | ~~~^ | | | long long unsigned int | %u vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 :::::: The code at line 5 was first introduced by commit :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern :::::: TO: Joe Perches <joe(a)perches.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org