[kbuild-all] [freescale-fslc:pr/492 15428/21574] include/linux/string.h:399:25: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter

tree: https://github.com/Freescale/linux-fslc pr/492 head: 51cffbf29ed5a516ce75d7ae8ea7b2e9a318b392 commit: a452c44357d9c68c27c39327e50b41e4b6cffe8d [15428/21574] MLK-25015: sound: soc: codecs: pcm512x: set input sclk config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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/Freescale/linux-fslc/commit/a452c44357d9c68c27c39327e5... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc pr/492 git checkout a452c44357d9c68c27c39327e50b41e4b6cffe8d # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash sound/soc/fsl/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 77 | # define likely(x) __builtin_expect(!!(x), 1) | ^ sound/soc/fsl/imx-pcm512x.c:246:21: note: in expansion of macro 'do_div' 246 | if (do_div(sample_rate, 8000)) { | ^~~~~~ In file included from arch/arm/include/asm/div64.h:127, from include/linux/kernel.h:18, from include/linux/list.h:9, from include/linux/module.h:9, from sound/soc/fsl/imx-pcm512x.c:13: include/asm-generic/div64.h:243:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types] 243 | __rem = __div64_32(&(n), __base); \ | ^~~~ | | | unsigned int * sound/soc/fsl/imx-pcm512x.c:246:21: note: in expansion of macro 'do_div' 246 | if (do_div(sample_rate, 8000)) { | ^~~~~~ In file included from include/linux/kernel.h:18, from include/linux/list.h:9, from include/linux/module.h:9, from sound/soc/fsl/imx-pcm512x.c:13: arch/arm/include/asm/div64.h:33:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'unsigned int *' 33 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base) | ~~~~~~~~~~^ In file included from sound/soc/fsl/imx-pcm512x.c:21: sound/soc/fsl/imx-pcm512x.c: At top level: sound/soc/fsl/imx-pcm512x.c:357:37: warning: initialized field overwritten [-Woverride-init] 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~ include/sound/soc.h:919:27: note: in definition of macro 'SND_SOC_DAILINK_REG3' 919 | .codecs = codec, \ | ^~~~~ include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1' 924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func | ^~~~ sound/soc/fsl/imx-pcm512x.c:357:17: note: in expansion of macro 'SND_SOC_DAILINK_REG' 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~~~~~~~~~~~~~~~~ sound/soc/fsl/imx-pcm512x.c:357:37: note: (near initialization for 'imx_pcm512x_dai[0].codecs') 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~ include/sound/soc.h:919:27: note: in definition of macro 'SND_SOC_DAILINK_REG3' 919 | .codecs = codec, \ | ^~~~~ include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1' 924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func | ^~~~ sound/soc/fsl/imx-pcm512x.c:357:17: note: in expansion of macro 'SND_SOC_DAILINK_REG' 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/list.h:9, from include/linux/module.h:9, from sound/soc/fsl/imx-pcm512x.c:13: include/linux/kernel.h:47:25: warning: initialized field overwritten [-Woverride-init] 47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^ include/sound/soc.h:920:27: note: in expansion of macro 'ARRAY_SIZE' 920 | .num_codecs = ARRAY_SIZE(codec), \ | ^~~~~~~~~~ include/sound/soc.h:914:42: note: in expansion of macro 'SND_SOC_DAILINK_REG3' 914 | #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) | ^~~~~~~~~~~~~~~~~~~~ include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1' 924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func | ^~~~ include/sound/soc.h:926:9: note: in expansion of macro 'SND_SOC_DAILINK_REGx' 926 | SND_SOC_DAILINK_REGx(__VA_ARGS__, \ | ^~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/imx-pcm512x.c:357:17: note: in expansion of macro 'SND_SOC_DAILINK_REG' 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:47:25: note: (near initialization for 'imx_pcm512x_dai[0].num_codecs') 47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^ include/sound/soc.h:920:27: note: in expansion of macro 'ARRAY_SIZE' 920 | .num_codecs = ARRAY_SIZE(codec), \ | ^~~~~~~~~~ include/sound/soc.h:914:42: note: in expansion of macro 'SND_SOC_DAILINK_REG3' 914 | #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) | ^~~~~~~~~~~~~~~~~~~~ include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1' 924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func | ^~~~ include/sound/soc.h:926:9: note: in expansion of macro 'SND_SOC_DAILINK_REGx' 926 | SND_SOC_DAILINK_REGx(__VA_ARGS__, \ | ^~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/imx-pcm512x.c:357:17: note: in expansion of macro 'SND_SOC_DAILINK_REG' 357 | SND_SOC_DAILINK_REG(hifi), | ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/bitmap.h:9, from include/linux/nodemask.h:95, from include/linux/mmzone.h:17, from include/linux/gfp.h:6, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:13, from sound/soc/fsl/imx-pcm512x.c:13: In function 'memcpy', inlined from 'imx_pcm512x_probe' at sound/soc/fsl/imx-pcm512x.c:429:2: 399 | __read_overflow2(); | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/__read_overflow2 +399 include/linux/string.h 6974f0c4555e28 Daniel Micay 2017-07-12 390 6974f0c4555e28 Daniel Micay 2017-07-12 391 __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) 6974f0c4555e28 Daniel Micay 2017-07-12 392 { 6974f0c4555e28 Daniel Micay 2017-07-12 393 size_t p_size = __builtin_object_size(p, 0); 6974f0c4555e28 Daniel Micay 2017-07-12 394 size_t q_size = __builtin_object_size(q, 0); 6974f0c4555e28 Daniel Micay 2017-07-12 395 if (__builtin_constant_p(size)) { 6974f0c4555e28 Daniel Micay 2017-07-12 396 if (p_size < size) 6974f0c4555e28 Daniel Micay 2017-07-12 397 __write_overflow(); 6974f0c4555e28 Daniel Micay 2017-07-12 398 if (q_size < size) 6974f0c4555e28 Daniel Micay 2017-07-12 @399 __read_overflow2(); 6974f0c4555e28 Daniel Micay 2017-07-12 400 } 6974f0c4555e28 Daniel Micay 2017-07-12 401 if (p_size < size || q_size < size) 6974f0c4555e28 Daniel Micay 2017-07-12 402 fortify_panic(__func__); b008ae4cc74d3a Daniel Axtens 2020-06-03 403 return __underlying_memcpy(p, q, size); 6974f0c4555e28 Daniel Micay 2017-07-12 404 } 6974f0c4555e28 Daniel Micay 2017-07-12 405 :::::: The code at line 399 was first introduced by commit :::::: 6974f0c4555e285ab217cee58b6e874f776ff409 include/linux/string.h: add the option of fortified string.h functions :::::: TO: Daniel Micay <danielmicay(a)gmail.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