Hi Abdul, kernel test robot noticed the following build errors: [auto build test ERROR on ceph-client/testing] [also build test ERROR on ceph-client/for-linus linus/master v6.12-rc7 next-20241112] [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/Abdul-Rahim/Use-strscpy-instead-of-strcpy/20241112-064257 base: https://github.com/ceph/ceph-client.git testing patch link: https://lore.kernel.org/r/20241111221037.92853-1-abdul.rahim%40myyahoo.com patch subject: [PATCH] Use strscpy() instead of strcpy() config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241113/202411130853.c11sinW2-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411130853.c11sinW2-lkp@xxxxxxxxx/reproduce) 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/202411130853.c11sinW2-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/bitfield.h:10, from include/linux/fortify-string.h:5, from include/linux/string.h:390, from include/linux/ceph/ceph_debug.h:7, from fs/ceph/export.c:2: fs/ceph/export.c: In function '__get_snap_name': >> include/linux/build_bug.h:16:51: error: negative width in bit-field '<anonymous>' 16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) | ^ include/linux/compiler.h:243:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO' 243 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) | ^~~~~~~~~~~~~~~~~ include/linux/string.h:79:47: note: in expansion of macro '__must_be_array' 79 | sized_strscpy(dst, src, sizeof(dst) + __must_be_array(dst) + \ | ^~~~~~~~~~~~~~~ include/linux/args.h:25:24: note: in expansion of macro '__strscpy0' 25 | #define __CONCAT(a, b) a ## b | ^ include/linux/args.h:26:27: note: in expansion of macro '__CONCAT' 26 | #define CONCATENATE(a, b) __CONCAT(a, b) | ^~~~~~~~ include/linux/string.h:113:9: note: in expansion of macro 'CONCATENATE' 113 | CONCATENATE(__strscpy, COUNT_ARGS(__VA_ARGS__))(dst, src, __VA_ARGS__) | ^~~~~~~~~~~ fs/ceph/export.c:455:25: note: in expansion of macro 'strscpy' 455 | strscpy(name, fsc->mount_options->snapdir_name); | ^~~~~~~ vim +16 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 6 bc6245e5efd70c Ian Abbott 2017-07-10 7 #ifdef __CHECKER__ bc6245e5efd70c Ian Abbott 2017-07-10 8 #define BUILD_BUG_ON_ZERO(e) (0) bc6245e5efd70c Ian Abbott 2017-07-10 9 #else /* __CHECKER__ */ bc6245e5efd70c Ian Abbott 2017-07-10 10 /* bc6245e5efd70c Ian Abbott 2017-07-10 11 * Force a compilation error if condition is true, but also produce a 8788994376d84d Rikard Falkeborn 2019-12-04 12 * result (of value 0 and type int), so the expression can be used bc6245e5efd70c Ian Abbott 2017-07-10 13 * e.g. in a structure initializer (or where-ever else comma expressions bc6245e5efd70c Ian Abbott 2017-07-10 14 * aren't permitted). bc6245e5efd70c Ian Abbott 2017-07-10 15 */ 8788994376d84d Rikard Falkeborn 2019-12-04 @16 #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) 527edbc18a70e7 Masahiro Yamada 2019-01-03 17 #endif /* __CHECKER__ */ 527edbc18a70e7 Masahiro Yamada 2019-01-03 18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
