tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b4b0881156fb8209bf5ef6cb63211bb0ad6e1a6b commit: 07438779313caafe52ac1a1a6958d735a5938988 alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled date: 5 days ago config: hexagon-randconfig-r133-20250131 (https://download.01.org/0day-ci/archive/20250131/202501310832.kiAeOt2z-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce: (https://download.01.org/0day-ci/archive/20250131/202501310832.kiAeOt2z-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/202501310832.kiAeOt2z-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/auxdisplay/panel.c:1454:2: error: call to __compiletime_assert_309 declared with 'error' attribute: BUILD_BUG_ON failed: !__builtin_constant_p(_dest_len) || _dest_len == (size_t)-1 strtomem_pad(key->u.kbd.release_str, release, '\0'); ^ include/linux/string.h:417:2: note: expanded from macro 'strtomem_pad' BUILD_BUG_ON(!__builtin_constant_p(_dest_len) || \ ^ include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:530:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:523:4: note: expanded from macro '__compiletime_assert' prefix ## suffix(); \ ^ <scratch space>:127:1: note: expanded from here __compiletime_assert_309 ^ 1 error generated. vim +/error +1454 drivers/auxdisplay/panel.c 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1426 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1427 /* tries to bind a key to the signal name <name>. The key will send the 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1428 * strings <press>, <repeat>, <release> for these respective events. 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1429 * Returns the pointer to the new key if ok, NULL if the key could not be bound. 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1430 */ 36d2041a3d57b9 drivers/staging/panel/panel.c Peter Huewe 2013-02-15 1431 static struct logical_input *panel_bind_key(const char *name, const char *press, 36d2041a3d57b9 drivers/staging/panel/panel.c Peter Huewe 2013-02-15 1432 const char *repeat, 36d2041a3d57b9 drivers/staging/panel/panel.c Peter Huewe 2013-02-15 1433 const char *release) 698b1515f03914 drivers/staging/panel/panel.c Willy Tarreau 2008-11-22 1434 { 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1435 struct logical_input *key; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1436 fdf4a4948ca8a1 drivers/staging/panel/panel.c Dominique van den Broeck 2014-05-21 1437 key = kzalloc(sizeof(*key), GFP_KERNEL); eb073a9bf2b6ed drivers/staging/panel/panel.c Toshiaki Yamane 2012-07-12 1438 if (!key) 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1439 return NULL; eb073a9bf2b6ed drivers/staging/panel/panel.c Toshiaki Yamane 2012-07-12 1440 698b1515f03914 drivers/staging/panel/panel.c Willy Tarreau 2008-11-22 1441 if (!input_name2mask(name, &key->mask, &key->value, &scan_mask_i, cb46f472cbb08c drivers/staging/panel/panel.c Kulikov Vasiliy 2010-07-12 1442 &scan_mask_o)) { cb46f472cbb08c drivers/staging/panel/panel.c Kulikov Vasiliy 2010-07-12 1443 kfree(key); 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1444 return NULL; cb46f472cbb08c drivers/staging/panel/panel.c Kulikov Vasiliy 2010-07-12 1445 } 698b1515f03914 drivers/staging/panel/panel.c Willy Tarreau 2008-11-22 1446 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1447 key->type = INPUT_TYPE_KBD; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1448 key->state = INPUT_ST_LOW; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1449 key->rise_time = 1; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1450 key->fall_time = 1; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1451 a952abcdaa2211 drivers/auxdisplay/panel.c Justin Stitt 2023-09-11 1452 strtomem_pad(key->u.kbd.press_str, press, '\0'); a952abcdaa2211 drivers/auxdisplay/panel.c Justin Stitt 2023-09-11 1453 strtomem_pad(key->u.kbd.repeat_str, repeat, '\0'); a952abcdaa2211 drivers/auxdisplay/panel.c Justin Stitt 2023-09-11 @1454 strtomem_pad(key->u.kbd.release_str, release, '\0'); 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1455 list_add(&key->list, &logical_inputs); 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1456 return key; 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1457 } 7005b58458e4be drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1458 :::::: The code at line 1454 was first introduced by commit :::::: a952abcdaa22116d940ca9cb9253caad1622ae93 auxdisplay: panel: Replace deprecated strncpy() with strtomem_pad() :::::: TO: Justin Stitt <justinstitt@xxxxxxxxxx> :::::: CC: Kees Cook <keescook@xxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
