On Thu, Jan 30, 2025 at 4:06 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > 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) Just saw this report (was on vacation). Will try to figure out what's going on. > > 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