tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 95c8a35f1c017327eab3b6a2ff5c04255737c856 commit: 47227d27e2fcb01a9e8f5958d8997cf47a820afc string.h: fix incompatibility between FORTIFY_SOURCE and KASAN date: 3 years, 7 months ago config: x86_64-randconfig-014-20240106 (https://download.01.org/0day-ci/archive/20240106/202401061446.Vh6laz5V-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/20240106/202401061446.Vh6laz5V-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/202401061446.Vh6laz5V-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): sound/firewire/dice/dice.c: In function 'dice_card_strings': >> sound/firewire/dice/dice.c:120:35: warning: ') at ' directive output may be truncated writing 5 bytes into a region of size between 1 and 69 [-Wformat-truncation=] 120 | "%s %s (serial %u) at %s, S%d", | ^~~~~ sound/firewire/dice/dice.c:119:9: note: 'snprintf' output 21 or more bytes (assuming 89) into a destination of size 80 119 | snprintf(card->longname, sizeof(card->longname), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 120 | "%s %s (serial %u) at %s, S%d", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 121 | vendor, model, dev->config_rom[4] & 0x3fffff, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 122 | dev_name(&dice->unit->device), 100 << dev->max_speed); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +120 sound/firewire/dice/dice.c 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 91 732d153fbeac17 sound/firewire/dice.c Takashi Sakamoto 2014-11-29 92 static void dice_card_strings(struct snd_dice *dice) 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 93 { 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 94 struct snd_card *card = dice->card; 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 95 struct fw_device *dev = fw_parent_device(dice->unit); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 96 char vendor[32], model[32]; 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 97 unsigned int i; 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 98 int err; 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 99 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 100 strcpy(card->driver, "DICE"); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 101 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 102 strcpy(card->shortname, "DICE"); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 103 BUILD_BUG_ON(NICK_NAME_SIZE < sizeof(card->shortname)); 7c2d4c0cf5bacb sound/firewire/dice/dice.c Takashi Sakamoto 2014-11-29 104 err = snd_dice_transaction_read_global(dice, GLOBAL_NICK_NAME, 7c2d4c0cf5bacb sound/firewire/dice/dice.c Takashi Sakamoto 2014-11-29 105 card->shortname, 7c2d4c0cf5bacb sound/firewire/dice/dice.c Takashi Sakamoto 2014-11-29 106 sizeof(card->shortname)); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 107 if (err >= 0) { 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 108 /* DICE strings are returned in "always-wrong" endianness */ 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 109 BUILD_BUG_ON(sizeof(card->shortname) % 4 != 0); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 110 for (i = 0; i < sizeof(card->shortname); i += 4) 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 111 swab32s((u32 *)&card->shortname[i]); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 112 card->shortname[sizeof(card->shortname) - 1] = '\0'; 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 113 } 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 114 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 115 strcpy(vendor, "?"); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 116 fw_csr_string(dev->config_rom + 5, CSR_VENDOR, vendor, sizeof(vendor)); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 117 strcpy(model, "?"); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 118 fw_csr_string(dice->unit->directory, CSR_MODEL, model, sizeof(model)); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 119 snprintf(card->longname, sizeof(card->longname), cbab328ddc7858 sound/firewire/dice.c Clemens Ladisch 2011-09-04 @120 "%s %s (serial %u) at %s, S%d", cbab328ddc7858 sound/firewire/dice.c Clemens Ladisch 2011-09-04 121 vendor, model, dev->config_rom[4] & 0x3fffff, 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 122 dev_name(&dice->unit->device), 100 << dev->max_speed); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 123 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 124 strcpy(card->mixername, "DICE"); 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 125 } 82fbb4f7b47683 sound/firewire/dice.c Clemens Ladisch 2011-09-04 126 :::::: The code at line 120 was first introduced by commit :::::: cbab328ddc78589233be8be2f1e6a5f9d97b81db ALSA: dice: fix device detection for other vendors :::::: TO: Clemens Ladisch <clemens@xxxxxxxxxx> :::::: CC: Clemens Ladisch <clemens@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
