tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next head: 9b5f8ee43e48c25fbe1a10163ec04343d750acd0 commit: e29e504e7890b9ee438ca6370d0180d607c473f9 [6/10] ALSA: ump: Indicate the inactive group in legacy substream names config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20241130/202411300103.FrGuTAYp-lkp@i...) compiler: alpha-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241130/202411300103.FrGuTAYp-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202411300103.FrGuTAYp-lkp@intel.com/

All warnings (new ones prefixed by >>):

sound/core/ump.c: In function 'fill_substream_names':

...

sound/core/ump.c:1259:69: warning: '%s' directive output may be truncated writing up to 11 bytes into a region of size between 4 and 22 [-Wformat-truncation=]

1259 | snprintf(s->name, sizeof(s->name), "Group %d (%.16s)%s", | ^~ sound/core/ump.c:1259:17: note: 'snprintf' output between 11 and 40 bytes into a destination of size 32 1259 | snprintf(s->name, sizeof(s->name), "Group %d (%.16s)%s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1260 | idx + 1, name, | ~~~~~~~~~~~~~~ 1261 | ump->groups[idx].active ? "" : " [Inactive]"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +1259 sound/core/ump.c

1246 1247 static void fill_substream_names(struct snd_ump_endpoint *ump, 1248 struct snd_rawmidi *rmidi, int dir) 1249 { 1250 struct snd_rawmidi_substream *s; 1251 const char *name; 1252 int idx; 1253 1254 list_for_each_entry(s, &rmidi->streams[dir].substreams, list) { 1255 idx = ump->legacy_mapping[s->number]; 1256 name = ump->groups[idx].name; 1257 if (!*name) 1258 name = ump->info.name;

1259 snprintf(s->name, sizeof(s->name), "Group %d (%.16s)%s",

1260 idx + 1, name, 1261 ump->groups[idx].active ? "" : " [Inactive]"); 1262 } 1263 } 1264