alsactl: fix potential buffer overwrite

The 'call to sprintf' operation on line 413 requires 21 bytes but the destination is only 16 bytes. Fixes: #247 Signed-off-by: Mingjie Shen <[email protected]> Signed-off-by: Jaroslav Kysela <[email protected]>
alsa-project · Dec 8, 2023 · 004d085 · 004d085
1 parent 8f3d84b
commit 004d085
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/alsactl/alsactl.c b/alsactl/alsactl.c
@@ -242,7 +242,7 @@ int main(int argc, char *argv[])
 	char *cfgfile = SYS_ASOUNDRC;
 	char *initfile = DATADIR "/init/00main";
 	char *pidfile = SYS_PIDFILE;
-	char *cardname, ncardname[16];
+	char *cardname, ncardname[21];
 	char *cmd;
 	char *const *extra_args;
 	const char *const *tmp;