fix potential datetime overflow bug

Signed-off-by: Aakash Arayambeth <aarayambeth@bloomberg.net>
zwangBLP · Oct 13, 2023 · 210f609 · 210f609
1 parent 2783b19
commit 210f609
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/datetime/localtimedb.c b/datetime/localtimedb.c
@@ -2200,6 +2200,12 @@ static struct db_state *find_tz(const char *name)
     char key[NAME_KEY_MAX];
     tz_hash_entry_type *ptr;
 
+    if (strlen(name) > NAME_KEY_MAX) {
+        logmsg(LOGMSG_ERROR, "%s: key name too long. max: %d\n",
+                __func__, NAME_KEY_MAX);
+        return NULL;
+    }
+
     bzero(key, NAME_KEY_MAX);
     strcpy(key, name);