From f3ddc7444285a0144b8265771ea26198191948ec Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 9 Feb 2022 16:03:45 -0800 Subject: [PATCH] uuid: Fix crashing if a NULL string is passed to bt_string_to_uuid bt_string_to_uuid shall chack if the string is valid before attempting to access its contents. --- lib/uuid.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/uuid.c b/lib/uuid.c index 3d97dc835..1d2e1f732 100644 --- a/lib/uuid.c +++ b/lib/uuid.c @@ -251,6 +251,9 @@ static int bt_string_to_uuid128(bt_uuid_t *uuid, const char *string) int bt_string_to_uuid(bt_uuid_t *uuid, const char *string) { + if (!string) + return -EINVAL; + if (is_base_uuid128(string)) return bt_string_to_uuid16(uuid, string + 4); else if (is_uuid128(string)) -- 2.47.3