From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 27 Feb 2017 08:53:26 +0000 (+0100)
Subject: ucm parser: fix possible string overflow in uc_mgr_import_master_config()
X-Git-Tag: v1.1.4~23
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=ad188bbf7813eab6f42dcdf617aa947107118857;p=alsa-lib.git

ucm parser: fix possible string overflow in uc_mgr_import_master_config()
---

diff --git a/src/ucm/parser.c b/src/ucm/parser.c
index 798bf48e..b79b92db 100644
--- a/src/ucm/parser.c
+++ b/src/ucm/parser.c
@@ -1453,7 +1453,8 @@ int uc_mgr_import_master_config(snd_use_case_mgr_t *uc_mgr)
 		err = load_master_config(uc_mgr->card_name, &cfg);
 		if (err < 0)
 			return err;
-		strcpy(uc_mgr->conf_file_name, uc_mgr->card_name);
+		strncpy(uc_mgr->conf_file_name, uc_mgr->card_name, MAX_CARD_LONG_NAME);
+		uc_mgr->conf_file_name[MAX_CARD_LONG_NAME-1] = '\0';
 	}
 
 	err = parse_master_file(uc_mgr, cfg);