From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 22 Jun 2020 07:02:11 +0000 (+0200)
Subject: ucm: fix the possible buffer overflow (substitution)
X-Git-Tag: android-x86-8.1-r6~254
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=089bb8762fd59333670e99a0938e65d613679907;p=android-x86%2Fexternal-alsa-lib.git

ucm: fix the possible buffer overflow (substitution)

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/ucm/ucm_subs.c b/src/ucm/ucm_subs.c
index e6af5022..293426f2 100644
--- a/src/ucm/ucm_subs.c
+++ b/src/ucm/ucm_subs.c
@@ -334,7 +334,7 @@ __match2:
 		tmp = strchr(value + idsize, '}');
 		if (tmp) {
 			rvalsize = tmp - (value + idsize);
-			if (rvalsize > sizeof(v2)) {
+			if (rvalsize >= sizeof(v2)) {
 				err = -ENOMEM;
 				goto __error;
 			}