From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Wed, 17 Jan 2018 11:21:09 +0000 (+0100)
Subject: utils: check suffix length
X-Git-Tag: lxc-3.0.0.beta1~76^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2229b24f93797b459aba479a80fc4c244f92302;p=thirdparty%2Flxc.git

utils: check suffix length

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index cbf16cb62..a20e4b715 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -2412,10 +2412,10 @@ int parse_byte_size_string(const char *s, int64_t *converted)
 	else
 		return -EINVAL;
 
-	if ((end - 2) == dup && !isdigit(*(end - 2)))
+	if (suffix_len > 0 && (end - 2) == dup && !isdigit(*(end - 2)))
 		return -EINVAL;
 
-	if (isalpha(*(end - 2))) {
+	if (suffix_len > 0 && isalpha(*(end - 2))) {
 		if (suffix_len == 1)
 			suffix_len++;
 		else