From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 30 May 2019 01:32:36 +0000 (+0900)
Subject: dhcp4: use memdup_suffix0() instead of strndup() for binary data
X-Git-Tag: v243-rc1~343
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ea082dda716fd5adfe70bccffaeba70895c2364c;p=thirdparty%2Fsystemd.git

dhcp4: use memdup_suffix0() instead of strndup() for binary data

C.f. ac0a94f7438b49a0890d9806db1fa211a5bca10a.

Fixes #12693.
---

diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c
index c089b4278b1..17b2bb7aa4e 100644
--- a/src/libsystemd-network/sd-dhcp-lease.c
+++ b/src/libsystemd-network/sd-dhcp-lease.c
@@ -333,7 +333,7 @@ static int lease_parse_string(const uint8_t *option, size_t len, char **ret) {
                 if (memchr(option, 0, len - 1))
                         return -EINVAL;
 
-                string = strndup((const char *) option, len);
+                string = memdup_suffix0((const char *) option, len);
                 if (!string)
                         return -ENOMEM;