From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 4 May 2022 07:05:04 +0000 (+0900)
Subject: sd-lldp: use memcpy_safe() as the buffer size may be zero
X-Git-Tag: v251-rc2~16^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F23260%2Fhead;p=thirdparty%2Fsystemd.git

sd-lldp: use memcpy_safe() as the buffer size may be zero
---

diff --git a/src/libsystemd-network/lldp-neighbor.c b/src/libsystemd-network/lldp-neighbor.c
index f8394c4374a..6672409d753 100644
--- a/src/libsystemd-network/lldp-neighbor.c
+++ b/src/libsystemd-network/lldp-neighbor.c
@@ -652,7 +652,8 @@ int sd_lldp_neighbor_from_raw(sd_lldp_neighbor **ret, const void *raw, size_t ra
         if (!n)
                 return -ENOMEM;
 
-        memcpy(LLDP_NEIGHBOR_RAW(n), raw, raw_size);
+        memcpy_safe(LLDP_NEIGHBOR_RAW(n), raw, raw_size);
+
         r = lldp_neighbor_parse(n);
         if (r < 0)
                 return r;