copy truncated value, not all of it

diff --git a/src/protocols/dhcpv6/encode.c b/src/protocols/dhcpv6/encode.c
index b3a896392f23d0883ec164ec061bb95bcb91cccb..c92c9dae9f2f1b3a79bdcdac44e4407c4e494ee6 100644 (file)
--- a/src/protocols/dhcpv6/encode.c
+++ b/src/protocols/dhcpv6/encode.c
@@ -245,7 +245,7 @@ static ssize_t encode_value(uint8_t *out, size_t outlen,
                        memcpy(p, vp->vp_ptr, vp->vp_length);
                        memset(p + vp->vp_length, 0, slen - vp->vp_length);
                } else {
-                       memcpy(p, vp->vp_ptr, vp->vp_length);
+                       memcpy(p, vp->vp_ptr, slen);
                }
                p += slen;
                break;