From afb27ad054206a7e9ceb8ed85f7e54d7173ce9c4 Mon Sep 17 00:00:00 2001 From: Vladimir Olteanu Date: Wed, 5 Jul 2017 05:37:20 +0300 Subject: [PATCH] count length bit when checking buffer size --- src/local.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/local.c b/src/local.c index aa692051..0f10047c 100644 --- a/src/local.c +++ b/src/local.c @@ -588,8 +588,8 @@ server_recv_cb(EV_P_ ev_io *w, int revents) } } else if (atyp == 3) { // Domain name - uint8_t name_len = *(uint8_t *)(buf->data + 4); - if (buf->len < request_len + name_len + 2) { + uint8_t name_len = *(uint8_t *)(buf->data + request_len); + if (buf->len < request_len + 1 + name_len + 2) { return; } abuf->data[abuf->len++] = name_len;