From 55a27027d5f024a0ecc2c23c81ed99de6192c9f3 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 3 May 2019 22:20:37 +0200
Subject: [PATCH] tftp: use the current blksize for recvfrom()

bug: https://curl.haxx.se/docs/CVE-2019-5436.html
Reported-by: l00p3r on hackerone
CVE-2019-5436

Upstream-commit: 2576003415625d7b5f0e390902f8097830b82275
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 lib/tftp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/tftp.c b/lib/tftp.c
index 269b3cd..4f2a131 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -1005,7 +1005,7 @@ static CURLcode tftp_connect(struct connectdata *conn, bool *done)
   state->sockfd = state->conn->sock[FIRSTSOCKET];
   state->state = TFTP_STATE_START;
   state->error = TFTP_ERR_NONE;
-  state->blksize = TFTP_BLKSIZE_DEFAULT;
+  state->blksize = blksize;
   state->requested_blksize = blksize;
 
   ((struct sockaddr *)&state->local_addr)->sa_family =
-- 
2.20.1