From 56a11126e8ce2bc643806a2e1263a512a595fde0 Mon Sep 17 00:00:00 2001
From: Roman Arutyunyan <arut@nginx.com>
Date: Tue, 9 Feb 2021 14:31:36 +0300
Subject: [PATCH] QUIC: fixed logging ACK frames.

Previously, the wrong end pointer was used, which could lead to errors
"quic failed to parse ack frame gap".
---
 src/event/quic/ngx_event_quic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/event/quic/ngx_event_quic.c b/src/event/quic/ngx_event_quic.c
index b3a20ecf1..6159e87e1 100644
--- a/src/event/quic/ngx_event_quic.c
+++ b/src/event/quic/ngx_event_quic.c
@@ -464,7 +464,7 @@ ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx)
 
         if (f->data) {
             pos = f->data->buf->pos;
-            end = f->data->buf->end;
+            end = f->data->buf->last;
 
         } else {
             pos = NULL;