From f1b0afde65c3f697bc8f77f50705b06e805402ee Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@nginx.com>
Date: Fri, 14 Aug 2020 16:53:56 +0300
Subject: [PATCH] QUIC: fixed leak of bytes_in_flight attributed to lost
 packets.

---
 src/event/ngx_event_quic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/event/ngx_event_quic.c b/src/event/ngx_event_quic.c
index 65b949387..a3189e264 100644
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@@ -3764,6 +3764,7 @@ ngx_quic_detect_lost(ngx_connection_t *c, ngx_uint_t ack)
                 q = ngx_queue_next(q);
 
                 ngx_queue_remove(&f->queue);
+                qc->congestion.in_flight -= f->len;
                 ngx_queue_insert_tail(&range, &f->queue);
 
             } while (q != ngx_queue_sentinel(&ctx->sent));