From 78fd04adcf398a00549c4912f68eff77c94ab6c0 Mon Sep 17 00:00:00 2001
From: Max Romanov <max.romanov@nginx.com>
Date: Fri, 7 Aug 2020 15:06:18 +0300
Subject: [PATCH] Fixing listen event connection leakage.

A connection object is allocated in advance for each listen event object to be
used for the established connection.  This connection needs to be freed when the
listen event is destroyed.
---
 src/nxt_router.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/nxt_router.c b/src/nxt_router.c
index d4d037e1..b3e326d0 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -3178,6 +3178,10 @@ nxt_router_listen_event_release(nxt_task_t *task, nxt_listen_event_t *lev,
     nxt_debug(task, "listen event count: %D", lev->count);
 
     if (--lev->count == 0) {
+        if (lev->next != NULL) {
+            nxt_conn_free(task, lev->next);
+        }
+
         nxt_free(lev);
     }