From 55dede5b6f730882d79f994138f0f23a7b28b119 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Thu, 7 May 2020 03:49:24 +0200
Subject: [PATCH] unix: fix memory leak when uv_loop_init() fails

`uv_signal_init()` leads to the allocation of an IO watcher,
so if the loop initialization fails at a later point,
the `loop->watchers` list needs to be released.

PR-URL: https://github.com/libuv/libuv/pull/2837
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
---
 src/unix/loop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/unix/loop.c b/src/unix/loop.c
index c2a03d77..e5b28895 100644
--- a/src/unix/loop.c
+++ b/src/unix/loop.c
@@ -106,6 +106,8 @@ fail_rwlock_init:
 fail_signal_init:
   uv__platform_loop_delete(loop);
 
+  uv__free(loop->watchers);
+  loop->nwatchers = 0;
   return err;
 }