From a5fa0f9309f8e13777246eec518ae28ee770729c Mon Sep 17 00:00:00 2001
From: avg <avg@FreeBSD.org>
Date: Wed, 13 Sep 2017 10:57:52 +0000
Subject: [PATCH] 8590 memory leak in dsl_destroy_snapshots_nvl()

illumos/illumos-gate@e6ab4525d156c82445c116ecf6b2b874d5e9009d
https://github.com/illumos/illumos-gate/commit/e6ab4525d156c82445c116ecf6b2b874d5e9009d

https://www.illumos.org/issues/8590
  In dsl_destroy_snapshots_nvl(), "snaps_normalized" is not freed after it is
  added to "arg".

Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Steve Gonczi <steve.gonczi@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Author: Matthew Ahrens <mahrens@delphix.com>
---
 uts/common/fs/zfs/dsl_destroy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/uts/common/fs/zfs/dsl_destroy.c b/uts/common/fs/zfs/dsl_destroy.c
index b632070e39c6..133b47108cb2 100644
--- a/uts/common/fs/zfs/dsl_destroy.c
+++ b/uts/common/fs/zfs/dsl_destroy.c
@@ -501,6 +501,7 @@ dsl_destroy_snapshots_nvl(nvlist_t *snaps, boolean_t defer,
 		    nvpair_name(pair), B_TRUE);
 	}
 	fnvlist_add_nvlist(arg, "snaps", snaps_normalized);
+	fnvlist_free(snaps_normalized);
 	fnvlist_add_boolean_value(arg, "defer", defer);
 
 	nvlist_t *wrapper = fnvlist_alloc();