fix memleak in vgchange

(cherry picked from commit 833473d1ce8082c5934771d937dd29a8531c1e20)

0019-fix-memleak-in-vgchange.patch

@@ -0,0 +1,28 @@
+From 7ec97ed5f2b95585eb1538ee6edeedb7275101eb Mon Sep 17 00:00:00 2001
+From: Zdenek Kabelac <zkabelac@redhat.com>
+Date: Wed, 12 Jul 2023 14:15:41 +0200
+Subject: [PATCH] cov: fix memleak in vgchange
+
+Release allocated  vgname from get_single_vgname_cmd_arg()
+when it is not returned via *vgname_ret.
+
+---
+ tools/vgchange.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/tools/vgchange.c b/tools/vgchange.c
+index 63861b5..7a53a7f 100644
+--- a/tools/vgchange.c
++++ b/tools/vgchange.c
+@@ -863,6 +863,8 @@ static int _vgchange_autoactivation_setup(struct cmd_context *cmd,
+ 		*flags &= ~READ_WITHOUT_LOCK;
+ 		cmd->can_use_one_scan = 0;
+ 	}
++
++	free(vgname);
+ 	return 1;
+ 
+ }
+-- 
+2.27.0
+

lvm2.spec

@@ -43,7 +43,7 @@
 
 Name:      lvm2
 Version:   2.03.21
-Release:   8
+Release:   9
 Epoch:     8
 Summary:   Tools for logical volume management
 License:   GPLv2+ and LGPLv2.1 and BSD
@@ -67,6 +67,7 @@ Patch15:   0015-vgchange-acquire-an-exclusive-VG-lock-for-refresh.patch
 Patch16:   0016-dm-event-release-buffer-on-dm_event_get_version.patch
 Patch17:   0017-clean-up-group-struct-in-_stats_create_group-error-path.patch
 Patch18:   0018-do-not-pass-empty-string-in-callback.patch
+Patch19:   0019-fix-memleak-in-vgchange.patch
 
 BuildRequires: gcc
 BuildRequires: gcc-c++
@@ -493,6 +494,9 @@ fi
 
 
 %changelog
+* Thu May 9 2024 yanshuai <yanshuai@kylinos.cn> - 8:2.03.21-9
+- cov: fix memleak in vgchange
+
 * Tue May 7 2024 yanshuai <yanshuai@kylinos.cn> - 8:2.03.21-8
 - pool: do not pass empty string in callback