From: Guanqin Miao <miaoguanqin@huawei.com>
Date: Mon, 24 Apr 2023 08:06:37 +0000 (+0800)
Subject: Fix memory leak in file mdadm
X-Git-Tag: mdadm-4.3~39
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e62a561ee8b7157a2390eab215dcef6240bd7b03;p=thirdparty%2Fmdadm.git

Fix memory leak in file mdadm

When we test mdadm with asan, we found some memory leaks in mdadm.c
We fix these memory leaks based on code logic.

Signed-off-by: Guanqin Miao <miaoguanqin@huawei.com>
Signed-off-by: Li Xiao Keng <lixiaokeng@huawei.com>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
---

diff --git a/mdadm.c b/mdadm.c
index e32598cb..22d1c53b 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1708,6 +1708,10 @@ int main(int argc, char *argv[])
 		autodetect();
 		break;
 	}
+	if (ss) {
+		ss->ss->free_super(ss);
+		free(ss);
+	}
 	if (locked)
 		cluster_release_dlmlock();
 	close_fd(&mdfd);