diff --git a/0018-fix-memory-leak-in-file-mdadm.patch b/0018-fix-memory-leak-in-file-mdadm.patch
new file mode 100644
index 0000000000000000000000000000000000000000..88cda167941af68d40c1ca607c7f862af4749bf5
--- /dev/null
+++ b/0018-fix-memory-leak-in-file-mdadm.patch
@@ -0,0 +1,34 @@
+From e62a561ee8b7157a2390eab215dcef6240bd7b03 Mon Sep 17 00:00:00 2001
+From: Guanqin Miao <miaoguanqin@huawei.com>
+Date: Mon, 24 Apr 2023 16:06:37 +0800
+Subject: 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>
+---
+ mdadm.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/mdadm.c b/mdadm.c
+index 26299b2..f0016f6 100644
+--- a/mdadm.c
++++ b/mdadm.c
+@@ -1775,6 +1775,10 @@ 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);
+-- 
+2.27.0
+
diff --git a/mdadm.spec b/mdadm.spec
index e57ee7b800e90da416810d1f70fc1f7d1ca32ac8..fd4647b15e120de87a4efe358ca2d91450fd4abe 100644
--- a/mdadm.spec
+++ b/mdadm.spec
@@ -1,6 +1,6 @@
 Name:     mdadm
 Version:  4.2
-Release:  14
+Release:  15
 Summary:  The software RAID arrays user manage tools
 License:  GPLv2+
 URL:      http://www.kernel.org/pub/linux/utils/raid/mdadm/
@@ -27,6 +27,7 @@ Patch14: 0014-Fix-race-of-mdadm-add-and-mdadm-incremental.patch
 Patch15: 0015-mdadm-Fix-double-free.patch
 Patch16: 0016-Mdmonitor-Fix-segfault.patch
 Patch17: 0017-mdmon-fix-segfault.patch
+Patch18: 0018-fix-memory-leak-in-file-mdadm.patch
 
 BuildRequires:    systemd gcc binutils libudev-devel
 
@@ -93,6 +94,9 @@ install -d -m 710 %{buildroot}/var/run/mdadm/
 %{_mandir}/man*/*
 
 %changelog
+* Thu Jun 6 2024 zhangyaqi <zhangyaqi@kylinos.cn> - 4.2-15
+- fix memory leak in file mdadm
+
 * Wed May 15 2024 Deyuan Fan <fandeyuan@kylinos.cn> - 4.2-14
 - mdmon: fix segfault