diff --git a/0018-fix-deadlock-problem-when-subprocess-exit.patch b/0018-fix-deadlock-problem-when-subprocess-exit.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c52b6336b694ffb4a41f2406a9a3c4e790a70e8d
--- /dev/null
+++ b/0018-fix-deadlock-problem-when-subprocess-exit.patch
@@ -0,0 +1,25 @@
+From 4ad5ee6eafcdef8178adf1cea53ab8a617d3fd78 Mon Sep 17 00:00:00 2001
+From: yangjiaqi <yangjiaqi16@huawei.com>
+Date: Wed, 15 Dec 2021 17:19:01 +0800
+Subject: [PATCH] fix deadlock problem when subprocess exit
+
+---
+ src/proc_fuse.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/proc_fuse.c b/src/proc_fuse.c
+index d02f841..0f66c40 100644
+--- a/src/proc_fuse.c
++++ b/src/proc_fuse.c
+@@ -563,7 +563,7 @@ struct devinfo* container_dev_read(pid_t pid) {
+ 		fflush(stream);
+ child_out:
+ 		fclose(stream);
+-		exit(0);
++		_exit(EXIT_SUCCESS);
+ 	}
+ 
+ 	close(mypipe[1]);
+-- 
+2.32.0 (Apple Git-132)
+
diff --git a/lxcfs.spec b/lxcfs.spec
index 4580571a0021fb638dc9c92bdf3297295cfa2d50..44698d47016a8e6e66b29d028ec8a48c6308c057 100644
--- a/lxcfs.spec
+++ b/lxcfs.spec
@@ -4,7 +4,7 @@
 #Basic Information
 Name:      lxcfs
 Version:   4.0.11
-Release:   1
+Release:   2
 Summary:   FUSE filesystem for LXC
 License:   LGPL 2.1+
 URL:       http://linuxcontainers.org
@@ -27,6 +27,7 @@ Patch9014: 0014-fix-proc-diskstats-show-in-container.patch
 Patch9015: 0015-lxcfs-adapt-4.18-kernel.patch
 Patch9016: 0016-remove-lxcfs-tools-dependency-for-common-use.patch
 Patch9017: 0017-proc_fuse-fix-wait-child-process-hang.patch
+Patch9018: 0018-fix-deadlock-problem-when-subprocess-exit.patch
 
 #Dependency
 BuildRequires: autoconf automake libtool help2man
@@ -88,6 +89,9 @@ fi
 %{_unitdir}/*
 
 %changelog
+* Fri Dec 17 2021 yangjiaqi <yangjiaqi16@huawei.com> - 4.0.11-2
+- fix deadlock caused by subprocess calling lxcfs_exit
+
 * Sat Nov 27 2021 yangjiaqi <yangjiaqi16@huawei.com> - 4.0.11-1
 - update to 4.0.11