diff --git a/backport-checkpolicy-Improve-error-message-for-type-bounds.patch b/backport-checkpolicy-Improve-error-message-for-type-bounds.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7deb412f7b31c5e4ec0f378228647beb7b14e9ca
--- /dev/null
+++ b/backport-checkpolicy-Improve-error-message-for-type-bounds.patch
@@ -0,0 +1,32 @@
+From 1d33c911f514449bbc8cab71332752c22561b911 Mon Sep 17 00:00:00 2001
+From: Vit Mojzis <vmojzis@redhat.com>
+Date: Thu, 24 Nov 2022 17:31:52 +0100
+Subject: [PATCH] checkpolicy: Improve error message for type bounds
+
+Make the error message consistent with other occurrences of the
+same issue:
+https://github.com/SELinuxProject/selinux/blob/master/checkpolicy/module_compiler.c#L243
+https://github.com/SELinuxProject/selinux/blob/master/checkpolicy/module_compiler.c#L488
+
+Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
+Acked-by: James Carter <jwcart2@gmail.com>
+---
+ policy_define.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/policy_define.c b/policy_define.c
+index 41e44631..86d57017 100644
+--- a/policy_define.c
++++ b/policy_define.c
+@@ -1416,7 +1416,7 @@ static int define_typebounds_helper(char *bounds_id, char *type_id)
+ 	if (!type->bounds)
+ 		type->bounds = bounds->s.value;
+ 	else if (type->bounds != bounds->s.value) {
+-		yyerror2("type %s has inconsistent master {%s,%s}",
++		yyerror2("type %s has inconsistent bounds %s/%s",
+ 			 type_id,
+ 			 policydbp->p_type_val_to_name[type->bounds - 1],
+ 			 policydbp->p_type_val_to_name[bounds->s.value - 1]);
+-- 
+2.39.2.windows.1
+
diff --git a/backport-checkpolicy-delete-invalid-spaces.patch b/backport-checkpolicy-delete-invalid-spaces.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c4e960851f57dbf1058edc3aaba9f7f9abda26d7
--- /dev/null
+++ b/backport-checkpolicy-delete-invalid-spaces.patch
@@ -0,0 +1,60 @@
+From 27e1c7c8e90b98da53bfcce291b03d8f2f0f0b4d Mon Sep 17 00:00:00 2001
+From: lujiev <572084868@qq.com>
+Date: Thu, 27 Oct 2022 16:02:18 +0800
+Subject: [PATCH] checkpolicy: delete invalid spaces
+
+Closes: https://github.com/SELinuxProject/selinux/pull/372
+Signed-off-by: lujiev <572084868@qq.com>
+Acked-by: Jason Zaman <jason@perfinion.com>
+---
+ policy_define.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/policy_define.c b/policy_define.c
+index 86d57017..c2ae7fe5 100644
+--- a/policy_define.c
++++ b/policy_define.c
+@@ -2208,7 +2208,7 @@ static int avrule_ioctl_partialdriver(struct av_ioctl_range_list *rangelist,
+ 	xperms = calloc(1, sizeof(av_extended_perms_t));
+ 	if (!xperms) {
+ 		yyerror("out of memory");
+-		return - 1;
++		return -1;
+ 	}
+ 
+ 	r = rangelist;
+@@ -2245,7 +2245,7 @@ static int avrule_ioctl_completedriver(struct av_ioctl_range_list *rangelist,
+ 	xperms = calloc(1, sizeof(av_extended_perms_t));
+ 	if (!xperms) {
+ 		yyerror("out of memory");
+-		return - 1;
++		return -1;
+ 	}
+ 
+ 	r = rangelist;
+@@ -2289,7 +2289,7 @@ static int avrule_ioctl_func(struct av_ioctl_range_list *rangelist,
+ 	xperms = calloc(1, sizeof(av_extended_perms_t));
+ 	if (!xperms) {
+ 		yyerror("out of memory");
+-		return - 1;
++		return -1;
+ 	}
+ 
+ 	r = rangelist;
+@@ -2352,11 +2352,11 @@ static int avrule_cpy(avrule_t *dest, const avrule_t *src)
+ 	dest->flags = src->flags;
+ 	if (type_set_cpy(&dest->stypes, &src->stypes)) {
+ 		yyerror("out of memory");
+-		return - 1;
++		return -1;
+ 	}
+ 	if (type_set_cpy(&dest->ttypes, &src->ttypes)) {
+ 		yyerror("out of memory");
+-		return - 1;
++		return -1;
+ 	}
+ 	dest->line = src->line;
+ 	dest->source_filename = strdup(source_file);
+-- 
+2.39.2.windows.1
+
diff --git a/checkpolicy.spec b/checkpolicy.spec
index 588759428263c78f77c66b7d2668784180882416..176eb9c7fe7031b30263df6211d2856ff11b7a4c 100644
--- a/checkpolicy.spec
+++ b/checkpolicy.spec
@@ -1,11 +1,14 @@
 Name:          checkpolicy
 Version:       3.4
-Release:       1
+Release:       2
 Summary:       SELinux policy compiler
 License:       GPLv2
 URL:           https://github.com/SELinuxProject/selinux
 Source0:       https://github.com/SELinuxProject/selinux/releases/download/%{version}/checkpolicy-%{version}.tar.gz
 
+Patch0:        backport-checkpolicy-Improve-error-message-for-type-bounds.patch
+Patch1:        backport-checkpolicy-delete-invalid-spaces.patch
+
 BuildRequires: gcc byacc bison flex flex-static libsepol-static >= %{version} libselinux-devel >= %{version}
 
 Conflicts: selinux-policy-base < 3.13.1-138
@@ -54,6 +57,9 @@ install test/dispol %{buildroot}%{_bindir}/sedispol
 %{_mandir}/*/*
 
 %changelog
+* Fri Mar 10 2023 zhangchenfeng <zhangchenfeng1@huawei.com> - 3.4-2
+- backport upstrem bugfix
+
 * Thu Feb 2 2023 zhangguangzhi <zhangguangzhi3@huawei.com> - 3.4-1
 - update version to 3.4