diff --git a/0004-Fix-end_input-usage-in-do_resizepart.patch b/0004-Fix-end_input-usage-in-do_resizepart.patch
new file mode 100644
index 0000000000000000000000000000000000000000..79ed9e5c9e7b6c33b4e4a716195baf5f2c2323f4
--- /dev/null
+++ b/0004-Fix-end_input-usage-in-do_resizepart.patch
@@ -0,0 +1,34 @@
+From bd7a18b1bfe44ccdb2733d14bdd493b823c546bc Mon Sep 17 00:00:00 2001
+From: "Brian C. Lane" <bcl@redhat.com>
+Date: Tue, 23 Apr 2019 13:52:25 -0700
+Subject: [PATCH] Fix end_input usage in do_resizepart
+
+It needs to be set to NULL, since it may not get set by the call to
+command_line_get_sector
+---
+ parted/parted.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/parted/parted.c b/parted/parted.c
+index 9dcdb05..df0c7ed 100644
+--- a/parted/parted.c
++++ b/parted/parted.c
+@@ -1545,6 +1545,7 @@ do_resizepart (PedDevice** dev, PedDisk** diskp)
+         PedGeometry             *range_end = NULL;
+         PedConstraint*          constraint;
+         int rc = 0;
++        char*                   end_input = NULL;
+ 
+         if (!disk) {
+                 disk = ped_disk_new (*dev);
+@@ -1565,7 +1566,6 @@ do_resizepart (PedDevice** dev, PedDisk** diskp)
+ 
+         start = part->geom.start;
+         end = oldend = part->geom.end;
+-        char *end_input;
+         if (!command_line_get_sector (_("End?"), *dev, &end, &range_end, &end_input))
+                 goto error;
+         _adjust_end_if_iec(&start, &end, range_end, end_input);
+-- 
+1.8.3.1
+
diff --git a/parted.spec b/parted.spec
index 7bfd75fb63a0b7618a8bbe6e8b6b4f452503398f..b1a4f04195cf8f27a69a7688958290837e0e7c8b 100644
--- a/parted.spec
+++ b/parted.spec
@@ -14,7 +14,7 @@
 Summary:   The GNU disk partition manipulation program
 Name:      parted
 Version:   3.3
-Release:   5
+Release:   6
 URL:       https://www.gnu.org/software/parted/
 Source0:   ftp://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
 Source1:   ftp://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz.sig
@@ -29,6 +29,7 @@ Patch0: 0000-Switch-gpt-header-move-and-msdos-overlap-to-python3.patch
 Patch1: 0001-add-support-of-gpt_sync_mbr.patch
 Patch2: 0002-Add-extra-judgment-for-a-partition-created-success.patch
 Patch3: 0003-bugfix-parted-fix-failure-of-mklabel-gpt_sync_mbr.patch
+Patch4: 0004-Fix-end_input-usage-in-do_resizepart.patch
 
 %description
 The GNU Parted program allows you to create, destroy, resize, move,
@@ -113,6 +114,9 @@ fi
 %{_libdir}/pkgconfig/libparted*.pc
 
 %changelog
+* Sun Jul 12 2020 Zhiqiang Liu <lzhq28@mail.ustc.edu.cn> - 3.3-6
+- backport bugfix patches
+
 * Sun Jul 5 2020 Zhiqiang Liu <lzhq28@mail.ustc.edu.cn> - 3.3-5
 - remove useless readme files