diff --git a/backport-lib-strutils-fix-parse_size-for-large-numbers.patch b/backport-lib-strutils-fix-parse_size-for-large-numbers.patch
new file mode 100644
index 0000000000000000000000000000000000000000..66c71c89f937cc502a510a5ddf58238135c9c9d9
--- /dev/null
+++ b/backport-lib-strutils-fix-parse_size-for-large-numbers.patch
@@ -0,0 +1,52 @@
+From 191836bec292547393e8dd5e8d5148e8dbfa210b Mon Sep 17 00:00:00 2001
+From: Karel Zak <kzak@redhat.com>
+Date: Mon, 18 May 2020 13:34:55 +0200
+Subject: [PATCH] lib/strutils: fix parse_size() for large numbers
+
+For example
+  ./test_strutils  --size '1.0000000000000000000000000000018000000000000000010M'
+  ./test_strutils  --size '1.18446744073709551615M'
+
+ends with infinite loop due to frac_div variable overflow.
+
+Addresses: https://github.com/karelzak/util-linux/issues/1023
+Signed-off-by: Karel Zak <kzak@redhat.com>
+---
+ lib/strutils.c | 18 ++++++++++++++----
+ 1 file changed, 14 insertions(+), 4 deletions(-)
+
+diff --git a/lib/strutils.c b/lib/strutils.c
+index 609ef0860..ce8799dd1 100644
+--- a/lib/strutils.c
++++ b/lib/strutils.c
+@@ -173,13 +173,23 @@ check_suffix:
+ 
+ 		/* maximal divisor for last digit (e.g. for 0.05 is
+ 		 * frac_div=100, for 0.054 is frac_div=1000, etc.)
++		 *
++		 * Reduce frac if too large.
+ 		 */
+-		while (frac_div < frac)
+-			frac_div *= 10;
++		while (frac_div < frac) {
++			if (frac_div <= UINTMAX_MAX/10)
++				frac_div *= 10;
++			else
++				frac /= 10;
++		}
+ 
+ 		/* 'frac' is without zeros (5 means 0.5 as well as 0.05) */
+-		for (i = 0; i < frac_zeros; i++)
+-			frac_div *= 10;
++		for (i = 0; i < frac_zeros; i++) {
++			if (frac_div <= UINTMAX_MAX/10)
++				frac_div *= 10;
++			else
++				frac /= 10;
++		}
+ 
+ 		/*
+ 		 * Go backwardly from last digit and add to result what the
+-- 
+2.23.0
+
diff --git a/util-linux.spec b/util-linux.spec
index 76d2048900fa5f03a4a310a7aadb3694f265f100..a916af536491b2b20ff406c0fcd071a48c544c69 100644
--- a/util-linux.spec
+++ b/util-linux.spec
@@ -2,7 +2,7 @@
 
 Name:           util-linux
 Version:        2.35.2
-Release:        8
+Release:        9
 Summary:        A random collection of Linux utilities
 License:        GPLv2 and GPLv2+ and LGPLv2+ and BSD with advertising and Public Domain
 URL:            https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git
@@ -58,6 +58,7 @@ Patch19:        backpaort-fix-rounding-in-size_to_human_string.patch
 Patch20:        backpaort-fix-uint64_t-overflow.patch
 Patch21:        backpaort-update-fdisk-outputs-due-to-sizes-rounding-change.patch
 Patch6000:      backport-CVE-2021-37600.patch
+Patch6001:      backport-lib-strutils-fix-parse_size-for-large-numbers.patch
 
 Patch9000:	Add-check-to-resolve-uname26-version-test-failed.patch
 
@@ -407,6 +408,12 @@ fi
 %{_mandir}/man8/{swapoff.8*,swapon.8*,switch_root.8*,umount.8*,wdctl.8.gz,wipefs.8*,zramctl.8*}
 
 %changelog
+* Wed Dec 8 2021 yangmingtai<yangmingtai@huawei.com> - 2.35.2-9
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix parse_size for large numbers
+
 * Tue Aug 10 2021 shixuantong<shixuantong@huawei.com> - 2.35.2-8
 - Type:CVE
 - ID:CVE-2021-37600