diff --git a/backport-sort-don-t-trust-st_size-on-proc-files.patch b/backport-sort-don-t-trust-st_size-on-proc-files.patch
new file mode 100644
index 0000000000000000000000000000000000000000..210774e28df5f49becc7006e141419193fe56020
--- /dev/null
+++ b/backport-sort-don-t-trust-st_size-on-proc-files.patch
@@ -0,0 +1,32 @@
+From 8ff3903281e03d36dd1aa2a202a56f38af726d91 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Sat, 6 Apr 2024 15:17:14 -0700
+Subject: [PATCH] =?UTF-8?q?sort:=20don=E2=80=99t=20trust=20st=5Fsize=20on?=
+ =?UTF-8?q?=20/proc=20files?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Problem and fix reported by Takashi Kusumi in:
+https://bugs.gnu.org/70231
+* src/sort.c (sort_buffer_size): Don’t trust st_size == 0.
+---
+ src/sort.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/sort.c b/src/sort.c
+index e779845..b983ca2 100644
+--- a/src/sort.c
++++ b/src/sort.c
+@@ -1538,7 +1538,7 @@ sort_buffer_size (FILE *const *fps, size_t nfps,
+           != 0)
+         sort_die (_("stat failed"), files[i]);
+ 
+-      if (S_ISREG (st.st_mode))
++      if (usable_st_size (&st) && 0 < st.st_size)
+         file_size = st.st_size;
+       else
+         {
+-- 
+2.27.0
+
diff --git a/coreutils.spec b/coreutils.spec
index 0a83eac2798f9c3aae7c9e09caf17f62dca6f11e..c77daefd9a8cd3b2232971f5ce3d2e060152d2cb 100644
--- a/coreutils.spec
+++ b/coreutils.spec
@@ -1,6 +1,6 @@
 Name:       coreutils
 Version:    9.0
-Release:    13
+Release:    14
 License:    GPLv3+
 Summary:    A set of basic GNU tools commonly used in shell scripts
 Url:        https://www.gnu.org/software/coreutils/
@@ -41,6 +41,7 @@ Patch26:   backport-doc-od-strings-clarify-operation.patch
 Patch27:   backport-wc-port-to-kernels-that-disable-XSAVE-YMM.patch
 Patch28:   test-skip-overlay-filesystem-because-of-no-inotify_add_watch.patch
 Patch29:   fix-typo-in-zh_CN.patch
+Patch30:   backport-sort-don-t-trust-st_size-on-proc-files.patch
 
 %ifarch sw_64
 Patch13:   coreutils-9.0-sw.patch
@@ -171,6 +172,9 @@ fi
 %{_mandir}/man*/*
 
 %changelog
+* Wed Jun 12 2024 yanglongkang <yanglongkang@h-partners.com> - 9.0-14
+- sort: don't trust st_size on /proc files
+
 * Thu Nov 28 2023 jiangchuangang <jiangchuangang@huawei.com> - 9.0-13
 - fix typo in zh_CN.po