diff --git a/0023-proc-fix-proc-diskstats-output-format.patch b/0023-proc-fix-proc-diskstats-output-format.patch
new file mode 100644
index 0000000000000000000000000000000000000000..458e499e2e3a46f663f3ba4c361a813d3afb4235
--- /dev/null
+++ b/0023-proc-fix-proc-diskstats-output-format.patch
@@ -0,0 +1,91 @@
+From d928f8d073f87fdacaf9e93b616f5b84695036e3 Mon Sep 17 00:00:00 2001
+From: yangjiaqi <yangjiaqi16@huawei.com>
+Date: Wed, 22 Mar 2023 15:31:34 +0800
+Subject: [PATCH] proc: fix /proc/diskstats output format
+
+---
+ src/proc_fuse.c | 24 +++++++++++++++++++-----
+ 1 file changed, 19 insertions(+), 5 deletions(-)
+
+diff --git a/src/proc_fuse.c b/src/proc_fuse.c
+index fe81cad..ce22974 100644
+--- a/src/proc_fuse.c
++++ b/src/proc_fuse.c
+@@ -784,10 +784,10 @@ static int proc_diskstats_read(char *buf, size_t size, off_t offset,
+ 		memset(lbuf, 0, 256);
+ 		if (stats.read || stats.write || stats.read_merged || stats.write_merged ||
+ 		    stats.read_sectors || stats.write_sectors || stats.read_ticks ||
+-		    stats.write_ticks || stats.ios_pgr || stats.total_ticks || stats.rq_ticks ||
++		    stats.write_ticks || stats.ios_pgr || stats.total_ticks || stats.rq_ticks || stats.discard ||
+ 		    stats.discard_merged || stats.discard_sectors || stats.discard_ticks) {
+ 				if (need_record_diskstats(stats.major, stats.minor)) {
+-					sscanf(line, "%u %u %71s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
++					sscanf(line, "%u %u %71s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
+ 					&stats.major,
+ 					&stats.minor,
+ 					tmp_dev_name,
+@@ -802,11 +802,12 @@ static int proc_diskstats_read(char *buf, size_t size, off_t offset,
+ 					&stats.ios_pgr,
+ 					&stats.total_ticks,
+ 					&stats.rq_ticks,
++					&stats.discard,
+ 					&stats.discard_merged,
+ 					&stats.discard_sectors,
+ 					&stats.discard_ticks);
+ 				}
+-				snprintf(lbuf, 256, "%u       %u %s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
++				ret = snprintf(lbuf, 256, "%u       %u %s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
+ 				stats.major,
+ 				stats.minor,
+ 				stats.dev_name,
+@@ -821,11 +822,17 @@ static int proc_diskstats_read(char *buf, size_t size, off_t offset,
+ 				stats.ios_pgr,
+ 				stats.total_ticks,
+ 				stats.rq_ticks,
++				stats.discard,
+ 				stats.discard_merged,
+ 				stats.discard_sectors,
+ 				stats.discard_ticks);
++				if(ret >= 256) {
++				    lxcfs_error("Insufficient buffer for %u:%u %s diskstats",
++					    stats.major, stats.minor, stats.dev_name);
++				    continue;
++				}
+ 		} else if (need_record_diskstats(stats.major, stats.minor)) {
+-			sscanf(line, "%u %u %71s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
++			sscanf(line, "%u %u %71s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
+ 				&stats.major,
+ 				&stats.minor,
+ 				tmp_dev_name,
+@@ -840,10 +847,11 @@ static int proc_diskstats_read(char *buf, size_t size, off_t offset,
+ 				&stats.ios_pgr,
+ 				&stats.total_ticks,
+ 				&stats.rq_ticks,
++				&stats.discard,
+ 				&stats.discard_merged,
+ 				&stats.discard_sectors,
+ 				&stats.discard_ticks);
+-			snprintf(lbuf, 256, "%u       %u %s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
++			ret = snprintf(lbuf, 256, "%u       %u %s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
+ 				stats.major,
+ 				stats.minor,
+ 				stats.dev_name,
+@@ -858,9 +866,15 @@ static int proc_diskstats_read(char *buf, size_t size, off_t offset,
+ 				stats.ios_pgr,
+ 				stats.total_ticks,
+ 				stats.rq_ticks,
++				stats.discard,
+ 				stats.discard_merged,
+ 				stats.discard_sectors,
+ 				stats.discard_ticks);
++				if(ret >= 256) {
++				    lxcfs_error("Insufficient buffer for %u:%u %s diskstats",
++					    stats.major, stats.minor, stats.dev_name);
++				    continue;
++				}
+ 		} else {
+ 			continue;
+         }
+-- 
+2.30.0
+
diff --git a/lxcfs.spec b/lxcfs.spec
index b5e1ad9c5e52c27fe6dcc7d111326ae2166e0788..6b3dbfa3b321da1b8d0f634e0d6bd38c1d71847a 100644
--- a/lxcfs.spec
+++ b/lxcfs.spec
@@ -4,7 +4,7 @@
 #Basic Information
 Name:      lxcfs
 Version:   4.0.11
-Release:   7
+Release:   8
 Summary:   FUSE filesystem for LXC
 License:   LGPL 2.1+
 URL:       http://linuxcontainers.org
@@ -32,6 +32,7 @@ Patch9019: 0019-fix-dev-read-memory-leak-in-container.patch
 Patch9020: 0020-enable-cfs-option-to-show-correct-proc-cpuinfo-view.patch
 Patch9021: 0021-fix-pidfd_open-pidfd_send_signal-function-compilatio.patch
 Patch9022: 0022-cpuview-fix-possible-use-after-free-in-find_proc_sta.patch
+Patch9023: 0023-proc-fix-proc-diskstats-output-format.patch
 
 #Dependency
 BuildRequires: autoconf automake libtool help2man
@@ -93,6 +94,12 @@ fi
 %{_unitdir}/*
 
 %changelog
+* Wed Mar 22 2023 yangjiaqi <yangjiaqi16@huawei.com> - 4.0.11-8
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:fix /proc/diskstats output format
+
 * Wed Mar 22 2023 yangjiaqi <yangjiaqi16@huawei.com> - 4.0.11-7
 - Type:bugfix
 - CVE:NA