diff --git a/backport-fix-format-specifier-for-pointer-subtraction.patch b/backport-fix-format-specifier-for-pointer-subtraction.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f6027dbbf8d71ab97f1ee813c3628bdafebbee04
--- /dev/null
+++ b/backport-fix-format-specifier-for-pointer-subtraction.patch
@@ -0,0 +1,25 @@
+From 8de171d78e8ed4ec757e984a3832566c840c1928 Mon Sep 17 00:00:00 2001
+From: jiawenhao <jiawenhao@xfusion.com>
+Date: Thu, 17 Apr 2025 18:04:29 +0800
+Subject: [PATCH] fix-format-specifier-for-pointer-subtraction
+
+---
+ keyctl_watch.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/keyctl_watch.c b/keyctl_watch.c
+index a70a19a..1436c08 100644
+--- a/keyctl_watch.c
++++ b/keyctl_watch.c
+@@ -179,7 +179,7 @@ int consumer(FILE *log, FILE *gc, int fd)
+ 			memcpy(&n, p, largest);
+ 
+ 			if (debug)
+-				fprintf(stderr, "NOTIFY[%03zx]: ty=%06x sy=%02x i=%08x\n",
++				fprintf(stderr, "NOTIFY[%03tx]: ty=%06x sy=%02x i=%08x\n",
+ 					p - buffer, n.n.type, n.n.subtype, n.n.info);
+ 
+ 			len = n.n.info & WATCH_INFO_LENGTH;
+-- 
+2.27.0
+
diff --git a/keyutils.spec b/keyutils.spec
index cf86388774d1b4dc622acf58d3b715b5aaa7b469..994948364f8b712b05bae73ffb61711ff7687028 100644
--- a/keyutils.spec
+++ b/keyutils.spec
@@ -1,6 +1,6 @@
 Name:    keyutils
 Version: 1.6.3
-Release: 5
+Release: 6
 Summary: Utilities of Linux Key Management
 License: GPLv2+ and LGPLv2+
 
@@ -8,6 +8,7 @@ Url:     https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git
 Source0: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git/snapshot/keyutils-%{version}.tar.gz
 
 Patch9000: bugfix-fix-argv-string-out-of-bounds.patch
+Patch9001: backport-fix-format-specifier-for-pointer-subtraction.patch
 
 BuildRequires: gcc gcc-c++
 BuildRequires: glibc-kernheaders >= 2.4-9.1.92
@@ -96,6 +97,9 @@ make \
 %{_mandir}/man*/*
 
 %changelog
+* Thu Apr 17 2025 jiawenhao <jiawenhao@xfusion.com> - 1.6.3-6
+- DESC: Fix format specifier for pointer subtraction
+
 * Fri Aug 05 2022 xuraoqing <xuraoqing@huawei.com> - 1.6.3-5
 - DESC: fixed incorrect changelog time