diff --git a/backport-util-fix-endless-loop-in-get_backoff_delta_msec.patch b/backport-util-fix-endless-loop-in-get_backoff_delta_msec.patch
new file mode 100644
index 0000000000000000000000000000000000000000..bcf041941d917a8ac217456bd3cb2614cf22f234
--- /dev/null
+++ b/backport-util-fix-endless-loop-in-get_backoff_delta_msec.patch
@@ -0,0 +1,54 @@
+From f14f2603820e46b1946d8f96eee10c99690aea82 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 29 Jun 2025 13:13:34 +0200
+Subject: [PATCH] util: fix endless loop in get_backoff_delta_msec
+
+If current time t is already past tend, the while loop in
+get_backoff_delta_msec never ends.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Link: https://github.com/kmod-project/kmod/pull/377
+Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
+---
+ shared/util.c | 23 +++++++++++++++--------
+ 1 file changed, 15 insertions(+), 8 deletions(-)
+
+diff --git a/shared/util.c b/shared/util.c
+index 17f6fd1..27e9130 100644
+--- a/shared/util.c
++++ b/shared/util.c
+@@ -504,16 +504,23 @@ unsigned long long get_backoff_delta_msec(unsigned long long t0,
+ 
+ 	t = now_msec();
+ 
+-	if (!*delta)
+-		*delta = 1;
+-	else
+-		*delta <<= 1;
++	if (tend <= t) {
++		/* Timeout already reached */
++		*delta = 0;
++	} else {
++		const unsigned long long limit = tend - t;
++
++		if (!*delta)
++			*delta = 1;
++		else
++			*delta <<= 1;
+ 
+-	while (t + *delta > tend)
+-		*delta >>= 1;
++		while (*delta > limit)
++			*delta >>= 1;
+ 
+-	if (!*delta && tend > t)
+-		*delta = tend - t;
++		if (!*delta)
++			*delta = limit;
++	}
+ 
+ 	return t + *delta;
+ }
+-- 
+2.43.0
+
diff --git a/kmod.spec b/kmod.spec
index c07fa0e760be71d88282149188eb314ef0d4d89a..ea7a503907a76f24d56f1ce8014d12c9b7f7d374 100644
--- a/kmod.spec
+++ b/kmod.spec
@@ -1,6 +1,6 @@
 Name:           kmod
 Version:        30
-Release:        9
+Release:        10
 Summary:        Kernel module management
 # GPLv2+ is used by programs, LGPLv2+ is used for libraries.
 License:        GPLv2+ and LGPLv2+
@@ -23,6 +23,7 @@ Patch0005:	backport-libkmod-fix-possible-out-of-bounds-memory-access.patch
 Patch0006:	backport-libkmod-clear-file-memory-if-map-fails.patch
 Patch0007:	backport-check-strtol-strtoul-strtoull-results.patch
 Patch0008:	backport-tools-modprobe-Fix-odd-remove-holders-behavior.patch
+Patch0009:	backport-util-fix-endless-loop-in-get_backoff_delta_msec.patch
 
 %description
 The kmod package provides several commands to manage the kernel modules,
@@ -130,6 +131,9 @@ make check
 %doc TODO NEWS README.md
 
 %changelog
+* Wed Oct 29 2025 liuh <liuhuan01@kylinos.cn> - 30-10
+- util: fix endless loop in get_backoff_delta_msec
+
 * Tue Aug 26 2025 zhangjian <zhangjian496@huawei.com> - 30-9
 - backport two patches from upstream