diff --git a/backport-check-whether-savedptr-is-NULL-before-invoking-strle.patch b/backport-check-whether-savedptr-is-NULL-before-invoking-strle.patch
new file mode 100644
index 0000000..1057ba1
--- /dev/null
+++ b/backport-check-whether-savedptr-is-NULL-before-invoking-strle.patch
@@ -0,0 +1,31 @@
+From 522883505d3b02e3294f045f49007b61c00e2c31 Mon Sep 17 00:00:00 2001
+From: Chao Liu <liuchao173@huawei.com>
+Date: Wed, 8 Jun 2022 10:04:02 +0800
+Subject: [PATCH] check whether savedptr is NULL before invoking strlen
+
+Reference: https://github.com/Irqbalance/irqbalance/commit/522883505d3b02e3294f045f49007b61c00e2c31
+Conflict: NA
+
+savedptr can be null in musl libc, so the strlen(NULL) will segfault
+
+Signed-off-by: Chao Liu <liuchao173@huawei.com>
+---
+ procinterrupts.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/procinterrupts.c b/procinterrupts.c
+index 9015177..57c8801 100644
+--- a/procinterrupts.c
++++ b/procinterrupts.c
+@@ -178,7 +178,7 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
+ 	}
+ 
+ #ifdef AARCH64
+-	if (strlen(savedptr) > 0) {
++	if (savedptr && strlen(savedptr) > 0) {
+ 		snprintf(irq_fullname, PATH_MAX, "%s %s", last_token, savedptr);
+ 		tmp = strchr(irq_fullname, '\n');
+ 		if (tmp)
+-- 
+2.33.0
+
diff --git a/irqbalance.spec b/irqbalance.spec
index e6c97e8..0bd3a15 100644
--- a/irqbalance.spec
+++ b/irqbalance.spec
@@ -1,7 +1,7 @@
 Summary:        A dynamic adaptive IRQ balancing daemon
 Name:           irqbalance
 Version:        1.7.0
-Release:        18
+Release:        19
 Epoch:          3
 License:        GPLv2
 Source0:        https://github.com/Irqbalance/irqbalance/archive/irqbalance-%{version}.tar.gz
@@ -37,6 +37,7 @@ Patch6012: backport-Add-0-to-the-end-of-strings-to-avoid-heap-buffer-ove.patch
 Patch6013: backport-Fix-parse_proc_interrupts-fix-parsing-interrupt-counts.patch
 Patch6014: backport-Fix-add-keep_going-check-to-prevent-irqbalance-from-failing-to-exit-after-SIGTERM.patch
 Patch6015: backport-fix-opendir-fails-in-check_platform_device.patch
+Patch6016: backport-check-whether-savedptr-is-NULL-before-invoking-strle.patch
 
 %description
 Irqbalance is a daemon to help balance the cpu load generated by
@@ -94,6 +95,12 @@ fi
 /sbin/chkconfig --del %{name} >/dev/null 2>&1 || :
 
 %changelog
+* Thu Jan 5 2023 qinyu <qinyu32@huawei.com> - 3:1.7.0-19
+- Type:bugfix
+- ID:NA
+- SUG:restart
+- DESC: check whether savedptr is NULL before invoking strlen
+
 * Thu Jan 5 2023 qinyu <qinyu32@huawei.com> - 3:1.7.0-18
 - Type:bugfix
 - ID:NA