diff --git a/aide.spec b/aide.spec
index a3aa77fbb76b5750eac672e6807a4829b0ccc49c..69df5789b8c41d662027fae664f2a8dc4cb566f0 100644
--- a/aide.spec
+++ b/aide.spec
@@ -2,7 +2,7 @@
 
 Name:       aide
 Version:    0.17.4
-Release:    5
+Release:    6
 Summary:    Advanced Intrusion Detection Environment
 License:    GPLv2+
 URL:        http://sourceforge.net/projects/aide
@@ -27,6 +27,7 @@ Patch2:    backport-Fix-handling-of-duplicate-database-entries.patch
 Patch3:    backport-Switch-from-PCRE-to-PCRE2-closes-116.patch
 Patch4:    backport-Fix-condition-for-error-message-of-failing-to-open-g.patch
 Patch5:    backport-Use-signal-safe-write-function-in-signal-handler.patch
+Patch6:    backport-Handle-SIGUSR1-only-after-config-parsing.patch
 
 %description
 AIDE (Advanced Intrusion Detection Environment, [eyd]) is a file and directory integrity checker.
@@ -82,6 +83,12 @@ make check
 %{_mandir}/*/*
 
 %changelog
+* Thu Apr 17 2025 yixiangzhike <yixiangzhike007@163.com> - 0.17.4-6
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: backport upstream patch to fix double free for SIGUSR1
+
 * Thu Jan 9 2025 yixiangzhike <yixiangzhike007@163.com> - 0.17.4-5
 - Type:bugfix
 - ID:NA
diff --git a/backport-Handle-SIGUSR1-only-after-config-parsing.patch b/backport-Handle-SIGUSR1-only-after-config-parsing.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2f3b9fc8b7502967aeb3e94966bee98f62d978f4
--- /dev/null
+++ b/backport-Handle-SIGUSR1-only-after-config-parsing.patch
@@ -0,0 +1,52 @@
+From 04b51aa49461a2e762a7d363cabcd73718023250 Mon Sep 17 00:00:00 2001
+From: Hannes von Haugwitz <hannes@vonhaugwitz.com>
+Date: Tue, 25 Mar 2025 19:19:37 +0100
+Subject: [PATCH] Handle SIGUSR1 only after config parsing
+
+* closes: #181
+---
+ src/aide.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/src/aide.c b/src/aide.c
+index e935794..beb8c01 100644
+--- a/src/aide.c
++++ b/src/aide.c
+@@ -91,14 +91,11 @@ static void usage(int exitvalue)
+ 
+ static void sig_handler(int);
+ 
+-static void init_sighandler()
++static void init_db_sighandler()
+ {
+   signal(SIGBUS,sig_handler);
+   signal(SIGTERM,sig_handler);
+-  signal(SIGUSR1,sig_handler);
+   signal(SIGHUP,sig_handler);
+-
+-  return;
+ }
+ 
+ static void sig_handler(int signum)
+@@ -557,7 +554,7 @@ int main(int argc,char**argv)
+   textdomain(PACKAGE);
+ #endif
+   umask(0177);
+-  init_sighandler();
++  init_db_sighandler();
+ 
+   setdefaults_before_config();
+ 
+@@ -584,6 +581,9 @@ int main(int argc,char**argv)
+ 
+   setdefaults_after_config();
+ 
++  log_msg(LOG_LEVEL_DEBUG, "initialize signal handler for SIGUSR1");
++  signal(SIGUSR1,sig_handler);
++
+   log_msg(LOG_LEVEL_CONFIG, "report_urls:");
+   log_report_urls(LOG_LEVEL_CONFIG);
+ 
+-- 
+2.33.0
+