diff --git a/backport-Fix-potential-Null-pointer-dereference-in-regress_buffer.c.patch b/backport-Fix-potential-Null-pointer-dereference-in-regress_buffer.c.patch
new file mode 100644
index 0000000000000000000000000000000000000000..894b3714013510376262e6b8e785efa9b58534f4
--- /dev/null
+++ b/backport-Fix-potential-Null-pointer-dereference-in-regress_buffer.c.patch
@@ -0,0 +1,24 @@
+From 2466dea1dff1ed8d51eb057854a22d5440aae147 Mon Sep 17 00:00:00 2001
+From: icy17 <1061499390@qq.com>
+Date: Wed, 10 Apr 2024 17:42:01 +0800
+Subject: [PATCH] Fix potential Null pointer dereference in regress_buffer.c
+
+---
+ test/regress_buffer.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/test/regress_buffer.c b/test/regress_buffer.c
+index 2685055f03..32e35af8b7 100644
+--- a/test/regress_buffer.c
++++ b/test/regress_buffer.c
+@@ -1308,7 +1308,9 @@ test_evbuffer_add_file(void *ptr)
+ 	    addfile_test_writecb, src);
+ 	rev = event_new(base, pair[1], EV_READ|EV_PERSIST,
+ 	    addfile_test_readcb, dest);
+-
++	tt_assert(wev);
++	tt_assert(rev);
++	
+ 	event_add(wev, NULL);
+ 	event_add(rev, NULL);
+ 	event_base_dispatch(base);
diff --git a/backport-Fix-potential-Null-pointer-dereference-in-regress_et.c.patch b/backport-Fix-potential-Null-pointer-dereference-in-regress_et.c.patch
new file mode 100644
index 0000000000000000000000000000000000000000..8f4e764af929c128fc8fe9f27e40fa19c3fe6dde
--- /dev/null
+++ b/backport-Fix-potential-Null-pointer-dereference-in-regress_et.c.patch
@@ -0,0 +1,22 @@
+From 6765bd2909e60cd41a2949607556b2b64fbf5b89 Mon Sep 17 00:00:00 2001
+From: icy17 <1061499390@qq.com>
+Date: Wed, 10 Apr 2024 17:45:03 +0800
+Subject: [PATCH] Fix potential Null pointer dereference in regress_et.c
+
+---
+ test/regress_et.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/test/regress_et.c b/test/regress_et.c
+index 1b1f819eda..185a32476f 100644
+--- a/test/regress_et.c
++++ b/test/regress_et.c
+@@ -228,6 +228,8 @@ test_edge_triggered_multiple_events(void *data_)
+ 		read_notification_cb, NULL);
+ 	write_ev = event_new(base, pair[1], EV_WRITE|EV_ET|EV_PERSIST,
+ 		write_notification_cb, NULL);
++	tt_assert(read_ev);
++	tt_assert(write_ev);
+ 
+ 	event_add(read_ev, NULL);
+ 	event_add(write_ev, NULL);
diff --git a/backport-Fix-potential-Null-pointer-dereference-in-regress_thread.c.patch b/backport-Fix-potential-Null-pointer-dereference-in-regress_thread.c.patch
new file mode 100644
index 0000000000000000000000000000000000000000..0ca2256fa3e16628b6169057ef9baa9e2b44d66b
--- /dev/null
+++ b/backport-Fix-potential-Null-pointer-dereference-in-regress_thread.c.patch
@@ -0,0 +1,25 @@
+From 319cae4af2d48058488bfc717ec8673fc57dd42d Mon Sep 17 00:00:00 2001
+From: icy17 <1061499390@qq.com>
+Date: Wed, 10 Apr 2024 17:39:36 +0800
+Subject: [PATCH] Fix potential Null pointer dereference in regress_thread.c
+
+---
+ test/regress_thread.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/test/regress_thread.c b/test/regress_thread.c
+index 3f46764d56..8dbbda52eb 100644
+--- a/test/regress_thread.c
++++ b/test/regress_thread.c
+@@ -192,9 +192,11 @@ thread_basic(void *arg)
+ 		/* This piggybacks on the th_notify_fd weirdly, and looks
+ 		 * inside libevent internals.  Not a good idea in non-testing
+ 		 * code! */
++		tt_assert(sigchld_event);
+ 		notification_event = event_new(base,
+ 		    base->th_notify_fd[0], EV_READ|EV_PERSIST, notify_fd_cb,
+ 		    NULL);
++		tt_assert(notification_event);
+ 		event_add(sigchld_event, NULL);
+ 		event_add(notification_event, NULL);
+ 
diff --git a/libevent.spec b/libevent.spec
index b12522bfa4dcb801b40f7e7636a5cfaedecc0ec8..9e02547861818a3dbdf967ef33b92ba0beb54556 100644
--- a/libevent.spec
+++ b/libevent.spec
@@ -1,6 +1,6 @@
 Name:           libevent
 Version:        2.1.12
-Release:        12
+Release:        13
 Summary:        An event notification library
 
 License:        BSD
@@ -26,6 +26,10 @@ Patch6004: backport-evutil-don-t-call-memset-before-memcpy.patch
 Patch6005: 0002-Avoid-calling-read-2-on-eventfd-on-each-event-loop-w.patch  
 Patch6006: backport-Fix-potential-Null-pointer-dereference-in-regress_fi.patch
 
+Patch6007: backport-Fix-potential-Null-pointer-dereference-in-regress_thread.c.patch
+Patch6008: backport-Fix-potential-Null-pointer-dereference-in-regress_buffer.c.patch
+Patch6009: backport-Fix-potential-Null-pointer-dereference-in-regress_et.c.patch
+
 %description
 Libevent additionally provides a sophisticated framework for buffered network IO, with support for sockets,
 filters, rate-limiting, SSL, zero-copy file transmission, and IOCP.
@@ -85,6 +89,11 @@ rm -f %{buildroot}%{_libdir}/*.la
 
 
 %changelog
+* Thu Aug 15 2024 zhangxingrong <zhangxingrong@uniontech.cn> - 2.1.12-13
+- Fix potential Null pointer dereference in regress_thread.c
+- Fix potential Null pointer dereference in regress_buffer.c
+- Fix potential Null pointer dereference in regress_et.c
+
 * Thu May 30 2024 baiguo <baiguo@kylinos.cn> - 2.1.12-12
 - Fix potential Null pointer dereference in regress_finalize.c