!80 回合社区补丁

From: @jamesblunt 
Reviewed-by: @dillon_chen 
Signed-off-by: @dillon_chen

backport-Fix-leak-in-evconnlistener_new_async.patch

@@ -0,0 +1,31 @@
+From f9939490ebdba403462b6839d29fdc6837d8a0ec Mon Sep 17 00:00:00 2001
+From: Azat Khuzhin <azat@libevent.org>
+Date: Sun, 18 Feb 2024 21:19:41 +0100
+Subject: [PATCH] Fix leak in evconnlistener_new_async()
+
+Fixes: https://github.com/libevent/libevent/issues/414
+
+---
+ listener.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/listener.c b/listener.c
+index f5c00c9..01dc41d 100644
+--- a/listener.c
++++ b/listener.c
+@@ -885,8 +885,11 @@ evconnlistener_new_async(struct event_base *base,
+ 	return &lev->base;
+ 
+ err_free_accepting:
++	for (i = 0; i < lev->n_accepting; ++i) {
++		if (lev->accepting[i])
++			free_and_unlock_accepting_socket(lev->accepting[i]);
++	}
+ 	mm_free(lev->accepting);
+-	/* XXXX free the other elements. */
+ err_delete_lock:
+ 	EVTHREAD_FREE_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+ err_free_lev:
+-- 
+2.27.0
+

libevent.spec

@@ -1,6 +1,6 @@
 Name:           libevent
 Version:        2.1.12
-Release:        5
+Release:        6
 Summary:        An event notification library
 
 License:        BSD
@@ -13,6 +13,7 @@ Patch0: libevent-nonettests.patch
 Patch1: http-add-callback-to-allow-server-to-decline-and-the.patch
 Patch6000: backport-evutil-don-t-call-memset-before-memcpy.patch
 Patch6001: backport-Fix-potential-Null-pointer-dereference-in-regress_fi.patch
+Patch6002: backport-Fix-leak-in-evconnlistener_new_async.patch
 
 %description
 Libevent additionally provides a sophisticated framework for buffered network IO, with support for sockets,
@@ -70,6 +71,9 @@ rm -f %{buildroot}%{_libdir}/*.la
 
 
 %changelog
+* Sun Oct 27 2024 zhangyaqi <zhangyaqi@kylinos.cn> - 2.1.12-6
+- Fix leak in evconnlistener_new_async()
+
 * Wed Jul 03 2024 zhangxianting <zhangxianting@uniontech.com> - 2.1.12-5
 - Type:bugfix
 - CVE:NA