From a0ea19acb863bf697e7cefe6bec62640326172ce Mon Sep 17 00:00:00 2001
From: Evgeny <me@jeka.su>
Date: Tue, 9 Jun 2026 21:50:04 +0300
Subject: [PATCH] =?UTF-8?q?fix:=20diag=5Ftimer=5Fcb=20UAF=20=E2=80=94=20?=
 =?UTF-8?q?=D0=BE=D0=B1=D0=BD=D1=83=D0=BB=D1=8F=D0=B5=D0=BC=20rc->diag=5Ft?=
 =?UTF-8?q?imer=20=D0=B4=D0=BE=20=D1=80=D0=B0=D0=BD=D0=BD=D0=B5=D0=B3?=
 =?UTF-8?q?=D0=BE=20=D0=B2=D0=BE=D0=B7=D0=B2=D1=80=D0=B0=D1=82=D0=B0?=
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---
 src/proxy/tcp_proxy_server.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/proxy/tcp_proxy_server.c b/src/proxy/tcp_proxy_server.c
index 4fc237eb..0fb5c954 100644
--- a/src/proxy/tcp_proxy_server.c
+++ b/src/proxy/tcp_proxy_server.c
@@ -156,6 +156,7 @@ static void on_error_cb(struct tcp_conn* tc, int err, void* arg) {
 
 static void diag_timer_cb(void* arg) {
     struct tcp_proxy_server_conn* rc = (struct tcp_proxy_server_conn*)arg;
+    rc->diag_timer = NULL;
     struct tcp_conn* tc = rc->tc;
     if (!tc || tc->sock == SOCKET_INVALID) return;