From 5de8fbf6454ee386a527b33dbaf532889d5f66e0 Mon Sep 17 00:00:00 2001
From: dongdigua <dongdigua@outlook.com>
Date: Mon, 25 May 2026 13:12:50 +0800
Subject: [PATCH] fix http jpg streaming pthread stack smashing

https://elixir.bootlin.com/musl/v1.2.6/source/src/internal/pthread_impl.h#L197
---
 highgui/src/writer_http.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/highgui/src/writer_http.cpp b/highgui/src/writer_http.cpp
index 1f308ff2..62827dbd 100644
--- a/highgui/src/writer_http.cpp
+++ b/highgui/src/writer_http.cpp
@@ -314,8 +314,8 @@ void writer_http_impl::mainloop()
         // handle client
         while (1)
         {
-            char buf[1024 * 1024];
-            client.recv(buf, 1024 * 1024 - 1);
+            char buf[4096] = {0};
+            client.recv(buf, sizeof(buf) - 1);
 
             // fprintf(stderr, "%s", buf);
             // fprintf(stderr, "-------------------------\n");