From 2381127b1178c56a4ece68f07b5ceba3cb73de56 Mon Sep 17 00:00:00 2001
From: Kristian Nielsen <knielsen@knielsen-hq.org>
Date: Thu, 6 Feb 2025 00:24:28 +0100
Subject: [PATCH] CONC-473: mysql_real_connect_start() stack overrun with mdns
 hostname

Increase the default stack size for co-routines to 256 kByte. It was 60
kByte, which was too small for glibc getaddrinfo() when using mdns.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
---
 libmariadb/mariadb_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmariadb/mariadb_lib.c b/libmariadb/mariadb_lib.c
index a028c321..f1053dd3 100644
--- a/libmariadb/mariadb_lib.c
+++ b/libmariadb/mariadb_lib.c
@@ -81,7 +81,7 @@
 #define strncasecmp _strnicmp
 #endif
 
-#define ASYNC_CONTEXT_DEFAULT_STACK_SIZE (4096*15)
+#define ASYNC_CONTEXT_DEFAULT_STACK_SIZE (256*1024)
 #define MA_RPL_VERSION_HACK "5.5.5-"
 
 #define CHARSET_NAME_LEN 64