From fb25554dcb5c5fb3641536e4e7e0ba88d514a0d6 Mon Sep 17 00:00:00 2001
From: liquidraver <504870+liquidraver@users.noreply.github.com>
Date: Sat, 25 Apr 2026 13:09:58 +0200
Subject: [PATCH] fix stack overflow on ESP Wifi AP used for OTA

---
 zephcore/boards/common/wifi_ota.conf | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/zephcore/boards/common/wifi_ota.conf b/zephcore/boards/common/wifi_ota.conf
index ab23380..85dfa75 100644
--- a/zephcore/boards/common/wifi_ota.conf
+++ b/zephcore/boards/common/wifi_ota.conf
@@ -52,3 +52,7 @@ CONFIG_IMG_ERASE_PROGRESSIVELY=y
 # ========== Heap (WiFi + TCP/IP + HTTP needs more than default) ==========
 CONFIG_HEAP_MEM_POOL_SIZE=65536
 
+# ========== Stack (DHCPv4 server handler runs on net_socket_service thread;
+# upstream default of 2400 bytes overflows on ESP32 when DHCP DISCOVER lands) ==========
+CONFIG_NET_SOCKETS_SERVICE_STACK_SIZE=4096
+