From b2568a3d83fac4411b2705f36a3f446ae1cae17f Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Mon, 25 Aug 2025 14:51:59 +0200
Subject: [PATCH] fix(eppp): Fix stack-overflow in ping task for TUN netif

Closes https://github.com/espressif/esp-protocols/issues/867
---
 components/eppp_link/eppp_netif_tun.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/eppp_link/eppp_netif_tun.c b/components/eppp_link/eppp_netif_tun.c
index 63c0896d9..7b905213e 100644
--- a/components/eppp_link/eppp_netif_tun.c
+++ b/components/eppp_link/eppp_netif_tun.c
@@ -167,6 +167,9 @@ esp_err_t eppp_check_connection(esp_netif_t *netif)
 {
     esp_err_t ret = ESP_OK;
     esp_ping_config_t config = ESP_PING_DEFAULT_CONFIG();
+#if CONFIG_LOG_MAXIMUM_LEVEL > 3
+    config.task_stack_size += 1024;  // Some additional stack needed for verbose logs
+#endif
     config.count = 100;
     ESP_LOGI(TAG, "Checking connection on EPPP interface #%" PRIu32, config.interface);
     ip_addr_t target_addr = {0};