From 01d755306ffc5c52803847f73d691f6eaf9b1626 Mon Sep 17 00:00:00 2001
From: Andrey Gusakov <dron0gus@gmail.com>
Date: Wed, 22 Jan 2025 19:01:47 +0300
Subject: [PATCH] error_handling: save stack bytes for firmwareError() too

---
 firmware/controllers/core/error_handling.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/firmware/controllers/core/error_handling.cpp b/firmware/controllers/core/error_handling.cpp
index 6cf792b3a1..7944c70178 100644
--- a/firmware/controllers/core/error_handling.cpp
+++ b/firmware/controllers/core/error_handling.cpp
@@ -503,6 +503,9 @@ const char* getConfigErrorMessage() {
 }
 
 void firmwareError(ObdCode code, const char *fmt, ...) {
+	// following is allocated on stack
+	// add some marker
+	uint32_t tmp = 0xfaaaaa11;
 #if EFI_PROD_CODE
 	if (hasCriticalFirmwareErrorFlag)
 		return;
@@ -543,6 +546,9 @@ void firmwareError(ObdCode code, const char *fmt, ...) {
 		err->msg[sizeof(err->msg) - 1] = '\0';
 		strlncpy(err->msg, criticalErrorMessageBuffer, sizeof(err->msg));
 		err->Cookie = ErrorCookie::FirmwareError;
+		// copy stack last as it can be corrupted and cause another exeption
+		uint32_t *sp = &tmp;
+		errorHandlerSaveStack(err, sp);
 	}
 #endif // EFI_BACKUP_SRAM
 #else // EFI_PROD_CODE