From fa7c45ebb18a18857b28b237f2e1b182d20cbff4 Mon Sep 17 00:00:00 2001
From: 0xPxt <aleix.raventos@zondax.ch>
Date: Thu, 10 Oct 2024 16:26:58 +0200
Subject: [PATCH] Fix pointer arithmetic on canary placement

---
 src/zxcanary.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/zxcanary.c b/src/zxcanary.c
index 16394e4..5b515f3 100644
--- a/src/zxcanary.c
+++ b/src/zxcanary.c
@@ -20,7 +20,7 @@
 
 // This symbol is defined by the link script to be at the start of the stack area.
 extern unsigned int app_stack_canary;
-#define ZONDAX_CANARY (*((volatile uint32_t*) (&app_stack_canary + sizeof(uint32_t))))
+#define ZONDAX_CANARY (*((volatile uint32_t*) (((uint8_t*) &app_stack_canary) + sizeof(uint32_t))))
 
 #if defined(HAVE_ZONDAX_CANARY)
 #include "errors.h"