Fix pointer arithmetic on canary placement (#147)

* Fix pointer arithmetic on canary placement * bump version
Zondax · Oct 11, 2024 · 337d761 · 337d761
1 parent c4c3548
commit 337d761
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/include/zxversion.h b/include/zxversion.h
@@ -16,5 +16,5 @@
 #pragma once
 
 #define ZXLIB_MAJOR 29
-#define ZXLIB_MINOR 1
+#define ZXLIB_MINOR 2
 #define ZXLIB_PATCH 0
diff --git 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"