From acda766e2ccdeedb7a4a634d84089a1ca1f73b8c Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Mon, 3 Jan 2022 21:07:24 -0500
Subject: [PATCH] fix small allocation canary overwrite test

Overwriting one byte of a canary with 0 has a 1/256 chance of not
triggering the expected failure.
---
 test/simple-memory-corruption/eight_byte_overflow_small.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/simple-memory-corruption/eight_byte_overflow_small.c b/test/simple-memory-corruption/eight_byte_overflow_small.c
index 0ac796b..bd2666d 100644
--- a/test/simple-memory-corruption/eight_byte_overflow_small.c
+++ b/test/simple-memory-corruption/eight_byte_overflow_small.c
@@ -7,7 +7,7 @@ OPTNONE int main(void) {
     if (!p) {
         return 1;
     }
-    *(p + 8 + 7) = 0;
+    *(p + 8 + 7) ^= 1;
     free(p);
     return 0;
 }