From f6285b33af8f5686c7522e0c46681d04ccc802b5 Mon Sep 17 00:00:00 2001
From: Carlos Cheung <carloscheung@microsoft.com>
Date: Mon, 22 Jan 2024 14:50:49 -0500
Subject: [PATCH] Fault on double free detection by default

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

diff --git a/src/alloc.c b/src/alloc.c
index ffc1747d..40769ae2 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -212,7 +212,7 @@ static mi_decl_noinline bool mi_check_is_double_freex(const mi_page_t* page, con
       mi_list_contains(page, page->local_free, block) ||
       mi_list_contains(page, mi_page_thread_free(page), block))
   {
-    _mi_error_message(EAGAIN, "double free detected of block %p with size %zu\n", block, mi_page_block_size(page));
+    _mi_error_message(EFAULT, "double free detected of block %p with size %zu\n", block, mi_page_block_size(page));
     return true;
   }
   return false;