From be76b5357f6e9663c2cbf3f599e6b58a0f709d60 Mon Sep 17 00:00:00 2001
From: WHR <whr@rivoreo.one>
Date: Tue, 14 Apr 2026 18:10:03 +0800
Subject: [PATCH] Pass -1 as fd to mmap(2) to match MAP_ANONYMOUS

---
 debug_malloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debug_malloc.c b/debug_malloc.c
index 93b3376..61e2395 100644
--- a/debug_malloc.c
+++ b/debug_malloc.c
@@ -14,7 +14,7 @@ void* malloc(size_t rawSize) {
     int numTotalPages = numGivenPages + 1;
 
     void* allMemory = mmap(NULL, numTotalPages * page, PROT_READ | PROT_WRITE,
-            MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+            MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     if (allMemory == MAP_FAILED) {
         return NULL;
     }