From 28bd57c6d03086f5724dafff02444144fbc6a3cf Mon Sep 17 00:00:00 2001
From: tkchia <tkchia-cosmo@gmx.com>
Date: Fri, 14 Oct 2022 08:45:29 +0000
Subject: [PATCH] [metal] Fix bug: munmap() should clear PAGE_RSRV in page
 table

---
 libc/calls/munmap-metal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libc/calls/munmap-metal.c b/libc/calls/munmap-metal.c
index dea02e651..1b7f9e991 100644
--- a/libc/calls/munmap-metal.c
+++ b/libc/calls/munmap-metal.c
@@ -26,7 +26,7 @@ noasan int sys_munmap_metal(void *addr, size_t size) {
   mm = (struct mman *)(BANE + 0x0500);
   for (i = 0; i < size; i += 4096) {
     e = __get_virtual(mm, __get_pml4t(), (uint64_t)addr + i, false);
-    if (e) *e = ~PAGE_V;
+    if (e) *e = ~(PAGE_V | PAGE_RSRV);
     invlpg(e);
   }
   return 0;