From e7467e5ce8dadf35ada03f341725aa94103dccef Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Sun, 8 Jan 2023 19:30:31 -0300
Subject: [PATCH] vmm: make sure there is a thread in the struct in the
 dealwithrequest call

---
 src/sys/mm/vmm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/sys/mm/vmm.c b/src/sys/mm/vmm.c
index 6e9dac3c..f431b29a 100644
--- a/src/sys/mm/vmm.c
+++ b/src/sys/mm/vmm.c
@@ -639,7 +639,11 @@ bool vmm_allocnowat(void* addr, size_t mmuflags, size_t size){
 // called by the page fault handler
 
 int vmm_dealwithrequest(void* addr, long error, bool user){
-	
+
+	if(!arch_getcls()->thread) // the fault happened before the scheduler was initialised.
+		return EFAULT;
+		
+
 	if(user && addr > USER_SPACE_END)
 		return EFAULT;