From 01318d8f9bb8e49c33b4315945690bda40344f56 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Wed, 27 Jul 2022 00:41:34 +0300
Subject: [PATCH] Kernel: Check flags for MAP_FIXED instead of prot in sys$mmap

We were accidentally not enforcing the map_fixed pledge
---
 Kernel/Syscalls/mmap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/Syscalls/mmap.cpp b/Kernel/Syscalls/mmap.cpp
index 16cba676ee..587793c14c 100644
--- a/Kernel/Syscalls/mmap.cpp
+++ b/Kernel/Syscalls/mmap.cpp
@@ -141,7 +141,7 @@ ErrorOr<FlatPtr> Process::sys$mmap(Userspace<Syscall::SC_mmap_params const*> use
         TRY(require_promise(Pledge::prot_exec));
     }
 
-    if (prot & MAP_FIXED || prot & MAP_FIXED_NOREPLACE) {
+    if (flags & MAP_FIXED || flags & MAP_FIXED_NOREPLACE) {
         TRY(require_promise(Pledge::map_fixed));
     }