From 3d4c8ae901585b3ad9de8a68df6c3ebaa4bde4df Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Sun, 5 Apr 2020 05:28:38 +0100
Subject: [PATCH] linux_*_hardened: don't set VMAP_STACK

This has been on by default upstream for as long as it's been an option.
---
 pkgs/os-specific/linux/kernel/hardened-config.nix | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/os-specific/linux/kernel/hardened-config.nix b/pkgs/os-specific/linux/kernel/hardened-config.nix
index 7e6f514e19f..302170f2f5c 100644
--- a/pkgs/os-specific/linux/kernel/hardened-config.nix
+++ b/pkgs/os-specific/linux/kernel/hardened-config.nix
@@ -22,7 +22,6 @@ optionalAttrs (stdenv.hostPlatform.platform.kernelArch == "x86_64") {
   # Note: this config depends on EXPERT y and so will not take effect, hence
   # it is left "optional" for now.
   MODIFY_LDT_SYSCALL = option no;
-  VMAP_STACK         = yes; # Catch kernel stack overflows
 
   # Randomize position of kernel and memory.
   RANDOMIZE_BASE   = yes;