From 4e7b1cfce8b7760627536025c371cae7501352b1 Mon Sep 17 00:00:00 2001
From: Taylor Beebe <31827475+TaylorBeebe@users.noreply.github.com>
Date: Wed, 29 Nov 2023 14:20:07 -0800
Subject: [PATCH] Restrict Module Types for Stack Cookie Libraries in
 MdeLibs.dsc.inc to Exclude HOST_APPLICATION (#639)

## Description

Specify the module types for stack cookie libraries to include all but
HOST_APPLICATION to prevent conflict with the C runtime stack cookie
logic linked in via the standard lib.

- [x] Impacts functionality?
- **Functionality** - Does the change ultimately impact how firmware
functions?
- Examples: Add a new library, publish a new PPI, update an algorithm,
...
- [ ] Impacts security?
- **Security** - Does the change have a direct security impact on an
application,
    flow, or firmware?
  - Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
- [ ] Breaking change?
- **Breaking change** - Will anyone consuming this change experience a
break
    in build or boot behavior?
- Examples: Add a new library class, move a module to a different repo,
call
    a function in a new library class in a pre-existing module, ...
- [ ] Includes tests?
  - **Tests** - Does the change include any explicit test code?
  - Examples: Unit tests, integration tests, robot tests, ...
- [ ] Includes documentation?
- **Documentation** - Does the change contain explicit documentation
additions
    outside direct code modifications (and comments)?
- Examples: Update readme file, add feature readme file, link to
documentation
    on an a separate Web page, ...

## How This Was Tested

Building Q35

## Integration Instructions

N/A
---
 MdePkg/MdeLibs.dsc.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdePkg/MdeLibs.dsc.inc b/MdePkg/MdeLibs.dsc.inc
index 7e89e96721..0faf3b91d1 100644
--- a/MdePkg/MdeLibs.dsc.inc
+++ b/MdePkg/MdeLibs.dsc.inc
@@ -18,7 +18,7 @@
   SmmCpuRendezvousLib|MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.inf
 
 # MU_CHANGE [BEGIN] - Add Stack Cookie Support
-[LibraryClasses.X64]
+[LibraryClasses.X64.SEC, LibraryClasses.X64.PEIM, LibraryClasses.X64.PEI_CORE, LibraryClasses.X64.SMM_CORE, LibraryClasses.X64.DXE_SMM_DRIVER, LibraryClasses.X64.MM_CORE_STANDALONE, LibraryClasses.X64.MM_STANDALONE, LibraryClasses.X64.DXE_CORE, LibraryClasses.X64.DXE_DRIVER, LibraryClasses.X64.DXE_RUNTIME_DRIVER, LibraryClasses.X64.DXE_SAL_DRIVER, LibraryClasses.X64.UEFI_DRIVER, LibraryClasses.X64.UEFI_APPLICATION]
   RngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
   NULL|MdePkg/Library/StackCheckLib/StackCheckLib.inf
   StackCheckFailureLib|MdePkg/Library/StackCheckFailureLibNull/StackCheckFailureLibNull.inf