> v4 changes:
> Updated per comments from Star. Please refer to individual patch
> file for details (#2/5/6)
Freed-memory guard is a new feauture used to detect UAF (Use-After-Free)
memory issue.
Tests:
a. Feature basic unit/functionality test
b. OVMF regression test
Jian J Wang (6):
MdeModulePkg: cleanup Heap Guard pool/page type PCD documentation
MdeModulePkg: introduce UEFI freed-memory guard bit in HeapGuard PCD
UefiCpuPkg/CpuDxe: consider freed-memory guard in non-stop mode
UefiCpuPkg/CpuDxe: prevent recursive calling of
InitializePageTablePool
MdeModulePkg/Core: prevent re-acquire GCD memory lock
MdeModulePkg/Core: add freed-memory guard feature
MdeModulePkg/Core/Dxe/Gcd/Gcd.c | 87 ++++--
MdeModulePkg/Core/Dxe/Mem/HeapGuard.c | 409 +++++++++++++++++++++++++-
MdeModulePkg/Core/Dxe/Mem/HeapGuard.h | 65 +++-
MdeModulePkg/Core/Dxe/Mem/Page.c | 42 ++-
MdeModulePkg/Core/Dxe/Mem/Pool.c | 23 +-
MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c | 2 +-
MdeModulePkg/Core/Dxe/Misc/PropertiesTable.c | 18 +-
MdeModulePkg/MdeModulePkg.dec | 20 +-
MdeModulePkg/MdeModulePkg.uni | 16 +-
UefiCpuPkg/CpuDxe/CpuDxe.h | 2 +-
UefiCpuPkg/CpuDxe/CpuPageTable.c | 23 +-
11 files changed, 637 insertions(+), 70 deletions(-)
--
2.16.2.windows.1
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