On 2018/10/25 15:17, Jian J Wang wrote:
v4 changes:
Updated per comments from Star. Please refer to individual patch
file for details (#2/5/6)
Minor comments to patch 5 and 6, please see the individual feedback.
With them addressed, Reviewed-by: Star Zeng to
patch 1, 2, 5 and 6.
And remember to add RB from Laszlo, I think at least you can add RB from
Laszlo for patch 1, maybe patch 2 about MdeModulePkg change.
Thanks,
Star
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(-)
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