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Improve exception handling and memory safety in OB lifecycle
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This commit is contained in:
Aiken Harris
2026-08-17 17:07:18 +02:00
parent 392bc007a3
commit ea967b8084
2 changed files with 181 additions and 147 deletions
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26
xtoskrnl/includes/ob/lifecycl.hh
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@@ -24,19 +24,28 @@ namespace OB
public:
STATIC XTAPI XTSTATUS AllocateObject(IN POBJECT_CREATE_INFORMATION CreateInfo,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN KPROCESSOR_MODE ProcessorMode,
IN POBJECT_TYPE ObjectType,
IN PUNICODE_STRING ObjectName,
IN ULONG ObjectBodySize,
OUT POBJECT_HEADER *ReturnedObjectHeader);
STATIC XTAPI XTSTATUS CreateObject(IN KPROCESSOR_MODE ProcessorMode,
IN POBJECT_TYPE ObjectType,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN OUT PVOID ParseContext,
IN ULONG ObjectBodySize,
IN ULONG PagedPoolCharge,
IN ULONG NonPagedPoolCharge,
OUT PVOID *Object);
STATIC XTAPI VOID DeferObjectDeletion(IN POBJECT_HEADER ObjectHeader);
STATIC XTFASTCALL LONG_PTR DereferenceObject(IN PVOID Object);
STATIC XTFASTCALL LONG_PTR DereferenceObject(IN PVOID Object,
IN ULONG Count);
STATIC XTFASTCALL LONG_PTR DereferenceObjectDeferDelete(IN PVOID Object);
STATIC XTFASTCALL VOID DereferenceObjectNameInformation(IN POBJECT_HEADER_NAME_INFO NameInfo);
STATIC XTFASTCALL POBJECT_HEADER_CREATOR_INFO GetObjectCreatorInformation(IN POBJECT_HEADER Header);
STATIC XTFASTCALL POBJECT_HEADER_NAME_INFO GetObjectNameInformation(IN POBJECT_HEADER Header);
STATIC XTFASTCALL POBJECT_HEADER_CREATOR_INFO GetObjectCreatorInformation(IN POBJECT_HEADER ObjectHeader);
STATIC XTFASTCALL POBJECT_HEADER_NAME_INFO GetObjectNameInformation(IN POBJECT_HEADER ObjectHeader);
STATIC XTAPI VOID InitializeObjectLifeCycle(VOID);
STATIC XTFASTCALL LONG_PTR ReferenceObject(IN PVOID Object);
STATIC XTFASTCALL LONG_PTR ReferenceObject(IN PVOID Object,
@@ -50,7 +59,7 @@ namespace OB
STATIC XTFASTCALL POBJECT_HEADER_NAME_INFO ReferenceObjectNameInformation(IN POBJECT_HEADER ObjectHeader);
private:
STATIC XTFASTCALL PWCH AllocateObjectName(IN ULONG Length,
STATIC XTFASTCALL PWCHAR AllocateObjectName(IN ULONG Length,
IN BOOLEAN UseLookaside,
IN OUT PUNICODE_STRING ObjectName);
STATIC XTAPI VOID CalculateOptionalHeaderSize(IN POBJECT_CREATE_INFORMATION CreateInfo,
@@ -68,15 +77,6 @@ namespace OB
IN PUNICODE_STRING ObjectName,
IN OUT PUNICODE_STRING CapturedObjectName,
IN BOOLEAN UseLookaside);
STATIC XTAPI XTSTATUS CreateObject(IN KPROCESSOR_MODE ProcessorMode,
IN POBJECT_TYPE ObjectType,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN OUT PVOID ParseContext,
IN ULONG ObjectBodySize,
IN ULONG PagedPoolCharge,
IN ULONG NonPagedPoolCharge,
OUT PVOID *Object);
STATIC XTAPI VOID DeleteObject(IN PVOID Object,
IN BOOLEAN CalledOnWorkerThread);
STATIC XTAPI VOID FreeObject(IN PVOID Object);