_DIAGNOSTIC_CONTEXT

//0x20 bytes (sizeof) struct _DIAGNOSTIC_CONTEXT { enum _REQUESTER_TYPE CallerType; //0x0 union { struct { struct _EPROCESS* Process; //0x8 ULONG ServiceTag; //0x10 }; struct _DEVICE_OBJECT* DeviceObject; //0x8 }; ULONGLONG ReasonSize; //0x18 };

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