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PAGE_FAULT_BEYOND_END_OF_ALLOCATION
PAGE_FAULT_BEYOND_END_OF_ALLOCATION marks an out-of-bounds pool access detected with Special Pool. Microsoft describes the system as accessing memory beyond the end of a driver's allocation. It differs from PAGE_FAULT_IN_FREED_SPECIAL_POOL, where the allocation lifetime has already ended.
Use the fault as a bounds-checking clue
Special Pool's guard-page placement is intended to stop execution close to the first invalid boundary access. Inspect the faulting instruction and its index, pointer increment, copy length, or structure-size calculation. The driver visible on the faulting stack is more useful than generic memory diagnostics.
Compare with the driver-specific D6 code
DRIVER_PAGE_FAULT_BEYOND_END_OF_ALLOCATION explicitly describes a driver access and publishes read/write parameters. The CD code is the related system-level Special Pool stop. For both, review exact allocation size and address arithmetic; do not substitute a use-after-free investigation unless the dump shows the object had already been released.
References
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