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Add bounds checking to affinity map bit operations and introduce InitializeAffinityMap

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This commit is contained in:
Aiken Harris
2026-06-10 12:51:05 +02:00
parent 39928f2ef4
commit 429e4ef6f1
3 changed files with 91 additions and 18 deletions
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6
xtoskrnl/includes/ke/affinity.hh
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@@ -29,14 +29,16 @@ namespace KE
STATIC XTFASTCALL VOID ClearProcessorAffinity(IN OUT PKAFFINITY_MAP AffinityMap,
IN ULONG CpuNumber);
STATIC XTAPI VOID CopyAffinity(OUT PKAFFINITY_MAP Destination,
IN PKAFFINITY_MAP Source);
STATIC XTAPI XTSTATUS CopyAffinity(OUT PKAFFINITY_MAP Destination,
IN PKAFFINITY_MAP Source);
STATIC XTAPI XTSTATUS CreateAffinityMap(IN ULONG CpuCount,
OUT PKAFFINITY_MAP* AffinityMap);
STATIC XTAPI ULONG FindNextLeftSetProcessor(IN ULONG ThreadSeed,
IN PKAFFINITY_MAP AffinityMap);
STATIC XTAPI ULONG FindNextRightSetProcessor(IN ULONG ThreadSeed,
IN PKAFFINITY_MAP AffinityMap);
STATIC XTAPI XTSTATUS InitializeAffinityMap(IN OUT PKAFFINITY_MAP AffinityMap,
IN ULONG BufferSize);
STATIC XTFASTCALL VOID SetAllProcessorsAffinity(IN OUT PKAFFINITY_MAP AffinityMap);
STATIC XTFASTCALL VOID SetProcessorAffinity(IN OUT PKAFFINITY_MAP AffinityMap,
IN ULONG CpuNumber);