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Kernel: Make Region weakable and use WeakPtr<Region> instead of Region*
This turns use-after-free bugs into null pointer dereferences instead.
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5 changed files with 14 additions and 8 deletions
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@ -31,6 +31,7 @@
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#include <AK/InlineLinkedList.h>
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#include <AK/NonnullOwnPtrVector.h>
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#include <AK/String.h>
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#include <AK/WeakPtr.h>
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#include <Kernel/FileSystem/InodeMetadata.h>
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#include <Kernel/Forward.h>
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#include <Kernel/Lock.h>
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@ -479,7 +480,7 @@ private:
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NonnullOwnPtrVector<Region> m_regions;
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struct RegionLookupCache {
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Range range;
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Region* region { nullptr };
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WeakPtr<Region> region;
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};
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RegionLookupCache m_region_lookup_cache;
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