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expand on metadata address space security

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Daniel Micay 2018-10-10 18:55:31 -04:00
parent 29fd86ab37
commit 2381d973b1
1 changed files with 2 additions and 1 deletions
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@ -153,7 +153,8 @@ allocation and then unmapped on free.
size class regions interspersed with guard pages
* Zero size allocations are memory protected
* Protected allocator metadata
* Address space for metadata is never used for allocations and vice versa
* Address space for metadata is entirely reserved during initialization and
never reused for allocations or anything else
* [implementing stronger protection is in-progress]
* Extension for retrieving the size of allocations with fallback
to a sentinel for pointers not managed by the allocator