Matthew Parkinson 50f412157f Protect free list pointers stored in object space ...

Free list pointers can be exploited by attackers. This commit implements
a simple encoding scheme to detect corruption of the pointers.  This can
be used to detect UAF and double free.

This does not currently address anything for Medium or Large
allocations.  It also does not address cross thread deallocations.

Co-authored-by: Nathaniel Wesley Filardo <nfilardo@microsoft.com>

2021-03-19 11:28:39 +00:00

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