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tweak waterbox hash detection 

A game could wild pointer into a slightly out of range part of the sealed heap during init, and then do so differently on a subsequent init, and we wouldn't detect it
This commit is contained in:
nattthebear 2020-05-25 08:32:43 -04:00
parent 4ec0753f52
commit 1000b74f2d
1 changed files with 1 additions and 1 deletions
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2
src/BizHawk.Emulation.Cores/Waterbox/Heap.cs
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@ -73,7 +73,7 @@ namespace BizHawk.Emulation.Cores.Waterbox
if (!Sealed)
{
Memory.Protect(Memory.Start, Used, MemoryBlock.Protection.R);
_hash = WaterboxUtils.Hash(Memory.GetStream(Memory.Start, Used, false));
_hash = WaterboxUtils.Hash(Memory.GetStream(Memory.Start, WaterboxUtils.AlignUp(Used), false));
Sealed = true;
}
else