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Heap: Fix GPF caused when making many small allocations
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Apparently space was too tight to split(), but we did it anyways, corrupting the next block.
This patch fixes this behavior.
This commit is contained in:
apio 2023-02-17 22:47:15 +01:00
parent 4697a16206
commit 37bbc04719
Signed by: apio
GPG Key ID: B8A7D06E42258954
1 changed files with 1 additions and 1 deletions
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luna/src/Heap.cpp
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@ -99,7 +99,7 @@ static Option<HeapBlock*> split(HeapBlock* block, usize size)
const usize old_size =
block->full_size; // Save the old value of this variable since we are going to use it after modifying it
if (available < (size + sizeof(HeapBlock)))
if (available <= (size + sizeof(HeapBlock)))
return {}; // This block hasn't got enough free space to hold the requested size.
const usize offset = get_fair_offset_to_split_at(block, size + sizeof(HeapBlock));