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Kernel: Actually fix accidental overlaps in allocate_range_specific()

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Thanks to Idan for spotting this! :^)
This commit is contained in:
Andreas Kling 2022-04-03 23:58:57 +02:00
parent 5506932788
commit db75bab493
1 changed files with 1 additions and 1 deletions
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2
Kernel/Memory/RegionTree.cpp
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@ -90,7 +90,7 @@ ErrorOr<VirtualRange> RegionTree::allocate_range_specific(VirtualAddress base, s
if (!m_total_range.contains(range)) if (!m_total_range.contains(range))
return ENOMEM; return ENOMEM;
auto* region = m_regions.find_largest_not_above(base.offset(size).get()); auto* region = m_regions.find_largest_not_above(base.offset(size - 1).get());
if (!region) { if (!region) {
// The range can be accommodated below the current lowest range. // The range can be accommodated below the current lowest range.
return range; return range;