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Kernel: Range::contains() should reject ranges with 2^32 wrap-around

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This commit is contained in:
Andreas Kling 2020-01-30 21:48:41 +01:00
parent 31d1c82621
commit 31a141bd10
1 changed files with 2 additions and 0 deletions
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2
Kernel/VM/RangeAllocator.h
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@ -57,6 +57,8 @@ public:
bool contains(VirtualAddress base, size_t size) const bool contains(VirtualAddress base, size_t size) const
{ {
if (base.offset(size) < base)
return false;
return base >= m_base && base.offset(size) <= end(); return base >= m_base && base.offset(size) <= end();
} }