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LibJS: Make sure aligned_alloc() doesn't return a null pointer

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The previous VERIFY() call checked that aligned_alloc() didn't return
MAP_FAILED. When out of memory aligned_alloc() returns a null pointer
so let's check for that instead.
This commit is contained in:
Gunnar Beutner 2021-05-27 21:07:56 +02:00 • committed by Andreas Kling
parent 14585a9cba
commit 97d0ebba20
1 changed files with 2 additions and 1 deletions
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3
Userland/Libraries/LibJS/Heap/BlockAllocator.cpp
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@ -38,10 +38,11 @@ void* BlockAllocator::allocate_block([[maybe_unused]] char const* name)
#ifdef __serenity__ #ifdef __serenity__
auto* block = (HeapBlock*)serenity_mmap(nullptr, HeapBlock::block_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_RANDOMIZED | MAP_PRIVATE, 0, 0, HeapBlock::block_size, name); auto* block = (HeapBlock*)serenity_mmap(nullptr, HeapBlock::block_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_RANDOMIZED | MAP_PRIVATE, 0, 0, HeapBlock::block_size, name);
VERIFY(block != MAP_FAILED);
#else #else
auto* block = (HeapBlock*)aligned_alloc(HeapBlock::block_size, HeapBlock::block_size); auto* block = (HeapBlock*)aligned_alloc(HeapBlock::block_size, HeapBlock::block_size);
VERIFY(block);
#endif #endif
VERIFY(block != MAP_FAILED);
return block; return block;
} }