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LibELF: Prevent negative index when determining dynamic symbol count

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Ollrogge 2024-03-14 19:04:29 +01:00 • committed by Andrew Kaster
parent a90e876667
commit c87e1084b6
1 changed files with 5 additions and 0 deletions
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5
Userland/Libraries/LibELF/DynamicObject.cpp
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@ -242,6 +242,11 @@ void DynamicObject::parse()
} }
} }
if (highest_chain_idx < num_omitted_symbols) {
m_symbol_count = 0;
return;
}
size_t amount_symbols = highest_chain_idx; size_t amount_symbols = highest_chain_idx;
u32 const* last_chain = &chains[highest_chain_idx - num_omitted_symbols]; u32 const* last_chain = &chains[highest_chain_idx - num_omitted_symbols];
while ((*(last_chain++) & 1) == 0) { while ((*(last_chain++) & 1) == 0) {