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LibWasm: Correct memory init size when instantiating

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These limits are in units of page size, not bytes.
Also fixes incorrect debug logs.
This commit is contained in:
Ali Mohammad Pur 2021-05-17 21:41:07 +04:30 • committed by Ali Mohammad Pur
parent 4fd43a8f96
commit 4a459d2430
3 changed files with 5 additions and 4 deletions
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4
Userland/Libraries/LibWasm/AbstractMachine/Interpreter.cpp
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@ -80,7 +80,7 @@ ReadonlyBytes Interpreter::load_from_memory(Configuration& configuration, const
auto instance_address = base.value() + static_cast<i64>(arg.offset);
if (instance_address < 0 || static_cast<u64>(instance_address + size) > memory->size()) {
m_do_trap = true;
dbgln("LibWasm: Memory access out of bounds (expected 0 > {} and {} > {})", instance_address, instance_address + size, memory->size());
dbgln("LibWasm: Memory access out of bounds (expected 0 <= {} and {} <= {})", instance_address, instance_address + size, memory->size());
return {};
}
dbgln_if(WASM_TRACE_DEBUG, "load({} : {}) -> stack", instance_address, size);
@ -98,7 +98,7 @@ void Interpreter::store_to_memory(Configuration& configuration, const Instructio
auto instance_address = base.value() + static_cast<i64>(arg.offset);
if (instance_address < 0 || static_cast<u64>(instance_address + data.size()) > memory->size()) {
m_do_trap = true;
dbgln("LibWasm: Memory access out of bounds (expected 0 > {} and {} > {})", instance_address, instance_address + data.size(), memory->size());
dbgln("LibWasm: Memory access out of bounds (expected 0 <= {} and {} <= {})", instance_address, instance_address + data.size(), memory->size());
return;
}
dbgln_if(WASM_TRACE_DEBUG, "tempoaray({}b) -> store({})", data.size(), instance_address);