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LibWasm: Use AK::StackInfo to track stack size

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This way, we can make sure that it doesn't overflow when ASAN is
enabled.
This commit is contained in:
Ali Mohammad Pur
2021-07-11 13:02:42 +04:30
committed by Ali Mohammad Pur
parent 8ae425cec8
commit 65355c388b
3 changed files with 5 additions and 2 deletions
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3
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.cpp
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@@ -32,6 +32,7 @@ namespace Wasm {
void BytecodeInterpreter::interpret(Configuration& configuration)
{
m_stack_info = {};
m_trap.clear();
auto& instructions = configuration.frame().expression().instructions();
auto max_ip_value = InstructionPointer { instructions.size() };
@@ -129,7 +130,7 @@ void BytecodeInterpreter::store_to_memory(Configuration& configuration, Instruct
void BytecodeInterpreter::call_address(Configuration& configuration, FunctionAddress address)
{
TRAP_IF_NOT(configuration.depth() <= Constants::max_allowed_call_stack_depth);
TRAP_IF_NOT(m_stack_info.size_free() >= Constants::minimum_stack_space_to_keep_free);
auto instance = configuration.store().get(address);
TRAP_IF_NOT(instance);