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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWasm: Validate that data section exists for some instructions

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Diego 2024-06-10 15:59:31 -07:00 • committed by Ali Mohammad Pur
commit 67749300c3
Notes: sideshowbarker 2024-07-17 08:45:34 +09:00
1 changed files with 5 additions and 0 deletions
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5
Userland/Libraries/LibWasm/AbstractMachine/Validator.cpp
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@ -1950,6 +1950,8 @@ VALIDATE_INSTRUCTION(memory_copy)
VALIDATE_INSTRUCTION(memory_init)
{
if (!m_context.data_count.has_value())
return Errors::invalid("memory.init, requires data count section"sv);
auto& args = instruction.arguments().get<Instruction::MemoryInitArgs>();
@ -1963,6 +1965,9 @@ VALIDATE_INSTRUCTION(memory_init)
VALIDATE_INSTRUCTION(data_drop)
{
if (!m_context.data_count.has_value())
return Errors::invalid("data.drop, requires data count section"sv);
auto index = instruction.arguments().get<DataIndex>();
TRY(validate(index));