LibWasm: Skip initializing active empty data sections

Author: https://github.com/alimpfard Commit: https://github.com/SerenityOS/serenity/commit/d74eca78aab Pull-request: https://github.com/SerenityOS/serenity/pull/8633 Issue: https://github.com/SerenityOS/serenity/issues/7158 Issue: https://github.com/SerenityOS/serenity/issues/8629
2021-07-12 00:09:42 +04:30 · 2021-07-12 00:09:42 +04:30 · d74eca78aa · 2024-07-18 09:11:00 +09:00
commit d74eca78aa
parent 65355c388b
1 changed files with 2 additions and 0 deletions
--- a/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp
+++ b/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp
@ -286,6 +286,8 @@ InstantiationResult AbstractMachine::instantiate(Module const& module, Vector<Ex
                        };
                        return;
                    }
+                    if (data.init.is_empty())
+                        return;
                    auto address = main_module_instance.memories()[data.index.value()];
                    if (auto instance = m_store.get(address)) {
                        if (auto max = instance->type().limits().max(); max.has_value()) {