Lightemerald/windows-user-space-emulator
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Safety check for api-set ValueCount

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This commit is contained in:
ahm3dgg
2026-01-08 19:46:51 +02:00
parent a53addef5f
commit 871e249227
1 changed files with 6 additions and 1 deletions
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7
src/windows-emulator/process_context.cpp
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@@ -217,6 +217,11 @@ namespace
std::u16string name(reinterpret_cast<const char16_t*>(reinterpret_cast<uint64_t>(api_set_map) + entry->NameOffset),
entry->NameLength / sizeof(char16_t));
if (!entry->ValueCount)
{
continue;
}
const auto* value = reinterpret_cast<const API_SET_VALUE_ENTRY*>(reinterpret_cast<uint64_t>(api_set_map) + entry->ValueOffset +
(entry->ValueCount - 1) * sizeof(API_SET_VALUE_ENTRY));
std::u16string base_name(reinterpret_cast<const char16_t*>(reinterpret_cast<uint64_t>(api_set_map) + value->ValueOffset),
@@ -570,7 +575,7 @@ void process_context::setup(x86_64_emulator& emu, memory_manager& memory, regist
this->rtl_user_thread_start32 = ntdll32->find_export("RtlUserThreadStart");
}
}
const auto* api_set_data = reinterpret_cast<const API_SET_NAMESPACE*>(apiset_container.data.data());
auto apiset = get_apiset_namespace_table(api_set_data);
create_known_dlls_section_objects<uint32_t>(this->knowndlls32_sections, apiset, registry, file_system, true);