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Return ENOMEM if len exceeds the available space in sceKernelMapNamedDirectMemory

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kalaposfos13 2025-06-17 19:36:56 +02:00
parent 5bc4cc761a
commit ccfb2b03f7
1 changed files with 4 additions and 0 deletions
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4
src/core/libraries/kernel/memory.cpp
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@ -194,6 +194,10 @@ int PS4_SYSV_ABI sceKernelMapNamedDirectMemory(void** addr, u64 len, int prot, i
const auto map_flags = static_cast<Core::MemoryMapFlags>(flags); const auto map_flags = static_cast<Core::MemoryMapFlags>(flags);
auto* memory = Core::Memory::Instance(); auto* memory = Core::Memory::Instance();
if (memory->GetTotalDirectSize() < len) {
LOG_ERROR(Kernel_Vmm, "Length is too big!");
return ORBIS_KERNEL_ERROR_ENOMEM;
}
const auto ret = const auto ret =
memory->MapMemory(addr, in_addr, len, mem_prot, map_flags, Core::VMAType::Direct, name, memory->MapMemory(addr, in_addr, len, mem_prot, map_flags, Core::VMAType::Direct, name,
false, directMemoryStart, alignment); false, directMemoryStart, alignment);