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Merge pull request #1478 from ogniK5377/remap-invalidhandle-remap

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Passing an invalid nmap handle to Remap should throw an error
This commit is contained in:
bunnei 2018-10-12 12:07:14 -04:00 committed by GitHub
commit 0f7ab3e21a
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1 changed files with 10 additions and 3 deletions
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13
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
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@ -15,6 +15,11 @@
#include "video_core/renderer_base.h"
namespace Service::Nvidia::Devices {
namespace NvErrCodes {
enum {
InvalidNmapHandle = -22,
};
}
nvhost_as_gpu::nvhost_as_gpu(std::shared_ptr<nvmap> nvmap_dev) : nvmap_dev(std::move(nvmap_dev)) {}
nvhost_as_gpu::~nvhost_as_gpu() = default;
@ -79,14 +84,16 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
std::memcpy(entries.data(), input.data(), input.size());
auto& gpu = Core::System::GetInstance().GPU();
for (const auto& entry : entries) {
LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
entry.offset, entry.nvmap_handle, entry.pages);
Tegra::GPUVAddr offset = static_cast<Tegra::GPUVAddr>(entry.offset) << 0x10;
auto object = nvmap_dev->GetObject(entry.nvmap_handle);
ASSERT(object);
if (!object) {
LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
std::memcpy(output.data(), entries.data(), output.size());
return static_cast<u32>(NvErrCodes::InvalidNmapHandle);
}
ASSERT(object->status == nvmap::Object::Status::Allocated);