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nvhost_gpu: Added checks to ensure we don't read past the end of the entries when handling a GPU command list.
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1 changed files with 6 additions and 3 deletions
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@ -132,9 +132,12 @@ u32 nvhost_gpu::SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& outp
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LOG_WARNING(Service_NVDRV, "(STUBBED) called, gpfifo={:X}, num_entries={:X}, flags={:X}",
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params.address, params.num_entries, params.flags);
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auto entries = std::vector<IoctlGpfifoEntry>();
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entries.resize(params.num_entries);
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std::memcpy(&entries[0], &input.data()[sizeof(IoctlSubmitGpfifo)],
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ASSERT_MSG(input.size() ==
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sizeof(IoctlSubmitGpfifo) + params.num_entries * sizeof(IoctlGpfifoEntry),
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"Incorrect input size");
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std::vector<IoctlGpfifoEntry> entries(params.num_entries);
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std::memcpy(entries.data(), &input[sizeof(IoctlSubmitGpfifo)],
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params.num_entries * sizeof(IoctlGpfifoEntry));
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for (auto entry : entries) {
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Tegra::GPUVAddr va_addr = entry.Address();
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