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nvhost_ctrl_gpu: Only read the input parameters if they are actually there.
Passing nullptr to memcpy is undefined behavior.
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57cd80c410
commit
2482aca7c3
1 changed files with 11 additions and 3 deletions
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@ -97,7 +97,9 @@ u32 nvhost_ctrl_gpu::GetTPCMasks(const std::vector<u8>& input, std::vector<u8>&
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u32 nvhost_ctrl_gpu::GetActiveSlotMask(const std::vector<u8>& input, std::vector<u8>& output) {
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LOG_DEBUG(Service_NVDRV, "called");
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IoctlActiveSlotMask params{};
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std::memcpy(¶ms, input.data(), input.size());
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if (input.size() > 0) {
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std::memcpy(¶ms, input.data(), input.size());
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}
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params.slot = 0x07;
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params.mask = 0x01;
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std::memcpy(output.data(), ¶ms, output.size());
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@ -107,7 +109,9 @@ u32 nvhost_ctrl_gpu::GetActiveSlotMask(const std::vector<u8>& input, std::vector
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u32 nvhost_ctrl_gpu::ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output) {
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LOG_DEBUG(Service_NVDRV, "called");
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IoctlZcullGetCtxSize params{};
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std::memcpy(¶ms, input.data(), input.size());
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if (input.size() > 0) {
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std::memcpy(¶ms, input.data(), input.size());
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}
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params.size = 0x1;
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std::memcpy(output.data(), ¶ms, output.size());
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return 0;
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@ -116,7 +120,11 @@ u32 nvhost_ctrl_gpu::ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u
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u32 nvhost_ctrl_gpu::ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output) {
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LOG_DEBUG(Service_NVDRV, "called");
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IoctlNvgpuGpuZcullGetInfoArgs params{};
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std::memcpy(¶ms, input.data(), input.size());
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if (input.size() > 0) {
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std::memcpy(¶ms, input.data(), input.size());
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}
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params.width_align_pixels = 0x20;
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params.height_align_pixels = 0x20;
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params.pixel_squares_by_aliquots = 0x400;
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