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authorlat9nq <22451773+lat9nq@users.noreply.github.com>2021-04-04 21:39:38 +0200
committerlat9nq <22451773+lat9nq@users.noreply.github.com>2021-04-05 06:49:09 +0200
commit638c892edf806837702f80ad5a0e57da0c8dbabe (patch)
tree9f078a2483f31b6a3744834b31a83b75346c35d8 /src/core/hle
parentMerge pull request #6139 from Morph1984/cmake-fix-build (diff)
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Diffstat (limited to 'src/core/hle')
-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
index 933d42f3f..2edd803f3 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
@@ -248,7 +248,13 @@ NvResult nvhost_ctrl_gpu::ZBCSetTable(const std::vector<u8>& input, std::vector<
IoctlZbcSetTable params{};
std::memcpy(&params, input.data(), input.size());
// TODO(ogniK): What does this even actually do?
- std::memcpy(output.data(), &params, output.size());
+
+ // Prevent null pointer being passed as arg 1
+ if (output.empty()) {
+ LOG_WARNING(Service_NVDRV, "Avoiding passing null pointer to memcpy");
+ } else {
+ std::memcpy(output.data(), &params, output.size());
+ }
return NvResult::Success;
}