From d0ac62440395566f8a68a7b6d8cb2038094aba7d Mon Sep 17 00:00:00 2001 From: Frederic L <frederic.laing.development@gmail.com> Date: Sun, 3 Feb 2019 01:22:01 -0300 Subject: [PATCH] gl_shader_disk_cache: Check LZ4 size limit Co-Authored-By: ReinUsesLisp <reinuseslisp@airmail.cc> --- src/video_core/renderer_opengl/gl_shader_disk_cache.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp index 67fcf3061b..81882822b4 100644 --- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp +++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp @@ -53,6 +53,10 @@ ShaderCacheVersionHash GetShaderCacheVersionHash() { template <typename T> std::vector<u8> CompressData(const T* source, std::size_t source_size) { + if (source_size > LZ4_MAX_INPUT_SIZE) { + // Source size exceeds LZ4 maximum input size + return {}; + } const auto source_size_int = static_cast<int>(source_size); const int max_compressed_size = LZ4_compressBound(source_size_int); std::vector<u8> compressed(max_compressed_size);