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LLVM: Fix nullptr deref when accessing broken cache files

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This commit is contained in:
Elad Ashkenazi 2024-05-29 17:43:23 +03:00
parent a6b2bf69f1
commit c556322fc5
1 changed files with 7 additions and 0 deletions
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7
Utilities/JITLLVM.cpp
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@ -388,6 +388,7 @@ public:
auto buf = llvm::WritableMemoryBuffer::getNewUninitMemBuffer(cached.size()); auto buf = llvm::WritableMemoryBuffer::getNewUninitMemBuffer(cached.size());
cached.read(buf->getBufferStart(), buf->getBufferSize()); cached.read(buf->getBufferStart(), buf->getBufferSize());
return buf; return buf;
} }
@ -615,6 +616,12 @@ void jit_compiler::add(const std::string& path)
{ {
auto cache = ObjectCache::load(path); auto cache = ObjectCache::load(path);
if (!cache)
{
jit_log.error("ObjectCache: Failed to read file. (path='%s', error=%s)", path, fs::g_tls_error);
return;
}
if (auto object_file = llvm::object::ObjectFile::createObjectFile(*cache)) if (auto object_file = llvm::object::ObjectFile::createObjectFile(*cache))
{ {
m_engine->addObjectFile(llvm::object::OwningBinary<llvm::object::ObjectFile>(std::move(*object_file), std::move(cache))); m_engine->addObjectFile(llvm::object::OwningBinary<llvm::object::ObjectFile>(std::move(*object_file), std::move(cache)));