Fix null pointer dereference when a file is not an object file

rust-lang · Aug 14, 2024 · 901c9da · 901c9da
1 parent 7c972d7
commit 901c9da
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp
@@ -80,6 +80,9 @@ LLVMRustGetSymbols(char *BufPtr, size_t BufLen, void *State,
     return ErrorCallback(toString(ObjOrErr.takeError()).c_str());
   }
   std::unique_ptr<object::SymbolicFile> Obj = std::move(*ObjOrErr);
+  if (Obj == nullptr) {
+    return 0;
+  }
 
   for (const object::BasicSymbolRef &S : Obj->symbols()) {
     if (!isArchiveSymbol(S))