explicitly disable ASAN on forwarded to_arrow

crates/re_types_builder/src/codegen/cpp/mod.rs

@@ -1462,13 +1462,12 @@ fn to_arrow_method(
         quote! {#namespace_ident}
     };
 
-    let (inline, definition_body) = if transparent_forwarded_fqname(obj).is_some() {
-        (
-            true,
-            quote! {
-                return Loggable<TypeFwd>::to_arrow(reinterpret_cast<const TypeFwd*>(instances), num_instances);
-            },
-        )
+    let is_forwarding = transparent_forwarded_fqname(obj).is_some();
+
+    let definition_body = if is_forwarding {
+        quote! {
+            return Loggable<TypeFwd>::to_arrow(reinterpret_cast<const TypeFwd*>(instances), num_instances);
+        }
     } else {
         hpp_includes.insert_rerun("result.hpp");
         declarations.insert("arrow", ForwardDecl::Class(format_ident!("Array")));
@@ -1479,28 +1478,34 @@ fn to_arrow_method(
         let arrow_builder_type =
             arrow_array_builder_type_object(obj, objects, &mut ForwardDecls::default());
 
-        (
-            false,
-            quote! {
-                #NEWLINE_TOKEN
-                #todo_pool
-                arrow::MemoryPool* pool = arrow::default_memory_pool();
-                auto datatype = arrow_datatype();
-                #NEWLINE_TOKEN
-                #NEWLINE_TOKEN
-                ARROW_ASSIGN_OR_RAISE(auto builder, arrow::MakeBuilder(datatype, pool))
-                if (instances && num_instances > 0) {
-                    RR_RETURN_NOT_OK(Loggable<#quoted_namespace::#type_ident>::fill_arrow_array_builder(
-                        static_cast<arrow::#arrow_builder_type*>(builder.get()),
-                        instances,
-                        num_instances
-                    ));
-                }
-                std::shared_ptr<arrow::Array> array;
-                ARROW_RETURN_NOT_OK(builder->Finish(&array));
-                return array;
-            },
-        )
+        quote! {
+            #NEWLINE_TOKEN
+            #todo_pool
+            arrow::MemoryPool* pool = arrow::default_memory_pool();
+            auto datatype = arrow_datatype();
+            #NEWLINE_TOKEN
+            #NEWLINE_TOKEN
+            ARROW_ASSIGN_OR_RAISE(auto builder, arrow::MakeBuilder(datatype, pool))
+            if (instances && num_instances > 0) {
+                RR_RETURN_NOT_OK(Loggable<#quoted_namespace::#type_ident>::fill_arrow_array_builder(
+                    static_cast<arrow::#arrow_builder_type*>(builder.get()),
+                    instances,
+                    num_instances
+                ));
+            }
+            std::shared_ptr<arrow::Array> array;
+            ARROW_RETURN_NOT_OK(builder->Finish(&array));
+            return array;
+        }
+    };
+
+    let return_type = if is_forwarding {
+        // Disable asan since we got rather strange spurious ci failure on Linux with these methods:
+        // Some Linux runs end up spamming `AddressSanitizer:DEADLYSIGNAL`` indefinitely with no additional information.1
+        hpp_includes.insert_rerun("compiler_utils.hpp"); // RR_DISABLE_ASAN
+        quote! { RR_DISABLE_ASAN Result<std::shared_ptr<arrow::Array>> }
+    } else {
+        quote! { Result<std::shared_ptr<arrow::Array>> }
     };
 
     Method {
@@ -1510,13 +1515,13 @@ fn to_arrow_method(
         .into(),
         declaration: MethodDeclaration {
             is_static: true,
-            return_type: quote! { Result<std::shared_ptr<arrow::Array>> },
+            return_type,
             name_and_parameters: quote! {
                 to_arrow(const #quoted_namespace::#type_ident* instances, size_t num_instances)
             },
         },
         definition_body,
-        inline,
+        inline: is_forwarding,
     }
 }
 

rerun_cpp/src/rerun/compiler_utils.hpp

@@ -52,3 +52,12 @@
 #else
 #define RR_DISABLE_DEPRECATION_WARNING
 #endif
+
+// Disable ASAN.
+#if defined(__GNUC__) || defined(__clang__)
+#define RR_DISABLE_ASAN __attribute__((no_sanitize("address")))
+#elif defined(_MSC_VER)
+#define RR_DISABLE_ASAN __declspec(no_sanitize_address)
+#else
+#define RR_DISABLE_ASAN
+#endif