Fix Rust LowLevelILFunction owner function method

LowLevelILFunction objects can be constructed without a owner
function. BNGetLowLevelILOwnerFunction can return NULL and must be
checked before creating a Function object.

1 files changed, 5 insertions, 1 deletions

diff --git a/plugins/warp/src/plugin/render_layer.rs b/plugins/warp/src/plugin/render_layer.rs
index 6c446e6f..3417c9b1 100644
--- a/plugins/warp/src/plugin/render_layer.rs
+++ b/plugins/warp/src/plugin/render_layer.rs
@@ -48,7 +48,11 @@ impl HighlightRenderLayer {
         llil: &LowLevelILRegularFunction,
         lines: &mut [DisassemblyTextLine],
     ) {
-        let relocatable_regions = relocatable_regions(&lifted_il.function().view());
+        let Some(owner_function) = lifted_il.function() else {
+            return;
+        };
+
+        let relocatable_regions = relocatable_regions(&owner_function.view());
         for line in lines {
             // We use address here instead of index since it's more reliable for other IL's.
             for lifted_il_instr in filtered_instructions_at(lifted_il, line.address) {