Add check for nullptr dereference in process_port

chipsalliance · Nov 28, 2024 · e780935 · e780935
1 parent fa2bcb1
commit e780935
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/frontends/systemverilog/uhdm_ast.cc b/src/frontends/systemverilog/uhdm_ast.cc
@@ -4997,6 +4997,8 @@ void UhdmAst::process_port()
     std::vector<AST::AstNode *> unpacked_ranges; // comes after wire name
     if (lowConn_h) {
         vpiHandle actual_h = vpi_handle(vpiActual, lowConn_h);
+        if (!actual_h)
+            log_error("vpiPort doesn't contain vpiActual in it's subtree. Aborting.\n");
         auto actual_type = vpi_get(vpiType, actual_h);
         switch (actual_type) {
         case vpiModport: {