Fixed regressions

librz/bin/bin_demangle.c

@@ -20,7 +20,7 @@
 	} while (0)
 
 static const char *get_mangled_name(const char *mangled) {
-	if (!strncmp(mangled, "__OBJC_$", strlen("__OBJC_$"))) {
+	if (!mangled || !strncmp(mangled, "__OBJC_$", strlen("__OBJC_$"))) {
 		// this is never a mangled name
 		return NULL;
 	}

librz/bin/bobj.c

@@ -201,6 +201,7 @@ RZ_IPI void rz_bin_object_free(RzBinObject *o) {
 	rz_list_free(o->sections);
 	rz_list_free(o->symbols);
 	rz_list_free(o->vfiles);
+	rz_list_free(o->resources);
 	for (ut32 i = 0; i < RZ_BIN_SPECIAL_SYMBOL_LAST; i++) {
 		free(o->binsym[i]);
 	}

librz/bin/bobj_process_class.c

@@ -35,6 +35,9 @@ static void process_class_field(RzBinObject *o, RzBinClassField *field) {
 }
 
 static void process_handle_class(RzBinObject *o, RzBinClass *klass) {
+	if (!klass->name) {
+		klass->name = rz_str_new("unknown_class");
+	}
 	RzBinClass *found = ht_pp_find(o->name_to_class_object, klass->name, NULL);
 	if (!found) {
 		ht_pp_insert(o->name_to_class_object, klass->name, klass);

librz/bin/bobj_process_file.c

@@ -58,7 +58,7 @@ RZ_IPI void rz_bin_set_and_process_file(RzBinFile *bf, RzBinObject *o) {
 
 	sdb_free(o->kv);
 	if (!plugin->get_sdb || !(o->kv = plugin->get_sdb(bf))) {
-		o->kv = NULL;
+		o->kv = sdb_new0();
 	}
 
 	rz_list_free(o->mem);

librz/bin/bobj_process_import.c

@@ -49,6 +49,10 @@ RZ_IPI void rz_bin_process_imports(RzBinFile *bf, RzBinObject *o, const RzDemang
 	RzListIter *it;
 	RzBinImport *element;
 	rz_list_foreach (o->imports, it, element) {
+		if (!element->name) {
+			continue;
+		}
+
 		// demangle the import
 		if (!rz_bin_demangle_import(element, demangler) ||
 			!language_cb) {

librz/bin/bobj_process_symbol.c

@@ -66,6 +66,10 @@ static void process_handle_symbol(RzBinSymbol *symbol, RzBinObject *o, const RzD
 	// rebase physical address
 	symbol->paddr += o->opts.loadaddr;
 
+	if (!symbol->name) {
+		return;
+	}
+
 	// add symbol to the 'import' map[name]symbol
 	if (symbol->is_imported && RZ_STR_ISNOTEMPTY(symbol->name)) {
 		if (!ht_pp_find(o->import_name_symbols, symbol->name, NULL)) {