From ae38b2efa96ca58410857268c3c2119c16a4a141 Mon Sep 17 00:00:00 2001 From: Vitalii Vorobiov Date: Sat, 22 Nov 2014 11:05:59 +0900 Subject: [PATCH] DBUS Menu: fixing SIGSEV and SIGBUS when trying to use dbus. Summary: Using of dbus menu causes a weird exception that looks like this (for example in function elm_win_main_menu_get(Evas_Object *win)): > EINA: Data at address 0x0 is invalid. Replacing with zero page. > mmap: Operation not permitted > ERR<22270>:eina_mmap lib/eina/eina_mmap.c:110 _eina_mmap_safe_sigbus() > Failed to mmap() /dev/zero in place of page. SIGBUS!!! > Aborted (core dumped) This issue appears because there is a lot of places where Elm_Object_Item is used, but it should be Elm_Menu_Item_Data. This issue could be reproduced with elementary_test: 1. run elementary test with dbus enabled. 2. find "Systray Item" button and click on it. 3. get SIGSEV in your console. @fix Reviewers: cedric, raster, seoz, Hermet Reviewed By: Hermet Subscribers: reutskiy.v.v Differential Revision: https://phab.enlightenment.org/D1681 --- legacy/elementary/AUTHORS | 1 + legacy/elementary/src/lib/elm_dbus_menu.c | 22 +++++++++++++--------- 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/legacy/elementary/AUTHORS b/legacy/elementary/AUTHORS index ec475be1b3..7b1f314d02 100644 --- a/legacy/elementary/AUTHORS +++ b/legacy/elementary/AUTHORS @@ -159,3 +159,4 @@ Jae Yong Hwang Kabeer Khan yinsc Woochan Lee +Vitalii Vorobiov diff --git a/legacy/elementary/src/lib/elm_dbus_menu.c b/legacy/elementary/src/lib/elm_dbus_menu.c index 84a5e59371..43f270dcde 100644 --- a/legacy/elementary/src/lib/elm_dbus_menu.c +++ b/legacy/elementary/src/lib/elm_dbus_menu.c @@ -63,7 +63,7 @@ _menu_add_recursive(Elm_DBus_Menu *dbus_menu, Elm_Menu_Item_Data *item) { int32_t id; Eina_List *l; - Elm_Menu_Item_Data *subitem; + Elm_Object_Item *obj_subitem; id = ++dbus_menu->timestamp; if (!eina_hash_add(dbus_menu->elements, &id, item)) @@ -71,8 +71,9 @@ _menu_add_recursive(Elm_DBus_Menu *dbus_menu, Elm_Menu_Item_Data *item) item->dbus_idx = id; - EINA_LIST_FOREACH (item->submenu.items, l, subitem) + EINA_LIST_FOREACH (item->submenu.items, l, obj_subitem) { + ELM_MENU_ITEM_DATA_GET(obj_subitem, subitem); if (!_menu_add_recursive(dbus_menu, subitem)) return EINA_FALSE; } @@ -300,8 +301,8 @@ _layout_build_recursive(Elm_Menu_Item_Data *item, Eldbus_Message_Iter *iter) { Eina_List *l; - Elm_Menu_Item_Data *subitem; Eldbus_Message_Iter *layout, *array, *variant; + Elm_Object_Item *obj_subitem; layout = eldbus_message_iter_container_new(iter, 'r', NULL); eldbus_message_iter_basic_append(layout, 'i', item->dbus_idx); @@ -310,10 +311,11 @@ _layout_build_recursive(Elm_Menu_Item_Data *item, if (recursion_depth > 0) { - EINA_LIST_FOREACH (item->submenu.items, l, subitem) + EINA_LIST_FOREACH (item->submenu.items, l, obj_subitem) { variant = eldbus_message_iter_container_new(array, 'v', "(ia{sv}av)"); + ELM_MENU_ITEM_DATA_GET(obj_subitem, subitem); _layout_build_recursive(subitem, property_list, recursion_depth - 1, variant); eldbus_message_iter_container_close(array, variant); @@ -333,7 +335,7 @@ _root_layout_build(Elm_DBus_Menu *dbus_menu, Eina_List *property_list, const Eina_List *ret = NULL; Eina_List *items; Eina_List *l; - Elm_Menu_Item_Data *item; + Elm_Object_Item *obj_item; layout = eldbus_message_iter_container_new(iter, 'r', NULL); eldbus_message_iter_basic_append(layout, 'i', 0); @@ -360,10 +362,11 @@ _root_layout_build(Elm_DBus_Menu *dbus_menu, Eina_List *property_list, { eo_do(dbus_menu->menu, ret = elm_obj_menu_items_get()); items = (Eina_List *)ret; - EINA_LIST_FOREACH (items, l, item) + EINA_LIST_FOREACH (items, l, obj_item) { variant = eldbus_message_iter_container_new(array, 'v', - "(ia{sv}av)"); + "(ia{sv}av)"); + ELM_MENU_ITEM_DATA_GET(obj_item, item); _layout_build_recursive(item, property_list, recursion_depth - 1, variant); eldbus_message_iter_container_close(array, variant); @@ -420,7 +423,7 @@ _elm_dbus_menu_add(Eo *menu) Elm_DBus_Menu *dbus_menu; const Eina_List *ret = NULL; Eina_List *items, *l; - Elm_Menu_Item_Data *item; + Elm_Object_Item *obj_item; ELM_MENU_CHECK(menu) NULL; @@ -442,8 +445,9 @@ _elm_dbus_menu_add(Eo *menu) eo_do(menu, ret = elm_obj_menu_items_get()); items = (Eina_List *)ret; - EINA_LIST_FOREACH (items, l, item) + EINA_LIST_FOREACH (items, l, obj_item) { + ELM_MENU_ITEM_DATA_GET(obj_item, item); if (!_menu_add_recursive(dbus_menu, item)) { ERR("Unable to add menu item");