The seat picked in weston_wm_window_handle_moveresize can sometimes be NULL when it is (somehow) triggered with all buttons released.
This patch checks whether the seat is NULL to avoid NULL dereference. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=80837 Signed-off-by: Boyan Ding <stu_...@126.com> --- xwayland/window-manager.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xwayland/window-manager.c b/xwayland/window-manager.c index f64ef94..6e74b89 100644 --- a/xwayland/window-manager.c +++ b/xwayland/window-manager.c @@ -1250,8 +1250,8 @@ weston_wm_window_handle_moveresize(struct weston_wm_window *window, struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; - if (seat->pointer->button_count != 1 || !window->view - || seat->pointer->focus != window->view) + if (seat == NULL || seat->pointer->button_count != 1 + || !window->view || seat->pointer->focus != window->view) return; detail = client_message->data.data32[2]; -- 2.0.1 _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel