On Fri, Mar 15, 2019 at 11:44:45AM +0000, David Howells wrote: > Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> wrote: > > > [ 0.839322] RIP: 0010:sysfs_init_fs_context+0x82/0xd0 > > Could you load your kernel into gdb and then do: > > i li *sysfs_init_fs_context+0x82 Doesn't seem necessary as per my mail to Al a few seconds ago: kobj_ns_grab_current(KOBJ_NS_TYPE_NET) returns NULL, so fc->user_ns = get_user_ns(netns->user_ns); will try to dereference a null pointer. Thanks, Dominik