From: Cong Wang <xiyou.wangc...@gmail.com>
Date: Mon, 6 Aug 2018 11:06:02 -0700
> syzbot reported that we reinitialize an active delayed
> work in vsock_stream_connect():
>
> ODEBUG: init active (active state 0) object type: timer_list hint:
> delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:1414
> WARNING: CPU: 1 PID: 11518 at lib/debugobjects.c:329
> debug_print_object+0x16a/0x210 lib/debugobjects.c:326
>
> The pattern is apparently wrong, we should only initialize
> the dealyed work once and could repeatly schedule it. So we
> have to move out the initializations to allocation side.
> And to avoid confusion, we can split the shared dwork
> into two, instead of re-using the same one.
>
> Fixes: d021c344051a ("VSOCK: Introduce VM Sockets")
> Reported-by: <syzbot+8a9b1bd330476a4f3...@syzkaller.appspotmail.com>
> Cc: Andy king <ack...@vmware.com>
> Cc: Stefan Hajnoczi <stefa...@redhat.com>
> Cc: Jorgen Hansen <jhan...@vmware.com>
> Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com>
Applied and queued up for -stable, thanks.
