Re: [PATCH V2] binder: ipc namespace support for android binder

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 29 Oct 2018 06:18:11 +0000 chouryzhou(周威) <chouryzhou@xxxxxxxxxxx> wrote:

>   We are working for running android in container, but we found that binder is
> not isolated by ipc namespace. Since binder is a form of IPC and therefore should
> be tied to ipc namespace. With this patch, we can run more than one android
> container on one host.
>   This patch move "binder_procs" and "binder_context" into ipc_namespace,
> driver will find the context from it when opening. Althought statistics in debugfs
> remain global.
> 
> ...
>
> --- a/ipc/namespace.c
> +++ b/ipc/namespace.c
> @@ -56,6 +56,9 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns,
>         ns->ucounts = ucounts;
>  
>         err = mq_init_ns(ns);
> +       if (err)
> +               goto fail_put;
> +       err = binder_init_ns(ns);
>         if (err)
>                 goto fail_put;
>  

Don't we need an mq_put_mnt() if binder_init_ns() fails?

free_ipc_ns() seems to have forgotten about that too.  In which case it
must be madly leaking mounts so probably I'm wrong.  Confused.

_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel




[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux