[CRIU] [PATCH] sk-unix: set mntinfo

[Pavel Emelyanov]

On 09/07/2016 05:29 PM, Christian Brauner wrote:
> phys_stat_resolve() call mount_resolve_path() which requires that mntinfo_tree
> in the ns_id struct is initialized. This is a problem we observed with sockets
> on btrfs volumes:

Sorry for the late response. See my comment inline.

> Signed-off-by: Christian Brauner <christian.brauner at canonical.com>
> ---
>  criu/sk-unix.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/criu/sk-unix.c b/criu/sk-unix.c
> index 99f0b08..a199ca4 100644
> --- a/criu/sk-unix.c
> +++ b/criu/sk-unix.c
> @@ -525,6 +525,7 @@ static int unix_process_name(struct unix_sk_desc *d, const struct unix_diag_msg
>  			ret = -ENOENT;
>  			goto out;
>  		}
> +		ns->mnt.mntinfo_tree = mntinfo;

I guess that's too late for this assignment. Since this is dump time, then
ns->mnt.mntinfo_tree should have been initialized in collect_mntns() or
nearby.

>  		mntns_root = mntns_get_root_fd(ns);
>  		if (mntns_root < 0) {
>