[PATCH v2 19/28] stat: handle fsid mappings

Tycho Andersen tycho at tycho.ws
Fri Feb 14 19:03:14 UTC 2020


On Fri, Feb 14, 2020 at 07:35:45PM +0100, Christian Brauner wrote:
> @@ -471,8 +484,13 @@ static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf)
>  #endif
>  	tmp.st_mode = stat->mode;
>  	tmp.st_nlink = stat->nlink;
> -	tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
> -	tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
> +	if (stat->userns_visible) {
> +		tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid);
> +		tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid);
> +	} else {
> +		tmp.st_uid, from_kfsuid_munged(current_user_ns(), stat->uid);
> +		tmp.st_gid, from_kfsgid_munged(current_user_ns(), stat->gid);
> +	}

I suppose this should be = ?

Tycho


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