Re: [PATCH] User namespaces: set of cleanups (eventually for linux-next?)
From: David Howells
Date: Thu Oct 16 2008 - 19:55:27 EST
Serge E. Hallyn <serue@xxxxxxxxxx> wrote:
> David, since this consumes your patch, I wasn't sure whether it was
> appropriate to put your signed-off-by on here or not. I decided
> doing so was the worse of the potential offenses...
The way I think I'd've done it is to include my patch description and
signed-off-by then list your additional changes (just keep on incrementing the
point numbers) and your signed-off-by.
> - new_user = alloc_uid(current->nsproxy->user_ns, new->uid);
> + new_user = alloc_uid(current_user()->user_ns, new->uid);
That should be current_user_ns() rather than current_user()->user_ns. I made
this change before adding the macro.
> + key_put(new->thread_keyring);
> + new->thread_keyring = NULL;
Superfluous. copy_creds() does this immediately upon return.
Also, in copy_creds(), should the session and process keyrings be discarded if
CLONE_NEWUSER is set? Actually, I think that should be dealt with by a patch
to deal with namespacing keyrings as the user-default keyrings need to be
namespaced rather than here.
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