Re: [MAILER-DAEMON@mail.linuxfoundation.org: Undelivered MailReturned to Sender]

From: Serge E. Hallyn
Date: Thu Nov 10 2011 - 09:32:49 EST


...
> > Would you prefer something like:
> >
> > +#ifdef CONFIG_USER_NS
> > +static inline void fixup_uid(struct siginfo *info, struct task_struct *t)
> > +{
> > +       if (current_user_ns() == task_cred_xxx(t, user_ns))
> > +               return;
> > +
> > +       if (SI_FROMKERNEL(info))
> > +               return;
> > +
> > +       info->si_uid = user_ns_map_uid(task_cred_xxx(t, user_ns),
> > +                                       current_cred(), info->si_uid);
> > +}
> > +#else
> > +static inline void fixup_uid(struct siginfo *info, struct task_struct *t)
> > +{
> > +               return;
> > +}
> > +#endif
> >
> > ?  It's less sneaky at least.
>
> Very much. The current version looks like a bug.

Thanks, I'll switch to that and hopefully resend the set soon.

-serge
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/