On Tue, Jul 22, 2014 at 11:52:02AM +0300, Julian Anastasov wrote:
> > > - if (copylen > 128)
> > > + if (*len < (int) copylen || *len < 0) {
> > > + pr_err("get_ctl: len %d < %u\n", *len, copylen);
> >
> > Don't let users flood dmesg. Just return an error. (This can be
> > triggered by non-root as well).
>
> For now both set and get are privileged operations,
> so we can keep it, it can catch if something wrong happens
> with the structure sizes.
If you have namespaces enabled then it's not *that* privaleged.
regards,
dan carpenter
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