Re: livepatch: old_name@old_addr scheme in livepatch sysfs directory
- From
- Jiri Kosina <hidden>
- Date
- 2015-11-01 09:07:25
- Also in
- lkml
- Reply to
- Chris J Arges, 2015-11-01
On Sat, 31 Oct 2015, Chris J Arges wrote:
Makes sense to me. Is there a reason why the sysfs entries are visible to non-root users?
Well, kptr_restrict applies only to values printed using '%pK'. So if the
sysfs handler is using other printk() format string to print the pointer,
it'll be leaked out (and should eventually be fixed).
Thanks,
--
Jiri Kosina
SUSE Labs