Bug 12377 - CONFIG_SLUB_DEBUG configuration is inconsistent
Summary: CONFIG_SLUB_DEBUG configuration is inconsistent
Status: CLOSED FIXED
Alias: None
Product: IPFire
Classification: Unclassified
Component: --- (show other bugs)
Version: 2
Hardware: all All
: Will affect all users Security
Assignee: Peter Müller
QA Contact:
URL:
Keywords:
Depends on:
Blocks: KERNSEC
  Show dependency tree / graph
 
Reported: 2020-04-14 15:51 UTC by Peter Müller
Modified: 2020-07-01 15:16 UTC (History)
0 users

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Peter Müller 2020-04-14 15:51:13 UTC 
Quote from https://capsule8.com/blog/kernel-configuration-glossary/:

> Significance. Medium
> 
> SLUB has extensive debug support features. Disabling these can result in
> significant savings in code size. This also disables SLUB sysfs support.
> /sys/slab will not exist and there will be no support for cache validation etc.

This is currently disabled on aarch64 and armv5tel, I doubt we need this somewhere else.
Comment 1 Peter Müller 2020-06-09 17:46:31 UTC 
Is this kind of thing supposed to be turned off or on then?
Comment 3 Peter Müller 2020-06-09 17:51:21 UTC 
https://patchwork.ipfire.org/patch/3178/