linux-kernel - [PATCH v2 0/2] Improve handling of the __klp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260121082842.3050453-1-petr.pavlu@suse.com>
Date: Wed, 21 Jan 2026 09:28:15 +0100
From: Petr Pavlu <petr.pavlu@...e.com>
To: Josh Poimboeuf <jpoimboe@...nel.org>,
	Jiri Kosina <jikos@...nel.org>,
	Miroslav Benes <mbenes@...e.cz>,
	Petr Mladek <pmladek@...e.com>,
	Joe Lawrence <joe.lawrence@...hat.com>
Cc: Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Daniel Gomez <da.gomez@...nel.org>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Aaron Tomlin <atomlin@...mlin.com>,
	Peter Zijlstra <peterz@...radead.org>,
	live-patching@...r.kernel.org,
	linux-modules@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] Improve handling of the __klp_{objects,funcs} sections in modules

Changes since v1 [1]:
- Generalize the helper function that locates __klp_objects in a module
  to allow it to find objects in other sections as well.

[1] https://lore.kernel.org/linux-modules/20260114123056.2045816-1-petr.pavlu@suse.com/

Petr Pavlu (2):
  livepatch: Fix having __klp_objects relics in non-livepatch modules
  livepatch: Free klp_{object,func}_ext data after initialization

 include/linux/livepatch.h           |  3 +++
 kernel/livepatch/core.c             | 20 ++++++++++++++++++++
 scripts/livepatch/init.c            | 18 +++++++-----------
 scripts/module.lds.S                |  9 ++-------
 tools/objtool/check.c               |  2 +-
 tools/objtool/include/objtool/klp.h | 10 +++++-----
 tools/objtool/klp-diff.c            |  2 +-
 7 files changed, 39 insertions(+), 25 deletions(-)


base-commit: 0f61b1860cc3f52aef9036d7235ed1f017632193
-- 
2.52.0