linux-kernel - [PATCH 0/3] module: Livepatch/ftrace fixes

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: <cover.1560474114.git.jpoimboe@redhat.com>
Date:   Thu, 13 Jun 2019 20:07:21 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Jessica Yu <jeyu@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Petr Mladek <pmladek@...e.com>, Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        linux-kernel@...r.kernel.org, live-patching@...r.kernel.org,
        Johannes Erdfelt <johannes@...felt.com>,
        Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 0/3] module: Livepatch/ftrace fixes

Patch 1 fixes a module loading race between livepatch and ftrace.

Patch 2 adds lockdep assertions assocated with patch 1.

Patch 3 fixes a theoretical bug in the module __ro_after_init section
handling.

Josh Poimboeuf (3):
  module: Fix livepatch/ftrace module text permissions race
  module: Add text_mutex lockdep assertions for page attribute changes
  module: Improve module __ro_after_init handling

 arch/arm64/kernel/ftrace.c |  2 +-
 include/linux/module.h     |  4 ++--
 kernel/livepatch/core.c    | 10 ++++++++--
 kernel/module.c            | 29 ++++++++++++++++++++++-------
 kernel/trace/ftrace.c      | 10 +++++++++-
 5 files changed, 42 insertions(+), 13 deletions(-)

-- 
2.20.1