linux-kernel - Re: [PATCH v3 3/3] selftests: livepatch: test livepatching a kprobed function

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-prev] [day] [month] [year] [list]

Message-ID: <alpine.LSU.2.21.2409271453340.15317@pobox.suse.cz>
Date: Fri, 27 Sep 2024 14:54:43 +0200 (CEST)
From: Miroslav Benes <mbenes@...e.cz>
To: Michael Vetter <mvetter@...e.com>
cc: linux-kselftest@...r.kernel.org, live-patching@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] selftests: livepatch: test livepatching a kprobed
 function

Hi,

On Fri, 20 Sep 2024, Michael Vetter wrote:

> +# Kprobe a function and verify that we can't livepatch that same function
> +# when it uses a post_handler since only one IPMODIFY maybe be registered
> +# to any given function at a time.
> +
> +start_test "livepatch interaction with kprobed function with post_handler"
> +
> +echo 1 > /sys/kernel/debug/kprobes/enabled

opencoded here again.

The rest looks good to me.

Miroslav