Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8;
Date:   Mon, 30 Oct 2023 09:59:18 -0400
From:   Steven Rostedt <rostedt@goodmis.org>
To:     "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Linux trace kernel <linux-trace-kernel@vger.kernel.org>,
        Andrii Nakryiko <andrii@kernel.org>,
        Francis Laniel <flaniel@linux.microsoft.com>
Subject: Re: [PATCH for-next] tracing/kprobes: Add symbol counting check
 when module loads
Message-ID: <20231030095918.4ec74c88@gandalf.local.home>
In-Reply-To: <169854904604.132316.12500381416261460174.stgit@devnote2>
References: <169854904604.132316.12500381416261460174.stgit@devnote2>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Precedence: bulk

On Sun, 29 Oct 2023 12:10:46 +0900
"Masami Hiramatsu (Google)" <mhiramat@kernel.org> wrote:

> From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> 
> Check the number of probe target symbols in the target module when
> the module is loaded. If the probe is not on the unique name symbols
> in the module, it will be rejected at that point.
> 
> Note that the symbol which has a unique name in the target module,
> it will be accepted even if there are same-name symbols in the
> kernel or other modules,
> 
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> ---
>  kernel/trace/trace_kprobe.c |  112 ++++++++++++++++++++++++++-----------------
>  1 file changed, 68 insertions(+), 44 deletions(-)

Reviewed-by: Steven Rosted (Google) <rostedt@goodmis.org>

-- Steve