linux-kernel - Re: [ftrace/kprobes PATCH 0/3] tracing: probeevent: Fix module symbol probing

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Date:   Thu, 27 Sep 2018 19:48:58 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [ftrace/kprobes PATCH 0/3] tracing: probeevent: Fix module
 symbol probing

Hello Steve,

Could you also include this series to the branch?

Thank you,

On Wed, 29 Aug 2018 01:17:18 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> Hi,
> 
> This series is for fixing some bugs in Steve's ftrace/kprobes branch.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
> 
> Which is based on my fetcharg improvement series.
> 
> https://lkml.org/lkml/2018/4/25/601
> 
> This includes following fixes.
> 
> - Fix copy_from_user() misusing which Dan was reported.
> - Fix to reject incorrect probeevent on loaded kernel module.
> - Fix to update symbol-based argument on module.
>   This also checks the symbol-based argument is correct or not when
>   target module is loaded. If it is not correct, the event is kept
>   unavailable.
> 
> Thank you,
> 
> ---
> 
> Masami Hiramatsu (3):
>       tracing/uprobes: Fix to return -EFAULT if copy_from_user failed
>       tracing/kprobes: Check the probe on unloaded module correctly
>       tracing/kprobes: Allow kprobe-events to record module symbol
> 
> 
>  kernel/trace/trace_kprobe.c |   51 ++++++++++++++++++++++++++---------
>  kernel/trace/trace_probe.c  |   62 +++++++++++++++++++++++++++++++++++++------
>  kernel/trace/trace_probe.h  |    4 ++-
>  kernel/trace/trace_uprobe.c |    2 +
>  4 files changed, 95 insertions(+), 24 deletions(-)
> 
> --
> Masami Hiramatsu (Linaro) <mhiramat@...nel.org>


-- 
Masami Hiramatsu <mhiramat@...nel.org>