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

From: Masami Hiramatsu
Date: Thu Sep 27 2018 - 06:49:05 EST


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@xxxxxxxxxx> 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@xxxxxxxxxx>


--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>