linux-kernel - Re: [BUGFIX PATCH v3 0/4] arm: kprobes: Fix to prohibit probing on unsafe functions

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Date:   Sun, 13 May 2018 10:55:33 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Jon Medhurst <tixy@...aro.org>, Wang Nan <wangnan0@...wei.com>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        David Long <dave.long@...aro.org>
Subject: Re: [BUGFIX PATCH v3 0/4] arm: kprobes: Fix to prohibit probing on
 unsafe functions

On Sat, 12 May 2018 10:29:57 -0700
Florian Fainelli <f.fainelli@...il.com> wrote:

> On May 12, 2018 4:31:37 AM PDT, Masami Hiramatsu <mhiramat@...nel.org> wrote:
> >Hi Russell,
> >
> >On Tue, 8 May 2018 12:25:03 +0100
> >Russell King - ARM Linux <linux@...linux.org.uk> wrote:
> >
> >> On Fri, May 04, 2018 at 01:14:31PM +0900, Masami Hiramatsu wrote:
> >> > Hi,
> >> > 
> >> > This is the 3rd version of bugfix series for kprobes on arm.
> >> > This series fixes 4 different issues which I found.
> >> > 
> >> >  - Fix to use smp_processor_id() after disabling preemption.
> >> >  - Prohibit probing on optimized_callback() for avoiding
> >> >    recursive probe.
> >> >  - Prohibit kprobes on do_undefinstr() by same reason.
> >> >  - Prohibit kprobes on get_user() by same reason.
> >> > 
> >> > >From v2, I included another 2 bugfixes (1/4 and 2/4)
> >> > which are not merged yet, and added "Cc: stable@...r.kernel.org",
> >> > since there are obvious bugs.
> >> 
> >> Please submit them to the patch system, thanks.
> >
> >Could you tell me what you mean the patch system?
> 
> This is in Russell's signature:
> 
> RMK's Patch system: http://www.armlinux.org.uk/developer/patches/

Ah, Thanks!
OK, I'll submit via that system!


> 
> -- 
> Florian


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