linux-kernel - Re: [PATCH -tip ] [BUGFIX] kprobes: Fix arch_prepare

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Date:	Thu, 06 Jun 2013 17:06:46 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	"Frank Ch. Eigler" <fche@...hat.com>, systemtap@...rceware.org,
	yrl.pp-manager.tt@...achi.com
Subject: Re: [PATCH -tip ] [BUGFIX] kprobes: Fix arch_prepare_kprobe to
 handle copy insn failures

On Wed, 2013-06-05 at 12:12 +0900, Masami Hiramatsu wrote:
> Fix arch_prepare_kprobe() to handle failures in copy instruction
> correctly. This fix is related to the previous fix: 8101376
> which made __copy_instruction return an error result if failed,
> but caller site was not updated to handle it. Thus, this is the
> other half of the bugfix.
> 
> This fix is also related to the following bug-report:
> 
>    https://bugzilla.redhat.com/show_bug.cgi?id=910649
> 
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
> Cc: Frank Ch. Eigler <fche@...hat.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>

Acked-by: Steven Rostedt <rostedt@...dmis.org>

-- Steve

> Cc: Ingo Molnar <mingo@...nel.org>
> ---
>  arch/x86/kernel/kprobes/core.c |   14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 


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