linux-kernel - Re: [lkp] [x86/mm/64] 4bc0303aff: BUG: stack guard page was hit at ffffc900001bbff8

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Message-ID: <20160808105835.26587bb7@gandalf.local.home>
Date:	Mon, 8 Aug 2016 10:58:35 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Andy Lutomirski <luto@...capital.net>,
	kernel test robot <xiaolong.ye@...el.com>,
	Andy Lutomirski <luto@...nel.org>,
	Nadav Amit <nadav.amit@...il.com>,
	Brian Gerst <brgerst@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, LKP <lkp@...org>
Subject: Re: [lkp] [x86/mm/64] 4bc0303aff: BUG: stack guard page was hit at
 ffffc900001bbff8

On Mon, 8 Aug 2016 10:56:49 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> Yeah, looking at the error path, if registering an ops cause a
> ftrace_bug, then ftrace is completely (well, mostly) which means that
                                                      ^
I left out the word...                             disabled

> if the user unregistered the ops, nothing would happen. It which case,

  "In which case"

> if it freed the ops after it failed, then we can have this case.
> 

Not enough coffee on this Monday morning.

-- Steve