public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Oleg Nesterov <oleg@redhat.com>,
	syzkaller <syzkaller@googlegroups.com>,
	Kostya Serebryany <kcc@google.com>,
	Alexander Potapenko <glider@google.com>,
	Sasha Levin <sasha.levin@oracle.com>
Subject: Re: lockdep WARNING in get_online_cpus
Date: Tue, 5 Apr 2016 11:41:34 +0200	[thread overview]
Message-ID: <20160405094134.GJ3448@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <CACT4Y+Z0AwBceU0NxDTSkAFf=TiiVdY1cJjvZ1KUb8DYwdGk-A@mail.gmail.com>

On Mon, Apr 04, 2016 at 11:50:07AM +0200, Dmitry Vyukov wrote:
> Yes, I am able to reproduce it by running:
> 
> # ./syz-execprog  -cover=0 -repeat=0 -procs=20 -nobody=0
> crash-qemu-26-1459761514194788294
> 
> crash-qemu-26-1459761514194788294 being:
> https://gist.githubusercontent.com/dvyukov/bce719c2b7dede54f96d8bbb7c78714f/raw/08a7a237986f0e3bccc7c0e800a3bdaa32e1fc0b/gistfile1.txt


root@ivb-ep:~/gopath/src/github.com/google/syzkaller# ./bin/syz-execprog -cover=0 -repeat=0 -procs=20 -nobody=0 gistfile1.txt
2016/04/05 11:39:37 parsed 391 programs
2016/04/05 11:39:37 executed 0 programs
result: failed=false hanged=false err=failed to start executor binary: fork/exec /root/gopath/src/github.com/google/syzkaller: permission denied

result: failed=false hanged=false err=failed to start executor binary: fork/exec /root/gopath/src/github.com/google/syzkaller: permission denied

result: failed=false hanged=false err=failed to start executor binary: fork/exec /root/gopath/src/github.com/google/syzkaller: permission denied

(which goes on ad inf.)

Clearly I'm not doing it right.. help?

  reply	other threads:[~2016-04-05  9:41 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-02 13:02 lockdep WARNING in get_online_cpus Dmitry Vyukov
2016-04-04  8:19 ` Dmitry Vyukov
2016-04-04  9:01   ` Peter Zijlstra
2016-04-04  9:50     ` Dmitry Vyukov
2016-04-05  9:41       ` Peter Zijlstra [this message]
2016-04-05  9:44         ` Dmitry Vyukov
2016-04-05 11:18           ` Peter Zijlstra
2016-04-05 11:23             ` Dmitry Vyukov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160405094134.GJ3448@twins.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=dvyukov@google.com \
    --cc=glider@google.com \
    --cc=hpa@zytor.com \
    --cc=kcc@google.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=mingo@redhat.com \
    --cc=oleg@redhat.com \
    --cc=sasha.levin@oracle.com \
    --cc=syzkaller@googlegroups.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox