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From: Jakub Kicinski <kubakici@wp.pl>
To: Jiri Pirko <jiri@resnulli.us>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: RCU callback crashes
Date: Tue, 19 Dec 2017 22:22:27 -0800	[thread overview]
Message-ID: <20171219222227.402e684a@cakuba.netronome.com> (raw)
In-Reply-To: <20171220061118.GB1916@nanopsycho>

On Wed, 20 Dec 2017 07:11:18 +0100, Jiri Pirko wrote:
> Wed, Dec 20, 2017 at 02:59:21AM CET, kubakici@wp.pl wrote:
> >Hi!
> >
> >If I run the netdevsim test long enough on a kernel with no debugging   
> 
> Just running tools/testing/selftests/bpf/test_offload.py?

Yes, like this:

while ./linux/tools/testing/selftests/bpf/test_offload.py --log /tmp/log; do echo; done

I usually crashes after ~10 minutes on my machine.

> >I get this:  
> 
> Could you try to run it with kasan on?

I didn't manage to reproduce it with KASAN on so far :(  Even enabling
object debugging to get the second splat in my email (which is more
useful) actually makes the crash go away, I only see the warning...

  reply	other threads:[~2017-12-20  6:22 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-20  1:59 RCU callback crashes Jakub Kicinski
2017-12-20  6:11 ` Jiri Pirko
2017-12-20  6:22   ` Jakub Kicinski [this message]
2017-12-20  6:34     ` Jakub Kicinski
2017-12-20 18:04       ` John Fastabend
2017-12-20 20:17         ` Jakub Kicinski
2017-12-20 20:23           ` John Fastabend
2017-12-20 22:38             ` Cong Wang
2017-12-20 18:17       ` Cong Wang
2017-12-20 18:31         ` Cong Wang
2017-12-21  0:03           ` Cong Wang
2017-12-21  0:08             ` Jakub Kicinski
2017-12-21  0:37             ` Jakub Kicinski
2017-12-21  0:41               ` Jakub Kicinski
2017-12-21  0:50                 ` Jakub Kicinski
2017-12-21  7:27                   ` Cong Wang
2017-12-21 16:26                     ` John Fastabend
2017-12-21 16:56                       ` Jakub Kicinski
2017-12-21 20:17                       ` Cong Wang
2017-12-21 21:31                   ` Cong Wang
2017-12-21 21:45                     ` Jakub Kicinski
2017-12-21  7:24               ` Cong Wang
2017-12-20 19:59         ` Jiri Pirko
2017-12-20 20:14           ` John Fastabend
2017-12-20 20:18             ` Jiri Pirko
2017-12-20 22:25             ` Cong Wang
2017-12-20 20:15           ` Jiri Pirko
2017-12-20 20:18             ` John Fastabend

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