From: Jakub Kicinski <kubakici@wp.pl>
To: John Fastabend <john.fastabend@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: RCU callback crashes
Date: Wed, 20 Dec 2017 12:17:41 -0800 [thread overview]
Message-ID: <20171220121705.18401098@cakuba.netronome.com> (raw)
In-Reply-To: <a6840ce4-d4a8-19c5-f8a5-3dfc00aa7e4b@gmail.com>
On Wed, 20 Dec 2017 10:04:17 -0800, John Fastabend wrote:
> On 12/19/2017 10:34 PM, Jakub Kicinski wrote:
> > On Tue, 19 Dec 2017 22:22:27 -0800, Jakub Kicinski wrote:
> >>>> 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...
> >
> > Ah, no object debug but KASAN on produces this:
> >
>
> @Jakub, This is with mq and pfifo_fast I guess?
Sorry for falling silent, I was convinced I saw this before your code
went in, it just takes a lot longer to trigger... I've been running
net-next from Dec 1st now for an hour now and it didn't crash :/
Trying KASAN now..
next prev parent reply other threads:[~2017-12-20 20:17 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
2017-12-20 6:34 ` Jakub Kicinski
2017-12-20 18:04 ` John Fastabend
2017-12-20 20:17 ` Jakub Kicinski [this message]
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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