[rtc] Re: BUG: workqueue lockup (4)

From: Eric Biggers
Date: Mon Jun 10 2019 - 19:54:31 EST


On Sun, Oct 07, 2018 at 09:39:18PM +0200, Alexandre Belloni wrote:
> Hi,
>
> On 07/10/2018 14:18:31+0200, Dmitry Vyukov wrote:
> > On Sun, Oct 7, 2018 at 2:15 PM, syzbot
> > <syzbot+08116743f8ad6f9a6de7@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> > > Hello,
> > >
> > > syzbot found the following crash on:
> > >
> > > HEAD commit: c1d84a1b42ef Merge git://git.kernel.org/pub/scm/linux/kern..
> > > git tree: upstream
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=14c5f491400000
> > > kernel config: https://syzkaller.appspot.com/x/.config?x=c0af03fe452b65fb
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=08116743f8ad6f9a6de7
> > > compiler: gcc (GCC) 8.0.1 20180413 (experimental)
> > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14514a6e400000
> > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1025ebb9400000
> >
> > The reproducer seems to be all about rtc. So +rtc maintainers.
> >
>
> It seems to be that bug:
> http://patchwork.ozlabs.org/patch/898552/
>
> I'm pretty sure the fix is not correct though and didn't have the time
> to work on a proper fix.
>

Is there any plan to actually fix this? Because this bug is still open, syzbot
isn't able to report "workqueue lockup" bugs elsewhere in the kernel.

- Eric