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SubjectRe: linux-next boot error: WARNING in corrupted
On Fri, Jul 5, 2019 at 11:37 AM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> On Fri, Jul 5, 2019 at 11:23 AM Rafael J. Wysocki <rjw@rjwysocki.net> wrote:
> >
> > On Thursday, July 4, 2019 7:27:04 PM CEST syzbot wrote:
> > > Hello,
> > >
> > > syzbot found the following crash on:
> > >
> > > HEAD commit: 16c474c9 Add linux-next specific files for 20190704
> > > git tree: linux-next
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=17f8b463a00000
> > > kernel config: https://syzkaller.appspot.com/x/.config?x=983f02aae1ef31b6
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=de771ae9390dffed7266
> > > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> > >
> > > Unfortunately, I don't have any reproducer for this crash yet.
> > >
> > > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > > Reported-by: syzbot+de771ae9390dffed7266@syzkaller.appspotmail.com
> > >
> ...
> > > ------------[ cut here ]------------
> > > __dev_pm_qos_remove_request() called for unknown object
> > > WARNING: CPU: 1 PID: 1 at drivers/base/power/qos.c:486
> > > __dev_pm_qos_remove_request+0x3d3/0x4d0 drivers/base/power/qos.c:486
> >
> > Viresh, any chance to look at this?
> >
> > I'm a bit concerned about the freq QoS series at this point, may defer pushing it.
>
> FWIW here is full WARNING since I am hitting it locally too:

So can you try to revert commits between

0b07ee944701 PM / QOS: Pass request type to dev_pm_qos_{add|remove}_notifier()

and

95c7e46c0f80 cpufreq: Add QoS requests for userspace constraints

inclusive from linux-next (they should revert cleanly) and see if that
makes the issue go away?

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