Re: [syzbot] WARNING in __perf_event_overflow

Marco Elver
2022-11-03T07:27:34Z

On Thu, 3 Nov 2022 at 06:26, syzbot
<syzbot+589d998651a580e6135d@syzkaller.appspotmail.com> wrote:
>
> syzbot has bisected this issue to:
>
> commit c1d050b0d169fd60c8acef157db53bd4e3141799
> Author: Yishai Hadas <yishaih@nvidia.com>
> Date: Thu Sep 8 18:34:45 2022 +0000
>
> vfio/mlx5: Create and destroy page tracker object
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=136eb2da880000
> start commit: 88619e77b33d net: stmmac: rk3588: Allow multiple gmac cont..
> git tree: bpf
> final oops: https://syzkaller.appspot.com/x/report.txt?x=10eeb2da880000
> console output: https://syzkaller.appspot.com/x/log.txt?x=176eb2da880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8
> dashboard link: https://syzkaller.appspot.com/bug?extid=589d998651a580e6135d
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11eabcea880000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f7e632880000
>
> Reported-by: syzbot+589d998651a580e6135d@syzkaller.appspotmail.com
> Fixes: c1d050b0d169 ("vfio/mlx5: Create and destroy page tracker object")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

The bisection is wrong - see