Re: WARNING in tracepoint_probe_register_prio (3)

[syzbot]

syzbot has bisected this bug to:

commit ecb9f80db23a7ab09b46b298b404e41dd7aff6e6
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date:   Tue Aug 13 08:00:25 2019 +0000

    net/mvpp2: Replace tasklet with softirq hrtimer

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13ffb9ee600000
start commit:   ecb9f80d net/mvpp2: Replace tasklet with softirq hrtimer
git tree:       net-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=100079ee600000
console output: https://syzkaller.appspot.com/x/log.txt?x=17ffb9ee600000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d4cf1ffb87d590d7
dashboard link: https://syzkaller.appspot.com/bug?extid=774fddf07b7ab29a1e55
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11b02a22600000

Reported-by: syzbot+774fddf07b7ab29a1e55@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: ecb9f80db23a ("net/mvpp2: Replace tasklet with softirq hrtimer")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection