syzbot has bisected this bug to:
commit 706249c222f68471b6f8e9e8e9b77665c404b226
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Fri Jul 24 13:06:37 2015 +0000
locking/static_keys: Rework update logic
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=175cc587200000
start commit: 1d2ba7fe Merge tag 'fbdev-v4.19-rc7' of https://github.com..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=14dcc587200000
console output: https://syzkaller.appspot.com/x/log.txt?x=10dcc587200000
kernel config: https://syzkaller.appspot.com/x/.config?x=c0af03fe452b65fb
dashboard link: https://syzkaller.appspot.com/bug?extid=760a73552f47a8cd0fd9
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=156ad231400000
Reported-by: syzbot+760a73552f47a8cd0fd9@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 706249c222f6 ("locking/static_keys: Rework update logic")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
