syzbot has bisected this bug to:
commit 13dc4d836179444f0ca90188cfccd23f9cd9ff05
Author: Will Deacon <will@xxxxxxxxxx>
Date: Tue Apr 21 14:29:18 2020 +0000
arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=109aa3b1100000
start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=129aa3b1100000
console output: https://syzkaller.appspot.com/x/log.txt?x=149aa3b1100000
kernel config: https://syzkaller.appspot.com/x/.config?x=be4578b3f1083656
dashboard link: https://syzkaller.appspot.com/bug?extid=830c6dbfc71edc4f0b8f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12032832100000
Reported-by: syzbot+830c6dbfc71edc4f0b8f@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 13dc4d836179 ("arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
