syzbot has bisected this bug to:
commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31
Author: Russell Currey <ruscur@xxxxxxxxxx>
Date: Mon Feb 8 04:08:20 2016 +0000
powerpc/powernv: Remove support for p5ioc2
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1512d1bce00000
start commit: b0d4beaa Merge branch 'next.autofs' of git://git.kernel.or..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=1712d1bce00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1312d1bce00000
kernel config: https://syzkaller.appspot.com/x/.config?x=f07a23020fd7d21a
dashboard link: https://syzkaller.appspot.com/bug?extid=cf43fb300aa142fb024b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1745a90ee00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1361042ae00000
Reported-by: syzbot+cf43fb300aa142fb024b@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
