syzbot has bisected this bug to:

commit 0a957467c5fd46142bc9c52758ffc552d4c5e2f7 Author: Guenter Roeck linux@roeck-us.net Date: Wed Aug 15 20:22:27 2018 +0000

x86: i8259: Add missing include file

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1579e751e00000 start commit: 46cf053e Linux 5.5-rc3 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1779e751e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1379e751e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=19616eedf6fd8e241e50 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a47ab9e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170f2485e00000

Reported-by: syzbot+19616eedf6fd8e241e50@syzkaller.appspotmail.com Fixes: 0a957467c5fd ("x86: i8259: Add missing include file")

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