syzbot has bisected this bug to: commit 4f4c867c91e644fc9d461c8c5cf2f09d6d5bcac2 Author: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Date: Tue Oct 2 08:54:16 2018 +0000 irqchip/irq-mvebu-icu: Support ICU subnodes bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=163319df200000 start commit: a3b22b9f Linux 5.0-rc7 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=153319df200000 console output: https://syzkaller.appspot.com/x/log.txt?x=113319df200000 kernel config: https://syzkaller.appspot.com/x/.config?x=7132344728e7ec3f dashboard link: https://syzkaller.appspot.com/bug?extid=b358909d8d01556b790b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1493d4d0c00000 Reported-by: syzbot+b358909d8d01556b790b@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 4f4c867c91e6 ("irqchip/irq-mvebu-icu: Support ICU subnodes") For information about bisection process see: https://goo.gl/tpsmEJ#bisection