Re: KASAN: use-after-free Read in addr_handler

[syzbot]

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