Re: INFO: task hung in do_exit

[syzbot]

syzbot has bisected this bug to:

commit 430e48ecf31f4f897047f22e02abdfa75730cad8
Author: Amitoj Kaur Chawla <amitoj1606@xxxxxxxxx>
Date:   Thu Aug 10 16:28:09 2017 +0000

    leds: lm3533: constify attribute_group structure

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15f4cee3200000
start commit:   8ee15f32 Merge tag 'dma-mapping-5.1-1' of git://git.infrad..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=17f4cee3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=13f4cee3200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0
dashboard link: https://syzkaller.appspot.com/bug?extid=9880e421ec82313d6527
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=149b89af200000

Reported-by: syzbot+9880e421ec82313d6527@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 430e48ecf31f ("leds: lm3533: constify attribute_group structure")

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