[alsa-devel] INFO: task hung in snd_timer_close

[syzbot]

syzbot has bisected this bug to:

commit b2045303147254d01b1db90a83e5df3832c4264b
Author: Clément Péron <peron.clem at gmail.com>
Date:   Mon May 27 20:06:21 2019 +0000

     dt-bindings: sound: sun4i-spdif: Add Allwinner H6 compatible

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14acecb4e00000
start commit:   a99d8080 Linux 5.4-rc6
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16acecb4e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12acecb4e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8c5e2eca3f31f9bf
dashboard link: https://syzkaller.appspot.com/bug?extid=f1048ebddb93befb085f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=126bc658e00000

Reported-by: syzbot+f1048ebddb93befb085f at syzkaller.appspotmail.com
Fixes: b20453031472 ("dt-bindings: sound: sun4i-spdif: Add Allwinner H6  
compatible")

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