syzbot has bisected this bug to:
commit 86f690e8bfd124c38940e7ad58875ef383003348
Author: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Date: Thu Mar 29 12:15:13 2018 +0000
Merge tag 'stm-intel_th-for-greg-20180329' of
git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm into char-misc-next
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17d653a3200000
start commit: 74c4a24d Add linux-next specific files for 20181207
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=143653a3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=103653a3200000
kernel config: https://syzkaller.appspot.com/x/.config?x=6e9413388bf37bed
dashboard link: https://syzkaller.appspot.com/bug?extid=9d8b6fa6ee7636f350c1
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16e19da3400000
Reported-by: syzbot+9d8b6fa6ee7636f350c1@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 86f690e8bfd1 ("Merge tag 'stm-intel_th-for-greg-20180329' of
git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm into char-misc-next")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection