syzbot has bisected this bug to:
commit 9022ada8ab6f1f1a932a3c93815061042e6548a5
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Aug 24 20:16:36 2018 +0000
Merge branch 'for-4.19' of
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15330437200000
start commit: 270b77a0 Merge tag 'drm-fixes-2018-10-20-1' of git://anong..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=17330437200000
console output: https://syzkaller.appspot.com/x/log.txt?x=13330437200000
kernel config: https://syzkaller.appspot.com/x/.config?x=b3f55cb3dfcc6c33
dashboard link: https://syzkaller.appspot.com/bug?extid=5cd33f0e6abe2bb3e397
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1436fc45400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11058e2d400000
Reported-by: syzbot+5cd33f0e6abe2bb3e397@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 9022ada8ab6f ("Merge branch 'for-4.19' of
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
