syzbot suspects this issue was fixed by commit: commit 146d62e5a5867fbf84490d82455718bfb10fe824 Author: Amir Goldstein <amir73il@xxxxxxxxx> Date: Thu Apr 18 14:42:08 2019 +0000 ovl: detect overlapping layers bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e40184500000 start commit: 6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9 dashboard link: https://syzkaller.appspot.com/bug?extid=ae82084b07d0297e566b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111767b7200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1611ab2d200000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ovl: detect overlapping layers For information about bisection process see: https://goo.gl/tpsmEJ#bisection