syzbot suspects this bug 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=138841dae00000
start commit: 037904a2 Merge branch 'x86-urgent-for-linus' of git://git...
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=a42d110b47dd6b36
dashboard link: https://syzkaller.appspot.com/bug?extid=bb1836a212e69f8e201a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ba097ca00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10be1ceca00000
If the result looks correct, please mark the bug fixed by replying with:
#syz fix: ovl: detect overlapping layers
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
