syzbot has bisected this bug to: commit c470abd4fde40ea6a0846a2beab642a578c0b8cd Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Date: Sun Feb 19 22:34:00 2017 +0000 Linux 4.10 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1664c6df200000 start commit: c470abd4 Linux 4.10 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7308e68273924137 dashboard link: https://syzkaller.appspot.com/bug?extid=b364ed862aa07c74bc62 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152532bb400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f73320c00000 Reported-by: syzbot+b364ed862aa07c74bc62@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: c470abd4fde4 ("Linux 4.10") For information about bisection process see: https://goo.gl/tpsmEJ#bisection