syzbot has found a reproducer for the following crash on: HEAD commit: 77072ca59fdd Merge tag 'for-linus-20180623' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12abe040400000 kernel config: https://syzkaller.appspot.com/x/.config?x=befbcd7305e41bb0 dashboard link: https://syzkaller.appspot.com/bug?extid=bb6ed94ce15c5cd0be00 compiler: gcc (GCC) 8.0.1 20180413 (experimental) syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=1762ec7f800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1556ee38400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+bb6ed94ce15c5cd0be00@xxxxxxxxxxxxxxxxxxxxxxxxx 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 BUG: unable to handle kernel paging request at ffffc90001e1ee68 PGD 1da947067 P4D 1da947067 PUD 1da948067 PMD 1ad8b7067 PTE 0