syzbot has bisected this issue to:

commit 02d21b59d5cc4b4b395bbc2a29319b8a529ebeff Author: Ido Schimmel idosch@mellanox.com Date: Wed Jan 23 14:32:59 2019 +0000

mlxsw: spectrum_nve: Enable VXLAN on Spectrum-2

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e89b05900000 start commit: 5438dd45 net_sched: fix error path in red_init() git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=16e89b05900000 console output: https://syzkaller.appspot.com/x/log.txt?x=12e89b05900000 kernel config: https://syzkaller.appspot.com/x/.config?x=a0437fdd630bee11 dashboard link: https://syzkaller.appspot.com/bug?extid=ca1345cca66556f3d79b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14acdfe5900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1792598e900000

Reported-by: syzbot+ca1345cca66556f3d79b@syzkaller.appspotmail.com Fixes: 02d21b59d5cc ("mlxsw: spectrum_nve: Enable VXLAN on Spectrum-2")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection