syzbot has bisected this issue to:
commit a3c06ae158dd6fa8336157c31d9234689d068d02
Author: Parav Pandit <parav@xxxxxxxxxx>
Date: Tue Jan 5 10:32:03 2021 +0000
vdpa_sim_net: Add support for user supported devices
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c0b21ee80000
start commit: 2ebe81c81435 net, xdp: Allow metadata > 32
git tree: bpf-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=16c0b21ee80000
console output: https://syzkaller.appspot.com/x/log.txt?x=12c0b21ee80000
kernel config: https://syzkaller.appspot.com/x/.config?x=f8715b6ede5c4b90
dashboard link: https://syzkaller.appspot.com/bug?extid=1a93ee5d329e97cfbaff
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148b2632e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11aae88ee80000
Reported-by: syzbot+1a93ee5d329e97cfbaff@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a3c06ae158dd ("vdpa_sim_net: Add support for user supported devices")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
