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=101452b0580000
start commit: 595523945be0 Merge tag 'devicetree-fixes-for-6.13-2' of gi..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=121452b0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=141452b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d1cb4a1f148c0861
dashboard link: https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=164091f8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17903fc4580000
Reported-by: syzbot+52cf91760dcb1dac6376@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a3c06ae158dd ("vdpa_sim_net: Add support for user supported devices")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
