syzbot has bisected this bug to: commit 8fcc4b5923af5de58b80b53a069453b135693304 Author: Jim Mattson <jmattson@xxxxxxxxxx> Date: Tue Jul 10 09:27:20 2018 +0000 kvm: nVMX: Introduce KVM_CAP_NESTED_STATE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fba63f200000 start commit: 60c1f892 Merge tag 'dma-mapping-4.19-2' of git://git.infra.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1407a63f200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1007a63f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=4c7e83258d6e0156 dashboard link: https://syzkaller.appspot.com/bug?extid=01bc9e7a8a3f138b71cf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a6513e400000 Reported-by: syzbot+01bc9e7a8a3f138b71cf@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 8fcc4b5923af ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE") For information about bisection process see: https://goo.gl/tpsmEJ#bisection