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=127b4f43200000 start commit: 234b69e3 ocfs2: fix ocfs2 read block panic git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=117b4f43200000 console output: https://syzkaller.appspot.com/x/log.txt?x=167b4f43200000 kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=1c69d94fe42901b029c1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e14956400000 Reported-by: syzbot+1c69d94fe42901b029c1@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 8fcc4b5923af ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE") For information about bisection process see: https://goo.gl/tpsmEJ#bisection