Re: general protection fault in kvm_lapic_hv_timer_in_use

From: syzbot
Date: Sun Mar 31 2019 - 05:08:03 EST


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