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SubjectRe: general protection fault in kvm_lapic_hv_timer_in_use
On Sun, Mar 31, 2019 at 02:08:00AM -0700, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit 8fcc4b5923af5de58b80b53a069453b135693304
> Author: Jim Mattson <jmattson@google.com>
> 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@syzkaller.appspotmail.com
> Fixes: 8fcc4b5923af ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Another ancient bug, fixed by commit 26b471c7e2f7 ("KVM: nVMX: Fix bad
cleanup on error of get/set nested state IOCTLs")

#syz fix: KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs

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