Re: WARNING in free_loaded_vmcs (2)

From: syzbot
Date: Sun Mar 31 2019 - 00:53:28 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=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