Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Dmitry Vyukov
On Fri, Feb 15, 2019 at 6:22 PM Jann Horn wrote: > > On Fri, Feb 15, 2019 at 6:13 PM Dmitry Vyukov wrote: > > On Fri, Feb 15, 2019 at 6:10 PM Jann Horn wrote: > > > On Fri, Feb 15, 2019 at 5:45 PM Dmitry Vyukov wrote: > > > > On Fri, Feb 15, 2019 at 5:03 PM Jann Horn wrote: > > > > > On Fri,

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Jann Horn
On Fri, Feb 15, 2019 at 6:13 PM Dmitry Vyukov wrote: > On Fri, Feb 15, 2019 at 6:10 PM Jann Horn wrote: > > On Fri, Feb 15, 2019 at 5:45 PM Dmitry Vyukov wrote: > > > On Fri, Feb 15, 2019 at 5:03 PM Jann Horn wrote: > > > > On Fri, Feb 15, 2019 at 4:40 PM Dmitry Vyukov > > > > wrote: > > > >

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Dmitry Vyukov
On Fri, Feb 15, 2019 at 6:10 PM Jann Horn wrote: > > On Fri, Feb 15, 2019 at 5:45 PM Dmitry Vyukov wrote: > > > > On Fri, Feb 15, 2019 at 5:03 PM Jann Horn wrote: > > > > > > On Fri, Feb 15, 2019 at 4:40 PM Dmitry Vyukov wrote: > > > > On Thu, Oct 11, 2018 at 4:18 PM Paolo Bonzini > > > >

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Jann Horn
On Fri, Feb 15, 2019 at 5:45 PM Dmitry Vyukov wrote: > > On Fri, Feb 15, 2019 at 5:03 PM Jann Horn wrote: > > > > On Fri, Feb 15, 2019 at 4:40 PM Dmitry Vyukov wrote: > > > On Thu, Oct 11, 2018 at 4:18 PM Paolo Bonzini wrote: > > > > On 10/10/2018 09:58, syzbot wrote: > > > > >

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Dmitry Vyukov
On Fri, Feb 15, 2019 at 5:03 PM Jann Horn wrote: > > On Fri, Feb 15, 2019 at 4:40 PM Dmitry Vyukov wrote: > > On Thu, Oct 11, 2018 at 4:18 PM Paolo Bonzini wrote: > > > On 10/10/2018 09:58, syzbot wrote: > > > > do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 > > > > invalid_op+0x14/0x20

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Jann Horn
On Fri, Feb 15, 2019 at 4:40 PM Dmitry Vyukov wrote: > On Thu, Oct 11, 2018 at 4:18 PM Paolo Bonzini wrote: > > On 10/10/2018 09:58, syzbot wrote: > > > do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 > > > invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 > > > RIP:

Re: WARNING: refcount bug in kvm_vm_ioctl

2019-02-15 Thread Dmitry Vyukov
On Thu, Oct 11, 2018 at 4:18 PM Paolo Bonzini wrote: > > On 10/10/2018 09:58, syzbot wrote: > > do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 > > invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 > > RIP: 0010:refcount_inc_checked+0x5d/0x70 lib/refcount.c:153 > > kvm_get_kvm

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Dmitry Vyukov
On Thu, Oct 11, 2018 at 8:23 PM, Dmitry Vyukov wrote: > On Thu, Oct 11, 2018 at 4:17 PM, Paolo Bonzini wrote: >> On 10/10/2018 09:58, syzbot wrote: >>> do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >>> invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 >>> RIP:

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Dmitry Vyukov
On Thu, Oct 11, 2018 at 8:23 PM, Dmitry Vyukov wrote: > On Thu, Oct 11, 2018 at 4:17 PM, Paolo Bonzini wrote: >> On 10/10/2018 09:58, syzbot wrote: >>> do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >>> invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 >>> RIP:

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Dmitry Vyukov
On Thu, Oct 11, 2018 at 4:17 PM, Paolo Bonzini wrote: > On 10/10/2018 09:58, syzbot wrote: >> do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >> invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 >> RIP: 0010:refcount_inc_checked+0x5d/0x70 lib/refcount.c:153 >> kvm_get_kvm

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Dmitry Vyukov
On Thu, Oct 11, 2018 at 4:17 PM, Paolo Bonzini wrote: > On 10/10/2018 09:58, syzbot wrote: >> do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >> invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 >> RIP: 0010:refcount_inc_checked+0x5d/0x70 lib/refcount.c:153 >> kvm_get_kvm

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Paolo Bonzini
On 10/10/2018 09:58, syzbot wrote: >  do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >  invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 > RIP: 0010:refcount_inc_checked+0x5d/0x70 lib/refcount.c:153 >  kvm_get_kvm arch/x86/kvm/../../../virt/kvm/kvm_main.c:766 [inline] >  

Re: WARNING: refcount bug in kvm_vm_ioctl

2018-10-11 Thread Paolo Bonzini
On 10/10/2018 09:58, syzbot wrote: >  do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 >  invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 > RIP: 0010:refcount_inc_checked+0x5d/0x70 lib/refcount.c:153 >  kvm_get_kvm arch/x86/kvm/../../../virt/kvm/kvm_main.c:766 [inline] >  

WARNING: refcount bug in kvm_vm_ioctl

2018-10-10 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:64c5e530ac2c Merge tag 'arc-4.19-rc8' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16343ea140 kernel config: https://syzkaller.appspot.com/x/.config?x=88e9a8a39dc0be2d

WARNING: refcount bug in kvm_vm_ioctl

2018-10-10 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:64c5e530ac2c Merge tag 'arc-4.19-rc8' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16343ea140 kernel config: https://syzkaller.appspot.com/x/.config?x=88e9a8a39dc0be2d