Re: [PATCH] KVM: eventfd: fix NULL deref irqbypass consumer

2017-01-05 Thread Wanpeng Li
2017-01-06 0:01 GMT+08:00 Alex Williamson : > On Thu, 5 Jan 2017 11:24:08 +0100 > Paolo Bonzini wrote: > >> On 05/01/2017 10:05, Wanpeng Li wrote: >> > From: Wanpeng Li >> > >> > Reported syzkaller: >> > >> > BUG: unable to handle kernel NULL pointer dereference at >> > 0008 >> >

Re: [PATCH] KVM: eventfd: fix NULL deref irqbypass consumer

2017-01-05 Thread Alex Williamson
On Thu, 5 Jan 2017 11:24:08 +0100 Paolo Bonzini wrote: > On 05/01/2017 10:05, Wanpeng Li wrote: > > From: Wanpeng Li > > > > Reported syzkaller: > > > > BUG: unable to handle kernel NULL pointer dereference at > > 0008 > > IP: irq_bypass_unregister_consumer+0x9d/0xb70 [irq

Re: [PATCH] KVM: eventfd: fix NULL deref irqbypass consumer

2017-01-05 Thread Wanpeng Li
2017-01-05 18:24 GMT+08:00 Paolo Bonzini : > > > On 05/01/2017 10:05, Wanpeng Li wrote: >> From: Wanpeng Li >> >> Reported syzkaller: >> >> BUG: unable to handle kernel NULL pointer dereference at 0008 >> IP: irq_bypass_unregister_consumer+0x9d/0xb70 [irqbypass] >> PGD 0 >>

Re: [PATCH] KVM: eventfd: fix NULL deref irqbypass consumer

2017-01-05 Thread Paolo Bonzini
On 05/01/2017 10:05, Wanpeng Li wrote: > From: Wanpeng Li > > Reported syzkaller: > > BUG: unable to handle kernel NULL pointer dereference at 0008 > IP: irq_bypass_unregister_consumer+0x9d/0xb70 [irqbypass] > PGD 0 > > Oops: 0002 [#1] SMP > CPU: 1 PID: 125

[PATCH] KVM: eventfd: fix NULL deref irqbypass consumer

2017-01-05 Thread Wanpeng Li
From: Wanpeng Li Reported syzkaller: BUG: unable to handle kernel NULL pointer dereference at 0008 IP: irq_bypass_unregister_consumer+0x9d/0xb70 [irqbypass] PGD 0 Oops: 0002 [#1] SMP CPU: 1 PID: 125 Comm: kworker/1:1 Not tainted 4.9.0+ #1 Workqueue: kvm-i