[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 1.1 1/2] kvm/apic: correct short memset
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH 1.1 1/2] kvm/apic: correct short memset |
Date: |
Wed, 23 May 2012 07:33:10 -0300 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-05-22 17:30, Stefan Weil wrote:
> Am 10.05.2012 19:28, schrieb Jan Kiszka:
>> On 2012-05-10 13:19, Jim Meyering wrote:
>>
>>> From: Jim Meyering<address@hidden>
>>>
>>> kvm_put_apic_state's attempt to clear *kapic before setting its
>>> bits cleared sizeof(void*) bytes (no more than 8) rather than the
>>> intended 1024 (KVM_APIC_REG_SIZE) bytes. Spotted by coverity.
>>>
>>> Signed-off-by: Jim Meyering<address@hidden>
>>> ---
>>> hw/kvm/apic.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/hw/kvm/apic.c b/hw/kvm/apic.c
>>> index ffe7a52..a0ab503 100644
>>> --- a/hw/kvm/apic.c
>>> +++ b/hw/kvm/apic.c
>>> @@ -29,7 +29,7 @@ void kvm_put_apic_state(DeviceState *d, struct
>>> kvm_lapic_state *kapic)
>>> APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
>>> int i;
>>>
>>> - memset(kapic, 0, sizeof(kapic));
>>> + memset(kapic, 0, sizeof(*kapic));
>>> kvm_apic_set_reg(kapic, 0x2, s->id<< 24);
>>> kvm_apic_set_reg(kapic, 0x8, s->tpr);
>>> kvm_apic_set_reg(kapic, 0xd, s->log_dest<< 24);
>>>
>> Yep, that's what I actually meant...
>>
>> Thanks,
>> Jan
>>
>>
>
> Reviewed-by: Stefan Weil <address@hidden>
>
> Hello Anthony,
>
> this patch should be committed to QEMU 1.1.
> I had sent a patch with the same fix 6 days later.
Thanks for reminding. Yes, please merge!
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux