[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2] pc: fix possible NULL pointer dereference in
|
From: |
Paolo Bonzini |
|
Subject: |
Re: [Qemu-devel] [PATCH v2] pc: fix possible NULL pointer dereference in pc_machine_get_device_memory_region_size() |
|
Date: |
Wed, 17 Jul 2019 13:22:27 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 |
On 17/07/19 12:37, Michael S. Tsirkin wrote:
> On Mon, Jun 24, 2019 at 05:02:00AM -0400, Igor Mammedov wrote:
>> QEMU will crash when device-memory-region-size property is read if
>> ms->device_memory
>> wasn't initialized yet.
>>
>> Crash can be reproduced with:
>> $QEMU -preconfig -qmp unix:qmp_socket,server,nowait &
>> ./scripts/qmp/qom-get -s qmp_socket /machine.device-memory-region-size
>>
>> Instead of crashing return 0 if ms->device_memory hasn't been initialized.
>>
>> Signed-off-by: Igor Mammedov <address@hidden>
>
> queued, thanks!
This is already commit 58164eaff530a1e804f5710936dd37518ab5a90e.
Paolo