[libvirt] [PATCH v2] Fix libvirtd crash possibility

[Martin Kletzander]

On 09/13/2012 05:04 PM, Eric Blake wrote:
> On 09/12/2012 05:00 PM, Eric Blake wrote:
>> On 09/12/2012 04:44 PM, Martin Kletzander wrote:
>>> When generating RPC protocol messages, it's strictly needed to have
>>> continuousline of numbers or RPC messages. However in case anyone
>>
>> s/continuousline/a continuous line/
>>
>>> tries backporting some functionality and will skip a number, there is
>>> a possibility to make the daemon segfault with newer virsh (version of
>>> the library, rpc call, etc.) even unintentionally.
>>>
>>> The problem is that the skipped numbers will get func filled with
>>> NULLs, but there is no check whether these are set before the daemon
>>> tries to run them. This patch very simply enhances one check and fixes
>>> that.
>>> ---
>>>  src/rpc/virnetserverprogram.c | 11 +++++++++--
>>>  1 file changed, 9 insertions(+), 2 deletions(-)
>>
>> ACK.
> 
> If you haven't pushed yet, you may want to amend the commit message to
> mention that this appears to be a regression introduced in commit
> df0b57a9, in our RPC refactoring for 0.9.3.
> 

Oh, I pushed it without mentioning this. I missed this the mail at
first, sorry.

Martin