[libvirt] [PATCH] conf: Fix crash with cleanup

Martin Kletzander mkletzan at redhat.com
Tue Oct 16 09:53:24 UTC 2012


On 10/16/2012 11:50 AM, Daniel P. Berrange wrote:
> On Tue, Oct 16, 2012 at 11:19:55AM +0200, Martin Kletzander wrote:
>> There was a crash possible when both <boot dev... and <boot
>> order... were specified due to virDomainDefParseBootXML() erroring out
>> before setting *tmp (which was free'd in cleanup).  As a fix, I
>> created this cleanup that uses one pointer for all the temporary
>> stored XPath strings and values, plus this pointer is correctly
>> initialized to NULL.
>> ---
>>  src/conf/domain_conf.c | 21 ++++++++++-----------
>>  1 file changed, 10 insertions(+), 11 deletions(-)
> 
> It would be nice to have a test to check for this scenario
> 
> Daniel
> 

Good point, patch follows.

Martin




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