[libvirt] [PATCH] qemu: Don't corrupt pointer in qemuDomainSaveMemory()

Eric Blake eblake at redhat.com
Tue Nov 6 13:21:16 UTC 2012


On 11/06/2012 03:07 AM, Peter Krempa wrote:
> The code that was split out into the qemuDomainSaveMemory expands the
> pointer containing the XML description of the domain that it gets from
> higher layers. If the pointer changes the old one is invalid and the
> upper layer function tries to free it causing an abort.
> 
> This patch changes the expansion of the original string to a new
> alocation and copy of the contents.

s/alocation/allocation/

> ---
>  src/qemu/qemu_driver.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

ACK.  Good find, and hidden enough that I can see how I missed it in the
first review.

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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