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Re: [libvirt] [PATCH] qemu: Avoid use after free in qemuCaps parsing



On Fri, Jun 03, 2011 at 04:34:30PM +0200, Jiri Denemark wrote:
> ---
>  src/qemu/qemu_domain.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 46414cd..332c09e 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -264,12 +264,13 @@ static int qemuDomainObjPrivateXMLParse(xmlXPathContextPtr ctxt, void *data)
>              char *str = virXMLPropString(nodes[i], "name");
>              if (str) {
>                  int flag = qemuCapsTypeFromString(str);
> -                VIR_FREE(str);
>                  if (flag < 0) {
>                      qemuReportError(VIR_ERR_INTERNAL_ERROR,
>                                      _("Unknown qemu capabilities flag %s"), str);
> +                    VIR_FREE(str);
>                      goto error;
>                  }
> +                VIR_FREE(str);
>                  qemuCapsSet(qemuCaps, flag);
>              }
>          }

ACK

Daniel
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