On 04/26/2012 03:16 PM, Stefan Berger wrote:
> Below patch fixes the following coverity findings
>
> Error: OVERRUN_STATIC:
> /libvirt/src/qemu/qemu_command.c:152:
> overrun-buffer-val: Overrunning static array "net->mac" of size 6 bytes
> by passing it as an argument to a function which indexes it at byte
> position 15.
>
> Index: libvirt-acl/src/util/virnetdevmacvlan.c
> ===================================================================
> --- libvirt-acl.orig/src/util/virnetdevmacvlan.c
> +++ libvirt-acl/src/util/virnetdevmacvlan.c
> @@ -435,7 +435,7 @@ static const uint32_t modeMap[VIR_NETDEV
> struct virNetlinkCallbackData {
> char *cr_ifname;
> virNetDevVPortProfilePtr virtPortProfile;
> - unsigned char macaddress[VIR_UUID_BUFLEN];
> + unsigned char macaddress[VIR_MAC_BUFLEN];
Yep, any client that uses sizeof() was picking up 10 bytes of garbage. ACK.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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