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qemu: Check for down limit of SLIRP prefix too

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1515533

We're already checking if IPv4 prefix isn't too long. But we are
not checking if it isn't too short. QEMU supports prefixes longer
than 4 (including). I haven't find anything similar related to
IPv6 in qemu sources.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Michal Privoznik 2018-02-06 10:21:56 +01:00
parent 9cae9c822b
commit b62b8090b2
1 changed files with 2 additions and 2 deletions
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4
src/qemu/qemu_domain.c
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@ -3873,9 +3873,9 @@ qemuDomainDeviceDefValidateNetwork(const virDomainNetDef *net)
}
hasIPv4 = true;
if (ip->prefix > 27) {
if (ip->prefix < 4 || ip->prefix > 27) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("prefix too long"));
_("invalid prefix, must be in range of 4-27"));
return -1;
}
}