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From b8f548e00daaf08ce34c2b8578e5a2b032b082b7 Mon Sep 17 00:00:00 2001
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Message-Id: <b8f548e00daaf08ce34c2b8578e5a2b032b082b7@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 9 Jul 2018 12:07:39 +0200
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Subject: [PATCH] qemuDomainDeviceDefValidateNetwork: Check for range only if
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IP prefix set
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https://bugzilla.redhat.com/show_bug.cgi?id=1515533
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The @prefix attribute to <ip/> element for interface type user is
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optional. Therefore, if left out it has value of zero in which
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case we should not check whether it falls into <4, 27> range.
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Otherwise we fail parsing domain XML for no good reason.
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Broken by commit b62b8090b2ad4524a5bf9d40d0d1c17a9d57f5a0.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit a6fbbce73e2965edde45ece7c034e4b39bb8405d)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_domain.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index fa952f8306..f9bcf76f44 100644
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--- a/src/qemu/qemu_domain.c
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+++ b/src/qemu/qemu_domain.c
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@@ -4386,7 +4386,8 @@ qemuDomainDeviceDefValidateNetwork(const virDomainNetDef *net)
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}
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hasIPv4 = true;
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- if (ip->prefix < 4 || ip->prefix > 27) {
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+ if (ip->prefix > 0 &&
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+ (ip->prefix < 4 || ip->prefix > 27)) {
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virReportError(VIR_ERR_XML_ERROR, "%s",
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_("invalid prefix, must be in range of 4-27"));
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return -1;
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--
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2.18.0
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