libvirt/SOURCES/libvirt-cpu_x86-Make-sure-C...

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From 84ee95b9504d89236078952a44c1a8b7dba148ca Mon Sep 17 00:00:00 2001
Message-Id: <84ee95b9504d89236078952a44c1a8b7dba148ca@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Fri, 21 Jun 2019 09:24:58 +0200
Subject: [PATCH] cpu_x86: Make sure CPU model names are unique in cpu_map
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Having multiple CPU model definitions with the same name could result in
unexpected behavior.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit 8d7245441a473bc1f73005fd378d4a925870cce6)
https://bugzilla.redhat.com/show_bug.cgi?id=1686895
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Message-Id: <c5dcc42f39009e8a659acb56b89cc18da1c3b7b8.1561068591.git.jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/cpu/cpu_x86.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
index 91362198ab..51cb9b7143 100644
--- a/src/cpu/cpu_x86.c
+++ b/src/cpu/cpu_x86.c
@@ -1291,9 +1291,15 @@ x86ModelParse(xmlXPathContextPtr ctxt,
void *data)
{
virCPUx86MapPtr map = data;
- virCPUx86ModelPtr model;
+ virCPUx86ModelPtr model = NULL;
int ret = -1;
+ if (x86ModelFind(map, name)) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Multiple definitions of CPU model '%s'"), name);
+ goto cleanup;
+ }
+
if (!(model = x86ModelNew()))
goto cleanup;
--
2.22.0