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authorGonglei <arei.gonglei@huawei.com>2016-03-03 17:43:42 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2016-04-08 00:07:56 +0200
commit1a5512bb7ef73036a406727397fb58c640074321 (patch)
tree38d920e763b37de7a12e6a3d57f271e248d70912 /hw/ppc
parentdacca04c8dca785ebb02e492b40d7742baeacbb3 (diff)
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spapr: fix possible Negative array index read
fix CID 1351391. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Message-Id: <1456998223-12356-6-git-send-email-arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/ppc')
-rw-r--r--hw/ppc/spapr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e7be21e..feaab08 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2208,6 +2208,10 @@ static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
if (*errp) {
return;
}
+ if (node < 0 || node >= MAX_NODES) {
+ error_setg(errp, "Invaild node %d", node);
+ return;
+ }
/*
* Currently PowerPC kernel doesn't allow hot-adding memory to