diff mbox

[PULL,11/15] spapr: fix possible Negative array index read

Message ID 1460047845-14488-12-git-send-email-pbonzini@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paolo Bonzini April 7, 2016, 4:50 p.m. UTC 
From: Gonglei <arei.gonglei@huawei.com>

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>
---
 hw/ppc/spapr.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

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