[PATCH] vfio/pci: Fix a use-after-free issue

[Zhenzhong Duan]

We should free the duplicated variant of vbasedev->name plus uuid
rather than vbasedev->name itself.

Fixes: 2dca1b37a7 ("vfio/pci: add support for VF toke")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 hw/vfio/pci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index bf27a3990564..d2593681e000 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2998,7 +2998,9 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
     }
 
     ret = vfio_get_device(group, name, vbasedev, errp);
-    g_free(name);
+    if (name != vbasedev->name) {
+        g_free(name);
+    }
     if (ret) {
         vfio_put_group(group);
         goto error;
-- 
2.34.1