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Re: [PATCH v2] vfio/pci: Fix a use-after-free issue


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v2] vfio/pci: Fix a use-after-free issue
Date: Wed, 24 May 2023 08:08:20 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.11.0

On 17/5/23 04:46, Zhenzhong Duan wrote:
vbasedev->name is freed wrongly which leads to garbage VFIO trace log.
Fix it by allocating a dup of vbasedev->name and then free the dup.

Fixes: 2dca1b37a7 ("vfio/pci: add support for VF token")
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
v2: "toke" -> "token", Cedric
     Update with Alex suggested change

  hw/vfio/pci.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>




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