Re: [PATCH] drivers/net/ethernet/neterion/vxge: Fix a use-after-free bug in vxge-main.c

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Sun, 19 Jun 2022 22:14:54 +0800 you wrote:
> The pointer vdev points to a memory region adjacent to a net_device
> structure ndev, which is a field of hldev. At line 4740, the invocation
> to vxge_device_unregister unregisters device hldev, and it also releases
> the memory region pointed by vdev->bar0. At line 4743, the freed memory
> region is referenced (i.e., iounmap(vdev->bar0)), resulting in a
> use-after-free vulnerability. We can fix the bug by calling iounmap
> before vxge_device_unregister.
> 
> [...]

Here is the summary with links:
  - drivers/net/ethernet/neterion/vxge: Fix a use-after-free bug in vxge-main.c
    https://git.kernel.org/netdev/net/c/8fc74d18639a

You are awesome, thank you!
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