Re: [PATCH v1] selftests/xsk: Avoid use-after-free on ctx

From: patchwork-bot+netdevbpf
Date: Fri Sep 02 2022 - 10:40:54 EST


Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:

On Thu, 1 Sep 2022 13:26:45 -0700 you wrote:
> The put lowers the reference count to 0 and frees ctx, reading it
> afterwards is invalid. Move the put after the uses and determine the
> last use by the reference count being 1.
>
> Fixes: 39e940d4abfa ("selftests/xsk: Destroy BPF resources only when ctx refcount drops to 0")
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
>
> [...]

Here is the summary with links:
- [v1] selftests/xsk: Avoid use-after-free on ctx
https://git.kernel.org/bpf/bpf-next/c/af515a5587b8

You are awesome, thank you!
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