Re: [PATCH] tools/bpf/bpftool: Fix vmlinux BTF leak in cgroup commands

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

On Wed, 17 Jun 2026 17:01:17 +0800 you wrote:
> bpftool cgroup show and tree call libbpf_find_kernel_btf() to
> resolve attach_btf names, but never release the returned BTF object.
> 
> For cgroup tree, do_show_tree_fn() is called once for each cgroup
> visited by nftw(). When more than one cgroup has attached programs,
> each callback overwrites btf_vmlinux with a new object and loses the
> previous allocation.
> 
> [...]

Here is the summary with links:
  - tools/bpf/bpftool: Fix vmlinux BTF leak in cgroup commands
    https://git.kernel.org/bpf/bpf/c/bda6a7308ef8

You are awesome, thank you!
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