Subject: Re: [PATCH v2 bpf] bpf: Free reuseport cBPF prog after RCU grace period.

From: [email-masked]
Date: Fri, 08 May 2026 20:50:06 +0000

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <[email-masked]>:

On Sun, 26 Apr 2026 01:26:43 +0000 you wrote:
> Eulgyu Kim reported the splat below with a repro. [0]
> 
> The repro sets up a UDP reuseport group with a cBPF prog and
> replaces it with a new one while another thread is sending
> a UDP packet to the group.
> 
> The reuseport prog is freed by sk_reuseport_prog_free().
> bpf_prog_put() is called for "e"BPF prog to destruct through
> multiple stages while cBPF prog is freed immediately by
> bpf_release_orig_filter() and bpf_prog_free().
> 
> [...]

Here is the summary with links:
  - [v2,bpf] bpf: Free reuseport cBPF prog after RCU grace period.
    https://git.kernel.org/bpf/bpf/c/18fc650ccd7f

You are awesome, thank you!
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