linux-kernel - Re: [PATCH bpf v2] bpf: remove unnecessary BTF lookups in bpf_sk_storage_tracing

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Message-Id: 
 <173768402953.1562390.16117638635222628603.git-patchwork-notify@kernel.org>
Date: Fri, 24 Jan 2025 02:00:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jared Kangas <jkangas@...hat.com>
Cc: bpf@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, martin.lau@...nel.org,
 ast@...nel.org, johannes.berg@...el.com, kafai@...com, songliubraving@...com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, martin.lau@...ux.dev
Subject: Re: [PATCH bpf v2] bpf: remove unnecessary BTF lookups in
 bpf_sk_storage_tracing_allowed

Hello:

This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@...nel.org>:

On Tue, 21 Jan 2025 06:25:04 -0800 you wrote:
> When loading BPF programs, bpf_sk_storage_tracing_allowed() does a
> series of lookups to get a type name from the program's attach_btf_id,
> making the assumption that the type is present in the vmlinux BTF along
> the way. However, this results in btf_type_by_id() returning a null
> pointer if a non-vmlinux kernel BTF is attached to. Proof-of-concept on
> a kernel with CONFIG_IPV6=m:
> 
> [...]

Here is the summary with links:
  - [bpf,v2] bpf: remove unnecessary BTF lookups in bpf_sk_storage_tracing_allowed
    https://git.kernel.org/bpf/bpf/c/7569fc94ad0e

You are awesome, thank you!
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