From: patchwork-bot+netdevbpf@kernel.org
To: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
martin.lau@kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v2 bpf-next 0/4] Fix global subprog PTR_TO_CTX arg handling
Date: Wed, 14 Feb 2024 02:50:29 +0000 [thread overview]
Message-ID: <170787902906.13249.6108551210318316344.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240212233221.2575350-1-andrii@kernel.org>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Mon, 12 Feb 2024 15:32:17 -0800 you wrote:
> Fix confusing and incorrect inference of PTR_TO_CTX argument type in BPF
> global subprogs. For some program types (iters, tracepoint, any program type
> that doesn't have fixed named "canonical" context type) when user uses (in
> a correct and valid way) a pointer argument to user-defined anonymous struct
> type, verifier will incorrectly assume that it has to be PTR_TO_CTX argument.
> While it should be just a PTR_TO_MEM argument with allowed size calculated
> from user-provided (even if anonymous) struct.
>
> [...]
Here is the summary with links:
- [v2,bpf-next,1/4] bpf: simplify btf_get_prog_ctx_type() into btf_is_prog_ctx_type()
https://git.kernel.org/bpf/bpf-next/c/fb5b86cfd4ef
- [v2,bpf-next,2/4] bpf: handle bpf_user_pt_regs_t typedef explicitly for PTR_TO_CTX global arg
https://git.kernel.org/bpf/bpf-next/c/824c58fb1090
- [v2,bpf-next,3/4] bpf: don't infer PTR_TO_CTX for programs with unnamed context type
https://git.kernel.org/bpf/bpf-next/c/879bbe7aa4af
- [v2,bpf-next,4/4] selftests/bpf: add anonymous user struct as global subprog arg test
https://git.kernel.org/bpf/bpf-next/c/63d5a33fb4ec
You are awesome, thank you!
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prev parent reply other threads:[~2024-02-14 2:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-12 23:32 [PATCH v2 bpf-next 0/4] Fix global subprog PTR_TO_CTX arg handling Andrii Nakryiko
2024-02-12 23:32 ` [PATCH v2 bpf-next 1/4] bpf: simplify btf_get_prog_ctx_type() into btf_is_prog_ctx_type() Andrii Nakryiko
2024-02-12 23:32 ` [PATCH v2 bpf-next 2/4] bpf: handle bpf_user_pt_regs_t typedef explicitly for PTR_TO_CTX global arg Andrii Nakryiko
2024-02-13 16:40 ` Eduard Zingerman
2024-02-13 17:02 ` Andrii Nakryiko
2024-02-13 17:08 ` Eduard Zingerman
2024-02-13 18:12 ` Andrii Nakryiko
2024-02-13 18:48 ` Eduard Zingerman
2024-02-13 18:59 ` Andrii Nakryiko
2024-02-12 23:32 ` [PATCH v2 bpf-next 3/4] bpf: don't infer PTR_TO_CTX for programs with unnamed context type Andrii Nakryiko
2024-02-12 23:32 ` [PATCH v2 bpf-next 4/4] selftests/bpf: add anonymous user struct as global subprog arg test Andrii Nakryiko
2024-02-13 12:51 ` [PATCH v2 bpf-next 0/4] Fix global subprog PTR_TO_CTX arg handling Jiri Olsa
2024-02-13 16:39 ` Eduard Zingerman
2024-02-14 2:50 ` patchwork-bot+netdevbpf [this message]
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