linux-kernel - Re: [PATCH v3 1/1] bpf: Ensure correct locking around vulnerable function find

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Date:   Fri, 16 Sep 2022 16:10:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lee Jones <lee@...nel.org>
Cc:     linux-kernel@...r.kernel.org, jolsa@...nel.org, ast@...nel.org,
        daniel@...earbox.net, john.fastabend@...il.com, andrii@...nel.org,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
        bpf@...r.kernel.org
Subject: Re: [PATCH v3 1/1] bpf: Ensure correct locking around vulnerable function
 find_vpid()

Hello:

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

On Mon, 12 Sep 2022 14:38:55 +0100 you wrote:
> The documentation for find_vpid() clearly states:
> 
>   "Must be called with the tasklist_lock or rcu_read_lock() held."
> 
> Presently we do neither.
> 
> Cc: Jiri Olsa <jolsa@...nel.org>
> Cc: Alexei Starovoitov <ast@...nel.org>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Cc: John Fastabend <john.fastabend@...il.com>
> Cc: Andrii Nakryiko <andrii@...nel.org>
> Cc: Martin KaFai Lau <martin.lau@...ux.dev>
> Cc: Song Liu <song@...nel.org>
> Cc: Yonghong Song <yhs@...com>
> Cc: KP Singh <kpsingh@...nel.org>
> Cc: Stanislav Fomichev <sdf@...gle.com>
> Cc: Hao Luo <haoluo@...gle.com>
> Cc: bpf@...r.kernel.org
> Fixes: 41bdc4b40ed6f ("bpf: introduce bpf subcommand BPF_TASK_FD_QUERY")
> Signed-off-by: Lee Jones <lee@...nel.org>
> 
> [...]

Here is the summary with links:
  - [v3,1/1] bpf: Ensure correct locking around vulnerable function find_vpid()
    https://git.kernel.org/bpf/bpf/c/83c10cc362d9

You are awesome, thank you!
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