Re: [PATCH v3 1/1] bpf: Ensure correct locking around vulnerable function find_vpid()
From: patchwork-bot+netdevbpf
Date: Fri Sep 16 2022 - 12:10:22 EST
Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
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@xxxxxxxxxx>
> Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
> Cc: John Fastabend <john.fastabend@xxxxxxxxx>
> Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Cc: Martin KaFai Lau <martin.lau@xxxxxxxxx>
> Cc: Song Liu <song@xxxxxxxxxx>
> Cc: Yonghong Song <yhs@xxxxxx>
> Cc: KP Singh <kpsingh@xxxxxxxxxx>
> Cc: Stanislav Fomichev <sdf@xxxxxxxxxx>
> Cc: Hao Luo <haoluo@xxxxxxxxxx>
> Cc: bpf@xxxxxxxxxxxxxxx
> Fixes: 41bdc4b40ed6f ("bpf: introduce bpf subcommand BPF_TASK_FD_QUERY")
> Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
>
> [...]
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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