Re: [PATCH bpf v2 5/9] bpf: Check the validity of max_rdwr_access for sock local storage map iterator

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Subject: Re: [PATCH bpf v2 5/9] bpf: Check the validity of max_rdwr_access for sock local storage map iterator
From: Martin KaFai Lau <kafai@xxxxxx>
Date: Wed, 10 Aug 2022 09:59:22 -0700
Cc: bpf@xxxxxxxxxxxxxxx, Yonghong Song <yhs@xxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Song Liu <songliubraving@xxxxxx>, KP Singh <kpsingh@xxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Stanislav Fomichev <sdf@xxxxxxxxxx>, Hao Luo <haoluo@xxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, John Fastabend <john.fastabend@xxxxxxxxx>, Lorenz Bauer <oss@xxxxxx>, houtao1@xxxxxxxxxx
In-reply-to: <20220810080538.1845898-6-houtao@huaweicloud.com>

On Wed, Aug 10, 2022 at 04:05:34PM +0800, Hou Tao wrote:
> From: Hou Tao <houtao1@xxxxxxxxxx>
> 
> The value of sock local storage map is writable in map iterator, so check
> max_rdwr_access instead of max_rdonly_access.
Acked-by: Martin KaFai Lau <kafai@xxxxxx>

References:
- [PATCH bpf v2 0/9] fixes for bpf map iterator
  - From: Hou Tao
- [PATCH bpf v2 5/9] bpf: Check the validity of max_rdwr_access for sock local storage map iterator
  - From: Hou Tao

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