Re: [PATCH bpf v2 7/9] selftests/bpf: Add tests for reading a dangling map iter fd

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Subject: Re: [PATCH bpf v2 7/9] selftests/bpf: Add tests for reading a dangling map iter fd
From: Yonghong Song <yhs@xxxxxx>
Date: Wed, 10 Aug 2022 08:13:42 -0700
Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Martin KaFai Lau <kafai@xxxxxx>, 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: <20220810080538.1845898-8-houtao@huaweicloud.com>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.12.0



On 8/10/22 1:05 AM, Hou Tao wrote:

From: Hou Tao <houtao1@xxxxxxxxxx>

After closing both related link fd and map fd, reading the map
iterator fd to ensure it is OK to do so.

Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>


Acked-by: Yonghong Song <yhs@xxxxxx>

References:
- [PATCH bpf v2 0/9] fixes for bpf map iterator
  - From: Hou Tao
- [PATCH bpf v2 7/9] selftests/bpf: Add tests for reading a dangling map iter fd
  - From: Hou Tao

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