bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode [backport]

2 messages, 2 authors, 2021-11-02 · open the first message on its own page

bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode [backport]

From: Ivan Babrou <hidden>
Date: 2021-10-29 21:51:03

Hello,

We have re-discovered the issue fixed by the following commit in v5.15:

* https://github.com/torvalds/linux/commit/8520e224f54

Is it possible to also backport the fix to 5.10 series, where the
issue is also present?

Thanks!

Re: bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode [backport]

From: Daniel Borkmann <daniel@iogearbox.net>
Date: 2021-11-02 13:05:53

On 10/29/21 11:50 PM, Ivan Babrou wrote:
Hello,

We have re-discovered the issue fixed by the following commit in v5.15:

* https://github.com/torvalds/linux/commit/8520e224f54

Is it possible to also backport the fix to 5.10 series, where the
issue is also present?
No objections from my side, relevant commit SHAs aside from selftests should be:

  - 8520e224f547cd070c7c8f97b1fc6d58cff7ccaa
  - 78cc316e9583067884eb8bd154301dc1e9ee945c
  - 435b08ec0094ac1e128afe6cfd0d9311a8c617a7

If you have a chance, could you craft & submit a backport for stable?

Thanks Ivan!
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