[stable] Please apply 18fc650ccd7f: bpf: Free reuseport cBPF prog after RCU grace period

[stable] Please apply 18fc650ccd7f: bpf: Free reuseport cBPF prog after RCU grace period

[Taeyang Lee]

Hi Linux kernel stable team,

Please apply the following upstream commit to the supported stable trees:

18fc650ccd7fe3376eca89203668cfb8268f60df
("bpf: Free reuseport cBPF prog after RCU grace period.")

It fixes an issue introduced by:

538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")

which appears to have been introduced in v4.5, so all currently supported
stable trees seem to be affected.

I checked that the upstream commit cherry-picks cleanly onto the following
stable branches:

linux-7.0.y
linux-6.18.y
linux-6.12.y
linux-6.6.y
linux-6.1.y
linux-5.15.y
linux-5.10.y

Thanks,

-- 
___

Taeyang Lee, Security Researcher
Theori, Inc. / Xint Code
Website. www.theori.io / xint.io
Email. 0wn@theori.io

Re: [stable] Please apply 18fc650ccd7f: bpf: Free reuseport cBPF prog after RCU grace period

[Sasha Levin]

> Please apply 18fc650ccd7f ("bpf: Free reuseport cBPF prog after RCU
> grace period.") to the stable trees.

Queued for 7.0, 6.18, 6.12, 6.6, 6.1, 5.15 and 5.10, thanks.

--
Thanks,
Sasha