linux-kernel - Re: [PATCH bpf-next] netfilter: bpf: Disable migrate before bpf

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Message-ID: <4105903a-470c-4808-b0b8-aa32eb36191d@linux.dev>
Date: Mon, 21 Jul 2025 00:54:50 +0800
From: Tao Chen <chen.dylane@...ux.dev>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Pablo Neira Ayuso <pablo@...filter.org>,
 Jozsef Kadlecsik <kadlec@...filter.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Simon Horman <horms@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
 Florian Westphal <fw@...len.de>,
 netfilter-devel <netfilter-devel@...r.kernel.org>, coreteam@...filter.org,
 Network Development <netdev@...r.kernel.org>,
 LKML <linux-kernel@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
 syzbot+92c5daf9a23f04ccfc99@...kaller.appspotmail.com
Subject: Re: [PATCH bpf-next] netfilter: bpf: Disable migrate before bpf_prog
 run

在 2025/7/19 02:25, Alexei Starovoitov 写道:
> On Fri, Jul 18, 2025 at 10:30 AM Tao Chen <chen.dylane@...ux.dev> wrote:
>>
>>
>> The cant_migrate() check in __bpf_prog_run requires to disable
>> migrate before running the bpf_prog, it seems that migrate is
>> not disabled in the above execution path.
> 
> bpf@...r mailing list exists, so that developers
> read it and participate in the community.
> 
> https://lore.kernel.org/bpf/20250717185837.1073456-1-kuniyu@google.com/
> 
> --
> pw-bot: cr

well, since it's already under review, I'm happy to drop my version. Thanks.

-- 
Best Regards
Tao Chen