From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@kernel.org>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, ncardwell@google.com, kuniyu@google.com,
jiayuan.chen@linux.dev, edumazet@google.com,
netdev@vger.kernel.org, xinyang@anthropic.com
Subject: Re: [PATCH v2 net] ipv4: free inet_opt and ireq_opt after an RCU grace period
Date: Mon, 05 Oct 2026 23:30:05 +0000 [thread overview]
Message-ID: <179124300502.1937173.6888058929378452446.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261001221253.2964024-1-edumazet@kernel.org>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 1 Oct 2026 22:12:53 +0000 you wrote:
> tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the
> child socket (newinet->inet_opt) without copying it.
>
> Another cpu can concurrently process a retransmitted SYN for the same
> request socket, and send a SYNACK from tcp_check_req().
> tcp_v4_send_synack() and inet_csk_route_req() read ireq->ireq_opt
> under rcu_read_lock() only, and ip_build_and_send_pkt() and
> ip_options_build() then read opt->optlen twice.
>
> [...]
Here is the summary with links:
- [v2,net] ipv4: free inet_opt and ireq_opt after an RCU grace period
https://git.kernel.org/netdev/net/c/e3f33b0a1d89
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-10-05 23:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-01 22:12 [PATCH v2 net] ipv4: free inet_opt and ireq_opt after an RCU grace period Eric Dumazet
2026-10-01 22:19 ` netdev-bot+sinfo
2026-10-03 17:57 ` Kuniyuki Iwashima
2026-10-05 23:30 ` patchwork-bot+netdevbpf [this message]
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