netdev - Re: [PATCH v3 net-next 4/8] net: Add sk

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Message-ID: <CADvbK_c50x2-OzGhNRfrRK9u0so7fsf92MKoaYTWXAxJoTp=uQ@mail.gmail.com>
Date: Fri, 24 Oct 2025 10:15:01 -0400
From: Xin Long <lucien.xin@...il.com>
To: Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>, "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>, Kuniyuki Iwashima <kuni1840@...il.com>, netdev@...r.kernel.org, 
	linux-sctp@...r.kernel.org
Subject: Re: [PATCH v3 net-next 4/8] net: Add sk_clone().

On Thu, Oct 23, 2025 at 7:18 PM Kuniyuki Iwashima <kuniyu@...gle.com> wrote:
>
> sctp_accept() will use sk_clone_lock(), but it will be called
> with the parent socket locked, and sctp_migrate() acquires the
> child lock later.
>
> Let's add no lock version of sk_clone_lock().
>
> Note that lockdep complains if we simply use bh_lock_sock_nested().
>
> Signed-off-by: Kuniyuki Iwashima <kuniyu@...gle.com>
Reviewed-by: Xin Long <lucien.xin@...il.com>