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From: Hyunwoo Kim <imv4bel@gmail.com>
To: David Laight <david.laight.linux@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, ncardwell@google.com, dsahern@kernel.org,
	idosch@nvidia.com, kuniyu@google.com, horms@kernel.org,
	willemb@google.com, andrew+netdev@lunn.ch, kees@kernel.org,
	jiayuan.chen@linux.dev, kerneljasonxing@gmail.com, ij@kernel.org,
	martin.lau@kernel.org, shakeel.butt@linux.dev,
	matttbe@kernel.org, martineau@kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, imv4bel@gmail.com
Subject: Re: [PATCH net v2 0/8] net: fixes for requests completing on a socket that no longer listens
Date: Mon, 24 Aug 2026 21:56:56 +0900	[thread overview]
Message-ID: <aow_mC_284ws8WXR@v4bel> (raw)
In-Reply-To: <20260824093044.595dd0fc@pumpkin>

On Mon, Aug 24, 2026 at 09:30:44AM +0100, David Laight wrote:
> On Mon, 24 Aug 2026 12:32:44 +0900
> Hyunwoo Kim <imv4bel@gmail.com> wrote:
> 
> > connect(AF_UNSPEC) and listen() move a socket back and forth between
> > listener and active session. IPV6_ADDRFORM on top of that turns an
> > AF_INET6 socket into an AF_INET one.
> 
> Is it even valid to call connect() after listen()?

More precisely, it is connect(AF_UNSPEC), which is a disconnect. This 
is a valid operation.


Best regards,
Hyunwoo Kim

      reply	other threads:[~2026-08-24 12:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-24  3:32 Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 1/8] tcp: fix use-after-free of the listener's ipv6_pinfo after IPV6_ADDRFORM Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 2/8] tcp: fix imbalanced icsk_accept_queue count in tcp_check_req() Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 3/8] ipv6: fix request socket use-after-free after IPV6_ADDRFORM Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 4/8] net: fix out-of-bounds write in sk_clone() racing with IPV6_ADDRFORM Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 5/8] tcp: do not inherit out_of_order_queue from parent Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 6/8] tcp: fix use-after-free in the lockless listener path Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 7/8] net: clear sk_tsq_flags in sk_clone() Hyunwoo Kim
2026-08-24  3:32 ` [PATCH net v2 8/8] tcp: do not inherit retransmit state from parent Hyunwoo Kim
2026-08-24  8:30 ` [PATCH net v2 0/8] net: fixes for requests completing on a socket that no longer listens David Laight
2026-08-24 12:56   ` Hyunwoo Kim [this message]

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