netdev - Re: [PATCH net-next v6 09/11] net: sctp: convert sctp_v{4,6}

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Message-ID: <20260121182046.6371cc66@kernel.org>
Date: Wed, 21 Jan 2026 18:20:46 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Marek Mietus <mmietus97@...oo.com>
Cc: netdev@...r.kernel.org, sd@...asysnail.net, Jason@...c4.com
Subject: Re: [PATCH net-next v6 09/11] net: sctp: convert sctp_v{4,6}_xmit
 to use a noref dst when possible

On Tue, 20 Jan 2026 17:24:49 +0100 Marek Mietus wrote:
> +	rcu_read_lock();
>  	udp_tunnel6_xmit_skb(dst, sk, skb, NULL, &fl6->saddr, &fl6->daddr,
>  			     tclass, ip6_dst_hoplimit(dst), label,
>  			     sctp_sk(sk)->udp_port, t->encap_port, false, 0);
> -	dst_release(dst);
> +	rcu_read_unlock();

These sctp RCU changes need to be earlier in the series, otherwise
patch 3 transiently introduces a bug.