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From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: <horms@kernel.org>
Cc: <billy@starlabs.sg>, <davem@davemloft.net>, <edumazet@google.com>,
	<kuba@kernel.org>, <kuni1840@gmail.com>, <kuniyu@amazon.com>,
	<mhal@rbox.co>, <netdev@vger.kernel.org>, <pabeni@redhat.com>
Subject: Re: [PATCH v3 net] af_unix: Update unix_sk(sk)->oob_skb under sk_receive_queue lock.
Date: Tue, 14 May 2024 11:42:02 +0900	[thread overview]
Message-ID: <20240514024202.10366-1-kuniyu@amazon.com> (raw)
In-Reply-To: <20240513165747.GT2787@kernel.org>

From: Simon Horman <horms@kernel.org>
Date: Mon, 13 May 2024 17:57:47 +0100
> On Mon, May 13, 2024 at 10:06:28PM +0900, Kuniyuki Iwashima wrote:
> 
> ...
> 
> > @@ -2666,13 +2681,19 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
> >  			} else if (flags & MSG_PEEK) {
> >  				skb = NULL;
> >  			} else {
> > -				skb_unlink(skb, &sk->sk_receive_queue);
> > +				__skb_unlink(skb, &sk->sk_receive_queue);
> >  				WRITE_ONCE(u->oob_skb, NULL);
> > -				if (!WARN_ON_ONCE(skb_unref(skb)))
> > -					kfree_skb(skb);
> > +				unlinked_skb = skb;
> >  				skb = skb_peek(&sk->sk_receive_queue);
> >  			}
> >  		}
> > +
> > +		spin_unlock(&sk->sk_receive_queue.lock);
> > +
> > +		if (unlinked_skb) {
> > +			WARN_ON_ONCE(skb_unref(skb));
> > +			kfree_skb(skb);
> 
> Hi Iwashima-san,
> 
> Here skb is kfree'd.

Ah, I apparently made a typo...

Will fix in v4, thanks!

      reply	other threads:[~2024-05-14  2:42 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-13 13:06 [PATCH v3 net] af_unix: Update unix_sk(sk)->oob_skb under sk_receive_queue lock Kuniyuki Iwashima
2024-05-13 16:57 ` Simon Horman
2024-05-14  2:42   ` Kuniyuki Iwashima [this message]

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