netdev - Re: [PATCH net] af_unix: Fix garbage collector racing against send() MSG

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Message-ID: <d92602c4-f192-44e3-b974-220d9b928da7@rbox.co>
Date: Tue, 7 May 2024 19:14:12 +0200
From: Michal Luczaj <mhal@...x.co>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, kuniyu@...zon.com
Subject: Re: [PATCH net] af_unix: Fix garbage collector racing against send()
 MSG_OOB

On 5/7/24 18:29, Michal Luczaj wrote:
> Garbage collector takes care to explicitly drop oob_skb references before
> purging the hit list. However, it does not account for a race: another
> oob_skb might get assigned through in-flight socket's peer.

Ah, my apologises, I'm not subscribed to netdev and haven't seen
https://lore.kernel.org/netdev/20240507170018.83385-1-kuniyu@amazon.com/
I guess that was a race condition ;)

Michal