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Date: Tue, 14 Nov 2023 10:10:22 +0000
To: Eric Dumazet <>
Subject: Re: [PATCH net] af_unix: fix use-after-free in unix_stream_read_actor()


This patch was applied to netdev/net.git (main)
by Paolo Abeni <>:

On Mon, 13 Nov 2023 13:49:38 +0000 you wrote:
> syzbot reported the following crash [1]
> After releasing unix socket lock, u->oob_skb can be changed
> by another thread. We must temporarily increase skb refcount
> to make sure this other thread will not free the skb under us.
> [1]
> [...]

Here is the summary with links:
  - [net] af_unix: fix use-after-free in unix_stream_read_actor()

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