netdev - Re: [PATCH v1 net] af_unix: Fix task hung while purging oob

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Message-Id: 
 <170782082710.6419.2279357982489740229.git-patchwork-notify@kernel.org>
Date: Tue, 13 Feb 2024 10:40:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, kuni1840@...il.com, netdev@...r.kernel.org,
 syzbot+4fa4a2d1f5a5ee06f006@...kaller.appspotmail.com
Subject: Re: [PATCH v1 net] af_unix: Fix task hung while purging oob_skb in GC.

Hello:

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

On Fri, 9 Feb 2024 14:04:53 -0800 you wrote:
> syzbot reported a task hung; at the same time, GC was looping infinitely
> in list_for_each_entry_safe() for OOB skb.  [0]
> 
> syzbot demonstrated that the list_for_each_entry_safe() was not actually
> safe in this case.
> 
> A single skb could have references for multiple sockets.  If we free such
> a skb in the list_for_each_entry_safe(), the current and next sockets could
> be unlinked in a single iteration.
> 
> [...]

Here is the summary with links:
  - [v1,net] af_unix: Fix task hung while purging oob_skb in GC.
    https://git.kernel.org/netdev/net/c/25236c91b5ab

You are awesome, thank you!
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