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Subject: Re: [PATCH net] net/rose: fix races in rose_kill_by_device()
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <170264222426.21512.10024922314954258007.git-patchwork-notify@kernel.org>
Date: Fri, 15 Dec 2023 12:10:24 +0000
References: <20231214152747.1700980-1-edumazet@google.com>
In-Reply-To: <20231214152747.1700980-1-edumazet@google.com>
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
 netdev@vger.kernel.org, eric.dumazet@gmail.com, syzkaller@googlegroups.com,
 f6bvp@free.fr

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Thu, 14 Dec 2023 15:27:47 +0000 you wrote:
> syzbot found an interesting netdev refcounting issue in
> net/rose/af_rose.c, thanks to CONFIG_NET_DEV_REFCNT_TRACKER=y [1]
> 
> Problem is that rose_kill_by_device() can change rose->device
> while other threads do not expect the pointer to be changed.
> 
> We have to first collect sockets in a temporary array,
> then perform the changes while holding the socket
> lock and rose_list_lock spinlock (in this order)
> 
> [...]

Here is the summary with links:
  - [net] net/rose: fix races in rose_kill_by_device()
    https://git.kernel.org/netdev/net/c/64b8bc7d5f14

You are awesome, thank you!
-- 
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