From: Simon Horman <horms@kernel.org>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
syzbot <syzkaller@googlegroups.com>
Subject: Re: [PATCH net] netrom: fix possible dead-lock in nr_rt_ioctl()
Date: Wed, 15 May 2024 17:40:54 +0100 [thread overview]
Message-ID: <20240515164054.GB179178@kernel.org> (raw)
In-Reply-To: <20240515142934.3708038-1-edumazet@google.com>
On Wed, May 15, 2024 at 02:29:34PM +0000, Eric Dumazet wrote:
> syzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1]
>
> Make sure we always acquire nr_node_list_lock before nr_node_lock(nr_node)
...
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Reported-by: syzbot <syzkaller@googlegroups.com>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2024-05-15 16:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-15 14:29 [PATCH net] netrom: fix possible dead-lock in nr_rt_ioctl() Eric Dumazet
2024-05-15 16:40 ` Simon Horman [this message]
2024-05-17 2:40 ` patchwork-bot+netdevbpf
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