From: patchwork-bot+netdevbpf@kernel•org
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, jakub@cloudflare•com,
john.fastabend@gmail•com, ast@kernel•org, daniel@iogearbox•net,
songliubraving@fb•com
Subject: Re: [PATCH net] bpf, sockmap: fix race in sock_map_free()
Date: Mon, 05 Dec 2022 03:00:15 +0000 [thread overview]
Message-ID: <167020921526.5137.6945967136915134698.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20221202111640.2745533-1-edumazet@google.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel•org>:
On Fri, 2 Dec 2022 11:16:40 +0000 you wrote:
> sock_map_free() calls release_sock(sk) without owning a reference
> on the socket. This can cause use-after-free as syzbot found [1]
>
> Jakub Sitnicki already took care of a similar issue
> in sock_hash_free() in commit 75e68e5bf2c7 ("bpf, sockhash:
> Synchronize delete from bucket list on map free")
>
> [...]
Here is the summary with links:
- [net] bpf, sockmap: fix race in sock_map_free()
https://git.kernel.org/bpf/bpf-next/c/0a182f8d6074
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2022-12-05 3:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 11:16 [PATCH net] bpf, sockmap: fix race in sock_map_free() Eric Dumazet
2022-12-03 19:24 ` John Fastabend
2022-12-05 3:00 ` patchwork-bot+netdevbpf [this message]
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