From: Martin Lau <kafai@fb.com>
To: Lorenz Bauer <lmb@cloudflare.com>
Cc: Shuah Khan <shuah@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
Song Liu <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
Andrii Nakryiko <andriin@fb.com>,
"linux-kselftest@vger.kernel.org"
<linux-kselftest@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf 2/4] selftests: bpf: ignore RST packets for reuseport tests
Date: Thu, 23 Jan 2020 17:16:16 +0000 [thread overview]
Message-ID: <20200123171612.stdwtlpqibkydz2s@kafai-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200123165934.9584-3-lmb@cloudflare.com>
On Thu, Jan 23, 2020 at 04:59:31PM +0000, Lorenz Bauer wrote:
> The reuseport tests currently suffer from a race condition: RST
> packets count towards DROP_ERR_SKB_DATA, since they don't contain
> a valid struct cmd. Tests will spuriously fail depending on whether
> check_results is called before or after the RST is processed.
>
> Exit the BPF program early if FIN is set.
Make sense.
Is it a RST or FIN? The earlier commit message said RST.
next prev parent reply other threads:[~2020-01-23 17:16 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-23 16:59 [PATCH bpf 0/4] Various fixes for sockmap and reuseport tests Lorenz Bauer
2020-01-23 16:59 ` [PATCH bpf 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-23 18:34 ` Martin Lau
2020-01-24 19:50 ` John Fastabend
2020-01-24 9:20 ` Jakub Sitnicki
2020-01-24 19:43 ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 2/4] selftests: bpf: ignore RST packets for reuseport tests Lorenz Bauer
2020-01-23 17:16 ` Martin Lau [this message]
2020-01-23 17:18 ` Lorenz Bauer
2020-01-23 21:53 ` Martin Lau
2020-01-24 9:00 ` Lorenz Bauer
2020-01-24 9:32 ` Daniel Borkmann
2020-01-24 19:45 ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-23 17:26 ` Martin Lau
2020-01-24 19:46 ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer
2020-01-23 17:56 ` Martin Lau
2020-01-24 11:27 ` [PATCH bpf-next v2 0/4] Various fixes for sockmap and reuseport tests Lorenz Bauer
2020-01-24 11:27 ` [PATCH bpf-next v2 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-24 11:27 ` [PATCH bpf-next v2 2/4] selftests: bpf: ignore FIN packets for reuseport tests Lorenz Bauer
2020-01-24 11:27 ` [PATCH bpf-next v2 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-24 11:27 ` [PATCH bpf-next v2 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer
2020-01-24 12:45 ` [PATCH bpf-next v2 0/4] Various fixes for sockmap and reuseport tests Jakub Sitnicki
2020-01-24 15:45 ` Martin Lau
2020-01-24 21:14 ` Daniel Borkmann
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