From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 25871747F; Sun, 7 Apr 2024 08:29:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712478581; cv=none; b=Z36P/oYcgqQOg+uRj5ozKFxqE4Z0pBAO6tPA+Tmz2fflBihQ6ChlFkjMRf3y1NGzzsfMffzH2x/zIXU87saYIoVbKOY1nz5LEgWsArTCJPTuv/++Uu3PhFppEDWPTVr9S/Dn9YI/E0jKw3RqRVL4EKlE5YzW7eYdplsPuKGHQno= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712478581; c=relaxed/simple; bh=yJyWAHSZog1ChlZCttGqgfDm8sPy24O6dL4fe1Cqumw=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=dpd7lALd2jcNVF2a2tTk6UC+7r9kPdiiSXHIeaGAuildd7RgSUCL4L8Ot0x9aIT+uHmFcDxn/dxJQNAXP9CeA2ocHIwoGmuwkBW+hYGgNWGFIcEKHt9PLT761rQZ335SAJbc4jmurryylEKVLRQ0+QIwXU3smd2K+9IIQSnDjL8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nmgqqQMP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nmgqqQMP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B88C8C433C7; Sun, 7 Apr 2024 08:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712478580; bh=yJyWAHSZog1ChlZCttGqgfDm8sPy24O6dL4fe1Cqumw=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=nmgqqQMPEviPm2sizxikzzOEh4Q/yexWx0HZ1MNex2H1lzxIe+SaJwqoW0kBrvI4v eQtCCMW9jACIC+iWbCqFCBs+OisruoZI/HjZEAenv3t/Gl2qZ6r+/YWS8bdwej/Iiq HzvjR6BHF1uz15hZY+2zifrorzLcpqjx14ld2vP+pDxeygho+FiuCwgXd4W7M2Bbs5 P2pgNMOqKEQHhCD+6I9/8KN1WSMi7l+SNc4DmrnN50xXvglEQ71DYwvDTGCyqrReT2 dO4aJ5/RRLhdnsFE3aiuTRy9EczHOwL5wfoMj0QjdInGroXr344meJxQ9ghUwTGf3c 1AK/su4NAwAMw== Message-ID: <3a006357f78a07fdd558db827049307076ba6e23.camel@kernel.org> Subject: Re: [PATCH bpf-next] selftests/bpf: Add F_SETFL for fcntl From: Geliang Tang To: John Fastabend , Jakub Sitnicki Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , bpf@vger.kernel.org, mptcp@lists.linux.dev, linux-kselftest@vger.kernel.org Date: Sun, 07 Apr 2024 16:29:31 +0800 In-Reply-To: <660f8268ddd8f_50b87208bb@john.notmuch> References: <878r1ubq8q.fsf@cloudflare.com> <660dd833358bd_2144820881@john.notmuch> <74fec36278933bd0dd793875ac2343f528c9355d.camel@kernel.org> <660f8268ddd8f_50b87208bb@john.notmuch> Autocrypt: addr=geliang@kernel.org; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.0-1 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2024-04-04 at 21:47 -0700, John Fastabend wrote: > Geliang Tang wrote: > > Hi Jakub, > > =C2=A0 > > On Wed, 2024-04-03 at 15:29 -0700, John Fastabend wrote: > > > Jakub Sitnicki wrote: > > > > Hi Geliang, > > > >=20 > > > > On Wed, Apr 03, 2024 at 04:32 PM +08, Geliang Tang wrote: > > > > > From: Geliang Tang > > > > >=20 > > > > > Incorrect arguments are passed to fcntl() in test_sockmap.c > > > > > when > > > > > invoking > > > > > it to set file status flags. If O_NONBLOCK is used as 2nd > > > > > argument and > > > > > passed into fcntl, -EINVAL will be returned (See do_fcntl() > > > > > in > > > > > fs/fcntl.c). > > > > > The correct approach is to use F_SETFL as 2nd argument, and > > > > > O_NONBLOCK as > > > > > 3rd one. > > > > >=20 > > > > > Fixes: 16962b2404ac ("bpf: sockmap, add selftests") > > > > > Signed-off-by: Geliang Tang > > > > > --- > > > > > =C2=A0tools/testing/selftests/bpf/test_sockmap.c | 2 +- > > > > > =C2=A01 file changed, 1 insertion(+), 1 deletion(-) > > > > >=20 > > > > > diff --git a/tools/testing/selftests/bpf/test_sockmap.c > > > > > b/tools/testing/selftests/bpf/test_sockmap.c > > > > > index 024a0faafb3b..34d6a1e6f664 100644 > > > > > --- a/tools/testing/selftests/bpf/test_sockmap.c > > > > > +++ b/tools/testing/selftests/bpf/test_sockmap.c > > > > > @@ -603,7 +603,7 @@ static int msg_loop(int fd, int > > > > > iov_count, > > > > > int iov_length, int cnt, > > > > > =C2=A0 struct timeval timeout; > > > > > =C2=A0 fd_set w; > > > > > =C2=A0 > > > > > - fcntl(fd, fd_flags); > > > > > + fcntl(fd, F_SETFL, fd_flags); > > > > > =C2=A0 /* Account for pop bytes noting each > > > > > iteration > > > > > of apply will > > > > > =C2=A0 * call msg_pop_data helper so we need to > > > > > account for this > > > > > =C2=A0 * by calculating the number of apply > > > > > iterations. Note user > > > >=20 > > > > Good catch. But we also need to figure out why some tests > > > > failing > > > > with > > > > this patch applied and fix them in one go: > > > >=20 > > > > # 6/ 7=C2=A0 sockmap::txmsg test skb:FAIL > > > > #21/ 7 sockhash::txmsg test skb:FAIL > > > > #36/ 7 sockhash:ktls:txmsg test skb:FAIL > > > > Pass: 42 Fail: 3 > >=20 > > Sorry, I didn't notice these fails in my testing before, they do > > exist. > > I'll try to fix them and sent a v2 soon. >=20 > Not 100% sure but a hint. I would look into where the stream parser > is waking up the sock here. I'm not sure there is an easy fix tbh. > I can help look at this soon as well if you don't beat me to a fix. >=20 > Thanks for looking into it. I just sent a v2, please review it for me. Thanks, -Geliang >=20 > >=20 > > Thanks, > > -Geliang