From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-185.mta0.migadu.com (out-185.mta0.migadu.com [91.218.175.185]) (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 5E9D7214812 for ; Wed, 15 Apr 2026 12:52:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776257565; cv=none; b=OWx9Szm82fnaE5+jrhQu/ED3n4kSUJjwsHWwz9Xca4m1iJVhgDuxb+oM1ZJ246n1mDtqvXE7IO012Ra/5cpFzW2jZoXJ/rstAghx5dvjZxYCD0+xxBJZWAjoMPVDaL78MftpAGp5srwRgADeDzX1wiv4HFog9MZk50SVMT5jYCc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776257565; c=relaxed/simple; bh=bH30D+S77L+76WV39EC2xqLQPjfmUJAx50Hb1EuxO/Y=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=F3mfXvKAmF1c6mK9hgsEoRXSkRjdSeQXUKR9Ro99h0l0hHP6qLsBkfDE8sRXC0yG5QBPprtiIUaN8xf089IWqtFaIgm1TwS77qIS/m8VQnrq9ZPLW/aERBmtDXmV0R19l6F1WDyE+BMFam8qyDUgvHrUs51R6inBaicpM0lxgeo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=iEKJt+UP; arc=none smtp.client-ip=91.218.175.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="iEKJt+UP" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1776257550; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bH30D+S77L+76WV39EC2xqLQPjfmUJAx50Hb1EuxO/Y=; b=iEKJt+UPHhtGDw9Q25fPepjFpg8PAaDIa4DQbc3IFP4bfFh1awzbhgMM1HrnJ0Fg4bDAn+ iu0ymFU2fFbJghkwuJIhjmQgwXWwB9sLEDic/V0KJmeObxeSzRzDPFarQJt8gJ8PHL7Hhc yQUmEzzD5PCJtNUWfuilgFA7gDf86F0= Subject: Re: [PATCH bpf] bpf,tcp: avoid infinite recursion in BPF_SOCK_OPS_HDR_OPT_LEN_CB X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: KaFai Wan To: Jiayuan Chen , bpf@vger.kernel.org Cc: Quan Sun <2022090917019@std.uestc.edu.cn>, Yinhao Hu , Kaiyan Mei , Dongliang Mu , Eric Dumazet , Neal Cardwell , Kuniyuki Iwashima , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Shuah Khan , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , David Ahern , netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 15 Apr 2026 20:52:16 +0800 In-Reply-To: <0b3a3a41-f709-4414-8a5d-d2eb4959db3f@linux.dev> References: <20260414105702.248310-1-jiayuan.chen@linux.dev> <42c1fed84a84519c2432163aa46f587f2d624fef.camel@163.com> <0b3a3a41-f709-4414-8a5d-d2eb4959db3f@linux.dev> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT On Wed, 2026-04-15 at 09:47 +0800, Jiayuan Chen wrote: >=20 > On 4/14/26 11:37 PM, mkf wrote: > > On Tue, 2026-04-14 at 18:57 +0800, Jiayuan Chen wrote: >=20 > Hi Martin, I saw your patch. Your solution is better, please ignore mine = :) >=20 I'm not Martin, just same first name :). Ok, I'll continue. >=20 >=20 --=20 Thanks, KaFai