From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (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 B5FD2253939 for ; Thu, 3 Jul 2025 12:07:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751544427; cv=none; b=RZPBFdGflrn+11dKlbdlde3drksVr71DKLFpZqV+aCxVf/4yF03HpMAvDJJwoOSMTgMsi2+SPY0rhygzid73693agvOtnBUxOUumfHPPxxVcjexp/qdAcGE+Qws3WLj4mihLnD/0Tf1TDZWzABHrTMvLr0u2k1eUag/CzDq0Ujw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751544427; c=relaxed/simple; bh=stYArxip4kjJitJByN9iVd3ZIhQcyfwOj54Uq84VWeA=; h=MIME-Version:Date:Content-Type:From:Message-ID:Subject:To:Cc: In-Reply-To:References; b=XJNIG+bdOMTrRIIk3HmtU+QiWuH6ygLgpvK8Tt4QBLeXBQOZFMNGkJ96N+fGps0vFz1d1bkEtiwU8HoHuylyZr0JNH+FWXUE9sqZ3mh/WAyemW4l3UGHCaqgTbS3mfSXRfDo/5ShJijtyF1VGt7Rb0DsoqTTr1BjSlSpVBgI5w0= 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=tCAVlJpt; arc=none smtp.client-ip=95.215.58.177 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="tCAVlJpt" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1751544411; 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=stYArxip4kjJitJByN9iVd3ZIhQcyfwOj54Uq84VWeA=; b=tCAVlJptxk7Et4EsTw58pbNdV26JV91nzN3px3D1IlCpMzWs99vCIZNyFALWghX6OnkFe5 rb4fS3JHel3OQ+OOTrSv8RNYvdi4EdIdhWMsrm5/bRo8b4ByhyUR8KqWMvrhfz9647MTkS KquGKGjcYHOCHqL5L1sK4VjNU4tJKpI= Date: Thu, 03 Jul 2025 12:06:49 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: "Jiayuan Chen" Message-ID: TLS-Required: No Subject: Re: [PATCH net-next v1] tcp: Correct signedness in skb remaining space calculation To: "Eric Dumazet" Cc: netdev@vger.kernel.org, mrpre@163.com, "Neal Cardwell" , "Kuniyuki Iwashima" , "David S. Miller" , "David Ahern" , "Jakub Kicinski" , "Paolo Abeni" , "Simon Horman" , "David Howells" , linux-kernel@vger.kernel.org In-Reply-To: <6724e69057445ab66d70f0b28c115e2d8fb5543b@linux.dev> References: <20250702110039.15038-1-jiayuan.chen@linux.dev> <6724e69057445ab66d70f0b28c115e2d8fb5543b@linux.dev> X-Migadu-Flow: FLOW_OUT 2025/7/3 20:03, "Jiayuan Chen" =E5=86=99=E5=88= =B0: >=20 >=20Hi Eric, >=20 >=20I'm working with a reproducer generated by syzkaller [1], and its cor= e =20 https://syzkaller.appspot.com/bug?extid=3Dde6565462ab540f50e47 (sorry losting the link...)