From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_SIGNED, FROM_EXCESS_BASE64,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIM_INVALID,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1416C3279B for ; Wed, 4 Jul 2018 21:22:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91386240B8 for ; Wed, 4 Jul 2018 21:22:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=jidanni.org header.i=@jidanni.org header.b="fd7yFcok" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91386240B8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=jidanni.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753021AbeGDVWc (ORCPT ); Wed, 4 Jul 2018 17:22:32 -0400 Received: from homie.mail.dreamhost.com ([208.97.132.208]:59878 "EHLO homiemail-a7.g.dreamhost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752819AbeGDVWb (ORCPT ); Wed, 4 Jul 2018 17:22:31 -0400 X-Greylist: delayed 132549 seconds by postgrey-1.27 at vger.kernel.org; Wed, 04 Jul 2018 17:22:31 EDT Received: from homiemail-a7.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a7.g.dreamhost.com (Postfix) with ESMTP id E194125C06D; Wed, 4 Jul 2018 14:22:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jidanni.org; h=from:to:cc :subject:references:date:message-id:mime-version:content-type; s=jidanni.org; bh=sNxPQ2wd2jFAJAbOsJ7BmlgWyLw=; b=fd7yFcok4Q6Zb 46bv02mtLfNAO1EkBM5ZbprP2cAarkljhNq0fU2fgOznlZTu/mjMxGenuW5FXRzp zi1ByLetfFT3cjT85mJDuGBHcpSJHcRh6XOimVCBmV1nUpb7kL256SnhJC4oE38K X/NDVxS8I/OwVQ/1WLprlw26tc06qs= Received: from jidanni.org (27-52-34-48.adsl.fetnet.net [27.52.34.48]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jidanni@jidanni.org) by homiemail-a7.g.dreamhost.com (Postfix) with ESMTPSA id 6999425C06B; Wed, 4 Jul 2018 14:22:30 -0700 (PDT) From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson To: Randy Dunlap Cc: linux-kernel@vger.kernel.org, "netdev\@vger.kernel.org" , Eric Dumazet Subject: Re: recvmsg bug not clear References: <87601whg6r.fsf@jidanni.org> <97b3d0e4-7920-4462-6bc6-8cca3e57c560@infradead.org> Date: Thu, 05 Jul 2018 05:22:28 +0800 Message-ID: <87a7r6d7cb.fsf@jidanni.org> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "RD" == Randy Dunlap writes: RD> That's a message from net/ipv4/tcp.c OK, but there should be something telling the user one way or the other that the following is an error / bug message from the Linux kernel, (and thus not some random program that the user installed), from the component net/ipv4/tcp.c, and represents some condition that was unexpected and should be reported to ... or is the user's own fault ... and if he wants to google about it he is best to use ...