From owner-freebsd-hackers@freebsd.org Thu Apr 15 18:59:06 2021 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1A44F5D2DC8 for ; Thu, 15 Apr 2021 18:59:06 +0000 (UTC) (envelope-from 6yearold@gmail.com) Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com [209.85.208.172]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FLpXn0qRSz4jqX for ; Thu, 15 Apr 2021 18:59:04 +0000 (UTC) (envelope-from 6yearold@gmail.com) Received: by mail-lj1-f172.google.com with SMTP id o16so28323588ljp.3 for ; Thu, 15 Apr 2021 11:59:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=opuefokgMV0lCKZfSxUVo8R1SCEW4C2F8GMNFI4B584=; b=aSj9bWljy3D0TqgWpHIdQirwK6G4b1IZ6f0PefYr9bZjydCznU32JxKt4/qvAyjK5U saMueS9aKTY0RwQd8ZH0YRZHjejxRofvf1zMj1ChY+GwaST8s30D66zePLy8YNGIMBxr vHyDgHvtjshzA7pySYijAWCW3tk07Em8Eu8oyD9W6vBqj448uG17ZIyR1PCrCabGO/vN o+f2inlfT8ks6xqdYssqHVKlp/Tb9lk/z+m5tgApVRmq++RDbIy5zS1zBbbVASiwgXpd pnKDxqaJHG1TOnZob8UMNveQQRdYCQ9aE+K7Z6wKTyphyLfdO8NUwvNavw6o1uji50xf /z+A== X-Gm-Message-State: AOAM5334unkAlsFVKSuY5fxFHeAqldmBx8//Cv/3H8Cj/YN9BojOJxoD I7GUx1tD2g+E9m6zzFfyE0jbX6A4E6uu4Q== X-Google-Smtp-Source: ABdhPJzb93zUVpe5jAW+Fz1+X/HIjYtM1C/mBCByuy8YZTujMs4MeGytr9nk0Oc6MqmPMv8HFD7bpQ== X-Received: by 2002:a05:651c:2005:: with SMTP id s5mr363729ljo.491.1618513143116; Thu, 15 Apr 2021 11:59:03 -0700 (PDT) Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com. [209.85.167.48]) by smtp.gmail.com with ESMTPSA id z131sm735095lfa.275.2021.04.15.11.59.02 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Apr 2021 11:59:02 -0700 (PDT) Received: by mail-lf1-f48.google.com with SMTP id n138so40932513lfa.3 for ; Thu, 15 Apr 2021 11:59:02 -0700 (PDT) X-Received: by 2002:a19:e34c:: with SMTP id c12mr365983lfk.555.1618513142674; Thu, 15 Apr 2021 11:59:02 -0700 (PDT) MIME-Version: 1.0 From: Gleb Popov Date: Thu, 15 Apr 2021 21:58:36 +0300 X-Gmail-Original-Message-ID: Message-ID: Subject: A bug with getsockopt(SOL_LOCAL, LOCAL_PEERCRED) ? To: freebsd-hackers X-Rspamd-Queue-Id: 4FLpXn0qRSz4jqX X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of 6yearold@gmail.com designates 209.85.208.172 as permitted sender) smtp.mailfrom=6yearold@gmail.com X-Spamd-Result: default: False [-2.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FORGED_SENDER(0.30)[arrowd@freebsd.org,6yearold@gmail.com]; SUBJECT_ENDS_QUESTION(1.00)[]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FROM_NEQ_ENVFROM(0.00)[arrowd@freebsd.org,6yearold@gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; TO_DOM_EQ_FROM_DOM(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[209.85.208.172:from]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[209.85.208.172:from:127.0.2.255]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; RCVD_IN_DNSWL_NONE(0.00)[209.85.208.172:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.208.172:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-hackers] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Technical discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Apr 2021 18:59:06 -0000 Hello hackers. I'm using getsockopt(SOL_LOCAL, LOCAL_PEERCRED) on a unix socket and for some reason it fails for me. I came up with a minimal reproduction testcase: https://arrowd.name/un.cpp Steps to reproduce: 1. c++ un.cpp 2. ./a.out 3. nc -U foobar This results in getsockopt failed with Socket is not connected Am I missing something?