From owner-freebsd-current@freebsd.org Thu Sep 5 06:34:00 2019 Return-Path: Delivered-To: freebsd-current@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 A2918DB09E for ; Thu, 5 Sep 2019 06:34:00 +0000 (UTC) (envelope-from zakharov.vv@gmail.com) Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 46P9rR39cZz4KCV for ; Thu, 5 Sep 2019 06:33:58 +0000 (UTC) (envelope-from zakharov.vv@gmail.com) Received: by mail-lj1-x243.google.com with SMTP id a4so1142834ljk.8 for ; Wed, 04 Sep 2019 23:33:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=x92WgMaOHn8fzLtU56YZZbAJQEZdJxjIFctMZqYhEHw=; b=VdwOQOFZlRtQQukOmP8WIt5c7qBACIAa3lSajXNLU7mTUiJtLYihcmugOoZX+nUBpD pEvA67HA7tVKbqbLcwLCmQRITtRJWZkDOXOhNDLNciwNPgPL8OivKp29s/B6WpxdvzqL ySNKh1XVZ61N28x3Cav4QZTMGNCVPn8PPXy8G0VfeFE5I8mXCVCi0AMTnXkVAAKpoRWI 4qwgl5VXsOLEYtPmR7TJjKG5gVlbCs1A+IvQUWhih7xIDsRgDmZL2Dp3ukavrOeNUlIo AfU2YHS53oJgta9E8JyPUzZCwgxeuh5c6bjdlrQwnnKfybL4N4+uul06aFnLtCLzCfH6 w1zQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=x92WgMaOHn8fzLtU56YZZbAJQEZdJxjIFctMZqYhEHw=; b=RnRh7hAui8kNT1r/348RRM36x3DfxM70s32uXNZEaLxxcP7sifdWu9TglQiLCUD9Fv em5vOUXI1X/c5w0+HpXPEI6NiUmrWh/fzJBUEDHZAQ8IvnPXCHVitToLxB0LOwfNN6Xh duOcdXCP/58TMxcZMV8K2QPOzK05t4EalqmAyPg5/+vZx0snQc+rcvXoxyRnorxjbemF rJVqG4UspaQDnyNNh6Feay9Bp8cJIEaXMr9EYlJI/VAW3kWA83C524Ebol6dX+HyE38t rlEOlIjf3DEEWWsi4FkWwk4ZzX5fgOC7t+mvSKZHvosOWUc1riLyLXKIxCc65PtFY5MD kbTw== X-Gm-Message-State: APjAAAVA+yi6LXAAlXb1TB9hcqnHJQ4UsR9uqnhEkEVrgUv8qfwcGYmL vvuNg4/XmA69W5fTLnsMxPHgjcMoTcY= X-Google-Smtp-Source: APXvYqxQ4dR/DrI1WEq/GflUEu4NX6PJg3sXF764L+VKp58X+fHt4BkEPHabws7bejAGmBnr7IXBnA== X-Received: by 2002:a2e:8103:: with SMTP id d3mr911484ljg.105.1567665236916; Wed, 04 Sep 2019 23:33:56 -0700 (PDT) Received: from localhost (109-252-76-192.nat.spd-mgts.ru. [109.252.76.192]) by smtp.gmail.com with ESMTPSA id n18sm267331lfe.0.2019.09.04.23.33.55 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2019 23:33:56 -0700 (PDT) Date: Thu, 5 Sep 2019 09:33:54 +0300 From: Vladimir Zakharov To: freebsd-current@freebsd.org Subject: Re: ntpd segfaults on start Message-ID: <20190905063354.qxecqjkafikdtdyq@vzakharov> References: <20190905061251.rrip6635ebbfimsv@vzakharov> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ply3axd74k44nuk3" Content-Disposition: inline In-Reply-To: <20190905061251.rrip6635ebbfimsv@vzakharov> X-Operating-System: FreeBSD 13.0-CURRENT amd64 User-Agent: NeoMutt/20180716 X-Rspamd-Queue-Id: 46P9rR39cZz4KCV X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=VdwOQOFZ; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of zakharovvv@gmail.com designates 2a00:1450:4864:20::243 as permitted sender) smtp.mailfrom=zakharovvv@gmail.com X-Spamd-Result: default: False [-5.58 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.98)[-0.984,0]; SIGNED_PGP(-2.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[192.76.252.109.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.11]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; IP_SCORE_FREEMAIL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(0.00)[ip: (3.11), ipnet: 2a00:1450::/32(-2.98), asn: 15169(-2.28), country: US(-0.05)]; RCVD_IN_DNSWL_NONE(0.00)[3.4.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Sep 2019 06:34:00 -0000 --ply3axd74k44nuk3 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 05, 2019, Vladimir Zakharov wrote: > Hello! >=20 > Accidentally it turned out that the ntpd does not start on boot. > Logs show that it core dumps: > 2019-09-05T08:38:43.588563+03:00 vzakharov ntpd 34934 - - ntpd 4.2.8p12-a= (1): Starting > 2019-09-05T08:38:43.588717+03:00 vzakharov kernel - - - Security policy l= oaded: MAC/ntpd (mac_ntpd) > 2019-09-05T08:38:43.718356+03:00 vzakharov kernel - - - pid 35074 (ntpd),= jid 0, uid 123: exited on signal 11 >=20 > Not sure how long does it happen. ktrace and gdb points to `setrlimit` > call. Clean rebuild has no effect. Does anyone have any idea what the > problem could be? Accidental insight after sending initial mail: I've disabled ASLR related sysctls, and now ntpd starts and runs again. # grep aslr /boot/loader.conf kern.elf32.aslr.enable=3D0 kern.elf64.aslr.enable=3D0 # service ntpd status ntpd is running as pid 30528. --=20 Regards, | "In theory there is no difference between theory Vladimir Zakharov | and practice. In practice there is."- Yogi Berra --ply3axd74k44nuk3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGigXAiE0PbwWpysjipH2KCLzK4cFAl1wrFIACgkQipH2KCLz K4dpVQgArDcKyoZ9kWc4uWVZCmoJ2nJSxCzKrTvzbx2HDMZJtJgOwlYxXcO92aEv c9YHol7DhRGFwG+/JBUPXgNCbgxVgijrtjaM8KRN8kW8hH2wSLQ0uBdRKr5NpJ3s /VkwLTLLLHj1nsmUvdmlvrKlImYhaAmZunKlFqu9QBWr7YbZmsP6TonKB7MaKlVA zxw/r5rNAxAW8iqT4GhNOHtiQjhqQrb+fK7etRhY6f1uu9vlbaDx9hmze4znM3BX ADChcu4KBjxiPrwzNz+P9iIWKgfRKPiezQVefCw5CNeh+1uPaFOIECqPZ9kWScwq ISS3lPfiBukVvXhLBEcR+M4bQlXF5Q== =44Dj -----END PGP SIGNATURE----- --ply3axd74k44nuk3--