From owner-freebsd-current@freebsd.org Thu Nov 7 12:37:00 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 A33301B2916 for ; Thu, 7 Nov 2019 12:37:00 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4782wD1czLz4ZvL for ; Thu, 7 Nov 2019 12:37:00 +0000 (UTC) (envelope-from david@catwhisker.org) Received: by mailman.nyi.freebsd.org (Postfix) id 379881B2910; Thu, 7 Nov 2019 12:37:00 +0000 (UTC) Delivered-To: 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 375D91B290F for ; Thu, 7 Nov 2019 12:37:00 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mx.catwhisker.org (mx.catwhisker.org [198.144.209.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4782wB5BHZz4ZvG for ; Thu, 7 Nov 2019 12:36:58 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (localhost [127.0.0.1]) by albert.catwhisker.org (8.15.2/8.15.2) with ESMTP id xA7Cat1U055810 for ; Thu, 7 Nov 2019 12:36:55 GMT (envelope-from david@albert.catwhisker.org) Received: (from david@localhost) by albert.catwhisker.org (8.15.2/8.15.2/Submit) id xA7CatfU055809 for current@freebsd.org; Thu, 7 Nov 2019 04:36:55 -0800 (PST) (envelope-from david) Date: Thu, 7 Nov 2019 04:36:55 -0800 From: David Wolfskill To: current@freebsd.org Subject: Segmentation fault in netstat after r354373 -> r354373 update Message-ID: <20191107123655.GQ1194@albert.catwhisker.org> Reply-To: current@freebsd.org Mail-Followup-To: current@freebsd.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="IjidByZJ9GyRdto8" Content-Disposition: inline User-Agent: Mutt/1.12.2 (2019-09-21) X-Rspamd-Queue-Id: 4782wB5BHZz4ZvG X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of david@catwhisker.org designates 198.144.209.73 as permitted sender) smtp.mailfrom=david@catwhisker.org X-Spamd-Result: default: False [-2.89 / 15.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.00)[current@freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:198.144.209.73]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[73.209.144.198.list.dnswl.org : 127.0.10.0]; SIGNED_PGP(-2.00)[]; DMARC_NA(0.00)[catwhisker.org]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:7961, ipnet:198.144.208.0/20, country:US]; RCVD_COUNT_TWO(0.00)[2]; IP_SCORE(-3.49)[ip: (-9.33), ipnet: 198.144.208.0/20(-4.46), asn: 7961(-3.63), country: US(-0.05)]; REPLYTO_EQ_TO_ADDR(5.00)[] 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, 07 Nov 2019 12:37:00 -0000 --IjidByZJ9GyRdto8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable (I haven't started to look for a culprit yet; thought I'd let folks know about it first. -- dhw) g1-49(13.0-C)[1] uname -a FreeBSD g1-49.catwhisker.org 13.0-CURRENT FreeBSD 13.0-CURRENT #514 r354436= M/354436: Thu Nov 7 04:15:23 PST 2019 root@g1-49.catwhisker.org:/commo= n/S4/obj/usr/src/amd64.amd64/sys/CANARY amd64 g1-49(13.0-C)[2] which netstat /usr/bin/netstat g1-49(13.0-C)[3] ls -lT `!!` ls -lT `which netstat` -r-xr-sr-x 1 root kmem 160192 Nov 7 04:17:46 2019 /usr/bin/netstat g1-49(13.0-C)[4] netstat -nr Segmentation fault g1-49(13.0-C)[5] sudo netstat -nr Segmentation fault g1-49(13.0-C)[6] sudo gdb `which netstat` Password: GNU gdb (GDB) 8.3.1 [GDB v8.3.1 for FreeBSD] Copyright (C) 2019 Free Software Foundation, Inc. =2E.. Reading symbols from /usr/bin/netstat... (No debugging symbols found in /usr/bin/netstat) (gdb) run -nr Starting program: /usr/bin/netstat -nr Routing tables Internet: Destination Gateway Flags Netif Expire default 172.17.0.1 UGS wlan0 127.0.0.1 link#2 UH lo0 172.17.0.0/16 link#3 U wlan0 172.17.1.49 link#3 UHS lo0 Internet6: Destination Gateway Flags N= etif Expire ::/96 ::1 UGRS = lo0 ::1 link#2 UH = lo0 ::ffff:0.0.0.0/96 ::1 UGRS = lo0 fe80::/10 ::1 UGRS = lo0 fe80::%lo0/64 link#2 U = lo0 fe80::1%lo0 link#2 UHS = lo0 ff02::/16 ::1 UGRS = lo0 [Inferior 1 (process 1993) exited normally] So... Heisenbug? No changes directly to netstat sources (in the r354373 - r354373 interval). Looks as if libxo got a bit of an overhaul, though. Peace, david --=20 David H. Wolfskill david@catwhisker.org It's ... rich ... for Trump to accuse someone else of being a liar. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --IjidByZJ9GyRdto8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEE4owz2QxMJyaxAefyQLJg+bY2PckFAl3ED+dfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEUy OEMzM0Q5MEM0QzI3MjZCMTAxRTdGMjQwQjI2MEY5QjYzNjNEQzkACgkQQLJg+bY2 PcnTtQgAl7OFsD+wRBiaElaLuJqBweChmFv6kgZJrU5Qvze9hji0/FVgvY/NBi3P Rhg13OaK+/KIR8JHsMPtl1G7kGtG9m30gzZrEEdC89X+IXdI3pHWO3u9p8Y3mh8m AG99FUK/l6dfmCK+y7s4IlUDRBWk1hj4FEDy+z08uTv/o4FpOHvsonAT34WUXd5L tI6ehZYPPeqZNpxusct7hN3/OwYwLIo+rnHLEF81qfMOCXQ7MFmxAu2LP4VM6Biv ePkWcerkc7GV37KvcwaCmwa3NdBzKC/ytoXUh91FQdRPfjO8512XRMYUpCDolTqq 44Ez+s7Jhs7Xdym3Fc9npel7btC8XA== =z5kc -----END PGP SIGNATURE----- --IjidByZJ9GyRdto8--