From nobody Tue Feb 11 21:42:12 2025 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Ysw0Y4Smtz5mn0q; Tue, 11 Feb 2025 21:42:53 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Received: from smtp052.goneo.de (smtp5.goneo.de [IPv6:2001:1640:5::8:30]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Ysw0X46n6z3VVQ; Tue, 11 Feb 2025 21:42:52 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=walstatt-de.de header.s=DKIM001 header.b=tLQRfYYV; spf=pass (mx1.freebsd.org: domain of freebsd@walstatt-de.de designates 2001:1640:5::8:30 as permitted sender) smtp.mailfrom=freebsd@walstatt-de.de; dmarc=none Received: from hub2.goneo.de (hub2.goneo.de [85.220.129.53]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by smtp5.goneo.de (Postfix) with ESMTPS id 9BB52240E79; Tue, 11 Feb 2025 22:42:49 +0100 (CET) Received: from hub2.goneo.de (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by hub2.goneo.de (Postfix) with ESMTPS id 08A2B240201; Tue, 11 Feb 2025 22:42:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walstatt-de.de; s=DKIM001; t=1739310168; 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; bh=8/qssnSd8Gw5lZlB+DY3t16DkpcmBHS+EFQ38unz/Yo=; b=tLQRfYYVQ6X6mzZ/MGMQOaNJZvtdIBxgOR8zAaVCUSUa1RCjT6iT+ddBcrEWOFvp29QFjr S2lMyGzsW0KRnupZtMBWLfNTTyEJqOJlY4zAgTOLQfpkNUPc3RT4KZYTdicpVm85Tnmpwy WddZkB+ypLyjRyVvAJ3jmS/4kvTyflq9DXEeEaZSK4Xrt3o36yPHGLJPnQWQyttKZNU+br cQvl44OZQPS7GBuIOG+ILB36WLWr6k9wDsEbI5OScU1VDJVoRYAukJE5YFqmA4XUvRPDQC 1Q8dCV9wr0oS2QPRSsnD6KXADjld/tp3RPClp1tBkGOHeL4KejXv7wnEdFVUhA== Received: from thor.sb211.local (dynamic-2a02-3100-2309-1102-e8cb-7fd4-9960-fe86.310.pool.telefonica.de [IPv6:2a02:3100:2309:1102:e8cb:7fd4:9960:fe86]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by hub2.goneo.de (Postfix) with ESMTPSA id BD11A240181; Tue, 11 Feb 2025 22:42:47 +0100 (CET) Date: Tue, 11 Feb 2025 22:42:12 +0100 From: A FreeBSD User To: FreeBSD CURRENT Cc: freebsd-net@freebsd.org Subject: rtadvctl -vv show : Segmentation fault Message-ID: <20250211224239.51cf1d2e@thor.sb211.local> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/O/veLQWI0FRynxvrbKjjd2H"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Rspamd-UID: 87f2db X-Rspamd-UID: 23e9ad X-Spamd-Result: default: False [-5.65 / 15.00]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.95)[-0.953]; R_DKIM_ALLOW(-0.20)[walstatt-de.de:s=DKIM001]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; R_SPF_ALLOW(-0.20)[+ip6:2001:1640:5::8:0/112]; RCVD_IN_DNSWL_LOW(-0.10)[2001:1640:5::8:30:from]; MIME_TRACE(0.00)[0:+,1:+,2:~]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; ASN(0.00)[asn:25394, ipnet:2001:1640::/32, country:DE]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DMARC_NA(0.00)[walstatt-de.de]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org,freebsd-net@freebsd.org]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[walstatt-de.de:+] X-Spamd-Bar: ----- X-Rspamd-Queue-Id: 4Ysw0X46n6z3VVQ --Sig_/O/veLQWI0FRynxvrbKjjd2H Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hello, I'm running a small 14-STABLE (FreeBSD 14.2-STABLE #11 n270324-8d5d7e2ba3a6= : Thu Feb 6 16:56:03 CET 2025 amd64) based router appliance, running rtadvd(8). When stoppimg/starting mpd5 several times, changing the IPv6 prefix, I can = almost with a 100% certainty reproduce such an error calling rtadvctl: [...] root@gate:~ # rtadvctl -vv show igb0: flags=3D status=3D mtu 1500 DefaultLifetime: 30m MinAdvInterval/MaxAdvInterval: 3m20s/10m AdvLinkMTU: , Flags: , Preference: medium ReachableTime: 0s, RetransTimer: 0s, CurHopLimit: 64 AdvIfPrefixes: no Next RA send: Tue Feb 11 22:36:21 2025 Last RA send: Tue Feb 11 22:30:23 2025 Prefixes (1): Segmentation fault [...] The indication of such a rtadvd failure within our network is no prefix del= egation any more, several IPv6 on the (client) hosts's NICs are marked "deprecated" or = "detached", but none usable. Checking on the gateway with the command shown above results in a segmentat= ion fault ... funny. To solve this, we have to restart rtadvd. --=20 A FreeBSD user --Sig_/O/veLQWI0FRynxvrbKjjd2H Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQRQheDybVktG5eW/1Kxzvs8OqokrwUCZ6vETwAKCRCxzvs8Oqok r6HCAP45dndlnK95E11aXVx5FJD2lQP1q2W4TbIbrMxHSTYzaAD5AaS26/IXIYNw NL+JgzM4STVGVVyg7SNc1YQqLdu7xgw= =mcT4 -----END PGP SIGNATURE----- --Sig_/O/veLQWI0FRynxvrbKjjd2H--