From owner-freebsd-net@freebsd.org Mon Dec 31 13:57:55 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6F0111435420 for ; Mon, 31 Dec 2018 13:57:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 0AD776D4BA for ; Mon, 31 Dec 2018 13:57:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id C2547143541D; Mon, 31 Dec 2018 13:57:54 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9FEA0143541C for ; Mon, 31 Dec 2018 13:57:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 400C46D4B6 for ; Mon, 31 Dec 2018 13:57:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 8B89F191CE for ; Mon, 31 Dec 2018 13:57:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id wBVDvrCi049654 for ; Mon, 31 Dec 2018 13:57:53 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id wBVDvrRO049653 for net@FreeBSD.org; Mon, 31 Dec 2018 13:57:53 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 233535] Machines lost ping6 after adding same IPv6 address Date: Mon, 31 Dec 2018 13:57:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: hselasky@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Dec 2018 13:57:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D233535 --- Comment #18 from Hans Petter Selasky --- Documenting yet another related crash scenario: #12 0xffffffff80e292f0 in mld_change_state (inm=3D0xfffff802eb1f5800, delay= =3D0) at /usr/img/freebsd/sys/netinet6/mld6.c:1909 #13 0xffffffff80e1546a in in6_joingroup_locked (ifp=3D,=20 mcaddr=3D0xfffffe008da78618, imf=3D0x0, pinm=3D0xfffff8000415a960, dela= y=3D0) at /usr/img/freebsd/sys/netinet6/in6_mcast.c:1321 #14 0xffffffff80e14f74 in in6_joingroup (ifp=3D0xffffffff81e95368 ,=20 mcaddr=3D0x80, imf=3D, pinm=3D0x80, delay=3D16) at /usr/img/freebsd/sys/netinet6/in6_mcast.c:1248 #15 0xffffffff80e0ce20 in in6_joingroup_legacy (ifp=3D,=20 mcaddr=3D0x40002ff, delay=3D18, errorp=3D) at /usr/img/freebsd/sys/netinet6/in6.c:752 #16 in6_update_ifa_join_mc (ifp=3D, ifra=3D,= =20 ia=3D, flags=3D, in6m_sol=3D) at /usr/img/freebsd/sys/netinet6/in6.c:848 #17 in6_broadcast_ifa (ifp=3D, ifra=3D,=20 ia=3D, flags=3D) at /usr/img/freebsd/sys/netinet6/in6.c:1227 #18 in6_update_ifa (ifp=3D, ifra=3D,=20 ia=3D, flags=3D) at /usr/img/freebsd/sys/netinet6/in6.c:910 #19 0xffffffff80e0ae7b in in6_control (so=3D,=20 --Type for more, q to quit, c to continue without paging-- data=3D, ifp=3D, td=3D) at /usr/img/freebsd/sys/netinet6/in6.c:564 #20 0xffffffff80cd13db in ifioctl (so=3D, cmd=3D2156423451, data=3D0xfffff80006ea3b00 "mce0",=20 td=3D0xfffff8011cc9a000) at /usr/img/freebsd/sys/net/if.c:3098 #21 0xffffffff80c3c41b in fo_ioctl (fp=3D, com=3D, data=3D0x1d0, active_cred=3D0x80,=20 td=3D) at /usr/img/freebsd/sys/sys/file.h:330 #22 kern_ioctl (td=3D, fd=3D, com=3D215642345= 1,=20 data=3D0x1d0 ) at /usr/img/freebsd/sys/kern/sys_generic.c:800 #23 0xffffffff80c3c10d in sys_ioctl (td=3D0xfffff8011cc9a000, uap=3D0xfffff8011cc9a3c0) at /usr/img/freebsd/sys/kern/sys_generic.c:712 #24 0xffffffff8109deb2 in syscallenter (td=3D0xfffff8011cc9a000) at /usr/img/freebsd/sys/amd64/amd64/../../kern/subr_syscall.c:135 #25 amd64_syscall (td=3D0xfffff8011cc9a000, traced=3D0) at /usr/img/freebsd/sys/amd64/amd64/trap.c:1154 #12 0xffffffff80e292f0 in mld_change_state (inm=3D0xfffff802eb1f5800, delay= =3D0) at /usr/img/freebsd/sys/netinet6/mld6.c:1909 1909 KASSERT(inm->in6m_ifp =3D=3D ifp, ("%s: bad ifp", __func__)= ); (kgdb) list 1904 return (0); 1905 /* 1906 * Sanity check that netinet6's notion of ifp is the 1907 * same as net's. 1908 */ 1909 KASSERT(inm->in6m_ifp =3D=3D ifp, ("%s: bad ifp", __func__)= ); 1910=20=20=20=20 1911 MLD_LOCK(); 1912 mli =3D MLD_IFINFO(ifp); 1913 KASSERT(mli !=3D NULL, ("%s: no mld_ifsoftc for ifp %p", __func__, ifp)); (kgdb) print *inm $3 =3D { in6m_addr =3D { __u6_addr =3D { __u6_addr8 =3D "\377\002\000\004\000\000\000\000\000\000\000\002\340\312\325\032",=20 __u6_addr16 =3D {767, 1024, 0, 0, 0, 512, 51936, 6869},=20 __u6_addr32 =3D {67109631, 0, 33554432, 450218720} } },=20 in6m_ifp =3D 0x0,=20 in6m_ifma =3D 0xfffff80006969080,=20 in6m_refcount =3D 1,=20 in6m_state =3D 0,=20 in6m_timer =3D 0,=20 in6m_mli =3D 0xfffff800067e0900,=20 in6m_nrele =3D { sle_next =3D 0x0 },=20 in6m_srcs =3D { rbh_root =3D 0x0 },=20 in6m_nsrc =3D 0,=20 in6m_scq =3D { mq_head =3D { stqh_first =3D 0x0,=20 stqh_last =3D 0xfffff802eb1f5850 },=20 mq_len =3D 0,=20 mq_maxlen =3D 24 },=20 in6m_lastgsrtv =3D { tv_sec =3D 0,=20 tv_usec =3D 0 },=20 in6m_sctimer =3D 0,=20 in6m_scrv =3D 0,=20 in6m_st =3D {{ iss_fmode =3D 0,=20 iss_asm =3D 0,=20 iss_ex =3D 0,=20 iss_in =3D 0,=20 iss_rec =3D 0 }, { iss_fmode =3D 2,=20 iss_asm =3D 1,=20 iss_ex =3D 1,=20 iss_in =3D 0,=20 iss_rec =3D 0 }} } --=20 You are receiving this mail because: You are the assignee for the bug.=