From nobody Wed Aug 16 00:05:06 2023 X-Original-To: net@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 4RQT6f2VnQz4mQh2 for ; Wed, 16 Aug 2023 00:10:18 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mx1.sbone.de (mx1.sbone.de [IPv6:2a01:4f8:13b:39f::9f:25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx1.sbone.de", Issuer "SBone.DE Root Certificate Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RQT6d4jVgz4TjQ for ; Wed, 16 Aug 2023 00:10:17 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of bzeeb-lists@lists.zabbadoz.net designates 2a01:4f8:13b:39f::9f:25 as permitted sender) smtp.mailfrom=bzeeb-lists@lists.zabbadoz.net; dmarc=none Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:4902:0:7404:2:1025]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 3366C8D4A142 for ; Wed, 16 Aug 2023 00:10:09 +0000 (UTC) Received: from content-filter.t4-02.sbone.de (content-filter.t4-02.sbone.de [IPv6:fde9:577b:c1a9:4902:0:7404:2:2742]) (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) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id 459D65C3A82F for ; Wed, 16 Aug 2023 00:10:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:4902:0:7404:2:1025]) by content-filter.t4-02.sbone.de (content-filter.t4-02.sbone.de [IPv6:fde9:577b:c1a9:4902:0:7404:2:2742]) (amavisd-new, port 10024) with ESMTP id uji-9Ov0avrc for ; Wed, 16 Aug 2023 00:05:07 +0000 (UTC) Received: from strong-iwl0.sbone.de (strong-iwl0.sbone.de [IPv6:fde9:577b:c1a9:4902:b66b:fcff:fef3:e3d2]) (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) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id 46DBA5C3A82E for ; Wed, 16 Aug 2023 00:05:07 +0000 (UTC) Date: Wed, 16 Aug 2023 00:05:06 +0000 (UTC) From: "Bjoern A. Zeeb" To: net@freebsd.org Subject: TCP/IPv6 LOR in main Message-ID: X-OpenPGP-Key-Id: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=US-ASCII X-Spamd-Result: default: False [-1.48 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.999]; NEURAL_HAM_SHORT(-0.98)[-0.982]; NEURAL_SPAM_LONG(0.81)[0.805]; R_SPF_ALLOW(-0.20)[+ip6:2a01:4f8:13b:39f::9f:25]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[net@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[zabbadoz.net]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[net@freebsd.org]; TO_DN_NONE(0.00)[]; RCVD_TLS_LAST(0.00)[] X-Spamd-Bar: - X-Rspamd-Queue-Id: 4RQT6d4jVgz4TjQ Hi, with ALPHA1 inside a bhyve development VM: lock order reversal: 1st 0xfffffe0001522a70 tcphash (tcphash, sleep mutex) @ /sys/netinet/tcp_usrreq.c:1513 2nd 0xffffffff81aa7bb0 in6_ifaddr_lock (in6_ifaddr_lock, rm) @ /sys/netinet6/in6_src.c:305 lock order tcphash -> in6_ifaddr_lock attempted at: #0 0xffffffff80bc063e at witness_checkorder+0xbbe #1 0xffffffff80b463e9 at _rm_rlock_debug+0x139 #2 0xffffffff80d7b99a at in6_selectsrc+0x45a #3 0xffffffff80d7b4f1 at in6_selectsrc_socket+0x41 #4 0xffffffff80d79437 at in6_pcbconnect+0x247 #5 0xffffffff80d5d554 at tcp6_connect+0xa4 #6 0xffffffff80d5aeab at tcp6_usr_connect+0x2eb #7 0xffffffff80bfcb43 at soconnectat+0xb3 #8 0xffffffff80c03c90 at kern_connectat+0xe0 #9 0xffffffff80c03b9b at sys_connect+0x9b #10 0xffffffff8104a398 at amd64_syscall+0x138 #11 0xffffffff8101cbeb at fast_syscall_common+0xf8 -- Bjoern A. Zeeb r15:7