From nobody Mon Dec 8 11:06:25 2025 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 4dPzgk0jxjz6JcBN for ; Mon, 08 Dec 2025 11:06:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dPzgk00VJz3Gv1 for ; Mon, 08 Dec 2025 11:06:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765191986; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iUwusrvjOX1QtGvq+c+Sc2/zL8vgyoKTONjFo4MqDYw=; b=Xn7VbP2LiVYOQ02a3pRaMNSXBMcUqWXWFZOXy72eMUJNIJFfi9Z0RK+77/7DhjdGsQrbjn 7r7T0/RVKlRw1ctTlxD8wmXu2esEDZH/qJKhmCBCeRNByd2kbjUo8d9A16i8yD9ch5x3bB z6YmX21b6XTD6C0P20I9yXDSEDrCVH4a22jtUYdOSlFPB7Of/l8EuRDKwW0ihrRFq4X0r1 GjpnQPCaCjQRE4kZVUJh/+GmQRArph6fT1nVg06FDSUyQ8KEu7QkBd+cWB1vWCfIqxV998 Zb9spLQnvUxgOqyGzLcicfXcbA6MtGIFSa2+kxtSwZmypri8mh2Pnh3emZIdHg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765191986; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iUwusrvjOX1QtGvq+c+Sc2/zL8vgyoKTONjFo4MqDYw=; b=WlaaG7DoZELC1FZnw4SclYKW+tnLreUTNxRjOrx5cpS7QY24t6FgCNz4cebqy7gURZ64Ma TxvPqgmRW7W89WOzG6bNRpfJ5bblf2yrZdch4fhrUOrFeRtLgdivU8wSBvTQrPrb9eZ6Bu N/yFJDLZPCbWDIRpReAiUXi8T8oJf+88xIVG6XHcsOAILfFbPYsUm3f41qBxAQR+aUhdxE fu1/984Hupj/mItqxaHfVnaDDMFQUTjY74RiVtvKlJ5LXCte/ybjKwB6jjz+Dy78ke1DwB wCpU/jjMswVNdgQgI48swNP/L4vsa5W6RKsCShWLnniyxNuZo3Z2uQlQytBsAA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1765191986; a=rsa-sha256; cv=none; b=bSJVXLd0Mz0fSYdmuWjXyBI1djQFzFwRZrkYvqiQqCc6i/Ib/+qn0JMQz4ORnAYd7H1KZ8 N30rQtA6xr1bf68T2SOmkOy3wDhJWcRQ/A85OLyfTV3yOcYtHN0UcMxelm1q0nGAneE9t3 5icbeA87FIeJT8XGwCkpJuqo+1LmvaAB4Kqdg0dRwccKTSqmQM5/Znb9aJ+qBq4Hweyfih 7s93q+WjLzxoUAJ7kH0QkMRVplvxw/1l90pA+CoMq+UvJyO4ElEIgyp5c1LX/hQKP7VZrL T0AX8wl9eTAnLK5ERsYkCKz1FhMOeF5DuZ+ZB4XVKpce1edY72Wz2rLMAc/hzA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4dPzgj6Prfz1NHT for ; Mon, 08 Dec 2025 11:06:25 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 5B8B6POU040895 for ; Mon, 8 Dec 2025 11:06:25 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5B8B6PkO040894 for net@FreeBSD.org; Mon, 8 Dec 2025 11:06:25 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 291420] [epair] Bad UDP packet checksum with epair(4) and txcsum enabled Date: Mon, 08 Dec 2025 11:06:25 +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: 14.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dmitryluhtionov@gmail.com 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-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated 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 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D291420 --- Comment #7 from Dmitry Lukhtionov --- I searched my update history. Previous version on host and jail machine - 14.3-STABLE from 2025-08-22 I have one more jail with epair on this host machine ``` bridge1: flags=3D1008843 m= etric 0 mtu 1500 options=3D0 ether 58:9c:fc:10:ff:ca id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0 member: epair1a flags=3D143 ifmaxaddr 0 port 19 priority 128 path cost 2000 member: epair0a flags=3D143 ifmaxaddr 0 port 17 priority 128 path cost 2000 member: bge1 flags=3D143 ifmaxaddr 0 port 2 priority 128 path cost 55 groups: bridge epair0a: flags=3D1008943 metric 0 mtu 1500 options=3D200009 ether 02:15:ec:28:01:0a groups: epair media: Ethernet 10Gbase-T (10Gbase-T ) status: active ``` Iside jail ``` epair0b: flags=3D1008843 m= etric 0 mtu 1500 options=3D20000b ether 02:15:ec:28:01:0b inet 193.34.20.6 netmask 0xfffffff0 broadcast 193.34.20.15 groups: epair media: Ethernet 10Gbase-T (10Gbase-T ) status: active nd6 options=3D29 root@unbound:/ # drill i.ua @193.34.20.6 ;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 56983 ;; flags: qr rd ra ; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0=20 ;; QUESTION SECTION: ;; i.ua. IN A ;; ANSWER SECTION: i.ua. 149 IN A 104.18.3.81 i.ua. 149 IN A 104.18.2.81 ;; AUTHORITY SECTION: ;; ADDITIONAL SECTION: ;; Query time: 0 msec ;; SERVER: 193.34.20.6 ;; WHEN: Mon Dec 8 13:03:44 2025 ;; MSG SIZE rcvd: 54 ``` BUT ''' root@unbound:/ # ping 193.34.20.5 PING 193.34.20.5 (193.34.20.5): 56 data bytes ^C --- 193.34.20.5 ping statistics --- 3 packets transmitted, 0 packets received, 100.0% packet loss root@unbound:/ # ping 193.34.20.4 PING 193.34.20.4 (193.34.20.4): 56 data bytes 64 bytes from 193.34.20.4: icmp_seq=3D0 ttl=3D64 time=3D0.410 ms 64 bytes from 193.34.20.4: icmp_seq=3D1 ttl=3D64 time=3D0.388 ms ^C --- 193.34.20.4 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev =3D 0.388/0.399/0.410/0.011 ms root@unbound:/ # ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8): 56 data bytes 64 bytes from 8.8.8.8: icmp_seq=3D0 ttl=3D120 time=3D24.884 ms 64 bytes from 8.8.8.8: icmp_seq=3D1 ttl=3D120 time=3D24.976 ms ^C --- 8.8.8.8 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev =3D 24.884/24.930/24.976/0.046 ms root@unbound:/ # arp -an ? (193.34.20.5) at c4:34:6b:b8:e4:39 on epair0b expires in 1192 seconds [ethernet] ? (193.34.20.4) at 94:57:a5:55:a2:21 on epair0b expires in 996 seconds [ethernet] ? (193.34.20.8) at 02:ef:5d:1e:0d:0b on epair0b expires in 793 seconds [ethernet] ''' --=20 You are receiving this mail because: You are the assignee for the bug.=