From nobody Wed Aug 5 14:04:25 2026 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 4hFXGL2gq0z6nKbN for ; Wed, 05 Aug 2026 14:04:26 +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 "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hFXGL1lmRz3kb8 for ; Wed, 05 Aug 2026 14:04:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785938666; 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=T4u99j/zmBzGDAbhBRgr2jCryrtGF+aPzlXdhmsDOzs=; b=xl5tcWe1SbK7a+OesHans7nZRNcPesqjr3f2vE+1BnkSwe41z5t4HaQWu8QiQszyYopJZ0 0f4aoOLFzuVHkAl8rwm1ZI7C4AfbPk1H/EQUlpKLS/dF6dtghX8NLIy91Raq8qgfKX0KKy 4V6bmYnSUbvspyL5OgGguy3Cv9cdRtt6pGvUmhTPV+zbf2TjTB/nqtyPjoVX+e0tkeXnMC vC2AiSqAGzo4tXEP5tAlgNXWymzYfTUQ8b+IkOBSyPK4ju0YDBM2MH+wy9YS51wErX+K50 lA5sQGtrHRRFaQt1lSNaDeINUQnhTAkS1Kae0la/QNoxTyb1aC/S1xSPzzMJSQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1785938666; a=rsa-sha256; cv=none; b=o5xEl0FbyMcPdn3JrhSPayIY3BOLht5Rrvlppbp8N7bJ73VUo0PNjgCd6sGI835kMpCYCZ aY41XhOabC0sElZwcHMelyYlkhT2pgN/Rp5ifJZHD0PDEgrtIDFw+Isvp2P716FYPHcFMy 1lb4iuQa7Ryfk2METmL5JyINmp6nJhH1Rm9Nkqyh6Itq8BXp63LlbXjUub1u2HJdCSaqRo b5XFbuv4BrzNZlXHW3wPXUUh4n864OmylREMK8ivdYkNC0bB3UX8xpun/IGzZzHFSxT7cH Y7ilUfQt+xaPNIvPR9JTPdV1KjlRxfjNcz42/vth27dvuY+DdJoevZiSQShJMA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785938666; 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=T4u99j/zmBzGDAbhBRgr2jCryrtGF+aPzlXdhmsDOzs=; b=WGC+Xgg3vdq4yrBqxDydPpKNIWbhKzPXJgXV6BqcIKhxHsdv9b6FkcVJTkwDyLNUOa0w4P 3o5fO82Stdevee9vLi7ao3bN3I5ILXqNGQOQmUFEL501UtKX9LftzC7bdIRlVsZY8a/Wmc 4Yyj3yqsoiIA8XaQG9lelVOOMKT5iI5XEsDv3e1RzfZTWjRrHSNkDJGuNtiOlOw1NOb9+M N/Pbw2L9rNNV+zA4jiMXDAC01GpsXfAcaCpfGmcXBaPcN9G5yRtFf+KfMXrSz8yHu7EBzP dXYlNMxF++9+UKX3sZv0EfbjeEzinLq1Hv4OML5IrxePb74DCXA+VNkACuE1Hw== 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 4hFXGL0g7nzdMc for ; Wed, 05 Aug 2026 14:04:26 +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 675E4Qjr045287 for ; Wed, 5 Aug 2026 14:04:26 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 675E4QQO045286 for net@FreeBSD.org; Wed, 5 Aug 2026 14:04:26 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 193246] Bug in IPv6 multicast join(), uncovered by Jenkins Date: Wed, 05 Aug 2026 14:04:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: bms@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: bms@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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D193246 --- Comment #31 from Bruce M Simpson --- That's going to be a tad harder for me to track down. I'll try to spare cyc= les for this, we need to get it killed off because the issue is over a decade o= ld now, but there is other stuff to land, and other FreeBSD related projects I must instigate. Java is enough to obscure some of what's going on. truss doesn't really rep= ort much that is useful in relation to setsockopt(), and ktrace will show the c= all, but not the sockopt. And of course that gets further obfuscated by the fact that the need to support this forces a sockopt to be mutated in-kernel post-facto. I'm "on the hook" so to speak for the Kyua test Gleb wanted, the mtest extension will exercise the path manually, so please do try with that, as i= t's unclear from this output exactly which syscall returned EINVAL. The mtest c= ode is about as simple as one can get. I seem to remember syncthing had issues = in this area It is probably expecting too much for the conceptual originator of the chan= ge to come forward and upstream that which could have been upstreamed over a decade ago when I was busy with other more pressing matters. It is also disappointing that the JDK backed out the very code preceding the introduction of a "de facto" vs "de jure" feature that the IETF never ratif= ied which would have supported FreeBSD's discrete IPv4/IPv6 stacks in its prior form. --=20 You are receiving this mail because: You are on the CC list for the bug.=