From nobody Mon Feb 9 20:29:16 2026 X-Original-To: dev-commits-src-all@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 4f8xB44Rrcz6Ry55 for ; Mon, 09 Feb 2026 20:29:16 +0000 (UTC) (envelope-from git@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 "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4f8xB43QvGz3T38 for ; Mon, 09 Feb 2026 20:29:16 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1770668956; 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; bh=50E7IVS1/IIIsM7B/rVJOMnbKYU6m5urdaZk4mk1zv4=; b=jxuOgdD3uLQK1gowGaDu86tL5+JC6tXgyidfHDpnWUqTsLN8qNAamYuxmiwo4P1xgLYe15 g7byNQwLjok5PNwilWTFBJaUEVS3IG68l0jFkcZ5bfzstxVusP6vJr7g9VdC0Jz86AIbrV QLcBZEvcE4rjUw6oxBsoMZbmEB48hIDMF+iLOD+q9WYAJkESe+yfl7wTmzH2HQygvH93v5 hPPy1g+AXQa3lyL7Fha1j/CHnFFy04z8JmBzarnbgUqIqPcSkI/uaaVKWalcGS7nULwaKR q6hvCbDTY5qIHgb7HWBOyVqCqNlsSv0tE3seuqXVE/ZIQ1oTR2aVl12TuyZfow== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1770668956; a=rsa-sha256; cv=none; b=HmZaTCS+GDcdyiwIExW3KHk0knhCK1a3mnYQELCb/032ESvpzONx4Elo0UBmoPTHXJdW6B LbkvGCxJ57sZzKH2lgGUc6XMnzSNsTA0tLuH5R2D/7/p0j63tTL69pxZ1hnJj8P1mmZDFM QYXVG0/UVLpd8ewGd0XCfAN7GdAoOKFIVejkr9q0CtbRUpri4l+PyD39FLlsg7J7x2OhDe CyLdzEmNmJrO1mLTgm3kFT9g+oUNfJpkWR+itR50wapVQyVWghSrTM/d6vWUhPJmUnHbgk yS4vkBO2JJyjzENkDInSMBS92jBWz7nOLpUJzGszyFCOtbBY0zKvsKrW6req8A== 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=1770668956; 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; bh=50E7IVS1/IIIsM7B/rVJOMnbKYU6m5urdaZk4mk1zv4=; b=mjnQTBNBQqnkMkdMDoGJVtlkKK0j3uP0cG7iH/cz2IkPL4nBoc3HMbtZcsMPwettdscSzf fpaLQ/ZltQ5IarkB1ab9qrgbv2ffDn5Cj6SpgLXghSniwL3VPWjMC0uwYAxJqUyNtdmXqN Zv2xEIYy/lhmGC4Txl07k2ctkx0V2+pVUnkblzL+a+JVwJXOJ3vjSh3AGppLe1gz24bBse HTlx5dM+zUaMU1t/CsRSY5orTAze7aj5xRs+STXWFudeHLs2JaQFMCK0EMbCptVP5Xb6oR OJZ3EMsuPEjU1uqCXUkjrivy5bwHOYvoOjwTHlE3JGQ1JczWRzmGROOuG5+Kzw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4f8xB42RdjzpJd for ; Mon, 09 Feb 2026 20:29:16 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3e329 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 09 Feb 2026 20:29:16 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Guido Falsi Subject: git: a2eb0894b79b - main - sys/netinet6: switch net.inet6.ip6.use_stableaddr to on by default List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: madpilot X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: a2eb0894b79bd0241e51c6888a52bea369ae8a6a Auto-Submitted: auto-generated Date: Mon, 09 Feb 2026 20:29:16 +0000 Message-Id: <698a439c.3e329.5d619acd@gitrepo.freebsd.org> The branch main has been updated by madpilot: URL: https://cgit.FreeBSD.org/src/commit/?id=a2eb0894b79bd0241e51c6888a52bea369ae8a6a commit a2eb0894b79bd0241e51c6888a52bea369ae8a6a Author: Guido Falsi AuthorDate: 2026-02-09 20:27:15 +0000 Commit: Guido Falsi CommitDate: 2026-02-09 20:27:15 +0000 sys/netinet6: switch net.inet6.ip6.use_stableaddr to on by default This change switches to using RFC 7217 algorithm as the default to generate SLAAC addresses for IPv6 interfaces configured with accept_rtadv. Reviewed by: pouria, glebius, zlei Approved by: zlei Relnotes: yes Differential Revision: https://reviews.freebsd.org/D55138 --- UPDATING | 9 +++++++++ sys/netinet6/nd6_rtr.c | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/UPDATING b/UPDATING index 5029bf086bdd..d4a6e486aed0 100644 --- a/UPDATING +++ b/UPDATING @@ -27,6 +27,15 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 16.x IS SLOW: world, or to merely disable the most expensive debugging functionality at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".) +20260129: + The "net.inet6.ip6.use_stableaddr" sysctl is now on by default. + This changes the default algorithm to choose IPv6 SLAAC autogenerated + addresses from embedding the interface hardware address to using + SHA256-HMAC hash as described in RFC 7217 to derive an opaque but + stable Address. If you are using autoconfigured IPv6 addresses at + reboot they will be different after this change, but constant + thereafter, please update your DNS records if any. + 20260106: Zstd has moved to the new "zstd" package. If you have set-minimal installed, this package will be installed automatically, otherwise diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c index 0ca97125110c..8f557ba77af5 100644 --- a/sys/netinet6/nd6_rtr.c +++ b/sys/netinet6/nd6_rtr.c @@ -95,7 +95,7 @@ VNET_DEFINE(int, nd6_defifindex); #define V_nd6_defifp VNET(nd6_defifp) VNET_DEFINE(int, ip6_use_tempaddr) = 0; -VNET_DEFINE(bool, ip6_use_stableaddr) = 0; +VNET_DEFINE(bool, ip6_use_stableaddr) = 1; VNET_DEFINE(int, ip6_desync_factor); VNET_DEFINE(uint32_t, ip6_temp_max_desync_factor) = TEMP_MAX_DESYNC_FACTOR_BASE;