From nobody Wed Jul 29 13:46:25 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 4h9DBt6jflz6nGNV for ; Wed, 29 Jul 2026 13:46:30 +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 "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4h9DBt4xB4z44lV for ; Wed, 29 Jul 2026 13:46:30 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785332790; 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=fq/lAr6bMoY8J8SPaHkkxaVOWl/1ReuT08BZPvDruSQ=; b=hUJTzYpLQqoC7dtOxvMEJd5TLggf0CdABVagGRRM4xFw4p1LqDIEsGZ9oiGo9t2A2ifWM2 Cun2TVCv+mBnqdDHyQc9SM4MgXEBVW+8JS1GZX203eo3Kdqu0EVs4hOFdUSfJDKBoS9fr4 EI36O5nw9M6F+qun02QGkI7yyOVbCKzAHnVTHkPaj7LmyVYqKyjD3qOulI3zvwgKViraGB MRlB4+Q+nRQ5ZNEleZhZLPhUfX8EQN0ttLBCoUgcF9vpG3abzbLtO7T3gfV0vSN/XA2k5/ ZNR/taw9tC/EZeH2BtNFsiUkansO5mMTd2nS/agrMsK5WrOFQV/OmRjqWqdY/A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1785332790; a=rsa-sha256; cv=none; b=j/AeAG2J2T+xDa98R9Jntz+tdkSJuy97BzPpedqD9cPvawbsyXA72UMcR9R+/sfFq4lkyB VbMfyYo2AZMnFqkI9PEmUQj3NBPYp+TUdA1zq//FitdI1K2oyDE8J9G9c5TA7q7NVTh+0+ PyylvbBwKjfVK13NXa/KgeMfiavO19a4waKuOM9H/qtmaslI75CgEFly879A81+3q5TaRy hvm1BQUX5sBHk83z/3ChHKeGM16hxItsYEkhxKk7DAh6wI5GUF2hPlqzT0z+xEtd7HaKGs 9UmvyFQngzbIfa1/oQ/mjLzxN2hVVTkX6atdU+iWTQFQV9kJvwmDrtUm4M5FbQ== 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=1785332790; 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=fq/lAr6bMoY8J8SPaHkkxaVOWl/1ReuT08BZPvDruSQ=; b=lIKCjhXfoNPf5dPv9MbbzmjEie7e6icjqPkWeZ3HeSEWGjzXWmJObKzot5zSJFjGbvLtqx /LZmTodaW3Ktx9jh9WH5f1AtNgH6b8Lw6lzBDtXEYnaTO9TcJc9LKtxzvXDmNf8VxoGafN axFMqStTtJVnYH+uYQyOzB8NMs7+MNXfcPv0skifJJsa++R5LcaZUDjUPkbGAx7fpxoY9w 6nT5Daj2kDeBoyVfZKopdfgZ6dPMrOFffxv2nTKgBxDA2rAj77MGLTRqA6un5N7gCAKjIl Kj1tFDM8gYCkpyPcBZ5iWZ4ZE0tFFEeHZh6NZoCMjUQYOfB14u5RDwJz+U4meg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4h9DBt3Xt5zCvb for ; Wed, 29 Jul 2026 13:46:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 18b26 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 29 Jul 2026 13:46:25 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: 1d7b05142254 - main - netinet6: Handle unspecified foreign addresses in in6_pcbconnect() 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 1d7b0514225479ecbed8c4bc2258ce0356d20bc1 Auto-Submitted: auto-generated Date: Wed, 29 Jul 2026 13:46:25 +0000 Message-Id: <6a6a0431.18b26.12c03d11@gitrepo.freebsd.org> The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=1d7b0514225479ecbed8c4bc2258ce0356d20bc1 commit 1d7b0514225479ecbed8c4bc2258ce0356d20bc1 Author: Mark Johnston AuthorDate: 2026-07-29 13:14:21 +0000 Commit: Mark Johnston CommitDate: 2026-07-29 13:14:21 +0000 netinet6: Handle unspecified foreign addresses in in6_pcbconnect() Prior to commit 90ea8e89d9b751e8b5ae90ef3397883b035788e5, this was handled by calling in6_pcbladdr(). Reported by: syzkaller Reviewed by: pouria, glebius Fixes: 90ea8e89d9b7 ("netinet6: refactor in6_pcbconnect()") Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D58518 --- sys/netinet6/in6_pcb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c index 3af4c0a14468..ee11e535c227 100644 --- a/sys/netinet6/in6_pcb.c +++ b/sys/netinet6/in6_pcb.c @@ -396,10 +396,6 @@ in6_pcbladdr(struct inpcb *inp, struct sockaddr_in6 *sin6, if ((error = sa6_embedscope(sin6, V_ip6_use_defzone)) != 0) return(error); - /* RFC4291 section 2.5.2 */ - if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) - return (ENETUNREACH); - if ((error = prison_remote_ip6(inp->inp_cred, &sin6->sin6_addr)) != 0) return (error); @@ -465,6 +461,10 @@ in6_pcbconnect(struct inpcb *inp, struct sockaddr_in6 *sin6, struct ucred *cred, KASSERT(IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr), ("%s: inp is already connected", __func__)); + /* RFC4291 section 2.5.2 */ + if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) + return (ENETUNREACH); + anonport = (inp->inp_lport == 0); INP_HASH_WLOCK(pcbinfo);