From nobody Mon Aug 3 21:07:38 2026 X-Original-To: dev-commits-src-main@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 4hDTlZ5xScz6n1KX for ; Mon, 03 Aug 2026 21:07:38 +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 4hDTlZ5PSFz4NnS for ; Mon, 03 Aug 2026 21:07:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785791258; 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=Py0vU+nXMU4FFUkaBV4FRSZ4Q+fxDxS1AAatbYkLK5I=; b=vurNC8UhJ9kQ6/wrjPp2aAcM1dpMOn49pChIHrSuRfoqun1k0nXZjjqPe1B1FK5NW6AqhU yNv5m/hQk6y8niGlcyNJaXyn2zRmt0uoZTZu0pIGD2yGIFIhUiCauqnret5lgh0e3Ya7sN MmVG5LzXVM6a9Ru1DP5tEuWHiBqV2XApTWTsk/JJvLQhP8DBGSheuHfamcxauDp4R+8OS7 aqhDrMGy0/d+ZomhngeIXpD2UcTB179tgsUbdC+ArcGb/yCu4Ex9jd1teJeuPWAF5xrIgl ZSfAGMzoPve4NPQ1zp+H74w2i4+5343wjua3Oyc2+EvCUdflzlZC1/WetqvWCA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1785791258; a=rsa-sha256; cv=none; b=GUDJ6ND0e2Hu9cf/1Am0ODgeJ3grREWOatJkbJIaGOuSgfDYYkmmxboXnH1rLjOeNSN6qB 3hOM9BEAqu2O3toYunrQVtFi3NCOACxWhCGWMdLBXJh6VeDFpLPxBsPruroba4pusKw4mX iwB7YeuDBu7KAiUrBI1vl7JFYRfzzQHvMQmaWfzSIn7EqDBAxgMhAf78TutVl5vm1kMy6T q0gJ4WyZnr2iWjBzsVm/YeyMV5Z9M+ahs9gktYNkFuOqK7brlYsDSI90LGYjTz1xd2hq+I h0yxxQVBdw0OyVbjBcU3dCyePjKkJtivRdO7OArMesA1F5M3TKbQbTiazwD+Nw== 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=1785791258; 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=Py0vU+nXMU4FFUkaBV4FRSZ4Q+fxDxS1AAatbYkLK5I=; b=h1jDHHjkIVxdZoAfsBGgMX+eUdijYKS4tqNh35bIWlBVa6cx8+aXONy93XrxGteJGOntfc JVFlxgJTdKqVhcD88xHqEIEBwTBn8+G1yHGnWD7CFTNeFzRdpWyzTga2AMox/nbSiO/UMf qmJzRevBJAZQeV2nR0Kvo5N1wb3lsawjRZ7dfLYv/+FQs+cj/qMAavM8hM1fHQ1xIZ6LbH YiKpmcBMJOP+SGRCvctpwu0Ja+slj1OlMyDjJlgYaoYiKMf7ydQXEpWr9Eu6nH2hWmu+TH mIOdNzqLZ7sg7oRFc/qsb2YLf8K3dl3eH1+wxYlrAlCpSuCjShz5GIBEmIaucg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hDTlZ4MXcz2nS for ; Mon, 03 Aug 2026 21:07:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 38726 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 03 Aug 2026 21:07:38 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: 1c0d2f0b1a98 - main - ip_mroute: Don't assume that a multicast router is running List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@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: 1c0d2f0b1a98526e4f1f5a051ce6904b4c3164e1 Auto-Submitted: auto-generated Date: Mon, 03 Aug 2026 21:07:38 +0000 Message-Id: <6a71031a.38726.67a84861@gitrepo.freebsd.org> The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=1c0d2f0b1a98526e4f1f5a051ce6904b4c3164e1 commit 1c0d2f0b1a98526e4f1f5a051ce6904b4c3164e1 Author: Mark Johnston AuthorDate: 2026-08-03 20:44:14 +0000 Commit: Mark Johnston CommitDate: 2026-08-03 20:50:14 +0000 ip_mroute: Don't assume that a multicast router is running The SIOCGETSGCNT handler may be invoked in this scenario, and if no router has initialized the lookup table, we'll have mfct->mfchashtbl == NULL. PR: 297148 Reported by: Robert Morris MFC after: 1 week Sponsored by: The FreeBSD Foundation --- sys/netinet/ip_mroute.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c index 14bd458b74f3..d18a9865f9bc 100644 --- a/sys/netinet/ip_mroute.c +++ b/sys/netinet/ip_mroute.c @@ -383,6 +383,8 @@ mfc_find(const struct mfctable *mfct, const struct in_addr *o, MRW_LOCK_ASSERT(); + if (mfct->mfchashtbl == NULL) + return (NULL); LIST_FOREACH(rt, &mfct->mfchashtbl[MFCHASH(*o, *g)], mfc_hash) { if (in_hosteq(rt->mfc_origin, *o) && in_hosteq(rt->mfc_mcastgrp, *g) &&