From nobody Mon Aug 17 12:10:15 2026 X-Original-To: dev-commits-src-branches@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 4hNs9354jvz6pC3k for ; Mon, 17 Aug 2026 12:10:15 +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 "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hNs9334vfz3Dvb for ; Mon, 17 Aug 2026 12:10:15 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786968615; 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=sSh0/glExlvS4OQ7YdNMbXzGsltB0vTjAO4dNPmQpoM=; b=g+wUg7pMegxxl2sucfqglPEIIURvrKMhSvnr1NCvGP4lQhEKXR3hA+a0OcsP7ZODJrSTJN f8fC4EonyEDGT9nwdAONa6b3ygpdEDKmM8iYQDSzHwFbU3TEPFoh8/Evu7Az+u5Jndb9CF DCcspdyKvx1uItVZcBmmAK2/ZqYo613uWapUJU+0/s3pIpc4AAKhkp4qz7jL9UaYIpWec6 ZDE6dmV1MV9hsVKwhObhodBUnzqqsw4BkEZHcpU7Of3kQO9zx2b6QvmWoKOE0PVTdxvtZL CcmiEo+0vUSKdrSuMlegc7H9bxr08pTWqa5JsTdB2bTD6GMacCY77V0zah759A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1786968615; a=rsa-sha256; cv=none; b=hR1nezqN9W+RJynZiTxKz++X+fm34glvgtM17VHwXMmS/uTI09dKqmO7sg31plhlGU/znb V39H0Gx4OTTmB73hfNSxh7K4i2F8TWAWE/Hlyt19zc0coUbtx8q8mqBCv9tdRjsJxI45Qv 539Maj3ZXIGoK30mnkEacLGF4XbNM3Qmo2lxqWJWc9CSNLsm7Po+8JVTJeMUJ8sQIWplp+ I5XdfsVatEormGCrDXte1adCo1j0SjmPNhnkT7JmtrHeqGOF+zBW1PhIiApoqvCOwYoluW mOh4jI57DSRCokjwSZnFJCBZH6/Ox5eqhnaa163wWQBP91ZXUkpFobN7sfuTJQ== 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=1786968615; 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=sSh0/glExlvS4OQ7YdNMbXzGsltB0vTjAO4dNPmQpoM=; b=aLzBXhL2XoRf8WyfId29ARDUJIrr1G/eOj/q2Xl6Sh+MBqJpIexbMqtaBVVZ1cgfkhCzOK 1Lp3ecRHad1UuyB8e1P40tDTVWDQ49yZA0bGHq+6OwZFGsFTEJNibhMSDZ9/wTEceGorFv QYVqejBS/HQKzdCkoQIMTcCsnycSBCnCKRV2ZKQpkX5lcr2EED33fCsQxy8b/+EJaSYxI1 q+Lr+OK6UxbSjlnbVK5TSxeInVRzr5QOtKS4d5VexCUoVJgh6rTTaPLl3nefU+wnqreOH6 R174L3iHWsgXL4/uR+q5ZVlBkud4Oe+uxQXua9MvflOZSLTkcbuOUrpzDgwHLQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hNs931jRdz1Ck0 for ; Mon, 17 Aug 2026 12:10:15 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3c686 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 17 Aug 2026 12:10:15 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: baa7ab7f484b - stable/15 - ip_mroute: Don't assume that a multicast router is running List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@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/stable/15 X-Git-Reftype: branch X-Git-Commit: baa7ab7f484bb8895d42900c74bc63d5e92e0266 Auto-Submitted: auto-generated Date: Mon, 17 Aug 2026 12:10:15 +0000 Message-Id: <6a82fa27.3c686.5950f15a@gitrepo.freebsd.org> The branch stable/15 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=baa7ab7f484bb8895d42900c74bc63d5e92e0266 commit baa7ab7f484bb8895d42900c74bc63d5e92e0266 Author: Mark Johnston AuthorDate: 2026-08-03 20:44:14 +0000 Commit: Mark Johnston CommitDate: 2026-08-17 12:07:40 +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 (cherry picked from commit 1c0d2f0b1a98526e4f1f5a051ce6904b4c3164e1) --- 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 18d26735e339..96bc86bbac08 100644 --- a/sys/netinet/ip_mroute.c +++ b/sys/netinet/ip_mroute.c @@ -384,6 +384,8 @@ 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) &&