From nobody Fri Apr 17 12:43:06 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 4fxvgJ2567z6ZjDV for ; Fri, 17 Apr 2026 12:43:08 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fxvgH0wKBz4Jsr for ; Fri, 17 Apr 2026 12:43:07 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776429787; 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=LRoAa52Tj6zHYm+XC6x0h9AzpYbYT8ALaXPyCyA3Q8Y=; b=AxEW44brbomoDEntgY3CFDPiPbVwh/NkfJWo+oX9SGvEGeeYPPAwv97dMu/ea3MgsNu+hT V52Rz9VgLcGX61YkjJfVoYg27f5P0meur1kw4d730ZkZhxP6SCWpXH/WI7oNWSogYzRPLh +gRGB025HWR16FcuZYF8Zyx8eRmdQYumsR6s7u2KIZKfvB3KpjPczTR7VD8/PGNjVw+wI7 CzFRL+u1Ib6ooX8+7OBOUmSN+A7ZExUSebXb6MB9RX55kTLsuiDdAKlx1AT9Jq+9rrpBNN U5Rm4l5ZKJe+Z7MFGfDa0rtL0bPEzKlOoQ4TNnnexLJszKSR45aMQZKxgjwBHA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776429787; a=rsa-sha256; cv=none; b=UBFc9g7Srj0p6laTAurOks7Sb/qJoFq4EaLT/o9dahiO/MIW49Xie79xPS2TLgefcJ8mgE Q+4ZZELxr8FAbWR3iHd5ppPrTpXcWX52hnpvi38iORYz7wQeOp3OMauNZI/g9Ddw30St2B Be0qyBpMMnYasZQjW0AcAwIpzVwCU766CfOSPTNT05+fzcuWQhxYlQ/D9uAJmRqAT5AOZr UwWTwtodUR558JGF2It4dNAm7pzzSCT2Q65f+lxoIRUXIJHducfHj/I+4xab7mMgWkUP7H cUGox3XcvYWhofNvTep5SNMjXP2Jq5G6UTuSxj/YlQgc6zC+jmq3oPklfjH83A== 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=1776429787; 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=LRoAa52Tj6zHYm+XC6x0h9AzpYbYT8ALaXPyCyA3Q8Y=; b=Qy5R0Qc9QJ3KBC1X13PEyVXUGJPYPiJNpSRDNIiq8lVYPlCcSxd1A51bSyeU59Wscn7ear J0nQmkZ6VzBvUEHz50eZkDfIieDK2fTdhKYqDjn6E4wIds8cBWqdzMqoeCmhkqi7wK3XBJ 9fr95y+Epj9CY8F/OvEBPyEUB7Lxpt8pp1yyiXtKmi4nuiSyNaq2telGUQnKaDHVFGiiuF UACOmxBMZ4qXUNSaglB1naNe1OLbyRjHpA1Vnx90R2ZWEiVx1mqJy5WhxDSNnPHxsultsa gmvDsHXojj5yBusuO91KBykCFt0BooAcUkrkEg1RWWeb4M0cDbHhmz37/n3vlw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxvgH0X8sztwD for ; Fri, 17 Apr 2026 12:43:07 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3f835 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 17 Apr 2026 12:43:06 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: c1b514c88c76 - main - in_mcast: Avoid calling sysctl_wire_old_buffer() in an epoch section 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 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: c1b514c88c76a4de906775d47b06388e62ab6845 Auto-Submitted: auto-generated Date: Fri, 17 Apr 2026 12:43:06 +0000 Message-Id: <69e22ada.3f835.544104e5@gitrepo.freebsd.org> The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=c1b514c88c76a4de906775d47b06388e62ab6845 commit c1b514c88c76a4de906775d47b06388e62ab6845 Author: Mark Johnston AuthorDate: 2026-04-17 12:42:54 +0000 Commit: Mark Johnston CommitDate: 2026-04-17 12:42:54 +0000 in_mcast: Avoid calling sysctl_wire_old_buffer() in an epoch section Wiring a virtual address range may require the thread to sleep, and this is not permitted in an epoch section. MFC after: 1 week --- sys/netinet/in_mcast.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/sys/netinet/in_mcast.c b/sys/netinet/in_mcast.c index 9e93992f81e0..1e7985ac01d7 100644 --- a/sys/netinet/in_mcast.c +++ b/sys/netinet/in_mcast.c @@ -2853,6 +2853,11 @@ sysctl_ip_mcast_filters(SYSCTL_HANDLER_ARGS) return (EINVAL); } + retval = sysctl_wire_old_buffer(req, + sizeof(uint32_t) + (in_mcast_maxgrpsrc * sizeof(struct in_addr))); + if (retval) + return (retval); + ifindex = name[0]; NET_EPOCH_ENTER(et); ifp = ifnet_byindex(ifindex); @@ -2863,13 +2868,6 @@ sysctl_ip_mcast_filters(SYSCTL_HANDLER_ARGS) return (ENOENT); } - retval = sysctl_wire_old_buffer(req, - sizeof(uint32_t) + (in_mcast_maxgrpsrc * sizeof(struct in_addr))); - if (retval) { - NET_EPOCH_EXIT(et); - return (retval); - } - IN_MULTI_LIST_LOCK(); CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {