From nobody Fri Apr 17 12:43:06 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 4fxvgN4CZxz6ZjNq for ; Fri, 17 Apr 2026 12:43:12 +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 4fxvgN0zS6z4K23 for ; Fri, 17 Apr 2026 12:43:12 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776429792; 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=fHnEck0dYvbt7nOXzsOZFxZuasMeqHxjQli4plH2F8Rri6IoEfjiYjTx3RCKOam7XbJoJ9 CKI5OuaMLowkaFykDcxi268LaYe62EL1/J4HgHZz/uG4WkjcLDdj8AG+T4ZBT20Kx6YLvD M/FBLrhTvKl2AGFtXjGaD0QY9UxSSqDWMsSqBVwh/ClFMAGTxgVpZRN96IutmM/2z7XDKT ALxEfXdhWQsUqpmgwtJj5HKdrU9v6gintUaguCkKuyERIGmXKgWfIXqOpkr4HjlVzh+AXI M6/2ya5T+91I6wTk1/EcPnnE0T20RTy9xsf2urAuflIAKq79qkQoq+2adqSd/w== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776429792; a=rsa-sha256; cv=none; b=dWYo3lpWf9CxFYyFAHHXwXkxRbZ6K4FsJy7NQDmHZ2nv+3G+0EeGpYaijnpNaoYMecsjTx 2OlsSrRqx85nDkYfptFYdRuLHX3vUOZoD/ypauvapMNZioKG8kkIkOBPD2x4Fu1DFttQmP 2U8Xh49w5LrEK7xCPgwZ6B38hzCeqF5UyHypZh+lqjcS2AtbbIYG4VdtSTLqo8x5bFb9Bk SWsAVXCZqoOoT/J/gHOoPqN00dfKmjbiafQ+VUZDzTObmSG+S3p+5ljtNjT3blFzKdfOib DAgumzBdwZ3FuIQUkLlVsDYDYLeVjqpV03ohIC753aAWiDYVPvN67wx1cRkWSg== 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=1776429792; 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=FRBLNEKG1r8jjeP99kPhYC75UMIawwai5RDIgwS1YmiDS62rxRh4evRoQky1MEqkj0LB17 2ItttTiAAYRbMxxxqLVZ6ec0F6sEyuRGfWTbqxe7QtaS7/vZ8Y/b/ehoSRRGHtsOb1GKp2 nhym0g3KR4qJfsEhQtmTX5j+TVXyYCiurw2ZWPZKOL0ccVPYYBS1eNXSh1iP7SzM3wmvub C2UWaCLEOyFlCZ+zQ2qIugXUqzNrG/Bk/iaJBmqh85LeZIBJfg7WjetZLmSY6p+hm/PQf4 htnTTzIevwJUwj46edgOI1aWQzLKjBLitY7lY8dMXySgN/EyXTDwMTpWJSnGGQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxvgN0VlnztwG for ; Fri, 17 Apr 2026 12:43:12 +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 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: 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) {