From nobody Wed Sep 24 01:17:14 2025 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 4cWf8V53hpz68F61; Wed, 24 Sep 2025 01:17:14 +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" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cWf8V4QKgz49jC; Wed, 24 Sep 2025 01:17:14 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758676634; 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=93V5AJN9ybYNR2SIr8SK5Jsrorc39OdFW6gwe0vaI1E=; b=YA9ggLvLCoNNEpFuN9aY5cWZ7sR1UOyYWRFnBAlLW9So64lXNoGtoCTyCgWeCBaqKKnDPg LetktQk5m60Yjo0PINhoTjSjC2DDOw29hfPTCDsMtolnT6Lfl48ne6FA+vwUfE70fNbQaf fLvCKG24bxyCv6a7Ddjsb82CaqN9SNG9SMnLZ3igAoJ5Js/+OwnvCe9shDo56Zz+MVd0Dz 8OHrf+J9mRDlAQA+WZb3j3sJi819NQOfQvo4hfpFzCxmXAmo9auS/PSFj65uxMdwvIqppY U/et4qTLDYTzjQKTIUdr0oz1awwSmW6vcYmcKYmL126NFn1MaFybqAoJ/eo2WQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758676634; 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=93V5AJN9ybYNR2SIr8SK5Jsrorc39OdFW6gwe0vaI1E=; b=Z2hGfD7jk1ltk2boCZb1L+08n4LoBupVSvCZNmAoxp+sSCbjCWjHR0fraVO4lGFEqYkLSc FRwEPzCTpLU0T8x5Zcdt8XxnIWE9zj6DCSao87kwnELR9p93KY6pAh2S+HImrR5QzMgr5i S7WqM7bvgs0CAHY5srR23LQhwQx88tpCjdddjKTCwJNMwYY83qUmz3f14+sqlRAE82icfW kl4iN3pVUMg+ntwFOHPOVGFaGWwYi1OtOKHRNHww0TfnCzsKPr55vpL4ohWAIpxYezNaqm MQ3/lyiULA5co8+4CIV2oFVWZZEddFXsfAOgiD2lL1LOATuJKmIkMxlOHdAhaQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758676634; a=rsa-sha256; cv=none; b=xaX0N+TItspShjaMUsLBPqFLYkQO7GHPKPdFccNkmESEryn38bWv23B7Nt7T526Z/Gk3qQ Bz2/dQQX++JKw637OaECOfHYL4l4LICWSNKdXHCvnhHBGWWyZUZvXYwbv/TJDTp25YhLEp Egg5QbCL/NqtSn0APeyb4/XkJtXhXSj5Waw1JTuR3RIPY/cnWQDG1tHzhczI80u4tjmTRC +ZqZG+tZb9Nw9Evh5kzzP6JM65OrNIpvt9lg/Dl3fr6w2+I8ED9GRT4+HQmQ6ybfXqYCmi jnL4zRDDATQ5db7M/k3hp0jlznVdelMR5XcLYh+GYtolZ8Unj0LPEobPYukBxA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cWf8V3jzVz18N3; Wed, 24 Sep 2025 01:17:14 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 58O1HEG1098995; Wed, 24 Sep 2025 01:17:14 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 58O1HEkD098991; Wed, 24 Sep 2025 01:17:14 GMT (envelope-from git) Date: Wed, 24 Sep 2025 01:17:14 GMT Message-Id: <202509240117.58O1HEkD098991@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Zhenlei Huang Subject: git: 33ceb31e256e - main - tcp: Fix expiring and purging hostcache entries of vnet jails 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: zlei X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 33ceb31e256e386da5a42cc7ca2ef8d4b81b6eda Auto-Submitted: auto-generated The branch main has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=33ceb31e256e386da5a42cc7ca2ef8d4b81b6eda commit 33ceb31e256e386da5a42cc7ca2ef8d4b81b6eda Author: Zhenlei Huang AuthorDate: 2025-09-24 01:16:13 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-24 01:16:13 +0000 tcp: Fix expiring and purging hostcache entries of vnet jails A jailed process, `sysctl -j foo` or `jexec foo sysctl`, do not have privilege to write to non-vnet sysctls but only to those marked as jail writable, aka sysctls those marked with CTLFLAG_VNET flag. Without this change we will get EPERM when trying to expire and purge hostcache entries of vnet jails via the net.inet.tcp.hostcache.purgenow sysctl. Fix that by adding a CTLFLAG_VNET flag. Reviewed by: tuexen, #transport, #network Fixes: 264563806496 Add a new sysctl net.inet.tcp.hostcache.purgenow=1 to expire ... MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D52692 --- sys/netinet/tcp_hostcache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netinet/tcp_hostcache.c b/sys/netinet/tcp_hostcache.c index dbc966acc56b..36a4f813d590 100644 --- a/sys/netinet/tcp_hostcache.c +++ b/sys/netinet/tcp_hostcache.c @@ -202,7 +202,7 @@ SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, histo, "Print a histogram of hostcache hashbucket utilization"); SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, purgenow, - CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, + CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, sysctl_tcp_hc_purgenow, "I", "Immediately purge all entries");