From nobody Sat Sep 27 14:02:14 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 4cYpzp2ph3z69Mqy; Sat, 27 Sep 2025 14:02:14 +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 4cYpzp1bc8z3scs; Sat, 27 Sep 2025 14:02:14 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758981734; 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=+WtHzH5KC5gCjzcz7rI1mk2mSXVNLf2729hdy7Q58fQ=; b=GTh+Cqzvcf7L/vxRGsSz8782C25xIiRCcX8gt+ii7jjIAYiCcZY4u+aqbAmuPGhHDk+DZm +JHsdE5yUpSl7Jl/+idj591fvIBV9mf5rzQicUgP1rfcOfFnKn9MLMuhe8Ib6+jjePThSy RUsSlhGq8inEZi4hetTK1s7P9vaFWeTz2AC7PiR7fdkv0y/y6JG5gvaT/uxpnzEg+Zb1wM 4jOeRACvgB7ZvKGB6HcQDtgiElIRMbOdPYc5ruQJlgXk3Hy2WOYllgLhF7nv7X80WYRTuD qS6mdyPO40uBrLY0aN1O5fF3N3+XLIzpUV1xr1T0TSGHl25KBtiq9z/O/Y6X5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1758981734; 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=+WtHzH5KC5gCjzcz7rI1mk2mSXVNLf2729hdy7Q58fQ=; b=xYtDNAp+/k0oOHzkYfld5OX2JpF+b0nX1aSZZma/l9pj3DCCEZk9Ic2hWttBimdMbZLmtf A8jazHbeoRkzFZni5c8QdlUfulctDBfzxbq7ozoWcRjE/KKm85EivtHYbppZsioIcQBVAV LOH0avYb0A8ADdOxdkmnc7g1cuWF2OW+tkrEaSFeE6/fCaT+CYgsrwYCw6skQ1e+6GQ2dP jyvlEsDXIlWO7R5r2ak2xhh3Tk/TF5HNdkcLP/4J9vVjzEYssg637ngUAyGoX2wVzRjl4x 7Cnw/ZvWZFrXFx29rTXS90/G3CYoP4h5wz0NjYuswhfjc5WOdfKG0Q+BhTDyzg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1758981734; a=rsa-sha256; cv=none; b=bk/bkS8QA6wCRcRsuFp3AcORFmSeZ0yeGm2ZtF55NRQ4kymVeCxGoLbUcHrRHstw1MFeOU E8ON18vP3DbAxQ+0bp0NuzEWn27lqwBlzLADl9dzFKOZYGJKGLyAnhgTe7//3PaqA9n5Ut AIUiQRZACUhZXERfpm+pydxAutYOvxZ+0bGfsIB0oYc1DX5prx/JBxv3X9auWYX2jzZqmz sQ9evPR3Dn9LEsYCby2SKmDphVjo0s7r5PXG4a/dQ6qO7/6UHt1FPhXm8nC3oDRGyFd1K2 0CiSHIXK5IFAnMIeq9zUOyvIX5GXOHIiVdoCxj393pFtrw2fEfc38+GLFZBwDg== 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 4cYpzp1BYzzdLB; Sat, 27 Sep 2025 14:02:14 +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 58RE2EiI049456; Sat, 27 Sep 2025 14:02:14 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 58RE2E7b049453; Sat, 27 Sep 2025 14:02:14 GMT (envelope-from git) Date: Sat, 27 Sep 2025 14:02:14 GMT Message-Id: <202509271402.58RE2E7b049453@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Zhenlei Huang Subject: git: fa30199a3dbf - stable/15 - 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/stable/15 X-Git-Reftype: branch X-Git-Commit: fa30199a3dbfe1d4994e7e4e63ad9c582c6f8a1a Auto-Submitted: auto-generated The branch stable/15 has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=fa30199a3dbfe1d4994e7e4e63ad9c582c6f8a1a commit fa30199a3dbfe1d4994e7e4e63ad9c582c6f8a1a Author: Zhenlei Huang AuthorDate: 2025-09-24 01:16:13 +0000 Commit: Zhenlei Huang CommitDate: 2025-09-27 14:00:56 +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 (cherry picked from commit 33ceb31e256e386da5a42cc7ca2ef8d4b81b6eda) --- 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");