From nobody Wed Feb 18 01:53:04 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 4fG0011Bj1z6SSfr for ; Wed, 18 Feb 2026 01:53:05 +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 4fG0006sljz3Qcm for ; Wed, 18 Feb 2026 01:53:04 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1771379585; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=5CKebPqMaIWXlfYdoN+r120DYmBZTL4LGH/UXQFg6u8=; b=f8BRuSEDetjiOZjk7byb8ksymOMLGYbXg/jC67qfBft9FnxVQgOdxU8Bl3ciAXfBSMD55N RKx0g2TXaq1yENFGkDghE7pSc/andX0aPZ1e+7HguLVmb+qO/9tnzkRYvUiEqk/9sNRoLg SlNtogG+QNlmzvZV3EcuHrzuaAue6Zur85sUTkUo0YTRv21vDJO6tTF4Oky+vf6TzgQ2+8 ZNRXJ/NLp74jO76q3+1hKnSYJfY3pim5nQGXmgolX5RF1Umn+aYJCd9I7FGX3Rbkd957Zj r+h0pHsFDgwvKvKFt2Fsrn6B76a6e8ctw4e8K8f4quV03tTUAGodlUqn9+awUw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1771379585; a=rsa-sha256; cv=none; b=Sj+Ar5KZovR3AUnsvAsrn/z8rX3GmITqxBb5BAfWq++U79NbFJ7g16ExZSvZw/wuVkw50a E2vmLLgeFOStF0vxUVFAQCQZ1YGg7vF3tjfLfzqA+aHAGLXnI/ZlxlsFvU+/lW3QVqOzfu sowHDitfq8dHNKnli81QcEjRNihyqWa8l7B5tKZBilcldkTzJo/PpT5hDAvHJ0uLGURNTf ddfHw8yIxrTeFIhD/fWb7fGtDaHM/bTmjl9GIhaGEZO/Sr/c9P5PPLQ8zuQU61uswcn1wp GmcpX6zep9Gs+407HnZQkIEVYxKQH6hh0C2o1a/eaXJaDdu3RDhghLDIuWGdLA== 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=1771379585; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=5CKebPqMaIWXlfYdoN+r120DYmBZTL4LGH/UXQFg6u8=; b=Q+ckZx85SVWsHd5/gc35KU9Rya2IbxqUuUxhmr/2Ywwy1KJoyezR/CmaMNngIsfP+n0Cj+ 5v3VaK2jyTkx3TDzkDHckBNoCrLQ9uYjyOpvJk+TrCFXmVcUoQFzlyFuolrWwVMCotpwZb Tf727OK2s045bz00V/RipEZ9u31p9KDulmakQ5WqwuylRSlV8uiSNuLUfp9eiqL7vnaKiL 1H88BGCAzA3Q66sPMz5JQFkOPwBbb6gZkRev52mc2aC7fZ092G12Q6xRB1Md8uuneOlmU0 tGVl+MpjOUJFqoR6Sdx/bP0iQ2BP9bo0XRNtcdNkgzfjsRlh2ziwMyCx/OFjKw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fG0006HryzcTK for ; Wed, 18 Feb 2026 01:53:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 47603 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 18 Feb 2026 01:53:04 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Konstantin Belousov From: Colin Percival Subject: git: 0235e9e56947 - releng/14.4 - unmount(2): do not allow MNT_DEFERRED or MNT_RECURSE flags from userspace 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 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/releng/14.4 X-Git-Reftype: branch X-Git-Commit: 0235e9e56947c5419e2bef7562c2b7221b82c90f Auto-Submitted: auto-generated Date: Wed, 18 Feb 2026 01:53:04 +0000 Message-Id: <69951b80.47603.c893970@gitrepo.freebsd.org> The branch releng/14.4 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=0235e9e56947c5419e2bef7562c2b7221b82c90f commit 0235e9e56947c5419e2bef7562c2b7221b82c90f Author: Konstantin Belousov AuthorDate: 2026-02-02 22:38:32 +0000 Commit: Colin Percival CommitDate: 2026-02-18 01:47:16 +0000 unmount(2): do not allow MNT_DEFERRED or MNT_RECURSE flags from userspace (cherry picked from commit cd8d44173adc375b59a24b1363476c086a7c86b4) (cherry picked from commit a893e8463ab2741204debd17901539708ec3a970) --- sys/kern/vfs_mount.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/kern/vfs_mount.c b/sys/kern/vfs_mount.c index 85d14a943d01..5ca7c43269ce 100644 --- a/sys/kern/vfs_mount.c +++ b/sys/kern/vfs_mount.c @@ -1733,6 +1733,8 @@ kern_unmount(struct thread *td, const char *path, int flags) int error; AUDIT_ARG_VALUE(flags); + if ((flags & (MNT_DEFERRED | MNT_RECURSE)) != 0) + return (EINVAL); if (jailed(td->td_ucred) || usermount == 0) { error = priv_check(td, PRIV_VFS_UNMOUNT); if (error)