From nobody Mon Feb 16 06:23:04 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 4fDt4S5Y79z6SLl3 for ; Mon, 16 Feb 2026 06:23:04 +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 "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fDt4S38Q0z3QNR for ; Mon, 16 Feb 2026 06:23:04 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1771222984; 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=vcavDOOYCNc2FyfxPMt41U80+dwDqGPx8k5QCPemAkg=; b=xTWy7xvu4klzBYp7utGkjL6v5DLA1NJN21YPeUamSX35+qaFlkaeBm1cKuQiyE8Go9hQAd 8XcHuZa8VpXduIR5aH12+Ggtwdwtps3tHtXugmtRava1l/clSw0jpw713BC0WYd480Z8TH t1K3lPrBdSh6+LO4O+9PQ89RJUv8+qhwQlAHjCLLWNzC74zDbnnX2xinU4DvXWsBeMB0Xu +z8oXJ3+MJizH1Xix21NhgJvXhey42TOoChLrAquWIX7vZ6ZnX4sJDIias8EtjHkPrTbuG q95r+l0YEu5TpvznW2ENwTEvrVlNrOeqIfAWbWNy/+g4wVe0R4o7BVbBMZqXsA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1771222984; a=rsa-sha256; cv=none; b=V7DPPb48KcClSGk4OfmePzzhs8rnCFv5ozBusZal0Sn3UUVdQEjT458OxL/CpZwZ0mnSr6 QbUt874Z4HM4PNTE1BSJtiVicqU5l+narxgi8L9j3e/3+UMU0KRAyTdBOgIBNJCXQ2KYIp m+FvWw2unq9cvbvDoZEcqG7kMLxanyvDT3Fda0c2MZ/EipunYT1IJRmxjLQdIG81hDIiAj ejDXnLbk6Pkp0nmN0byfLdfj6qcCALRxqRcVYcm6oOZS6whLawJj+TguGb9gtrF7NOgG5X GRRVdEnx6XOKbRxcu7+5Q7tHAuVhqUtJqSMt3pSOzYu2XULSP/tVXp5iBQTnfg== 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=1771222984; 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=vcavDOOYCNc2FyfxPMt41U80+dwDqGPx8k5QCPemAkg=; b=KLQFtgesCVUACKEJd25zc5DeiagIzPkZRE9RzyPYCKRCt3mr3M/U63oMVQDHD6CrWICkPf i2xu5ppu898+m01U68sUSWFhdpb/8DimEh/Fo4wa4gknSHLmgAbVD6lllqA5k+Nvq8ECtA sDeQ0dAnz19beZeiRTVkShyW9HpTwCliLXjxOpCTby8R9OKdDHgQhyZ1VaGelRNfCCSaC8 jLPUhTjglnLnMrBktOx5H9HwX8EnUqqriepHy5xpPYMPQOYdrNRh7wdoMPUufxx7OeHbSG m0kQU7OklQ4NdjpPbOhvBGh9V4ZFtY24ohHGl3kIhyN6lfZcO3VvVr9R6lhfNg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fDt4S2H1Qz1QNK for ; Mon, 16 Feb 2026 06:23:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3ce75 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 16 Feb 2026 06:23:04 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: a893e8463ab2 - stable/14 - unmount(2): do not allow MNT_DEFERRED or MNT_RECURSE flags from userspace 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: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: a893e8463ab2741204debd17901539708ec3a970 Auto-Submitted: auto-generated Date: Mon, 16 Feb 2026 06:23:04 +0000 Message-Id: <6992b7c8.3ce75.601a5a00@gitrepo.freebsd.org> The branch stable/14 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=a893e8463ab2741204debd17901539708ec3a970 commit a893e8463ab2741204debd17901539708ec3a970 Author: Konstantin Belousov AuthorDate: 2026-02-02 22:38:32 +0000 Commit: Konstantin Belousov CommitDate: 2026-02-16 06:20:18 +0000 unmount(2): do not allow MNT_DEFERRED or MNT_RECURSE flags from userspace (cherry picked from commit cd8d44173adc375b59a24b1363476c086a7c86b4) --- 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)