From nobody Wed Oct 07 06:24:41 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 4j034p5MdHz6vN14 for ; Wed, 07 Oct 2026 06:24:42 +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 "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4j034p09Q4z3NY7 for ; Wed, 07 Oct 2026 06:24:41 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791354282; 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=Z23nMZbI5RqS79U6h2PWf+WG5rqG+4EO9hXfgT5w+Rc=; b=Bbq/BjlSVaiPnvx6MjZJybRf/ucgoXFbtrDxwYBgMvUJGRJj6rN/sTxbjgQDRcpNhGFgoC JcdxglKE+1cNA6LuBbnRlO35MaolO0sFHwvbhKNnYHnbLNs3IlZYBueU2JUM9UYP/nZb05 Wt6+IXzJNgVEMcHWP/+BJyepw4NfKM+w7Mr39D4ZXLM+7/AEnFIgi5FvRxWFOp6g3pNW0B OPQ3dQSCbgZVR05ya5nPDjfVcprjgpvNbbGK/HFGmyjDgT9q4HJEpzP15wP4JZ0jeCqb7H sT32V1tdfnvMYqZuC+RgjxPq1WCRlbP2jny74TbXZMGQVTgUiilXa31DQiAWFQ== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1791354282; b=ap6vvvdXP3hHAJ2tEJ1dZYIEkypkurXGUzwft1IsykL4JcpRpZLmaB/rALJnnUblbvpQT3 Kgs0+lXHN6jkx2og+qU136uhT7SNbyTCmXga9HMhOivi3xk0X0yvplhOy/qxDFv8HyxO77 koNJceipIiDir7CbZW+xJUKjp0gPFWTkxN0uC41TU9uQEg4zdTD8PdP1QgK3S7flPotKNN EiJlFhcgTOpK0vA0g6CRwWyZxZWGcsYLe/AXKQOnjjKrLs8pDfPcQTcOl2fuBL3JBRsxWr rooxGaRltfvAyqAbJ6bBRib/oLwsP/A1TqeGELmFdkyQoQODbAJVii6Sqizx+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791354282; 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=Z23nMZbI5RqS79U6h2PWf+WG5rqG+4EO9hXfgT5w+Rc=; b=OtH3yr2cXv/4F/urFZrFk6zUjy9QllT+55huLaNu5xhIwiJSWfAas68cIJKTuIdqxcMyqK jRtXXMX7mbxdjExeQMnKexyO0VrdQx0aEOcanylSqAG7tYle9t3zDT5+gKVYqNtkYebN6j JQdTbUE0/L2kUK6h+e4x1rHNaH9M1NbwipE/mwqndB+l3fPogGOw06zrFoWiOPRmGiYBIe jeD/qOEBeu9Zy4dcq2NPm60Mub+UjMHi8SWi85AOLKDRgaRa8QYyPzYIyid1w+AgpV9Ykw Jt32WwlXob74oHL4Tw6egStKw4Y9gYa712lHGbj0BX5gforp9dkeA5U9sKeJiQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4j034n5M1Fzj5F for ; Wed, 07 Oct 2026 06:24:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 429dc by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 07 Oct 2026 06:24:41 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Christos Margiolis Subject: git: 58ca5e461c6e - stable/15 - cuse: Assert the server refcount 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: christos X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 58ca5e461c6ed6f0503b979e5b59047369a18f7e Auto-Submitted: auto-generated Date: Wed, 07 Oct 2026 06:24:41 +0000 Message-Id: <6ac5e5a9.429dc.a34f1bb@gitrepo.freebsd.org> The branch stable/15 has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=58ca5e461c6ed6f0503b979e5b59047369a18f7e commit 58ca5e461c6ed6f0503b979e5b59047369a18f7e Author: Christos Margiolis AuthorDate: 2026-09-30 09:51:05 +0000 Commit: Christos Margiolis CommitDate: 2026-10-07 06:23:32 +0000 cuse: Assert the server refcount Assert that the refcount does not underflow before decrementing it, and that it really is zero by the time the server is freed. MFC after: 1 week Sponsored by: The FreeBSD Foundation Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D60043 (cherry picked from commit f96c4f45f791124192363c9aa2898b1d0e4cc6d0) --- sys/fs/cuse/cuse.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/fs/cuse/cuse.c b/sys/fs/cuse/cuse.c index 081fe1fe0bad..7408478f4ba7 100644 --- a/sys/fs/cuse/cuse.c +++ b/sys/fs/cuse/cuse.c @@ -648,6 +648,7 @@ cuse_server_unref(struct cuse_server *pcs) */ cuse_global_lock(); cuse_server_lock(pcs); + MPASS(pcs->refs > 0); if (--(pcs->refs) != 0) { cuse_server_unlock(pcs); cuse_global_unlock(); @@ -683,6 +684,7 @@ cuse_server_unref(struct cuse_server *pcs) mtx_destroy(&pcs->mtx); + MPASS(pcs->refs == 0); free(pcs, M_CUSE); }