From owner-dev-commits-src-all@freebsd.org Thu Aug 12 08:57:27 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1B31C667F07; Thu, 12 Aug 2021 08:57:27 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GlgYg0Gt2z4THN; Thu, 12 Aug 2021 08:57:27 +0000 (UTC) (envelope-from git@FreeBSD.org) 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 E6FD01FEF3; Thu, 12 Aug 2021 08:57:26 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 17C8vQCu064293; Thu, 12 Aug 2021 08:57:26 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 17C8vQcY064292; Thu, 12 Aug 2021 08:57:26 GMT (envelope-from git) Date: Thu, 12 Aug 2021 08:57:26 GMT Message-Id: <202108120857.17C8vQcY064292@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Dmitry Chagin Subject: git: 4385147547d9 - main - linux(4): Return ENOSYS for unsupported clone3 option bits. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dchagin X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4385147547d9f2f8b93f08012c0a18aa6d895403 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Aug 2021 08:57:27 -0000 The branch main has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=4385147547d9f2f8b93f08012c0a18aa6d895403 commit 4385147547d9f2f8b93f08012c0a18aa6d895403 Author: Dmitry Chagin AuthorDate: 2021-08-12 08:56:36 +0000 Commit: Dmitry Chagin CommitDate: 2021-08-12 08:56:36 +0000 linux(4): Return ENOSYS for unsupported clone3 option bits. Differential Revision: https://reviews.freebsd.org/D31483 MFC after: 2 weeks --- sys/compat/linux/linux_fork.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c index 77dd8446c588..ba169ff98923 100644 --- a/sys/compat/linux/linux_fork.c +++ b/sys/compat/linux/linux_fork.c @@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include @@ -411,6 +412,20 @@ linux_clone3_args_valid(struct l_user_clone_args *uca) if (uca->stack != 0 && uca->stack_size == 0) return (EINVAL); + /* Verify that no unsupported flags are passed along. */ + if ((uca->flags & LINUX_CLONE_NEWTIME) != 0) { + LINUX_RATELIMIT_MSG("unsupported clone3 option CLONE_NEWTIME"); + return (ENOSYS); + } + if ((uca->flags & LINUX_CLONE_INTO_CGROUP) != 0) { + LINUX_RATELIMIT_MSG("unsupported clone3 option CLONE_INTO_CGROUP"); + return (ENOSYS); + } + if (uca->set_tid != 0 || uca->set_tid_size != 0) { + LINUX_RATELIMIT_MSG("unsupported clone3 set_tid"); + return (ENOSYS); + } + return (0); }