From patchwork Thu Mar 16 00:30:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ackerley Tng X-Patchwork-Id: 13176842 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65D7EC6FD1D for ; Thu, 16 Mar 2023 00:31:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233170AbjCPAbu (ORCPT ); Wed, 15 Mar 2023 20:31:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231972AbjCPAba (ORCPT ); Wed, 15 Mar 2023 20:31:30 -0400 Received: from mail-pf1-x44a.google.com (mail-pf1-x44a.google.com [IPv6:2607:f8b0:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F9DF9EF6D for ; Wed, 15 Mar 2023 17:31:19 -0700 (PDT) Received: by mail-pf1-x44a.google.com with SMTP id p39-20020a056a0026e700b0062315c420d6so161661pfw.21 for ; Wed, 15 Mar 2023 17:31:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678926679; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=vx2+K6b7VucsfYU5uvwShdem3MP0VCFQdKNh537WPsg=; b=EA4KfJjpxzMBA8ocOUJxskwPBqMOEPIbHdsbcZbccXhBPZcwGYtMOllXq3ZDv1ORrB QiGXSeCrawIV7Ob35Ad38AzhJQ6BmfNPeqo9bO2jMmgbTKuCwOKW52r8qmivCl54zpk4 88+8R8AG50cALhrkX6rRkPAgkUbqtisQ5dY73WaxL3k9+gqFrwu9ZnTOHigxZwCRoFw5 oEoLsQ0vn6DI5C8JkbS3LjnqPEppdpTWdzwEEBPNvCCLSrBJZbkjPpf2Wve4VtPR3n5N YKB4fD3PfGLhtkzjKoNrJ8iamdLexrkhHgeNyx0cQIIYAFnZZoWRNc9PQUU2ONHo7FAf gprw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678926679; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=vx2+K6b7VucsfYU5uvwShdem3MP0VCFQdKNh537WPsg=; b=FyYaJMwZsmlEo7WJ5jd/lzDTN6cQxq5F3Y2vyQ0r01OqK0QsoeNmuuQt8Xd8qdfggs lHUXwr5yx90kbGpscPdHrrQabW490UBiZwVPI/QKQWt1Y1d4MCI7aBTCQdsB1yv9umvz Q8+8VnUhPJBe8QWOexQFC85RJjBvOtjHsVGxp+se7kF2v5mK8Z4vN6sd72AP7qyn9jv8 ga3Cm/TYzGY43DyHooxP6633zu4hLiAZy6hSh2LRH6lj/FdZrg4Y+ysnjFpk6U9098df /BeRU4b4kKrokoeDTtU8+46CHL1V0GkeycqVaM9hCLEphEaiAOOuGWz4npwNyvkvBYW/ J6Jw== X-Gm-Message-State: AO0yUKXY2IoWDWktOheFvlNYmqxMJVooo11TmbZShUgeieEZxExm8tl0 4A0bUa5CMaEQz8pcPqLSuKFeplSJxFqKemdc0A== X-Google-Smtp-Source: AK7set8pxVyKhYzeYJbLh/hwRd4Uu3vEs7a87hlm2FvbWgBf9tOHOVoa9Y6GzuIXe4LVFtgGHHuaVLgOE52DzxfEww== X-Received: from ackerleytng-cloudtop.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:1f5f]) (user=ackerleytng job=sendgmr) by 2002:a05:6a00:23d6:b0:625:cf6d:b272 with SMTP id g22-20020a056a0023d600b00625cf6db272mr580538pfc.6.1678926678685; Wed, 15 Mar 2023 17:31:18 -0700 (PDT) Date: Thu, 16 Mar 2023 00:30:55 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.40.0.rc2.332.ga46443480c-goog Message-ID: <75eba82a2666b0caa96ed0484a713037045ed114.1678926164.git.ackerleytng@google.com> Subject: [RFC PATCH 02/10] KVM: selftests: Test that ftruncate to non-page-aligned size on a restrictedmem fd should fail From: Ackerley Tng To: kvm@vger.kernel.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, qemu-devel@nongnu.org Cc: aarcange@redhat.com, ak@linux.intel.com, akpm@linux-foundation.org, arnd@arndb.de, bfields@fieldses.org, bp@alien8.de, chao.p.peng@linux.intel.com, corbet@lwn.net, dave.hansen@intel.com, david@redhat.com, ddutile@redhat.com, dhildenb@redhat.com, hpa@zytor.com, hughd@google.com, jlayton@kernel.org, jmattson@google.com, joro@8bytes.org, jun.nakajima@intel.com, kirill.shutemov@linux.intel.com, linmiaohe@huawei.com, luto@kernel.org, mail@maciej.szmigiero.name, mhocko@suse.com, michael.roth@amd.com, mingo@redhat.com, naoya.horiguchi@nec.com, pbonzini@redhat.com, qperret@google.com, rppt@kernel.org, seanjc@google.com, shuah@kernel.org, steven.price@arm.com, tabba@google.com, tglx@linutronix.de, vannapurve@google.com, vbabka@suse.cz, vkuznets@redhat.com, wanpengli@tencent.com, wei.w.wang@intel.com, x86@kernel.org, yu.c.zhang@linux.intel.com, Ackerley Tng Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Signed-off-by: Ackerley Tng --- tools/testing/selftests/vm/memfd_restricted.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/vm/memfd_restricted.c b/tools/testing/selftests/vm/memfd_restricted.c index 43a512f273f7..9c4e6a0becbc 100644 --- a/tools/testing/selftests/vm/memfd_restricted.c +++ b/tools/testing/selftests/vm/memfd_restricted.c @@ -38,6 +38,11 @@ static void test_file_size(int fd) { struct stat sb; + if (!ftruncate(fd, page_size + 1)) { + fail("ftruncate to non page-aligned sizes should fail\n"); + return; + } + if (ftruncate(fd, page_size)) { fail("ftruncate failed\n"); return;