From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB3F7C3279B for ; Tue, 10 Jul 2018 13:48:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84C2220881 for ; Tue, 10 Jul 2018 13:48:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84C2220881 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933356AbeGJNsW (ORCPT ); Tue, 10 Jul 2018 09:48:22 -0400 Received: from mga05.intel.com ([192.55.52.43]:60828 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933258AbeGJNsU (ORCPT ); Tue, 10 Jul 2018 09:48:20 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2018 06:48:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,334,1526367600"; d="scan'208";a="53309362" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 10 Jul 2018 06:48:18 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id 46EBC29B; Tue, 10 Jul 2018 16:48:22 +0300 (EEST) From: "Kirill A. Shutemov" To: Andrew Morton Cc: Dmitry Vyukov , Oleg Nesterov , Andrea Arcangeli , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCH 0/2] Fix crash due to vma_is_anonymous() false-positives Date: Tue, 10 Jul 2018 16:48:19 +0300 Message-Id: <20180710134821.84709-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.18.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix crash found by syzkaller. The fix allows to remove ->vm_ops checks. Kirill A. Shutemov (2): mm: Fix vma_is_anonymous() false-positives mm: Drop unneeded ->vm_ops checks drivers/char/mem.c | 1 + fs/binfmt_elf.c | 2 +- fs/exec.c | 1 + fs/hugetlbfs/inode.c | 1 + fs/kernfs/file.c | 20 +------------------- fs/proc/task_mmu.c | 2 +- include/linux/mm.h | 5 ++++- kernel/events/core.c | 2 +- kernel/fork.c | 2 +- mm/hugetlb.c | 2 +- mm/khugepaged.c | 4 ++-- mm/memory.c | 12 ++++++------ mm/mempolicy.c | 10 +++++----- mm/mmap.c | 27 ++++++++++++++++++++------- mm/mremap.c | 2 +- mm/nommu.c | 4 ++-- mm/shmem.c | 1 + 17 files changed, 50 insertions(+), 48 deletions(-) -- 2.18.0