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=-3.0 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 EB856C28CF6 for ; Wed, 1 Aug 2018 13:08:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94A3E208A3 for ; Wed, 1 Aug 2018 13:08:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94A3E208A3 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 S2389305AbeHAOx6 (ORCPT ); Wed, 1 Aug 2018 10:53:58 -0400 Received: from mga05.intel.com ([192.55.52.43]:23303 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388930AbeHAOx5 (ORCPT ); Wed, 1 Aug 2018 10:53:57 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Aug 2018 06:08:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,432,1526367600"; d="scan'208";a="250193287" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 01 Aug 2018 06:08:13 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id 5D20E86; Wed, 1 Aug 2018 16:08:12 +0300 (EEST) From: "Kirill A. Shutemov" To: Andrew Morton , Linus Torvalds Cc: Dmitry Vyukov , Oleg Nesterov , Andrea Arcangeli , Tony Luck , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCH] ia64: Make stack VMA anonymous Date: Wed, 1 Aug 2018 16:08:01 +0300 Message-Id: <20180801130801.30095-1-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 IA64 allocates stack in a custom way. Stack has to be marked as anonymous otherwise the process will be killed with SIGBUS on the first access to the stack. Add missing vma_set_anonymous(). Signed-off-by: Kirill A. Shutemov Reported-by: Tony Luck Fixes: bfd40eaff5ab ("mm: fix vma_is_anonymous() false-positives") --- arch/ia64/mm/init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index e6c6dfd98de2..99044db28040 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -116,6 +116,7 @@ ia64_init_addr_space (void) */ vma = vm_area_alloc(current->mm); if (vma) { + vma_set_anonymous(vma); vma->vm_start = current->thread.rbs_bot & PAGE_MASK; vma->vm_end = vma->vm_start + PAGE_SIZE; vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT; -- 2.18.0