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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 9576CC2BA80 for ; Tue, 7 Apr 2020 05:26:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6638F206BE for ; Tue, 7 Apr 2020 05:26:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726725AbgDGF0F (ORCPT ); Tue, 7 Apr 2020 01:26:05 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:41034 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725802AbgDGF0F (ORCPT ); Tue, 7 Apr 2020 01:26:05 -0400 Received: by mail-io1-f69.google.com with SMTP id n15so2095806iog.8 for ; Mon, 06 Apr 2020 22:26:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=10x2LPIf+i5tUN+93O3ai178FKi5dAQ4lSNsVheuvew=; b=fRFZPZQQQLEOqzFZ7NmxehpGLh8dtp22057kTLXhHto3W+bbBzW35q9yOyCdX1XP5q E3xtVxscwrb69fuCX43LQ3baIytupnA5yRpHH01pZwezRcaq8PTB22OWIsA46DlcBQak szz9cR8a1gSRmmJ/u0yVsvAsWzG9p2x0UULX7We/gUQ3gbXv7Vs8rJyCGRbFiyufLyNY u9FrM5y7kd4tEoy6KKZ2iVP2kC7Juv+BCi+pyxe5AjQdaqbZm9ZrKCWgzxBAjU15x354 /HRDbjhZHUjjdBwRnJJOiKmJyGIuBfiOfmdSxAJp9SWVOq+IlnkICZUZTJkBg0Cqfhkt R7yQ== X-Gm-Message-State: AGi0PuarxPiD3SI4BDPYDMU6bB46INtE/t1Kvq17i6alVy4yEVZgr82f sQElMc2XdngBEgXKBsqoroAHXnyqzbczb5m135EbnMMToTHr X-Google-Smtp-Source: APiQypKcWa27HP4wPRzmWPB3oiil2kIAlXNSOGNxBQypvmGUF9eM7Tq+Oe1CyHXQ/3i0QL6uD0aTBxvWpLk1jm5HIlg7xzZgK0fo MIME-Version: 1.0 X-Received: by 2002:a92:1fc5:: with SMTP id f66mr654757ilf.157.1586237163153; Mon, 06 Apr 2020 22:26:03 -0700 (PDT) Date: Mon, 06 Apr 2020 22:26:03 -0700 In-Reply-To: <20200407012702.GB48345@xz-x1> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a3afc905a2ac9e77@google.com> Subject: Re: BUG: unable to handle kernel paging request in kernel_get_mempolicy From: syzbot To: akpm@linux-foundation.org, bgeffon@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, peterx@redhat.com, rdunlap@infradead.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+693dc11fcb53120b5559@syzkaller.appspotmail.com Tested on: commit: 23800bff mm/mempolicy: Allow lookup_node() to handle fatal.. git tree: https://github.com/xzpeter/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=288d637f7bebfd40 dashboard link: https://syzkaller.appspot.com/bug?extid=693dc11fcb53120b5559 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Note: testing is done by a robot and is best-effort only.