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=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 B78F5C2BABC for ; Tue, 7 Apr 2020 05:26:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6914B206BE for ; Tue, 7 Apr 2020 05:26:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6914B206BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C38A48E0005; Tue, 7 Apr 2020 01:26:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BC28C8E0001; Tue, 7 Apr 2020 01:26:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A63398E0005; Tue, 7 Apr 2020 01:26:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0107.hostedemail.com [216.40.44.107]) by kanga.kvack.org (Postfix) with ESMTP id 863A88E0001 for ; Tue, 7 Apr 2020 01:26:04 -0400 (EDT) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 0AA94181AEF1E for ; Tue, 7 Apr 2020 05:26:04 +0000 (UTC) X-FDA: 76679922648.14.glass83_17d52eb8ff136 X-HE-Tag: glass83_17d52eb8ff136 X-Filterd-Recvd-Size: 2622 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Apr 2020 05:26:03 +0000 (UTC) Received: by mail-io1-f69.google.com with SMTP id c10so2136508ioc.2 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=ngFZ14BpqknJIgMA+nvhvjxzuLRgLDSmnBcNlGBwgZXohLWulhYmtcUCzK5hPaCk6F x7LkhTp18aRft+vByQgQoUWc6SFqUtQORGaweGwyIEFdRUfYAechBN+T3w2fPG6bXgv9 hiPLVqEl4xEbiXxqSjWTgPaYEXJjO9lR1M2Yp4TlBMvJx2f3iHJZCiLxm6Jj8iqyiacE rqBmeDDezW4YZO8vwDDck7w9intC8ZyBg4Q/g8i4dnt1pHIzu5OBzyTIE8PPaW6UVsSY 10M7bAJAnKG8sT8C49cAWh0kRnlJNFsbyjzrlND/PEcfc0/F2STZdt2/w9df2FKsMPDq MCQg== X-Gm-Message-State: AGi0PuZAkHqK6gdPZtb6UAQbOhWvNvvzwQeGKPNIYEdYWhCswpnFQS0C kV/UXYHbR3lhaKEE3p4zQ9T4D+cXY6y3VKzqCbNjVEnGoiPf 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" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000047, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.