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 A1C24C432C0 for ; Sun, 24 Nov 2019 23:24:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 796302068F for ; Sun, 24 Nov 2019 23:24:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727046AbfKXXYB (ORCPT ); Sun, 24 Nov 2019 18:24:01 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:39110 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726957AbfKXXYB (ORCPT ); Sun, 24 Nov 2019 18:24:01 -0500 Received: by mail-il1-f199.google.com with SMTP id t4so12253690iln.6 for ; Sun, 24 Nov 2019 15:24:00 -0800 (PST) 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=lvmYFxQ4tMpUppOKxWLXexXQSrq67jjHmSMnYwsK918=; b=ggcl6ArpCbytyZ0TjXVDz0fhyvhVXlu/Z+gsNd59ZYuAhAfyRfsRx73PaUDJZMQWc6 zqWbwex7B/YyM17nA7ugoVwsmzG2zDGikhzZxzTwJ4+Sdt1yrWow1TUN9gDLPux8hdhs Zfx0RzcIhcCQDrN5Oi7qqYynNamMTefbWbOPmjm8OawNvnM/IcOgWigHqvIY68gRoU5M dW0iUZj9CywCrJuZ1EcBIcCetuiyR0Yy5PA1lkEl3Y0H6WGrJhtPQ5xPL70fY/OBnh/9 PmxKzc6A+wFDN09i04Qpyk+qkAj43BeyGQMt3bhn59SHDQlZAiXE7XY1tE5fwFQwxE3x SOIA== X-Gm-Message-State: APjAAAWZGgb0X4XsOMJpL8iQq4swYDZsfWHjLKtf0R2hWFu3qiNGiXTp m+nvy2voWgbtLNFpTXP5+r4LJXJ3N1jxRrLzpzSuluQ74H4F X-Google-Smtp-Source: APXvYqzybgh35xlc8OCAZI+HDDxRXvIzbywSitZ5fmZRerPy++yQAdBkreUmqiN9FAW1Gh+w6H3FG23oukUmVPMMPPcj1XreIAIA MIME-Version: 1.0 X-Received: by 2002:a92:7405:: with SMTP id p5mr31061111ilc.261.1574637840449; Sun, 24 Nov 2019 15:24:00 -0800 (PST) Date: Sun, 24 Nov 2019 15:24:00 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000214afd05981ff1a8@google.com> Subject: Re: possible deadlock in mon_bin_vma_fault From: syzbot To: andreyknvl@google.com, arnd@arndb.de, gregkh@linuxfoundation.org, jrdr.linux@gmail.com, keescook@chromium.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk, zaitcev@redhat.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes 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+56f9673bb4cdcbeb0e92@syzkaller.appspotmail.com Tested on: commit: 4d856f72 Linux 5.3 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.3 kernel config: https://syzkaller.appspot.com/x/.config?x=86071634b2594991 dashboard link: https://syzkaller.appspot.com/bug?extid=56f9673bb4cdcbeb0e92 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=11ff3eeee00000 Note: testing is done by a robot and is best-effort only.