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 8AA09C432C0 for ; Tue, 19 Nov 2019 06:27:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55553222A7 for ; Tue, 19 Nov 2019 06:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727519AbfKSG1C (ORCPT ); Tue, 19 Nov 2019 01:27:02 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:46839 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726023AbfKSG1C (ORCPT ); Tue, 19 Nov 2019 01:27:02 -0500 Received: by mail-il1-f200.google.com with SMTP id i74so18554007ild.13 for ; Mon, 18 Nov 2019 22:27:01 -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=dTjrrRy3LEozKwNXBV4Ty/FztuyvMkif/G8KKuV4T7c=; b=UjlMymMQTkTtaoSpNMSWThXWb8xB1a+6VHmJJ4LSUbZ6Lph5VmjRGPO/IcP8CauQTq NfH4TRf0ViH2HNKpax7KDBXm8rmT/vqTirKl1EDUmtPy/OiZfenOPnYWZjAJDMjRSZil tV5onT0b9N0vbNCo4Cu8LiuOqsynI+HFz1d4ZXre/xtmfetoBYvjxbdDpV8Gj+4HLBkJ yll/xikNmXxNwwgKIHBy4ZIx+ArpxuM3JBh0Unxvraeg4oWM0yO8XCNNABzNQA/FCtw3 96/XREiOwtUCF21ZtMS891VgoCSDil0UlpeoK/HIizBnrW1u+mHGELsuG1f0BfQOasPJ HXIA== X-Gm-Message-State: APjAAAWwhQbIeN8xZssOg3flY0Td+Qw1768cCo9b0vYiMipLF+XZ3774 Tin39yrjvf2jSREJ0XdXA+MxUHDsS79+ym1A6veGW0+6tUhM X-Google-Smtp-Source: APXvYqxZvBxKrwbxu9qvV0Jyk3hsGjLxdkmXOzmsk4XNGJ2ienhpi+0IdkUlIoYwY7dUgJAsHQDj6kE18pXPZ8tgrd8ZGgsoZJnx MIME-Version: 1.0 X-Received: by 2002:a92:ce0d:: with SMTP id b13mr20495314ilo.26.1574144821076; Mon, 18 Nov 2019 22:27:01 -0800 (PST) Date: Mon, 18 Nov 2019 22:27:01 -0800 In-Reply-To: <000000000000bf6bd30575fec528@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e2ac670597ad2663@google.com> Subject: Re: general protection fault in kernfs_add_one From: syzbot To: benh@kernel.crashing.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org, torvalds@linux-foundation.org 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 syzbot has bisected this bug to: commit 726e41097920a73e4c7c33385dcc0debb1281e18 Author: Benjamin Herrenschmidt Date: Tue Jul 10 00:29:10 2018 +0000 drivers: core: Remove glue dirs from sysfs earlier bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=168e1012e00000 start commit: 5e335542 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=158e1012e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=118e1012e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9917ff4b798e1a1e dashboard link: https://syzkaller.appspot.com/bug?extid=db1637662f412ac0d556 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10a66c11400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1346c771400000 Reported-by: syzbot+db1637662f412ac0d556@syzkaller.appspotmail.com Fixes: 726e41097920 ("drivers: core: Remove glue dirs from sysfs earlier") For information about bisection process see: https://goo.gl/tpsmEJ#bisection