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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 07C17ECE562 for ; Fri, 21 Sep 2018 08:57:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A225221523 for ; Fri, 21 Sep 2018 08:57:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A225221523 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.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 S2389413AbeIUOoy (ORCPT ); Fri, 21 Sep 2018 10:44:54 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:45384 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725898AbeIUOoy (ORCPT ); Fri, 21 Sep 2018 10:44:54 -0400 Received: by mail-io1-f69.google.com with SMTP id o4-v6so19054539iob.12 for ; Fri, 21 Sep 2018 01:57:02 -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:message-id:subject:from:to; bh=GmhRUqJ5Q2yuHnKV4bAYHa3Ogg2FPVj0jny9qwVgus4=; b=thxczI2z05t4/tKPFR6AlMnff7WZzD8d0uIv+mRkinK2NosEVsHDYMZtSBSvEOFhvh c/lnK6PhTtAdcve+ItrxPWJ5UOE8uSD7sAvCV+ua8rRyLWPMRFUSdar2hFjyeQEzsFrl dS3nwD6qG3o8RExCj48Hr4lffW02hMvVOdDxkdTOSmFkqYzqsM5WX3rVAd3o85Uwaidk 9tnsq6Is5FcaC7mhociXBYm7Aafnun3WEdmLgDDiikl2lsBWFDljOs5IVl2khBoeHh5l LfYWT3iznUGIWLtrr3XZEDGioKF0nO/tEkwKWnmIVG06gNhaxxSFe/tncW0ldXpQ0RyL lR/g== X-Gm-Message-State: APzg51Ax2VX1eeXojvEiRdOOPRLNcVr3jCMKcL9D0JQCDe8sw+5Mr4P9 IwPEFJ6M5sTduAT59iDtr07FxomI/LCOPZXqK+79U5qSROfr X-Google-Smtp-Source: ANB0VdYSWasAxaM8JDcgeB6SVbFo66jEVDtWjGsUxggXAhTdFk2dPFlz6/k8PrZTwFcjBrP/Ak3JqmG0fAMO/M21qEKF5JRXflCJ MIME-Version: 1.0 X-Received: by 2002:a6b:7319:: with SMTP id e25-v6mr30831358ioh.98.1537520222197; Fri, 21 Sep 2018 01:57:02 -0700 (PDT) Date: Fri, 21 Sep 2018 01:57:02 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000addf6005765dd2c6@google.com> Subject: WARNING in sysfs_remove_group (2) From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.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 found the following crash on: HEAD commit: 234b69e3e089 ocfs2: fix ocfs2 read block panic git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15ee0d11400000 kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=34cbd0f790e5ab87f63b compiler: gcc (GCC) 8.0.1 20180413 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+34cbd0f790e5ab87f63b@syzkaller.appspotmail.com kobject_add_internal failed for rfkill10 (error: -2 parent: hci1) ------------[ cut here ]------------ sysfs group 'power' not found for kobject 'hci1' WARNING: CPU: 1 PID: 11200 at fs/sysfs/group.c:255 sysfs_remove_group+0x15b/0x1b0 fs/sysfs/group.c:253 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11200 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop2' (00000000c60b67bc): kobject_uevent_env panic+0x238/0x4e7 kernel/panic.c:184 kobject: 'loop2' (00000000c60b67bc): fill_kobj_path: path = '/devices/virtual/block/loop2' __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:sysfs_remove_group+0x15b/0x1b0 fs/sysfs/group.c:253 Code: 48 89 d9 49 8b 55 00 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 20 5d 18 88 e8 a5 07 50 ff <0f> 0b eb 92 e8 ec 81 c9 ff e9 d0 fe ff ff 48 89 df e8 df 81 c9 ff RSP: 0018:ffff88019993f550 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff885f83c0 RCX: ffffc90005079000 RDX: 000000000001f3e2 RSI: ffffffff8164fd15 RDI: 0000000000000005 RBP: ffff88019993f578 R08: ffff880195688140 R09: ffffed003b5e4fe8 R10: ffffed003b5e4fe8 R11: ffff8801daf27f47 R12: 0000000000000000 R13: ffff8801d2636990 R14: ffffffff885f8960 R15: 0000000000000000 dpm_sysfs_remove+0x58/0x60 drivers/base/power/sysfs.c:734 device_del+0x118/0xb70 drivers/base/core.c:2054 hci_unregister_dev+0x3c2/0xbf0 net/bluetooth/hci_core.c:3290 vhci_release+0x76/0xf0 drivers/bluetooth/hci_vhci.c:354 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 get_signal+0x155e/0x1980 kernel/signal.c:2343 do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop0' (0000000011f4c275): kobject_uevent_env RIP: 0033:0x457679 kobject: 'loop0' (0000000011f4c275): fill_kobj_path: path = '/devices/virtual/block/loop0' Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa1ca1b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000002 RBX: 00007fa1ca1ba6d4 RCX: 0000000000457679 RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000006 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d8628 R14: 00000000004c51dd R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. 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