From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6421E17F7 for ; Thu, 21 Mar 2024 02:42:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710988942; cv=none; b=di99U+u7BmSMF9X+MIJmnOZC7pKJL0QX9m5UxIW6wPGv926kV6ZxGD8hRazjMNiytXTtzqUi9siqwF1vZbkF4f/pZRcXGe2i3JRMIyNukGhuxesqzhN3ETjolSdvHDZSBS7JbhxHeAjdGV3/xbuuF9ghMVKlB2yOWj77qEQ78bM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710988942; c=relaxed/simple; bh=Moyi9It4HDn0Wqnsa384HlzmialjvkrXk5CH1nKNAzo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=HJFxdt7LPHwCD1BaRM4RTCGjjmoisTc6vgwr8kAMdN4CZxT77d4+L6A38Ybrhrp9DaPwJuCL21sGjCO9zw4nrLZe9+x34dumOlX93lCj2Wpv1d700OSVf7uSVSLtUVfPLVKTJSnunr9JRuXTdtRjWhVt1bhjVuhARkkLHg5KZK4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-7cc0a422d43so52125739f.2 for ; Wed, 20 Mar 2024 19:42:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710988940; x=1711593740; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=gXKz2V3ME9fD+k/BB3OJKDkhzsKI05dxAOLxSgfJSSM=; b=LbhAyIQ5JiYUqoR2u1okMWkylyiqceRhQ2j62WeqzmVBWCD8N2APzlXPbsOmplA2Ur e4oxbE3e+dXCzWTkvzm7W5gt3AHYSAGO/w8sUqwhsTRSC1GwN0BQk1JHt4ndJqfY1Ial lG8Mr2IbUDtwrP59ytJuNuL/NdWs5ZZdRf2zRFkfDzRwgRVK8SgbyGQRS0whSFAOSPPg htyVV1cucZriXV2tlKe3LwVXGdMEso28PASb8nGgyKhi6MJpOQyfWF9qSJLfyCSil29H zCFwbgw3aGGJpn4PHrHtSqDah7xXdgFaarABcidkblEosSPduHbNLcV3zIINYpNY2dJu z96Q== X-Forwarded-Encrypted: i=1; AJvYcCUFwOOelIPqbvlL22gpmw9PkLFTTsqO4uKmRzgb7ym5X0XWUZ3AtAxgzjwV6v7uIvUTqgMMXB3UJ86bCVSUCgkcvC4wwxzXpF2DSbqG X-Gm-Message-State: AOJu0YyE1gKVXPAiwET9nOuRX9E0QTMKBe3bRyXExwsDhq7Txp/uhIc8 ig+OxWR+YcMOquV163waMuSc3fYFR6aVgLHN/3hCjLRXktcyxcHeIuBwiGHfszIxdCzeK8K446v lFle/yQ5l7cALT8wzmvtJwXvp6JgJ7PPlgX6DoAfo24VFFh/JwN3eR0A= X-Google-Smtp-Source: AGHT+IHaJLyLhFYGuxU/qA70H+kInufpacI1MqSCsvIV+tXUQCBqMAxE9w0GQUMmakSSmz60cRnSEW31nstDH7yuaKGobO0hjTQK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:34aa:b0:477:303f:e0a5 with SMTP id t42-20020a05663834aa00b00477303fe0a5mr284557jal.3.1710988940642; Wed, 20 Mar 2024 19:42:20 -0700 (PDT) Date: Wed, 20 Mar 2024 19:42:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000005a1e1061422a8f1@google.com> Subject: [syzbot] [usb?] WARNING: ODEBUG bug in usb_unbind_interface (2) From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 480e035fc4c7 Merge tag 'drm-next-2024-03-13' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=155b7959180000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e5b814e91787669 dashboard link: https://syzkaller.appspot.com/bug?extid=9665bf55b1c828bbcd8a compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5f73b6ef963d/disk-480e035f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/46c949396aad/vmlinux-480e035f.xz kernel image: https://storage.googleapis.com/syzbot-assets/e3b4d0f5a5f8/bzImage-480e035f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9665bf55b1c828bbcd8a@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff88807b455180 object type: work_struct hint: usbnet_deferred_kevent+0x0/0xb90 drivers/net/usb/usbnet.c:1589 WARNING: CPU: 0 PID: 5151 at lib/debugobjects.c:517 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:514 Modules linked in: CPU: 0 PID: 5151 Comm: kworker/0:3 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:514 Code: e8 fb b9 4a fd 4c 8b 0b 48 c7 c7 20 dd fe 8b 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 eb 3e aa fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 8c d5 d9 0a 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc900046e7278 EFLAGS: 00010286 RAX: cd024ab54396bd00 RBX: ffffffff8ba9ef40 RCX: 0000000000040000 RDX: ffffc90012937000 RSI: 000000000003b781 RDI: 000000000003b782 RBP: ffffffff8bfedea0 R08: ffffffff8157cc12 R09: fffffbfff1bf9650 R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: 0000000000000000 R13: ffffffff8bfeddb8 R14: dffffc0000000000 R15: ffff88807b455180 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0e043ad988 CR3: 000000002a986000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] debug_check_no_obj_freed+0x45b/0x580 lib/debugobjects.c:1019 slab_free_hook mm/slub.c:2078 [inline] slab_free mm/slub.c:4280 [inline] kfree+0x110/0x380 mm/slub.c:4390 device_release+0x99/0x1c0 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 usb_unbind_interface+0x1d4/0x850 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1295 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x581/0xa30 drivers/base/core.c:3828 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267 hub_port_connect drivers/usb/core/hub.c:5323 [inline] hub_port_connect_change drivers/usb/core/hub.c:5623 [inline] port_event drivers/usb/core/hub.c:5783 [inline] hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup