From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 35BF71474A5 for ; Tue, 27 Feb 2024 16:12:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709050342; cv=none; b=rM4fOHftG2os1ZbLHK2CID5SUuw5lCKtvxQYhnwXR7E+XLKsqnSckInZDvJJuMyS4wy2h+Q/tg/Plr0SgAezWEeJXebXNUwUkk2b/S54EKxlSi38NykTFsbzlTW34wSzqOPoXVU5yLTif6Qhf+sb+Tn5llkWeoFnnLItF5TB/DI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709050342; c=relaxed/simple; bh=BFEQIZVH5Nc8v1KRuh7Tj2bYQ/ne/aCK7lSVlDmIVfo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZOmnjBlvhsaYE91oeMQoVmD3ywqxlrBolKhhXb5ipUhBpg5CygcMcWsMtOgWotduyUi8vlZ8JlpIRPlJwe/1RAYEcz9bYkMVm+VtrJJN/vvoJj4g37FUYGe7suj9rkzdJP7ITYcqNBWKNwcfxBvYvdGbp1zezF3/eTdXFPxew/I= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-365b4dc6c3eso800075ab.2 for ; Tue, 27 Feb 2024 08:12:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709050339; x=1709655139; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=9xT8RLq9P4JqKsEIdS744XQR8XzwEfjm7rQQcW82q8o=; b=tMcMun45VCvBqU6pK4k1JuXDm8lKhHwmcieGFS5D5KSBPrMzgESO6GBlubO9oOp7iE 4RCGzxXTDgfCtPrUMexQZVbUdOkdw2LCeT5mDjl5bMULwgiWDQfX4qAth8/Ip1duR99a CzyNveCizzVy373JrBNLEEVu9mkGeRA7FnDr2A+ToMbN48xf13y+5UvkPeWvkDBVdXaE hvNfzLfN58uPPswqL/KgvLU6L0g9ZMxdl1JOZDw1kZjIeFj5kQsPGUsP6KVoxE7XwaJ8 KyWOP/4PN3q/eu0WaMDl5DKTNifsS91eJmRAkmhzxKTz0azRjQUP5jPFbt4Obh3nVIP0 iOqQ== X-Forwarded-Encrypted: i=1; AJvYcCWocF9ebLg623Dj3B9HasLWm+66+EJQh1NupIO1o+CXyxTyhKywPNT/QWW0yJlyhe7vcBVVQDT6GTchz5etT9Yke5cKTrYJyWjbfKo= X-Gm-Message-State: AOJu0YxccqvXIu6VkrpOk5v5UQw3drZvlVtqZkyLp9lG/CoH1REGKiVC C6prMBgGdopG2aIKb4EpxwKQKZypVw2cDCZtFR82prG5tOKilaqdADEzH/wULls1kOQKQgw7BKU 2ZvIJBDExqRodNKUS7gA+ZeExAifsfYKHrfD326K8IaO0qsCbK4TFi34= X-Google-Smtp-Source: AGHT+IHi4rUXrlLkS/7yrg6PKExL5vZGjbaK1BSsNHqc3qV3deyIDkZSMGvOfgteU+4uiVl5Uv5anROr+53tJxT2l14iFMNXfyMe Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2192:b0:365:2f9d:5f04 with SMTP id j18-20020a056e02219200b003652f9d5f04mr733406ila.5.1709050339449; Tue, 27 Feb 2024 08:12:19 -0800 (PST) Date: Tue, 27 Feb 2024 08:12:19 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000062e3bd06125f4a28@google.com> Subject: [syzbot] [usb?] [input?] WARNING in __input_unregister_device From: syzbot To: gregkh@linuxfoundation.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 9abbc24128bc Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=1432aac4180000 kernel config: https://syzkaller.appspot.com/x/.config?x=af5c6c699e57bbb3 dashboard link: https://syzkaller.appspot.com/bug?extid=b03b0fc32e288051502d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147aa106180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150f8e22180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ce13ec3ed5ad/disk-9abbc241.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/256cbd314121/vmlinux-9abbc241.xz kernel image: https://storage.googleapis.com/syzbot-assets/0af86fb52109/Image-9abbc241.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b03b0fc32e288051502d@syzkaller.appspotmail.com microsoft 0003:045E:07DA.0009: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 usb 1-1: USB disconnect, device number 10 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 1 PID: 1394 at lib/kobject_uevent.c:671 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 1 PID: 1394 Comm: kworker/1:2 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:671 sp : ffff800098486c80 x29: ffff800098486da0 x28: 000000000000000c x27: ffff700013090d9c x26: dfff800000000000 x25: ffff0000c8e02a10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0000c8e02218 x20: ffff0000c8e02a1c x19: ffff0000c8e02000 x18: 1fffe00036804796 x17: 0000000000000000 x16: ffff80008ad5bbdc x15: 0000000000000001 x14: 1fffe00036804802 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : c77e75592b5e9e00 x8 : c77e75592b5e9e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800098486578 x4 : ffff80008ed715e0 x3 : ffff8000805b98b4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4f0/0x874 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:642 device_del+0x6a8/0x87c drivers/base/core.c:3846 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2388 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1295 device_release_driver+0x28/0x38 drivers/base/dd.c:1318 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x87c drivers/base/core.c:3828 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x1a4/0x758 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+0x440/0x6a0 drivers/base/dd.c:1295 device_release_driver+0x28/0x38 drivers/base/dd.c:1318 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x87c drivers/base/core.c:3828 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1416 usb_disconnect+0x290/0x808 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+0x18ec/0x435c drivers/usb/core/hub.c:5865 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 71432 hardirqs last enabled at (71431): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (71431): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (71432): [] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625 softirqs last enabled at (42430): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (42430): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (42421): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 11 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 HID 045e:07da: Invalid code 65791 type 1 input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.000A/input/input11 microsoft 0003:045E:07DA.000A: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 usb 1-1: USB disconnect, device number 11 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 1 PID: 1394 at lib/kobject_uevent.c:671 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 1 PID: 1394 Comm: kworker/1:2 Tainted: G B W 6.8.0-rc5-syzkaller-g9abbc24128bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:671 sp : ffff800098486c80 x29: ffff800098486da0 x28: 000000000000000c x27: ffff700013090d9c x26: dfff800000000000 x25: ffff0001ffb5ea10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0001ffb5e218 x20: ffff0001ffb5ea1c x19: ffff0001ffb5e000 x18: 1fffe00036804796 x17: 0000000000000000 x16: ffff80008ad5bbdc x15: 0000000000000001 x14: 1fffe00036804802 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : c77e75592b5e9e00 x8 : c77e75592b5e9e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800098486578 x4 : ffff80008ed715e0 x3 : ffff8000805b98b4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4f0/0x874 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:642 device_del+0x6a8/0x87c drivers/base/core.c:3846 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2388 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1295 device_release_driver+0x28/0x38 drivers/base/dd.c:1318 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x87c drivers/base/core.c:3828 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x1a4/0x758 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+0x440/0x6a0 drivers/base/dd.c:1295 device_release_driver+0x28/0x38 drivers/base/dd.c:1318 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x87c drivers/base/core.c:3828 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1416 usb_disconnect+0x290/0x808 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+0x18ec/0x435c drivers/usb/core/hub.c:5865 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 71432 hardirqs last enabled at (71431): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (71431): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (71432): [] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625 softirqs last enabled at (42430): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (42430): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (42421): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 12 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 HID 045e:07da: Invalid code 65791 type 1 input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.000B/input/input12 microsoft 0003:045E:07DA.000B: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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