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 70A4A86AE2 for ; Wed, 7 Feb 2024 19:54:33 +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=1707335675; cv=none; b=EZnQ486lPvOepWgUeG2NFYdsORUZIccbK9rPk9BTcZNKWEZ3Ra6cg7c/iWLnLOdIZxI7auEoOkctoDlZZWNFywix4czwBtk52p0Y07dwpfp9vooI2QOjhrEYjfPuWQoTMgjKyx0jo9PcahSVrB28IwGOaj6y3fVNNo9kwPGu+4g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707335675; c=relaxed/simple; bh=hYThMK1Xf4I8228RVeu4sPoLLzyiRmJ6EGR1xxc8cw8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; 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List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1bc4:b0:363:cc27:74c with SMTP id x4-20020a056e021bc400b00363cc27074cmr540192ilv.4.1707335672617; Wed, 07 Feb 2024 11:54:32 -0800 (PST) Date: Wed, 07 Feb 2024 11:54:32 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000047631d0610d010c1@google.com> Subject: [syzbot] [input?] [usb?] WARNING in input_register_device (2) 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: 6613476e225e Linux 6.8-rc1 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes console output: https://syzkaller.appspot.com/x/log.txt?x=15ca9224180000 kernel config: https://syzkaller.appspot.com/x/.config?x=877e61347079aad5 dashboard link: https://syzkaller.appspot.com/bug?extid=8e41bb0c055b209ebbf4 compiler: riscv64-linux-gnu-gcc (Debian 12.2.0-13) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: riscv64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10b32118180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17dab048180000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/a741b348759c/non_bootable_disk-6613476e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/33ea806d02dd/vmlinux-6613476e.xz kernel image: https://storage.googleapis.com/syzbot-assets/33195f72f823/Image-6613476e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8e41bb0c055b209ebbf4@syzkaller.appspotmail.com WARNING: CPU: 0 PID: 8 at lib/kobject_uevent.c:671 add_uevent_var+0x282/0x296 lib/kobject_uevent.c:671 Modules linked in: CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: usb_hub_wq hub_event epc : add_uevent_var+0x282/0x296 lib/kobject_uevent.c:671 ra : add_uevent_var+0x282/0x296 lib/kobject_uevent.c:671 epc : ffffffff858325ec ra : ffffffff858325ec sp : ff20000000049b20 gp : ffffffff8863e320 tp : ff6000000c29ce00 t0 : ccb0ea972aeb292d t1 : ffe3ffff000092d8 t2 : ff6000000c29d8f8 s0 : ff20000000049c00 s1 : ff60000016d76000 a0 : 0000000000000001 a1 : 0000000000000000 a2 : 0000000000000002 a3 : ffffffff800b66fa a4 : 0000000000000000 a5 : 0000000000000000 a6 : 0000000000000003 a7 : ff200000000496c7 s2 : 0000000000000004 s3 : 1fe4000000009368 s4 : 1fec000002daec43 s5 : ff60000016d76218 s6 : 0000000000000006 s7 : 00000000000007fc s8 : ff60000016d76a1c s9 : 1fec000002daed43 s10: ffffffff885377c0 s11: ffffffff86b9c560 t3 : 0000000000000004 t4 : ffe3ffff000092d8 t5 : ffe3ffff000092d9 t6 : ff200000000496d8 status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003 [] add_uevent_var+0x282/0x296 lib/kobject_uevent.c:671 [] kobject_uevent_env+0xb0c/0x1378 lib/kobject_uevent.c:602 [] kobject_uevent+0x22/0x2e lib/kobject_uevent.c:642 [] device_add+0x10d2/0x186e drivers/base/core.c:3606 [] input_register_device+0x606/0xe9a drivers/input/input.c:2379 [] hidinput_connect+0x4c72/0x88a4 drivers/hid/hid-input.c:2355 [] hid_connect+0x11e0/0x15e0 drivers/hid/hid-core.c:2194 [] hid_hw_start drivers/hid/hid-core.c:2309 [inline] [] hid_hw_start+0xb6/0x13c drivers/hid/hid-core.c:2300 [] ms_probe+0x15e/0x4f0 drivers/hid/hid-microsoft.c:391 [] __hid_device_probe drivers/hid/hid-core.c:2633 [inline] [] hid_device_probe+0x2a4/0x3f2 drivers/hid/hid-core.c:2670 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] hid_add_device+0x374/0x9b2 drivers/hid/hid-core.c:2816 [] usbhid_probe+0xa50/0xf84 drivers/hid/usbhid/hid-core.c:1429 [] usb_probe_interface+0x2d4/0x8a2 drivers/usb/core/driver.c:399 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] usb_set_configuration+0xfe0/0x1b10 drivers/usb/core/message.c:2207 [] usb_generic_driver_probe+0xae/0x128 drivers/usb/core/generic.c:254 [] usb_probe_device+0xd6/0x340 drivers/usb/core/driver.c:294 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] usb_new_device+0x960/0x1648 drivers/usb/core/hub.c:2596 [] hub_port_connect drivers/usb/core/hub.c:5465 [inline] [] hub_port_connect_change drivers/usb/core/hub.c:5605 [inline] [] port_event drivers/usb/core/hub.c:5765 [inline] [] hub_event+0x2954/0x4756 drivers/usb/core/hub.c:5847 [] process_one_work+0x7ce/0x179c kernel/workqueue.c:2633 [] process_scheduled_works kernel/workqueue.c:2706 [inline] [] worker_thread+0xadc/0x10f8 kernel/workqueue.c:2787 [] kthread+0x28c/0x3a6 kernel/kthread.c:388 [] ret_from_fork+0xe/0x1c arch/riscv/kernel/entry.S:229 --- 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