Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. syzkaller login: [ 41.361523][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.601056][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 41.761111][ T83] usb 1-1: unable to get BOS descriptor or descriptor too short [ 41.841148][ T83] usb 1-1: config 164 has an invalid interface number: 4 but max is 0 [ 41.849405][ T83] usb 1-1: config 164 contains an unexpected descriptor of type 0x2, skipping [ 41.858439][ T83] usb 1-1: config 164 has 2 interfaces, different from the descriptor's value: 1 [ 41.867572][ T83] usb 1-1: config 164 has no interface number 1 [ 41.873877][ T83] usb 1-1: config 164 interface 4 altsetting 2 endpoint 0x7 has invalid maxpacket 1002, setting to 64 [ 41.884827][ T83] usb 1-1: too many endpoints for config 164 interface 0 altsetting 147: 138, using maximum allowed: 30 [ 41.895991][ T83] usb 1-1: config 164 interface 0 altsetting 147 has 0 endpoint descriptors, different from the interface descriptor's value: 138 [ 41.909368][ T83] usb 1-1: config 164 interface 4 has no altsetting 0 [ 41.916144][ T83] usb 1-1: config 164 interface 0 has no altsetting 0 [ 42.161116][ T83] usb 1-1: string descriptor 0 read error: -22 [ 42.167329][ T83] usb 1-1: New USB device found, idVendor=2040, idProduct=c613, bcdDevice=c7.a6 [ 42.176395][ T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 42.228032][ T83] usb 1-1: dvb_usb_v2: found a 'Hauppauge WinTV-Aero-M' in warm state [ 42.240078][ T83] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 42.250653][ T83] dvbdev: DVB: registering new adapter (Hauppauge WinTV-Aero-M) [ 42.258370][ T83] usb 1-1: media controller created [ 42.267148][ T83] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 42.281978][ T83] usb 1-1: selecting invalid altsetting 1 [ 42.287702][ T83] set interface failed [ 42.287709][ T83] ------------[ cut here ]------------ [ 42.297393][ T83] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [ 42.297423][ T83] WARNING: CPU: 1 PID: 83 at kernel/locking/mutex.c:938 __mutex_lock+0xd31/0x1360 [ 42.312382][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 42.318960][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 42.325951][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.335997][ T83] Workqueue: usb_hub_wq hub_event [ 42.340990][ T83] Call Trace: [ 42.344257][ T83] dump_stack+0xca/0x13e [ 42.348472][ T83] ? __mutex_lock+0xd30/0x1360 [ 42.353208][ T83] panic+0x2a3/0x6da [ 42.357079][ T83] ? add_taint.cold+0x16/0x16 [ 42.361726][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 42.366983][ T83] ? __warn.cold+0x5/0x4a [ 42.371296][ T83] ? __warn+0xe3/0x1e0 [ 42.375337][ T83] ? __mutex_lock+0xd31/0x1360 [ 42.380071][ T83] __warn.cold+0x20/0x4a [ 42.384285][ T83] ? __mutex_lock+0xd31/0x1360 [ 42.389019][ T83] report_bug+0x262/0x2a0 [ 42.393335][ T83] do_error_trap+0x12b/0x1e0 [ 42.397895][ T83] ? __mutex_lock+0xd31/0x1360 [ 42.402632][ T83] do_invalid_op+0x32/0x40 [ 42.407020][ T83] ? __mutex_lock+0xd31/0x1360 [ 42.411754][ T83] invalid_op+0x23/0x30 [ 42.415883][ T83] RIP: 0010:__mutex_lock+0xd31/0x1360 [ 42.421228][ T83] Code: d2 0f 85 f6 05 00 00 44 8b 05 8b ff 19 02 45 85 c0 0f 85 0a f4 ff ff 48 c7 c6 20 9a c6 85 48 c7 c7 c0 97 c6 85 e8 b4 71 a3 fb <0f> 0b e9 f0 f3 ff ff 65 48 8b 1c 25 00 ef 01 00 be 08 00 00 00 48 [ 42.440803][ T83] RSP: 0018:ffff8881d93d6f40 EFLAGS: 00010282 [ 42.446854][ T83] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.454811][ T83] RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103b27adda [ 42.462768][ T83] RBP: ffff8881d93d70b0 R08: ffff8881d92ab000 R09: fffffbfff0d9ea89 [ 42.470710][ T83] R10: fffffbfff0d9ea88 R11: ffffffff86cf5443 R12: 0000000000000000 [ 42.478669][ T83] R13: dffffc0000000000 R14: ffff8881d3500648 R15: ffff8881d3500648 [ 42.486618][ T83] ? vprintk_func+0x7d/0x113 [ 42.491180][ T83] ? mxl111sf_ctrl_msg+0xb8/0x210 [ 42.496177][ T83] ? find_held_lock+0x2d/0x110 [ 42.500914][ T83] ? vprintk_emit+0xe2/0x3e0 [ 42.505485][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 42.510236][ T83] ? mark_lock+0xbc/0x1160 [ 42.514748][ T83] ? mark_held_locks+0x9f/0xe0 [ 42.519489][ T83] ? vprintk_emit+0x112/0x3e0 [ 42.524164][ T83] ? mxl111sf_ctrl_msg+0xb8/0x210 [ 42.529162][ T83] mxl111sf_ctrl_msg+0xb8/0x210 [ 42.533988][ T83] mxl111sf_write_reg+0x8b/0x120 [ 42.538900][ T83] ? mxl111sf_frontend_attach_mercury_mh+0x940/0x940 [ 42.545548][ T83] ? usb_set_interface+0x79c/0xa50 [ 42.550632][ T83] mxl1x1sf_soft_reset+0x6b/0x190 [ 42.555629][ T83] mxl111sf_lgdt3305_frontend_attach.constprop.0+0x23e/0x790 [ 42.562981][ T83] mxl111sf_frontend_attach_mercury+0x13/0x70 [ 42.569017][ T83] ? mxl111sf_lg2161_ep6_frontend_attach+0x960/0x960 [ 42.575671][ T83] dvb_usbv2_probe.cold+0x1e04/0x2567 [ 42.581015][ T83] ? dvb_usb_start_feed+0xb60/0xb60 [ 42.586193][ T83] ? rpm_callback+0x230/0x230 [ 42.590843][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 42.596100][ T83] ? __pm_runtime_resume+0x111/0x180 [ 42.601356][ T83] usb_probe_interface+0x305/0x7a0 [ 42.606440][ T83] ? usb_probe_device+0x100/0x100 [ 42.611437][ T83] really_probe+0x281/0x6d0 [ 42.615910][ T83] driver_probe_device+0x101/0x1b0 [ 42.620996][ T83] __device_attach_driver+0x1c2/0x220 [ 42.626339][ T83] ? driver_allows_async_probing+0x160/0x160 [ 42.632303][ T83] bus_for_each_drv+0x162/0x1e0 [ 42.637125][ T83] ? bus_rescan_devices+0x20/0x20 [ 42.642123][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.647899][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 42.653155][ T83] __device_attach+0x217/0x360 [ 42.657896][ T83] ? device_bind_driver+0xd0/0xd0 [ 42.662892][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 42.668159][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 42.673414][ T83] bus_probe_device+0x1e4/0x290 [ 42.678238][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.684103][ T83] device_add+0xae6/0x16f0 [ 42.688490][ T83] ? uevent_store+0x50/0x50 [ 42.692966][ T83] ? create_intf_ep_devs+0x1ba/0x230 [ 42.698222][ T83] usb_set_configuration+0xdf6/0x1670 [ 42.703569][ T83] generic_probe+0x9d/0xd5 [ 42.707960][ T83] usb_probe_device+0x99/0x100 [ 42.712708][ T83] ? usb_suspend+0x620/0x620 [ 42.717275][ T83] really_probe+0x281/0x6d0 [ 42.721757][ T83] driver_probe_device+0x101/0x1b0 [ 42.726846][ T83] __device_attach_driver+0x1c2/0x220 [ 42.732231][ T83] ? driver_allows_async_probing+0x160/0x160 [ 42.738184][ T83] bus_for_each_drv+0x162/0x1e0 [ 42.743011][ T83] ? bus_rescan_devices+0x20/0x20 [ 42.748008][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.753786][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 42.759043][ T83] __device_attach+0x217/0x360 [ 42.763780][ T83] ? device_bind_driver+0xd0/0xd0 [ 42.768774][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 42.774031][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 42.779285][ T83] bus_probe_device+0x1e4/0x290 [ 42.784114][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.789990][ T83] device_add+0xae6/0x16f0 [ 42.794392][ T83] ? uevent_store+0x50/0x50 [ 42.798894][ T83] usb_new_device.cold+0x6a4/0xe79 [ 42.803985][ T83] hub_event+0x1b5c/0x3640 [ 42.808383][ T83] ? hub_port_debounce+0x260/0x260 [ 42.813467][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.818983][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.824240][ T83] process_one_work+0x92b/0x1530 [ 42.829161][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 42.834502][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 42.839517][ T83] worker_thread+0x96/0xe20 [ 42.843995][ T83] ? process_one_work+0x1530/0x1530 [ 42.849165][ T83] kthread+0x318/0x420 [ 42.853207][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 42.858578][ T83] ret_from_fork+0x24/0x30 [ 42.863027][ T83] Kernel Offset: disabled [ 42.867330][ T83] Rebooting in 86400 seconds..