Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 92.031757][ T2851] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 92.431889][ T2851] usb 1-1: unable to get BOS descriptor or descriptor too short [ 92.511918][ T2851] usb 1-1: config 0 has an invalid interface number: 93 but max is 0 [ 92.520077][ T2851] usb 1-1: config 0 has no interface number 0 [ 92.526329][ T2851] usb 1-1: config 0 interface 93 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 92.536978][ T2851] usb 1-1: config 0 interface 93 altsetting 4 has an invalid endpoint descriptor of length 2, skipping [ 92.548168][ T2851] usb 1-1: config 0 interface 93 altsetting 4 has 2 endpoint descriptors, different from the interface descriptor's value: 1 [ 92.561256][ T2851] usb 1-1: config 0 interface 93 has no altsetting 0 [ 92.801908][ T2851] usb 1-1: string descriptor 0 read error: -22 [ 92.808186][ T2851] usb 1-1: New USB device found, idVendor=13b1, idProduct=0011, bcdDevice=8d.17 [ 92.817395][ T2851] usb 1-1: New USB device strings: Mfr=140, Product=0, SerialNumber=0 [ 92.826863][ T2851] usb 1-1: config 0 descriptor?? executing program [ 93.391825][ T2851] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 93.931911][ T2851] usb 1-1: unable to get BOS descriptor or descriptor too short executing program [ 94.231894][ T2851] usb 1-1: failed to restore interface 93 altsetting 4 (error=-71) [ 94.240736][ T2851] ieee80211 phy3: rt2x00usb_vendor_request: Error - Vendor Request 0x09 failed for offset 0x0000 with error -19 [ 94.253132][ T2851] ================================================================== [ 94.261228][ T2851] BUG: KMSAN: uninit-value in rt2500usb_bbp_read+0x188/0x6d0 [ 94.268617][ T2851] CPU: 0 PID: 2851 Comm: kworker/0:2 Not tainted 5.3.0-rc3+ #17 [ 94.276223][ T2851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.286266][ T2851] Workqueue: usb_hub_wq hub_event [ 94.291284][ T2851] Call Trace: [ 94.294584][ T2851] dump_stack+0x191/0x1f0 [ 94.298918][ T2851] kmsan_report+0x162/0x2d0 [ 94.303400][ T2851] __msan_warning+0x75/0xe0 [ 94.307885][ T2851] rt2500usb_bbp_read+0x188/0x6d0 [ 94.312900][ T2851] rt2500usb_probe_hw+0x3b5/0x22a0 [ 94.318014][ T2851] ? rt2500usb_queue_init+0x1e0/0x1e0 [ 94.323373][ T2851] ? rt2500usb_queue_init+0x1e0/0x1e0 [ 94.328771][ T2851] rt2x00lib_probe_dev+0xba9/0x3260 [ 94.333974][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.339935][ T2851] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 94.346067][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.352033][ T2851] rt2x00usb_probe+0x7ae/0xf60 [ 94.356796][ T2851] ? mutex_unlock+0x38/0x90 [ 94.361302][ T2851] rt2500usb_probe+0x50/0x60 [ 94.365873][ T2851] ? rt2800_brightness_set+0xf20/0xf20 [ 94.371312][ T2851] usb_probe_interface+0xd19/0x1310 [ 94.376511][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.382469][ T2851] ? usb_register_driver+0x7d0/0x7d0 [ 94.387748][ T2851] really_probe+0x1373/0x1dc0 [ 94.392411][ T2851] driver_probe_device+0x1ba/0x510 [ 94.397508][ T2851] __device_attach_driver+0x5b8/0x790 [ 94.402864][ T2851] ? bus_for_each_drv+0x1d5/0x3b0 [ 94.407876][ T2851] bus_for_each_drv+0x28e/0x3b0 [ 94.412704][ T2851] ? deferred_probe_work_func+0x400/0x400 [ 94.418411][ T2851] __device_attach+0x489/0x750 [ 94.423161][ T2851] device_initial_probe+0x4a/0x60 [ 94.428187][ T2851] bus_probe_device+0x131/0x390 [ 94.433034][ T2851] device_add+0x25b5/0x2df0 [ 94.437529][ T2851] ? usb_set_configuration+0x3036/0x3710 [ 94.443151][ T2851] usb_set_configuration+0x309f/0x3710 [ 94.448647][ T2851] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 94.454718][ T2851] generic_probe+0xe7/0x280 [ 94.459313][ T2851] ? usb_probe_device+0x104/0x200 [ 94.464320][ T2851] ? usb_choose_configuration+0xae0/0xae0 [ 94.470018][ T2851] usb_probe_device+0x146/0x200 [ 94.474849][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.480809][ T2851] ? usb_register_device_driver+0x470/0x470 [ 94.486703][ T2851] really_probe+0x1373/0x1dc0 [ 94.491369][ T2851] driver_probe_device+0x1ba/0x510 [ 94.496502][ T2851] __device_attach_driver+0x5b8/0x790 [ 94.501968][ T2851] ? bus_for_each_drv+0x1d5/0x3b0 [ 94.506972][ T2851] bus_for_each_drv+0x28e/0x3b0 [ 94.511800][ T2851] ? deferred_probe_work_func+0x400/0x400 [ 94.517619][ T2851] __device_attach+0x489/0x750 [ 94.522372][ T2851] device_initial_probe+0x4a/0x60 [ 94.527376][ T2851] bus_probe_device+0x131/0x390 [ 94.532231][ T2851] device_add+0x25b5/0x2df0 [ 94.536729][ T2851] usb_new_device+0x23e5/0x2fb0 [ 94.541581][ T2851] hub_event+0x581d/0x72f0 [ 94.546014][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.551972][ T2851] ? led_work+0x720/0x720 [ 94.556277][ T2851] ? led_work+0x720/0x720 [ 94.560607][ T2851] process_one_work+0x1572/0x1ef0 [ 94.565645][ T2851] worker_thread+0x111b/0x2460 [ 94.570400][ T2851] kthread+0x4b5/0x4f0 [ 94.574446][ T2851] ? process_one_work+0x1ef0/0x1ef0 [ 94.579630][ T2851] ? kthread_blkcg+0xf0/0xf0 [ 94.584199][ T2851] ret_from_fork+0x35/0x40 [ 94.588596][ T2851] [ 94.590921][ T2851] Local variable description: ----reg.i.i@rt2500usb_bbp_read [ 94.598264][ T2851] Variable was created at: [ 94.602659][ T2851] rt2500usb_bbp_read+0xb0/0x6d0 [ 94.607575][ T2851] rt2500usb_probe_hw+0x3b5/0x22a0 [ 94.612658][ T2851] ================================================================== [ 94.620690][ T2851] Disabling lock debugging due to kernel taint [ 94.626815][ T2851] Kernel panic - not syncing: panic_on_warn set ... [ 94.633381][ T2851] CPU: 0 PID: 2851 Comm: kworker/0:2 Tainted: G B 5.3.0-rc3+ #17 [ 94.642374][ T2851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.652416][ T2851] Workqueue: usb_hub_wq hub_event [ 94.657417][ T2851] Call Trace: [ 94.660689][ T2851] dump_stack+0x191/0x1f0 [ 94.665023][ T2851] panic+0x3c9/0xc1e [ 94.668916][ T2851] kmsan_report+0x2ca/0x2d0 [ 94.673400][ T2851] __msan_warning+0x75/0xe0 [ 94.677898][ T2851] rt2500usb_bbp_read+0x188/0x6d0 [ 94.682906][ T2851] rt2500usb_probe_hw+0x3b5/0x22a0 [ 94.688001][ T2851] ? rt2500usb_queue_init+0x1e0/0x1e0 [ 94.693455][ T2851] ? rt2500usb_queue_init+0x1e0/0x1e0 [ 94.698827][ T2851] rt2x00lib_probe_dev+0xba9/0x3260 [ 94.704032][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.710005][ T2851] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 94.716154][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.722122][ T2851] rt2x00usb_probe+0x7ae/0xf60 [ 94.726867][ T2851] ? mutex_unlock+0x38/0x90 [ 94.731351][ T2851] rt2500usb_probe+0x50/0x60 [ 94.736004][ T2851] ? rt2800_brightness_set+0xf20/0xf20 [ 94.741441][ T2851] usb_probe_interface+0xd19/0x1310 [ 94.746628][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.752596][ T2851] ? usb_register_driver+0x7d0/0x7d0 [ 94.757881][ T2851] really_probe+0x1373/0x1dc0 [ 94.762552][ T2851] driver_probe_device+0x1ba/0x510 [ 94.767649][ T2851] __device_attach_driver+0x5b8/0x790 [ 94.773001][ T2851] ? bus_for_each_drv+0x1d5/0x3b0 [ 94.778017][ T2851] bus_for_each_drv+0x28e/0x3b0 [ 94.782860][ T2851] ? deferred_probe_work_func+0x400/0x400 [ 94.788569][ T2851] __device_attach+0x489/0x750 [ 94.793319][ T2851] device_initial_probe+0x4a/0x60 [ 94.798321][ T2851] bus_probe_device+0x131/0x390 [ 94.803153][ T2851] device_add+0x25b5/0x2df0 [ 94.807648][ T2851] ? usb_set_configuration+0x3036/0x3710 [ 94.813784][ T2851] usb_set_configuration+0x309f/0x3710 [ 94.819270][ T2851] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 94.825443][ T2851] generic_probe+0xe7/0x280 [ 94.829946][ T2851] ? usb_probe_device+0x104/0x200 [ 94.834975][ T2851] ? usb_choose_configuration+0xae0/0xae0 [ 94.840671][ T2851] usb_probe_device+0x146/0x200 [ 94.845500][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.851459][ T2851] ? usb_register_device_driver+0x470/0x470 [ 94.857329][ T2851] really_probe+0x1373/0x1dc0 [ 94.861990][ T2851] driver_probe_device+0x1ba/0x510 [ 94.867084][ T2851] __device_attach_driver+0x5b8/0x790 [ 94.872453][ T2851] ? bus_for_each_drv+0x1d5/0x3b0 [ 94.877475][ T2851] bus_for_each_drv+0x28e/0x3b0 [ 94.882326][ T2851] ? deferred_probe_work_func+0x400/0x400 [ 94.888032][ T2851] __device_attach+0x489/0x750 [ 94.892801][ T2851] device_initial_probe+0x4a/0x60 [ 94.897813][ T2851] bus_probe_device+0x131/0x390 [ 94.902660][ T2851] device_add+0x25b5/0x2df0 [ 94.907157][ T2851] usb_new_device+0x23e5/0x2fb0 [ 94.912000][ T2851] hub_event+0x581d/0x72f0 [ 94.916420][ T2851] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 94.922375][ T2851] ? led_work+0x720/0x720 [ 94.926679][ T2851] ? led_work+0x720/0x720 [ 94.930988][ T2851] process_one_work+0x1572/0x1ef0 [ 94.936003][ T2851] worker_thread+0x111b/0x2460 [ 94.940762][ T2851] kthread+0x4b5/0x4f0 [ 94.944808][ T2851] ? process_one_work+0x1ef0/0x1ef0 [ 94.949988][ T2851] ? kthread_blkcg+0xf0/0xf0 [ 94.954561][ T2851] ret_from_fork+0x35/0x40 [ 94.959664][ T2851] Kernel Offset: disabled [ 94.963999][ T2851] Rebooting in 86400 seconds..