[ 12.745437][ C0] random: crng init done [ 12.746395][ C0] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 21.921475][ T376] can: request_module (can-proto-0) failed. [ 22.296120][ T376] can: request_module (can-proto-0) failed. [ 22.306019][ T376] can: request_module (can-proto-7) failed. [ 22.315535][ T376] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2020/04/24 02:08:54 parsed 1 programs 2020/04/24 02:08:55 executed programs: 0 [ 29.656735][ T546] cgroup: Unknown subsys name 'perf_event' [ 29.661888][ T550] cgroup: Unknown subsys name 'perf_event' [ 29.664094][ T549] cgroup: Unknown subsys name 'perf_event' [ 29.672943][ T552] cgroup: Unknown subsys name 'perf_event' [ 29.677488][ T545] cgroup: Unknown subsys name 'perf_event' [ 29.685550][ T553] cgroup: Unknown subsys name 'perf_event' [ 29.688539][ T545] cgroup: Unknown subsys name 'net_cls' [ 29.693029][ T550] cgroup: Unknown subsys name 'net_cls' [ 29.698635][ T549] cgroup: Unknown subsys name 'net_cls' [ 29.703664][ T552] cgroup: Unknown subsys name 'net_cls' [ 29.710406][ T546] cgroup: Unknown subsys name 'net_cls' [ 29.715296][ T553] cgroup: Unknown subsys name 'net_cls' [ 37.535126][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.635426][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 37.695135][ T94] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 37.765293][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 37.776751][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 37.786773][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 37.799786][ T12] usb 1-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 37.808885][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.816962][ T94] usb 3-1: Using ep0 maxpacket: 8 [ 37.822030][ T5] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 37.829562][ T3187] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 37.839022][ T12] usb 1-1: config 0 descriptor?? [ 37.904957][ T3227] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 37.935169][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 37.940608][ T3187] usb 2-1: Using ep0 maxpacket: 8 [ 37.954934][ T102] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 37.955089][ T94] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 37.973687][ T94] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 37.983573][ T94] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 37.997532][ T94] usb 3-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 38.006721][ T94] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.016169][ T94] usb 3-1: config 0 descriptor?? [ 38.055168][ T3227] usb 6-1: Using ep0 maxpacket: 8 [ 38.065135][ T102] usb 5-1: Using ep0 maxpacket: 8 [ 38.085240][ T3187] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 38.096728][ T3187] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 38.106678][ T3187] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.119606][ T3187] usb 2-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 38.128772][ T3187] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.136950][ T5] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 38.148118][ T5] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 38.157901][ T5] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.170980][ T5] usb 4-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 38.180077][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.189853][ T3187] usb 2-1: config 0 descriptor?? [ 38.196658][ T5] usb 4-1: config 0 descriptor?? [ 38.200814][ T102] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 38.212820][ T102] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 38.222693][ T102] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.235615][ T102] usb 5-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 38.244942][ T102] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.257160][ T102] usb 5-1: config 0 descriptor?? [ 38.265441][ T3227] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11 [ 38.276617][ T3227] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 38.286377][ T3227] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 38.299198][ T3227] usb 6-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00 [ 38.308275][ T3227] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.318450][ T3227] usb 6-1: config 0 descriptor?? [ 38.396740][ T12] keytouch 0003:0926:3333.0001: fixing up Keytouch IEC report descriptor [ 38.407877][ T12] input: HID 0926:3333 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:0926:3333.0001/input/input5 [ 38.475705][ T94] keytouch 0003:0926:3333.0002: fixing up Keytouch IEC report descriptor [ 38.490257][ T94] input: HID 0926:3333 as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.0/0003:0926:3333.0002/input/input6 [ 38.506033][ T12] keytouch 0003:0926:3333.0001: input,hidraw0: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.0-1/input0 [ 38.595544][ T3126] udc-core: couldn't find an available UDC or it's busy [ 38.602543][ T3126] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 38.621212][ T94] keytouch 0003:0926:3333.0002: input,hidraw1: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.2-1/input0 [ 38.675837][ T3187] keytouch 0003:0926:3333.0003: fixing up Keytouch IEC report descriptor [ 38.686935][ T5] keytouch 0003:0926:3333.0004: fixing up Keytouch IEC report descriptor [ 38.696867][ T5] input: HID 0926:3333 as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:0926:3333.0004/input/input7 [ 38.711918][ T3187] input: HID 0926:3333 as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/0003:0926:3333.0003/input/input8 [ 38.727567][ T3286] udc-core: couldn't find an available UDC or it's busy [ 38.734537][ T3286] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 38.745882][ T102] keytouch 0003:0926:3333.0005: fixing up Keytouch IEC report descriptor [ 38.756661][ T102] input: HID 0926:3333 as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.0/0003:0926:3333.0005/input/input9 [ 38.795946][ T3227] keytouch 0003:0926:3333.0006: fixing up Keytouch IEC report descriptor [ 38.816717][ T3227] input: HID 0926:3333 as /devices/platform/dummy_hcd.5/usb6/6-1/6-1:0.0/0003:0926:3333.0006/input/input10 [ 38.920835][ T3294] udc-core: couldn't find an available UDC or it's busy [ 38.921055][ T3295] udc-core: couldn't find an available UDC or it's busy [ 38.928023][ T3294] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 38.934904][ T3295] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 38.990931][ T3296] udc-core: couldn't find an available UDC or it's busy [ 38.998146][ T3296] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 39.040851][ T3297] udc-core: couldn't find an available UDC or it's busy [ 39.047898][ T3297] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 39.515244][ T94] ------------[ cut here ]------------ [ 39.520908][ T94] usb 1-1: Device reset [ 39.525314][ T94] WARNING: CPU: 0 PID: 94 at drivers/usb/core/hub.c:5761 usb_reset_and_verify_device+0x37d/0xce0 [ 39.535937][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 39.542519][ T94] CPU: 0 PID: 94 Comm: kworker/0:2 Not tainted 5.6.0-rc7-syzkaller #0 [ 39.550693][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.560737][ T94] Workqueue: events __usb_queue_reset_device [ 39.566694][ T94] Call Trace: [ 39.570026][ T94] dump_stack+0xef/0x16e [ 39.574290][ T94] ? usb_reset_and_verify_device+0x2c0/0xce0 [ 39.580266][ T94] panic+0x2aa/0x6e1 [ 39.584138][ T94] ? add_taint.cold+0x16/0x16 [ 39.588799][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 39.594066][ T94] ? __warn.cold+0x14/0x30 [ 39.598465][ T94] ? __warn+0xd5/0x1c8 [ 39.602527][ T94] ? usb_reset_and_verify_device+0x37d/0xce0 [ 39.608495][ T94] __warn.cold+0x2f/0x30 [ 39.612724][ T94] ? usb_reset_and_verify_device+0x37d/0xce0 [ 39.618677][ T94] report_bug+0x27b/0x2f0 [ 39.623004][ T94] do_error_trap+0x12b/0x1e0 [ 39.627576][ T94] ? usb_reset_and_verify_device+0x37d/0xce0 [ 39.633549][ T94] do_invalid_op+0x32/0x40 [ 39.637944][ T94] ? usb_reset_and_verify_device+0x37d/0xce0 [ 39.643907][ T94] invalid_op+0x23/0x30 [ 39.648064][ T94] RIP: 0010:usb_reset_and_verify_device+0x37d/0xce0 [ 39.654640][ T94] Code: 0f 84 9e 06 00 00 e8 82 89 df fd 49 8d bc 24 a8 00 00 00 e8 85 59 19 ff 4c 89 ea 48 c7 c7 e0 86 3b 86 48 89 c6 e8 2b 1a b4 fd <0f> 0b 4d 89 e5 4c 89 34 24 44 8b 74 24 3c 48 b8 00 00 00 00 00 fc [ 39.674425][ T94] RSP: 0018:ffff8881d5d7fb98 EFLAGS: 00010286 [ 39.680472][ T94] RAX: 0000000000000000 RBX: ffff8881d4d70000 RCX: 0000000000000000 [ 39.688430][ T94] RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed103abaff65 [ 39.696399][ T94] RBP: 0000000000000000 R08: ffff8881d6b01880 R09: ffffed103b646248 [ 39.704346][ T94] R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881d8f1e000 [ 39.712302][ T94] R13: ffff8881c9381900 R14: ffff8881d4ce5000 R15: ffff8881d8f1e560 [ 39.720282][ T94] ? vprintk_func+0x7d/0x113 [ 39.724867][ T94] ? usb_reset_and_verify_device+0x37d/0xce0 [ 39.730830][ T94] ? _cond_resched+0x10/0x20 [ 39.735404][ T94] ? usb_kill_urb+0x198/0x2c0 [ 39.740064][ T94] ? del_timer+0x100/0x100 [ 39.744476][ T94] ? hub_port_init+0x2e00/0x2e00 [ 39.749400][ T94] ? mark_held_locks+0x9f/0xe0 [ 39.754142][ T94] ? detach_if_pending+0x420/0x4c0 [ 39.759231][ T94] usb_reset_device+0x4bb/0x960 [ 39.764074][ T94] __usb_queue_reset_device+0x68/0x90 [ 39.769427][ T94] process_one_work+0x94b/0x1620 [ 39.774350][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.779709][ T94] ? do_raw_spin_lock+0x129/0x290 [ 39.784711][ T94] worker_thread+0x96/0xe20 [ 39.789198][ T94] ? process_one_work+0x1620/0x1620 [ 39.794389][ T94] kthread+0x318/0x420 [ 39.798457][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 39.803813][ T94] ret_from_fork+0x24/0x30 [ 39.809127][ T94] Kernel Offset: disabled [ 39.813484][ T94] Rebooting in 86400 seconds..