Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.465790][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.556012][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 26.675876][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 26.685797][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 244, changing to 11 [ 26.697709][ T94] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 26.706801][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.716320][ T94] usb 1-1: config 0 descriptor?? [ 26.757686][ T94] smsusb:smsusb_probe: board id=2, interface number 0 [ 26.807550][ T94] smsusb:siano_media_device_register: media controller created [ 26.816997][ T94] ------------[ cut here ]------------ [ 26.822507][ T94] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.828654][ T94] WARNING: CPU: 0 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 26.838173][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 26.844824][ T94] CPU: 0 PID: 94 Comm: kworker/0:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 26.852960][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.863136][ T94] Workqueue: usb_hub_wq hub_event [ 26.868157][ T94] Call Trace: [ 26.871432][ T94] dump_stack+0xef/0x16e [ 26.875683][ T94] ? usb_submit_urb+0x1090/0x1460 [ 26.880721][ T94] panic+0x2aa/0x6e1 [ 26.884615][ T94] ? add_taint.cold+0x16/0x16 [ 26.889400][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 26.894671][ T94] ? __warn.cold+0x14/0x30 [ 26.899083][ T94] ? __warn+0xd5/0x1c8 [ 26.903143][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.908155][ T94] __warn.cold+0x2f/0x30 [ 26.912438][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.917484][ T94] report_bug+0x27b/0x2f0 [ 26.921824][ T94] do_error_trap+0x12b/0x1e0 [ 26.926425][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.931500][ T94] do_invalid_op+0x32/0x40 [ 26.935904][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.940957][ T94] invalid_op+0x23/0x30 [ 26.945155][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 26.950786][ T94] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 26.970382][ T94] RSP: 0018:ffff8881d5ccef78 EFLAGS: 00010282 [ 26.976449][ T94] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 26.984418][ T94] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab99de1 [ 26.992389][ T94] RBP: ffff8881d4f35d50 R08: ffff8881d6a51880 R09: fffffbfff1266c8f [ 27.000412][ T94] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 0000000000000003 [ 27.008591][ T94] R13: ffff8881d23cd7c8 R14: ffff8881ce5bb0a0 R15: ffff8881cddde030 [ 27.016676][ T94] ? vprintk_func+0x7d/0x113 [ 27.021302][ T94] ? usb_submit_urb+0x1188/0x1460 [ 27.026428][ T94] smsusb_submit_urb+0x26d/0x390 [ 27.031349][ T94] smsusb_start_streaming+0x1f/0x87 [ 27.036542][ T94] smsusb_init_device+0x97f/0xae6 [ 27.041546][ T94] ? smsusb1_setmode.cold+0x2d/0x2d [ 27.046739][ T94] ? smsusb_disconnect+0x20/0x20 [ 27.051683][ T94] ? usb_hcd_reset_endpoint+0x196/0x250 [ 27.057215][ T94] smsusb_probe+0xd5f/0xdfd [ 27.061719][ T94] ? smsusb_init_device+0xae6/0xae6 [ 27.066941][ T94] ? __pm_runtime_set_status+0x5d5/0xa10 [ 27.072622][ T94] ? rpm_callback+0x230/0x230 [ 27.077299][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 27.082636][ T94] ? __pm_runtime_resume+0x111/0x180 [ 27.087963][ T94] usb_probe_interface+0x310/0x800 [ 27.093853][ T94] ? usb_probe_device+0x230/0x230 [ 27.099002][ T94] really_probe+0x290/0xac0 [ 27.103520][ T94] driver_probe_device+0x223/0x350 [ 27.108626][ T94] __device_attach_driver+0x1d1/0x290 [ 27.114040][ T94] ? driver_allows_async_probing+0x160/0x160 [ 27.120059][ T94] bus_for_each_drv+0x162/0x1e0 [ 27.125036][ T94] ? bus_rescan_devices+0x20/0x20 [ 27.130093][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.135881][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 27.141233][ T94] __device_attach+0x217/0x390 [ 27.145989][ T94] ? device_bind_driver+0xd0/0xd0 [ 27.151034][ T94] bus_probe_device+0x1e4/0x290 [ 27.155873][ T94] device_add+0x1459/0x1bf0 [ 27.160375][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 27.165672][ T94] ? device_link_remove+0x110/0x110 [ 27.170882][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.176808][ T94] usb_set_configuration+0xe47/0x17d0 [ 27.182181][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 27.187550][ T94] usb_probe_device+0xd9/0x230 [ 27.192298][ T94] ? usb_suspend+0x5f0/0x5f0 [ 27.196880][ T94] really_probe+0x290/0xac0 [ 27.201370][ T94] driver_probe_device+0x223/0x350 [ 27.206481][ T94] __device_attach_driver+0x1d1/0x290 [ 27.211927][ T94] ? driver_allows_async_probing+0x160/0x160 [ 27.217944][ T94] bus_for_each_drv+0x162/0x1e0 [ 27.222782][ T94] ? bus_rescan_devices+0x20/0x20 [ 27.227797][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.233597][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 27.238914][ T94] __device_attach+0x217/0x390 [ 27.243684][ T94] ? device_bind_driver+0xd0/0xd0 [ 27.248690][ T94] bus_probe_device+0x1e4/0x290 [ 27.253518][ T94] device_add+0x1459/0x1bf0 [ 27.258011][ T94] ? device_link_remove+0x110/0x110 [ 27.263210][ T94] usb_new_device.cold+0x540/0xcd0 [ 27.268322][ T94] hub_event+0x21cb/0x4300 [ 27.272727][ T94] ? hub_port_debounce+0x350/0x350 [ 27.277952][ T94] ? find_held_lock+0x2d/0x110 [ 27.282700][ T94] ? mark_held_locks+0xe0/0xe0 [ 27.287463][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.293018][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.298397][ T94] process_one_work+0x94b/0x1620 [ 27.303374][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.308754][ T94] ? do_raw_spin_lock+0x129/0x290 [ 27.313762][ T94] worker_thread+0x96/0xe20 [ 27.318310][ T94] ? process_one_work+0x1620/0x1620 [ 27.323502][ T94] kthread+0x318/0x420 [ 27.327563][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 27.332922][ T94] ret_from_fork+0x24/0x30 [ 27.338161][ T94] Kernel Offset: disabled [ 27.342693][ T94] Rebooting in 86400 seconds..