Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. syzkaller login: [ 26.167409][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.406966][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 26.527093][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8 has wMaxPacketSize 0, skipping [ 26.537058][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x7 has wMaxPacketSize 0, skipping [ 26.546910][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x87 has invalid maxpacket 2 [ 26.556627][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8D has wMaxPacketSize 0, skipping [ 26.637087][ T12] usb 1-1: New USB device found, idVendor=8086, idProduct=0181, bcdDevice=46.8f [ 26.646993][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=32 [ 26.655037][ T12] usb 1-1: SerialNumber: syz [ 26.660923][ T12] usb 1-1: config 0 descriptor?? [ 26.677212][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 26.698644][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.706682][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.714786][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.723003][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.731299][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.739409][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.747490][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.755472][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.763515][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.771538][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.779611][ T12] i2400m_usb 1-1:0.0: E: __i2400mu_send_barker: maximum errors in URB exceeded; resetting device [ 26.790182][ T12] i2400m_usb 1-1:0.0: warm reset failed (-8); trying USB reset [ 26.797860][ T12] ------------[ cut here ]------------ [ 26.803305][ T12] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 26.809348][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.818787][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.825349][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 26.832689][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.842725][ T12] Workqueue: usb_hub_wq hub_event [ 26.847722][ T12] Call Trace: [ 26.850990][ T12] dump_stack+0xca/0x13e [ 26.855292][ T12] ? usb_submit_urb+0x10c0/0x13b0 [ 26.860291][ T12] panic+0x2aa/0x6e1 [ 26.864161][ T12] ? add_taint.cold+0x16/0x16 [ 26.868901][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 26.874161][ T12] ? __warn.cold+0x14/0x33 [ 26.878550][ T12] ? __warn+0xd5/0x1d0 [ 26.882593][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.887589][ T12] __warn.cold+0x2f/0x33 [ 26.891806][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.896804][ T12] report_b