[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.89' (ECDSA) to the list of known hosts. syzkaller login: [ 70.470243][ T3172] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 70.870227][ T3172] usb 1-1: unable to get BOS descriptor or descriptor too short [ 70.950390][ T3172] usb 1-1: config 129 has an invalid interface number: 90 but max is 2 [ 70.958786][ T3172] usb 1-1: config 129 has an invalid interface descriptor of length 2, skipping [ 70.968281][ T3172] usb 1-1: config 129 contains an unexpected descriptor of type 0x2, skipping [ 70.977393][ T3172] usb 1-1: config 129 has an invalid interface descriptor of length 2, skipping [ 70.986839][ T3172] usb 1-1: config 129 has an invalid interface number: 120 but max is 2 [ 70.995493][ T3172] usb 1-1: config 129 has an invalid interface number: 143 but max is 2 [ 71.004203][ T3172] usb 1-1: config 129 contains an unexpected descriptor of type 0x2, skipping [ 71.017794][ T3172] usb 1-1: config 129 has an invalid descriptor of length 1, skipping remainder of the config [ 71.028161][ T3172] usb 1-1: config 129 has no interface number 0 [ 71.034582][ T3172] usb 1-1: config 129 has no interface number 1 [ 71.040979][ T3172] usb 1-1: config 129 has no interface number 2 [ 71.047251][ T3172] usb 1-1: config 129 interface 90 altsetting 9 has a duplicate endpoint with address 0x7, skipping [ 71.058111][ T3172] usb 1-1: config 129 interface 90 altsetting 9 endpoint 0xB has invalid maxpacket 512, setting to 64 [ 71.069203][ T3172] usb 1-1: config 129 interface 90 altsetting 9 has 4 endpoint descriptors, different from the interface descriptor's value: 15 [ 71.082529][ T3172] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0x6 has invalid maxpacket 1036, setting to 1024 [ 71.094206][ T3172] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0xC has invalid maxpacket 512, setting to 64 [ 71.106056][ T3172] usb 1-1: config 129 interface 120 altsetting 6 bulk endpoint 0x4 has invalid maxpacket 32 [ 71.117184][ T3172] usb 1-1: config 129 interface 120 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 71.128811][ T3172] usb 1-1: config 129 interface 120 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 71.140646][ T3172] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0xD has an invalid bInterval 129, changing to 11 [ 71.152897][ T3172] usb 1-1: config 129 interface 120 altsetting 6 has 8 endpoint descriptors, different from the interface descriptor's value: 7 [ 71.166868][ T3172] usb 1-1: config 129 interface 143 altsetting 252 has 0 endpoint descriptors, different from the interface descriptor's value: 12 [ 71.181168][ T3172] usb 1-1: config 129 interface 90 has no altsetting 0 [ 71.188014][ T3172] usb 1-1: config 129 interface 120 has no altsetting 0 [ 71.196249][ T3172] usb 1-1: config 129 interface 143 has no altsetting 0 [ 71.440186][ T3172] usb 1-1: string descriptor 0 read error: -22 [ 71.446688][ T3172] usb 1-1: New USB device found, idVendor=0711, idProduct=0950, bcdDevice=e2.40 [ 71.457521][ T3172] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 71.513505][ T3172] usb 1-1: USB2VGA dongle found at address 2 [ 71.533692][ T3172] usb 1-1: Allocated 8 output buffers [ 71.539088][ T3172] ------------[ cut here ]------------ [ 71.549605][ T3172] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 71.556830][ T3172] WARNING: CPU: 1 PID: 3172 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 [ 71.567365][ T3172] Modules linked in: [ 71.572411][ T3172] CPU: 1 PID: 3172 Comm: kworker/1:2 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 71.582998][ T3172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.593863][ T3172] Workqueue: usb_hub_wq hub_event [ 71.598963][ T3172] RIP: 0010:usb_submit_urb+0xd27/0x1540 [ 71.605350][ T3172] Code: 84 d4 02 00 00 e8 f9 73 25 fc 4c 89 ef e8 21 bd 0d ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 80 da 26 8a e8 b4 5f 8b 03 <0f> 0b e9 81 f8 ff ff e8 cd 73 25 fc 48 81 c5 40 06 00 00 e9 ad f7 [ 71.625818][ T3172] RSP: 0018:ffffc900024c6db8 EFLAGS: 00010282 [ 71.632110][ T3172] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 71.640367][ T3172] RDX: ffff88801fce3900 RSI: ffffffff815dbea5 RDI: fffff52000498da9 [ 71.648355][ T3172] RBP: ffff888030921990 R08: 0000000000000000 R09: 0000000000000000 [ 71.656596][ T3172] R10: ffffffff815d5cee R11: 0000000000000000 R12: 0000000000000003