[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. syzkaller login: [ 64.717562][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 64.957406][ T17] usb 1-1: Using ep0 maxpacket: 16 [ 65.078159][ T17] usb 1-1: config 0 has an invalid interface number: 251 but max is 1 [ 65.086467][ T17] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 65.095607][ T17] usb 1-1: config 0 has an invalid interface number: 252 but max is 1 [ 65.104329][ T17] usb 1-1: config 0 has no interface number 0 [ 65.110615][ T17] usb 1-1: config 0 has no interface number 1 [ 65.116724][ T17] usb 1-1: config 0 interface 251 altsetting 0 endpoint 0xC has an invalid bInterval 42, changing to 9 [ 65.128025][ T17] usb 1-1: config 0 interface 251 altsetting 0 endpoint 0x1 has invalid maxpacket 1024, setting to 64 [ 65.139195][ T17] usb 1-1: config 0 interface 251 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 65.150001][ T17] usb 1-1: config 0 interface 251 altsetting 0 endpoint 0xE has invalid maxpacket 512, setting to 64 [ 65.161055][ T17] usb 1-1: config 0 interface 251 altsetting 0 endpoint 0xD has an invalid bInterval 0, changing to 7 [ 65.172218][ T17] usb 1-1: config 0 interface 251 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 65.183021][ T17] usb 1-1: config 0 interface 251 altsetting 0 has a duplicate endpoint with address 0x5, skipping [ 65.193910][ T17] usb 1-1: config 0 interface 251 altsetting 0 has a duplicate endpoint with address 0x7, skipping [ 65.204809][ T17] usb 1-1: config 0 interface 251 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 65.215690][ T17] usb 1-1: config 0 interface 251 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 65.226575][ T17] usb 1-1: config 0 interface 251 altsetting 0 has a duplicate endpoint with address 0x7, skipping [ 65.237502][ T17] usb 1-1: New USB device found, idVendor=0711, idProduct=0950, bcdDevice=5e.14 [ 65.246540][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.258449][ T17] usb 1-1: config 0 descriptor?? [ 65.302640][ T17] usb 1-1: USB2VGA dongle found at address 2 [ 65.338128][ T17] usb 1-1: Allocated 8 output buffers [ 65.343526][ T17] ------------[ cut here ]------------ [ 65.352332][ T17] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 65.359065][ T17] WARNING: CPU: 1 PID: 17 at drivers/usb/core/urb.c:493 usb_submit_urb+0xcde/0x14e0 [ 65.368626][ T17] Modules linked in: [ 65.372548][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 65.381309][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.391581][ T17] Workqueue: usb_hub_wq hub_event [ 65.396641][ T17] RIP: 0010:usb_submit_urb+0xcde/0x14e0 [ 65.402295][ T17] Code: 84 d4 02 00 00 e8 72 da 3b fc 4c 89 ef e8 7a 86 0d ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 60 59 e1 89 e8 0e 49 78 03 <0f> 0b e9 ca f8 ff ff e8 46 da 3b fc 48 81 c5 48 06 00 00 e9 f6 f7 [ 65.422023][ T17] RSP: 0018:ffffc90000d76e08 EFLAGS: 00010286 [ 65.428143][ T17] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.436116][ T17] RDX: ffff888010e01a40 RSI: ffffffff8158c835 RDI: fffff520001aedb3 [ 65.444231][ T17] RBP: ffff888014c001e0 R08: 0000000000000001 R09: ffff8880b9f30627 [ 65.452298][ T17] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 65.460379][ T17] R13: ffff888014c030a0 R14: ffff888014c41050 R15: ffff8880139c3a00 [ 65.468442][ T17] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 65.477914][ T17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.484509][ T17] CR2: 000055f2ff184700 CR3: 000000001c9fe000 CR4: 00000000001506e0 [ 65.492565][ T17] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.500679][ T17] DR3: 000000