[ 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 '10.128.1.9' (ECDSA) to the list of known hosts. syzkaller login: [ 56.770697][ T3155] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 57.170626][ T3155] usb 1-1: unable to get BOS descriptor or descriptor too short [ 57.250680][ T3155] usb 1-1: config 129 has an invalid interface number: 90 but max is 2 [ 57.259117][ T3155] usb 1-1: config 129 has an invalid interface descriptor of length 2, skipping [ 57.268725][ T3155] usb 1-1: config 129 contains an unexpected descriptor of type 0x2, skipping [ 57.278857][ T3155] usb 1-1: config 129 has an invalid interface descriptor of length 2, skipping [ 57.288233][ T3155] usb 1-1: config 129 has an invalid interface number: 120 but max is 2 [ 57.296826][ T3155] usb 1-1: config 129 has an invalid interface number: 143 but max is 2 [ 57.305284][ T3155] usb 1-1: config 129 contains an unexpected descriptor of type 0x2, skipping [ 57.314278][ T3155] usb 1-1: config 129 has an invalid descriptor of length 1, skipping remainder of the config [ 57.324650][ T3155] usb 1-1: config 129 has no interface number 0 [ 57.331053][ T3155] usb 1-1: config 129 has no interface number 1 [ 57.337281][ T3155] usb 1-1: config 129 has no interface number 2 [ 57.343685][ T3155] usb 1-1: config 129 interface 90 altsetting 9 has a duplicate endpoint with address 0x7, skipping [ 57.354587][ T3155] usb 1-1: config 129 interface 90 altsetting 9 endpoint 0xB has invalid maxpacket 512, setting to 64 [ 57.365671][ T3155] usb 1-1: config 129 interface 90 altsetting 9 has 4 endpoint descriptors, different from the interface descriptor's value: 15 [ 57.379044][ T3155] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0x6 has invalid maxpacket 1036, setting to 1024 [ 57.390534][ T3155] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0xC has invalid maxpacket 512, setting to 64 [ 57.401612][ T3155] usb 1-1: config 129 interface 120 altsetting 6 bulk endpoint 0x4 has invalid maxpacket 32 [ 57.411968][ T3155] usb 1-1: config 129 interface 120 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 57.423004][ T3155] usb 1-1: config 129 interface 120 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 57.423048][ T3155] usb 1-1: config 129 interface 120 altsetting 6 endpoint 0xD has an invalid bInterval 129, changing to 11 [ 57.423074][ T3155] usb 1-1: config 129 interface 120 altsetting 6 has 8 endpoint descriptors, different from the interface descriptor's value: 7 [ 57.423106][ T3155] usb 1-1: config 129 interface 143 altsetting 252 has 0 endpoint descriptors, different from the interface descriptor's value: 12 [ 57.423133][ T3155] usb 1-1: config 129 interface 90 has no altsetting 0 [ 57.423152][ T3155] usb 1-1: config 129 interface 120 has no altsetting 0 [ 57.423170][ T3155] usb 1-1: config 129 interface 143 has no altsetting 0 [ 57.660727][ T3155] usb 1-1: string descriptor 0 read error: -22 [ 57.667058][ T3155] usb 1-1: New USB device found, idVendor=0711, idProduct=0950, bcdDevice=e2.40 [ 57.676538][ T3155] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 57.723250][ T3155] usb 1-1: USB2VGA dongle found at address 2 [ 57.744456][ T3155] usb 1-1: Allocated 8 output buffers [ 57.749854][ T3155] ------------[ cut here ]------------ [ 57.758897][ T3155] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 57.766087][ T3155] WARNING: CPU: 1 PID: 3155 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 [ 57.775845][ T3155] Modules linked in: [ 57.779731][ T3155] CPU: 1 PID: 3155 Comm: kworker/1:2 Not tainted 5.13.0-rc3-syzkaller #0 [ 57.788229][ T3155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.798535][ T3155] Workqueue: usb_hub_wq hub_event [ 57.803613][ T3155] RIP: 0010:usb_submit_urb+0xd27/0x1540 [ 57.809330][ T3155] Code: 84 d4 02 00 00 e8 69 38 29 fc 4c 89 ef e8 b1 4d 0e ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 20 95 06 8a e8 8c 8b 89 03 <0f> 0b e9 81 f8 ff ff e8 3d 38 29 fc 48 81 c5 40 06 00 00 e9 ad f7 [ 57.828977][ T3155] RSP: 0018:ffffc90002b56db8 EFLAGS: 00010282 [ 57.835082][ T3155] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.843109][ T3155] RDX: ffff8880200754c0 RSI: ffffffff815ce355 RDI: fffff5200056ada9 [ 57.851121][ T3155] RBP: ffff88801bb18190 R08: 0000000000000000 R09: 0000000000000000 [ 57.859350][ T3155] R10: ffffffff815c81be R11: 0000000000000000 R12: 0000000000000003 [ 57.867364][ T3155] R13: ffff8880195100a8 R14: ffff888016d8ced8 R15: ffff8880159e9500 [ 57.875471][ T3155] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 57.884549][ T3155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.891174][ T3155] CR2: 00007ff2f1f6e000 CR3: 00000000139b6000 CR4: 0000000000350ee0 [ 57.899143][ T3155] Call Trace: [ 57.902664][ T3155] sisusb_send_bulk_msg.constprop.0+0x904/0x1240 [ 57.909008][ T3155] ? sisusb_kill_all_busy+0x260/0x260 [ 57.914439][ T3155] ? kasan_save_stack+0x32/0x40 [ 57.919300][ T3155] ? kasan_save_stack+0x1b/0x40 [