Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 21.598870][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 21.838827][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 21.958962][ T22] usb 1-1: config 0 has an invalid interface number: 143 but max is 0 [ 21.967233][ T22] usb 1-1: config 0 has no interface number 0 [ 21.973481][ T22] usb 1-1: config 0 interface 143 altsetting 0 endpoint 0xF has wMaxPacketSize 0, skipping [ 21.983515][ T22] usb 1-1: config 0 interface 143 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 468 [ 21.993808][ T22] usb 1-1: New USB device found, idVendor=10cf, idProduct=5503, bcdDevice=94.de [ 22.002853][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 22.012482][ T22] usb 1-1: config 0 descriptor?? [ 22.029025][ T1714] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 22.036498][ T1714] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 22.052709][ T22] kasan: CONFIG_KASAN_INLINE enabled [ 22.058117][ T22] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 22.066250][ T22] general protection fault: 0000 [#1] SMP KASAN [ 22.072486][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 22.080268][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.090321][ T22] Workqueue: usb_hub_wq hub_event [ 22.095327][ T22] RIP: 0010:vmk80xx_write_packet+0x75/0x260 [ 22.101201][ T22] Code: 48 8d 7b 68 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 68 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 84 01 00 00 [ 22.120787][ T22] RSP: 0018:ffff8881d902f200 EFLAGS: 00010202 [ 22.126829][ T22] RAX: dffffc0000000000 RBX: ffff8881d7037700 RCX: 0000000000000000 [ 22.134777][ T22] RDX: 0000000000000002 RSI: ffffffff8475b713 RDI: ffff8881d7037768 [ 22.142726][ T22] RBP: ffff8881cffc3400 R08: ffff8881da64e200 R09: 0000000000000010 [ 22.150845][ T22] R10: fffffbfff11aecac R11: ffffffff88d76567 R12: ffff8881cff41000 [ 22.158788][ T22] R13: 0000000000000010 R14: 0000000000000000 R15: ffff8881d190a708 [ 22.166750][ T22] FS: 0000000000000000(0000) GS:ffff8881db500000(0000) knlGS:0000000000000000 [ 22.175652][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.182211][ T22] CR2: 00007f1112a61000 CR3: 00000001d1010000 CR4: 00000000001406e0 [ 22.190158][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.198332][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.206287][ T22] Call Trace: [ 22.209558][ T22] vmk80xx_auto_attach+0x13b1/0x17c0 [ 22.214816][ T22] comedi_auto_config+0x16e/0x250 [ 22.219814][ T22] usb_probe_interface+0x305/0x7a0 [ 22.224919][ T22] ? usb_probe_device+0x100/0x100 [ 22.229921][ T22] really_probe+0x281/0x6d0 [ 22.234403][ T22] driver_probe_device+0x104/0x210 [ 22.239484][ T22] __device_attach_driver+0x1c2/0x220 [ 22.244830][ T22] ? driver_allows_async_probing+0x160/0x160 [ 22.250789][ T22] bus_for_each_drv+0x162/0x1e0 [ 22.255635][ T22] ? bus_rescan_devices+0x20/0x20 [ 22.260639][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.266440][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 22.271714][ T22] __device_attach+0x217/0x360 [ 22.276455][ T22] ? device_bind_driver+0xd0/0xd0 [ 22.281474][ T22] bus_probe_device+0x1e4/0x290 [ 22.286315][ T22] device_add+0x1480/0x1c20 [ 22.290819][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 22.296089][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 22.302229][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.308195][ T22] usb_set_configuration+0xe67/0x1740 [ 22.313565][ T22] generic_probe+0x9d/0xd5 [ 22.317976][ T22] usb_probe_device+0x99/0x100 [ 22.322716][ T22] ? usb_suspend+0x620/0x620 [ 22.327286][ T22] really_probe+0x281/0x6d0 [ 22.331777][ T22] driver_probe_device+0x104/0x210 [ 22.336865][ T22] __device_attach_driver+0x1c2/0x220 [ 22.342229][ T22] ? driver_allows_async_probing+0x160/0x160 [ 22.348194][ T22] bus_for_each_drv+0x162/0x1e0 [ 22.353051][ T22] ? bus_rescan_devices+0x20/0x20 [ 22.358069][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.363862][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 22.369128][ T22] __device_attach+0x217/0x360 [ 22.373878][ T22] ? device_bind_driver+0xd0/0xd0 [ 22.378975][ T22] bus_probe_device+0x1e4/0x290 [ 22.383804][ T22] device_add+0x1480/0x1c20 [ 22.388298][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 22.394356][ T22] usb_new_device.cold+0x6a4/0xe79 [ 22.399448][ T22] hub_event+0x1e59/0x3860 [ 22.403889][ T22] ? hub_port_debounce+0x260/0x260 [ 22.409006][ T22] ? find_held_lock+0x2d/0x110 [ 22.413754][ T22] ? mark_held_locks+0xe0/0xe0 [ 22.418512][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.424064][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.429381][ T22] process_one_work+0x92b/0x1530 [ 22.434297][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 22.439655][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 22.444670][ T22] worker_thread+0x96/0xe20 [ 22.449152][ T22] ? process_one_work+0x1530/0x1530 [ 22.454333][ T22] kthread+0x318/0x420 [ 22.458385][ T22] ? kthread_