[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 14.647718][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.163071][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.403053][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 35.523126][ T21] usb 1-1: config 227 has an invalid interface number: 152 but max is 0 [ 35.531560][ T21] usb 1-1: config 227 has no interface number 0 [ 35.537914][ T21] usb 1-1: config 227 interface 152 altsetting 255 has an invalid endpoint with address 0x0, skipping [ 35.548966][ T21] usb 1-1: config 227 interface 152 altsetting 255 has an invalid endpoint with address 0xC4, skipping [ 35.560036][ T21] usb 1-1: config 227 interface 152 altsetting 255 endpoint 0xD has an invalid bInterval 147, changing to 11 [ 35.571612][ T21] usb 1-1: config 227 interface 152 altsetting 255 endpoint 0xF has invalid maxpacket 2047, setting to 64 [ 35.583072][ T21] usb 1-1: config 227 interface 152 altsetting 255 endpoint 0x4 has invalid maxpacket 2047, setting to 64 [ 35.594384][ T21] usb 1-1: config 227 interface 152 has no altsetting 0 [ 35.833101][ T21] usb 1-1: string descriptor 0 read error: -22 [ 35.839506][ T21] usb 1-1: New USB device found, idVendor=0711, idProduct=0550, bcdDevice=da.7e [ 35.848780][ T21] usb 1-1: New USB device strings: Mfr=37, Product=1, SerialNumber=1 [ 35.894820][ T21] usb 1-1: USB2VGA dongle found at address 2 [ 35.904372][ T21] usb 1-1: Allocated 8 output buffers [ 35.909789][ T21] ------------[ cut here ]------------ [ 35.915424][ T21] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 35.921420][ T21] WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 35.931009][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 35.937597][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 35.945082][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.955141][ T21] Workqueue: usb_hub_wq hub_event [ 35.960146][ T21] Call Trace: [ 35.963414][ T21] dump_stack+0xca/0x13e [ 35.967652][ T21] ? usb_submit_urb+0x1130/0x13b0 [ 35.972823][ T21] panic+0x292/0x6c9 [ 35.976705][ T21] ? __warn_printk+0xf3/0xf3 [ 35.981275][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 35.986294][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 35.991639][ T21] ? __warn.cold+0x5/0x4b [ 35.995954][ T21] ? __warn+0xe4/0x1c0 [ 36.000098][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 36.005106][ T21] __warn.cold+0x20/0x4b [ 36.009324][ T21] ? __irq_work_queue_local+0xa3/0xe0 [ 36.014670][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 36.019671][ T21] report_bug+0x262/0x2a0 [ 36.023978][ T21] do_error_trap+0x12b/0x1e0 [ 36.028544][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 36.033542][ T21] do_invalid_op+0x32/0x40 [ 36.037934][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 36.042989][ T21] invalid_op+0x14/0x20 [ 36.047135][ T21] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 36.052749][ T21] Code: 4d 85 ed 74 2c e8 78 db e8 fd 4c 89 f7 e8 a0 36 13 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 23 1a 86 e8 03 a0 be fd <0f> 0b e9 20 f4 ff ff e8 4c db e8 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 36.072341][ T21] RSP: 0018:ffff8881d9efed28 EFLAGS: 00010282 [ 36.078387][ T21] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.086334][ T21] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfd97 [ 36.094282][ T21] RBP: ffff8881d09bbb80 R08: ffff8881d9e36000 R09: ffffed103b665d30 [ 36.102230][ T21] R10: ffffed103b665d2f R11: ffff8881db32e97f R12: 0000000000000003 [ 36.110177][ T21] R13: ffff8881ccdd79a8 R14: ffff8881d03711a0 R15: ffff8881d9449000 [ 36.118133][ T21] ? vprintk_func+0x7d/0x113 [ 36.122700][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 36.127700][ T21] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 36.134002][ T21] ? sisusb_kill_all_busy+0x200/0x200 [ 36.139347][ T21] ? find_held_lock+0x2d/0x110 [ 36.144084][ T21] ? stack_depot_save+0x252/0x440 [ 36.149082][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 36.154084][ T21] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 36.160856][ T21] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 36.167269][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 36.172546][ T21] ? stack_depot_save+0x252/0x440 [ 36.177572][ T21] sisusb_do_init_gfxdevice+0x8a/0x450 [ 36.183019][ T21] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 36.188549][ T21] ? usb_probe_interface+0x305/0x7a0 [ 36.193814][ T21] ? __device_attach_async_helper+0x1a0/0x270 [ 36.199872][ T21] ? __device_attach_driver+0x1c2/0x220 [ 36.205409][ T21] ? bus_for_each_drv+0x15c/0x1e0 [ 36.210416][ T21] ? __device_attach+0x217/0x360 [ 36.215346][ T21] ? bus_probe_device+0x1e4/0x290 [ 36.220365][ T21] ? device_add+0xae6/0x16f0 [ 36.225025][ T21] ? usb_set_configuration+0xdf6/0x1670 [ 36.230560][ T21] ? generic_probe+0x9d/0xd5 [ 36.235134][ T21] ? usb_probe_device+0x99/0x100 [ 36.240062][ T21] ? really_probe+0x281/0x660 [ 36.244729][ T21] sisusb_init_gfxdevice+0xe0/0x18d0 [ 36.249995][ T21] ? usb_new_device.cold+0x8c1/0x1016 [ 36.255347][ T21] ? hub_event+0x1ada/0x3590 [ 36.259929][ T21] ? process_one_work+0x905/0x1570 [ 36.265031][ T21] ? worker_thread+0x96/0xe20 [ 36.269696][ T21] ? ret_from_fork+0x24/0x30 [ 36.274265][ T21] ? find_held_lock+0x2d/0x110 [ 36.279004][ T21] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 36.284757][ T21] ? sisusb_set_default_mode+0xa60/0xa60 [ 36.290369][ T21] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 36.296503][ T21] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 36.302288][ T21] ? refcount_inc_checked+0x1d/0x60 [ 36.307468][ T21] ? kobject_get+0x67/0xc0 [ 36.311859][ T21] sisusb_probe+0x924/0xbcb [ 36.316460][ T21] usb_probe_interface+0x305/0x7a0 [ 36.321554][ T21] ? usb_probe_device+0x100/0x100 [ 36.326562][ T21] really_probe+0x281/0x660 [ 36.331048][ T21] driver_probe_device+0x104/0x210 [ 36.336140][ T21] __device_attach_driver+0x1c2/0x220 [ 36.341508][ T21] ? driver_allows_async_probing+0x160/0x160 [ 36.347483][ T21] bus_for_each_drv+0x15c/0x1e0 [ 36.352321][ T21] ? bus_rescan_devices+0x20/0x20 [ 36.357323][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 36.363113][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 36.368394][ T21] __device_attach+0x217/0x360 [ 36.373154][ T21] ? device_bind_driver+0xd0/0xd0 [ 36.378282][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 36.383556][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 36.388823][ T21] bus_probe_device+0x1e4/0x290 [ 36.393655][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 36.399541][ T21] device_add+0xae6/0x16f0 [ 36.403937][ T21] ? uevent_store+0x50/0x50 [ 36.408418][ T21] usb_set_configuration+0xdf6/0x1670 [ 36.413772][ T21] generic_probe+0x9d/0xd5 [ 36.418179][ T21] usb_probe_device+0x99/0x100 [ 36.422939][ T21] ? usb_suspend+0x620/0x620 [ 36.427536][ T21] really_probe+0x281/0x660 [ 36.432088][ T21] driver_probe_device+0x104/0x210 [ 36.437194][ T21] __device_attach_driver+0x1c2/0x220 [ 36.442553][ T21] ? driver_allows_async_probing+0x160/0x160 [ 36.448524][ T21] bus_for_each_drv+0x15c/0x1e0 [ 36.453371][ T21] ? bus_rescan_devices+0x20/0x20 [ 36.458499][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 36.464292][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 36.469572][ T21] __device_attach+0x217/0x360 [ 36.474337][ T21] ? device_bind_driver+0xd0/0xd0 [ 36.479347][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 36.484614][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 36.489874][ T21] bus_probe_device+0x1e4/0x290 [ 36.494701][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 36.500655][ T21] device_add+0xae6/0x16f0 [ 36.505051][ T21] ? uevent_store+0x50/0x50 [ 36.509530][ T21] usb_new_device.cold+0x8c1/0x1016 [ 36.514704][ T21] ? usb_port_suspend+0xa40/0xa40 [ 36.519716][ T21] ? mark_held_locks+0x9f/0xe0 [ 36.524471][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 36.529665][ T21] hub_event+0x1ada/0x3590 [ 36.534086][ T21] ? hub_port_debounce+0x260/0x260 [ 36.539182][ T21] process_one_work+0x905/0x1570 [ 36.544100][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 36.549474][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 36.554595][ T21] worker_thread+0x96/0xe20 [ 36.559097][ T21] ? process_one_work+0x1570/0x1570 [ 36.564287][ T21] kthread+0x30b/0x410 [ 36.568353][ T21] ? kthread_park+0x1a0/0x1a0 [ 36.573027][ T21] ret_from_fork+0x24/0x30 [ 36.578266][ T21] Kernel Offset: disabled [ 36.582633][ T21] Rebooting in 86400 seconds..