[info] Using makefile-style concurrent boot in runlevel 2. [ 14.855781][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.953060][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.193001][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 24.313112][ T12] usb 1-1: config 0 has an invalid interface number: 3 but max is 0 [ 24.321190][ T12] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 24.331338][ T12] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 24.340275][ T12] usb 1-1: config 0 has no interface number 0 [ 24.346412][ T12] usb 1-1: config 0 interface 3 altsetting 0 endpoint 0x9 has invalid maxpacket 449, setting to 64 [ 24.357141][ T12] usb 1-1: config 0 interface 3 altsetting 0 endpoint 0xD has an invalid bInterval 0, changing to 7 [ 24.367922][ T12] usb 1-1: config 0 interface 3 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 24.378358][ T12] usb 1-1: config 0 interface 3 altsetting 0 endpoint 0x2 has invalid maxpacket 383, setting to 64 [ 24.389060][ T12] usb 1-1: config 0 interface 3 altsetting 0 endpoint 0x6 has invalid maxpacket 840, setting to 64 [ 24.399745][ T12] usb 1-1: config 0 interface 3 altsetting 0 has an invalid endpoint with address 0xB2, skipping [ 24.410277][ T12] usb 1-1: config 0 interface 3 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 24.421660][ T12] usb 1-1: config 0 interface 3 altsetting 0 has 7 endpoint descriptors, different from the interface descriptor's value: 11 [ 24.434623][ T12] usb 1-1: New USB device found, idVendor=0711, idProduct=0920, bcdDevice=5a.07 [ 24.443653][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.453447][ T12] usb 1-1: config 0 descriptor?? [ 24.494637][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 24.504178][ T12] usb 1-1: Allocated 8 output buffers [ 24.509571][ T12] ------------[ cut here ]------------ [ 24.515068][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 24.521059][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 24.530486][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 24.537067][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 24.544405][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.554535][ T12] Workqueue: usb_hub_wq hub_event [ 24.559632][ T12] Call Trace: [ 24.562916][ T12] dump_stack+0xca/0x13e [ 24.567134][ T12] ? usb_submit_urb+0x10c0/0x13b0 [ 24.572131][ T12] panic+0x2aa/0x6e1 [ 24.576000][ T12] ? add_taint.cold+0x16/0x16 [ 24.580652][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 24.585930][ T12] ? __warn.cold+0x14/0x33 [ 24.590361][ T12] ? __warn+0xd5/0x1d0 [ 24.594506][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.599511][ T12] __warn.cold+0x2f/0x33 [ 24.603742][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 24.609088][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.614087][ T12] report_bug+0x27b/0x2f0 [ 24.618436][ T12] do_error_trap+0x12b/0x1e0 [ 24.623010][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.628007][ T12] do_invalid_op+0x32/0x40 [ 24.632400][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.637395][ T12] invalid_op+0x23/0x30 [ 24.641529][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 24.647155][ T12] Code: 4d 85 ed 74 2c e8 b8 21 ef fd 4c 89 f7 e8 40 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 cd bc c4 fd <0f> 0b e9 20 f4 ff ff e8 8c 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 24.666733][ T12] RSP: 0018:ffff8881da226d88 EFLAGS: 00010282 [ 24.672771][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 24.680718][ T12] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b444da3 [ 24.688664][ T12] RBP: ffff8881cf413850 R08: ffff8881da211800 R09: ffffed103b645d58 [ 24.696608][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 24.704554][ T12] R13: ffff8881d15c0d50 R14: ffff8881cfad90a0 R15: ffff8881d9579900 [ 24.712503][ T12] ? vprintk_func+0x7d/0x113 [ 24.717066][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.722062][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 24.728362][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 24.734753][ T12] ? wake_up_klogd+0x41/0x50 [ 24.739313][ T12] ? vprintk_emit+0x18c/0x3e0 [ 24.743963][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 24.750697][ T12] ? sisusb_send_bulk_msg.constprop.0+0x1030/0x1030 [ 24.757258][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 24.762690][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 24.768210][ T12] ? dev_printk_emit+0xba/0xf1 [ 24.772985][ T12] ? dev_vprintk_emit+0x541/0x541 [ 24.777986][ T12] ? really_probe+0x281/0x6d0 [ 24.782633][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 24.787889][ T12] ? hub_event+0x1df8/0x3800 [ 24.792452][ T12] ? worker_thread+0x96/0xe20 [ 24.797107][ T12] ? kthread+0x318/0x420 [ 24.801324][ T12] ? __dev_printk+0x1db/0x203 [ 24.805972][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 24.811577][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 24.817714][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 24.823493][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.828759][ T12] ? refcount_inc_checked+0x1d/0x60 [ 24.833937][ T12] ? kobject_get+0x67/0xc0 [ 24.838326][ T12] sisusb_probe+0x902/0xae8 [ 24.842805][ T12] usb_probe_interface+0x305/0x7a0 [ 24.847888][ T12] ? usb_probe_device+0x100/0x100 [ 24.852890][ T12] really_probe+0x281/0x6d0 [ 24.857370][ T12] driver_probe_device+0x104/0x210 [ 24.862455][ T12] __device_attach_driver+0x1c2/0x220 [ 24.867810][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.873760][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.878605][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.883710][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.889489][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 24.894746][ T12] __device_attach+0x217/0x360 [ 24.899493][ T12] ? device_bind_driver+0xd0/0xd0 [ 24.904506][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 24.909866][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 24.915225][ T12] bus_probe_device+0x1e4/0x290 [ 24.920057][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.925925][ T12] device_add+0xae6/0x16f0 [ 24.930315][ T12] ? uevent_store+0x50/0x50 [ 24.934815][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.940594][ T12] usb_set_configuration+0xdf6/0x1670 [ 24.945948][ T12] generic_probe+0x9d/0xd5 [ 24.950338][ T12] usb_probe_device+0x99/0x100 [ 24.955075][ T12] ? usb_suspend+0x620/0x620 [ 24.959637][ T12] really_probe+0x281/0x6d0 [ 24.964114][ T12] driver_probe_device+0x104/0x210 [ 24.969200][ T12] __device_attach_driver+0x1c2/0x220 [ 24.974554][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.980505][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.985328][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.990325][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.996105][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.001363][ T12] __device_attach+0x217/0x360 [ 25.006099][ T12] ? device_bind_driver+0xd0/0xd0 [ 25.011105][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 25.016362][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 25.021619][ T12] bus_probe_device+0x1e4/0x290 [ 25.026446][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.032312][ T12] device_add+0xae6/0x16f0 [ 25.036720][ T12] ? uevent_store+0x50/0x50 [ 25.041283][ T12] usb_new_device.cold+0x6a4/0xe79 [ 25.046366][ T12] hub_event+0x1df8/0x3800 [ 25.050756][ T12] ? hub_port_debounce+0x260/0x260 [ 25.055840][ T12] ? find_held_lock+0x2d/0x110 [ 25.060577][ T12] ? mark_held_locks+0xe0/0xe0 [ 25.065319][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.071038][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.076306][ T12] process_one_work+0x92b/0x1530 [ 25.081227][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.086576][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 25.091580][ T12] worker_thread+0x96/0xe20 [ 25.096072][ T12] ? process_one_work+0x1530/0x1530 [ 25.101244][ T12] kthread+0x318/0x420 [ 25.105288][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 25.110632][ T12] ret_from_fork+0x24/0x30 [ 25.115782][ T12] Kernel Offset: disabled [ 25.120138][ T12] Rebooting in 86400 seconds..