[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.621907][ C1] random: crng init done [?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 '10.128.0.97' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.444766][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 23.804850][ T12] usb 1-1: config 0 has an invalid interface number: 162 but max is 0 [ 23.813108][ T12] usb 1-1: config 0 has no interface number 0 [ 23.819258][ T12] usb 1-1: config 0 interface 162 altsetting 0 endpoint 0xC has invalid maxpacket 178, setting to 64 [ 23.830146][ T12] usb 1-1: config 0 interface 162 altsetting 0 endpoint 0x2 has invalid maxpacket 447, setting to 64 [ 23.841025][ T12] usb 1-1: config 0 interface 162 altsetting 0 endpoint 0x3 has invalid maxpacket 915, setting to 64 [ 23.851922][ T12] usb 1-1: config 0 interface 162 altsetting 0 has a duplicate endpoint with address 0x3, skipping [ 23.862610][ T12] usb 1-1: config 0 interface 162 altsetting 0 has a duplicate endpoint with address 0xF, skipping [ 23.873326][ T12] usb 1-1: config 0 interface 162 altsetting 0 has a duplicate endpoint with address 0xF, skipping [ 23.884014][ T12] usb 1-1: config 0 interface 162 altsetting 0 bulk endpoint 0xB has invalid maxpacket 121 [ 23.894025][ T12] usb 1-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice=a2.5e [ 23.903056][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.912563][ T12] usb 1-1: config 0 descriptor?? [ 23.956511][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 23.966121][ T12] usb 1-1: Allocated 8 output buffers [ 23.971520][ T12] ------------[ cut here ]------------ [ 23.977012][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 23.982997][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 23.992423][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 23.998986][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 [ 24.006324][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.016399][ T12] Workqueue: usb_hub_wq hub_event [ 24.021396][ T12] Call Trace: [ 24.024683][ T12] dump_stack+0xca/0x13e [ 24.028964][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 24.033961][ T12] panic+0x2aa/0x6e1 [ 24.037826][ T12] ? add_taint.cold+0x16/0x16 [ 24.042477][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 24.047735][ T12] ? __warn.cold+0x14/0x33 [ 24.052124][ T12] ? __warn+0xd5/0x1d0 [ 24.056167][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.061164][ T12] __warn.cold+0x2f/0x33 [ 24.065382][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 24.070727][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.075736][ T12] report_bug+0x27b/0x2f0 [ 24.080040][ T12] do_error_trap+0x12b/0x1e0 [ 24.084627][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.089627][ T12] do_invalid_op+0x32/0x40 [ 24.094016][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.099014][ T12] invalid_op+0x23/0x30 [ 24.103147][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 24.108764][ T12] Code: 4d 85 ed 74 2c e8 e8 31 ef fd 4c 89 f7 e8 40 40 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 76 14 86 e8 1d ce c4 fd <0f> 0b e9 20 f4 ff ff e8 bc 31 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 24.128358][ T12] RSP: 0018:ffff8881da226d88 EFLAGS: 00010282 [ 24.134398][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 24.142452][ T12] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103b444da3 [ 24.150398][ T12] RBP: ffff8881d01009e0 R08: ffff8881da211800 R09: ffffed103b645d58 [ 24.158344][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 24.166306][ T12] R13: ffff8881d4525ed0 R14: ffff8881cfd1b0a0 R15: ffff8881d53ba800 [ 24.174262][ T12] ? vprintk_func+0x7d/0x113 [ 24.178834][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 24.183831][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 24.190132][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 24.196527][ T12] ? wake_up_klogd+0x41/0x50 [ 24.201089][ T12] ? vprintk_emit+0x18c/0x3e0 [ 24.205739][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 24.212388][ T12] ? sisusb_send_bulk_msg.constprop.0+0x1030/0x1030 [ 24.218960][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 24.224405][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 24.229929][ T12] ? dev_printk_emit+0xba/0xf1 [ 24.234666][ T12] ? dev_vprintk_emit+0x541/0x541 [ 24.239662][ T12] ? really_probe+0x281/0x6d0 [ 24.244309][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 24.249565][ T12] ? hub_event+0x1df8/0x3800 [ 24.254130][ T12] ? worker_thread+0x96/0xe20 [ 24.258777][ T12] ? kthread+0x318/0x420 [ 24.263007][ T12] ? __dev_printk+0x1db/0x203 [ 24.267656][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 24.273263][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 24.279389][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 24.285168][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.290425][ T12] ? refcount_inc_checked+0x1d/0x60 [ 24.295731][ T12] ? kobject_get+0x67/0xc0 [ 24.300122][ T12] sisusb_probe+0x902/0xae8 [ 24.304616][ T12] usb_probe_interface+0x305/0x7a0 [ 24.309718][ T12] ? usb_probe_device+0x100/0x100 [ 24.314726][ T12] really_probe+0x281/0x6d0 [ 24.319221][ T12] driver_probe_device+0x104/0x210 [ 24.324310][ T12] __device_attach_driver+0x1c2/0x220 [ 24.329656][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.335620][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.340444][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.345442][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.351222][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 24.356479][ T12] __device_attach+0x217/0x360 [ 24.361251][ T12] ? device_bind_driver+0xd0/0xd0 [ 24.366249][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 24.371506][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 24.376797][ T12] bus_probe_device+0x1e4/0x290 [ 24.381620][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.387478][ T12] device_add+0xae6/0x16f0 [ 24.391861][ T12] ? uevent_store+0x50/0x50 [ 24.396334][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.402108][ T12] usb_set_configuration+0xdf6/0x1670 [ 24.407452][ T12] generic_probe+0x9d/0xd5 [ 24.411840][ T12] usb_probe_device+0x99/0x100 [ 24.416576][ T12] ? usb_suspend+0x620/0x620 [ 24.421139][ T12] really_probe+0x281/0x6d0 [ 24.425625][ T12] driver_probe_device+0x104/0x210 [ 24.430710][ T12] __device_attach_driver+0x1c2/0x220 [ 24.436052][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.442001][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.446821][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.451830][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.457607][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 24.462877][ T12] __device_attach+0x217/0x360 [ 24.467627][ T12] ? device_bind_driver+0xd0/0xd0 [ 24.472635][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 24.477909][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 24.483177][ T12] bus_probe_device+0x1e4/0x290 [ 24.488004][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.493870][ T12] device_add+0xae6/0x16f0 [ 24.498264][ T12] ? uevent_store+0x50/0x50 [ 24.502766][ T12] usb_new_device.cold+0x6a4/0xe79 [ 24.507865][ T12] hub_event+0x1df8/0x3800 [ 24.512265][ T12] ? hub_port_debounce+0x260/0x260 [ 24.517362][ T12] ? find_held_lock+0x2d/0x110 [ 24.522111][ T12] ? mark_held_locks+0xe0/0xe0 [ 24.526853][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 24.532376][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.537679][ T12] process_one_work+0x92b/0x1530 [ 24.542597][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 24.547945][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 24.552946][ T12] worker_thread+0x96/0xe20 [ 24.557426][ T12] ? process_one_work+0x1530/0x1530 [ 24.562602][ T12] kthread+0x318/0x420 [ 24.566646][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 24.571993][ T12] ret_from_fork+0x24/0x30 [ 24.577133][ T12] Kernel Offset: disabled [ 24.581501][ T12] Rebooting in 86400 seconds..