[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. [....] Starting OpenBSD Secure Shell server: sshd[ 13.538206][ T1661] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 13.726144][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.309709][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 51.549690][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 51.669776][ T83] usb 1-1: config 64 has an invalid interface number: 224 but max is 0 [ 51.678129][ T83] usb 1-1: config 64 has no interface number 0 [ 51.684386][ T83] usb 1-1: config 64 interface 224 altsetting 2 endpoint 0x9 has invalid maxpacket 955, setting to 64 [ 51.695337][ T83] usb 1-1: config 64 interface 224 altsetting 2 endpoint 0xA has an invalid bInterval 169, changing to 11 [ 51.706632][ T83] usb 1-1: config 64 interface 224 altsetting 2 has a duplicate endpoint with address 0xA, skipping [ 51.718440][ T83] usb 1-1: config 64 interface 224 altsetting 2 endpoint 0x4 has invalid maxpacket 564, setting to 64 [ 51.729384][ T83] usb 1-1: config 64 interface 224 altsetting 2 has a duplicate endpoint with address 0x4, skipping [ 51.740150][ T83] usb 1-1: config 64 interface 224 altsetting 2 has a duplicate endpoint with address 0x4, skipping [ 51.751007][ T83] usb 1-1: config 64 interface 224 altsetting 2 endpoint 0xF has invalid maxpacket 837, setting to 64 [ 51.762741][ T83] usb 1-1: config 64 interface 224 altsetting 2 endpoint 0xC has an invalid bInterval 31, changing to 7 [ 51.773860][ T83] usb 1-1: config 64 interface 224 altsetting 2 has a duplicate endpoint with address 0xF, skipping [ 51.784624][ T83] usb 1-1: config 64 interface 224 has no altsetting 0 [ 51.949739][ T83] usb 1-1: New USB device found, idVendor=182d, idProduct=021c, bcdDevice=74.01 [ 51.958804][ T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 51.966815][ T83] usb 1-1: Product: syz [ 51.970999][ T83] usb 1-1: Manufacturer: syz [ 51.975568][ T83] usb 1-1: SerialNumber: syz executing program [ 52.300702][ T83] usb 1-1: USB2VGA dongle found at address 2 [ 52.308541][ T83] usb 1-1: Allocated 8 output buffers [ 52.314061][ T83] ------------[ cut here ]------------ [ 52.319503][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 52.325528][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 52.335004][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 52.342019][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 52.349025][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.359059][ T83] Workqueue: usb_hub_wq hub_event [ 52.364185][ T83] Call Trace: [ 52.367542][ T83] dump_stack+0xca/0x13e [ 52.371769][ T83] ? usb_submit_urb+0x1100/0x13b0 [ 52.376775][ T83] panic+0x2a3/0x6da [ 52.380646][ T83] ? add_taint.cold+0x16/0x16 [ 52.385336][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 52.390597][ T83] ? __warn.cold+0x5/0x4a [ 52.394899][ T83] ? __warn+0xe3/0x1e0 [ 52.398979][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 52.403989][ T83] __warn.cold+0x20/0x4a [ 52.408207][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 52.413208][ T83] report_bug+0x262/0x2a0 [ 52.417566][ T83] do_error_trap+0x12b/0x1e0 [ 52.422134][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 52.427132][ T83] do_invalid_op+0x32/0x40 [ 52.431522][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 52.436520][ T83] invalid_op+0x23/0x30 [ 52.440652][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 52.446256][ T83] Code: 4d 85 ed 74 2c e8 98 59 ee fd 4c 89 f7 e8 10 4b 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 c2 18 86 e8 2d e5 c3 fd <0f> 0b e9 20 f4 ff ff e8 6c 59 ee fd 4c 89 f2 48 b8 00 00 00 00 00 [ 52.465833][ T83] RSP: 0018:ffff8881d93cedd8 EFLAGS: 00010286 [ 52.471870][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.479818][ T83] RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103b279dad [ 52.487778][ T83] RBP: ffff8881d37b3ad0 R08: ffff8881d9786000 R09: fffffbfff11b35ae [ 52.495733][ T83] R10: fffffbfff11b35ad R11: ffffffff88d9ad6f R12: 0000000000000003 [ 52.503679][ T83] R13: ffff8881cfce59d8 R14: ffff8881d9185e20 R15: ffff8881d5e1ee00 [ 52.511723][ T83] ? vprintk_func+0x7d/0x113 [ 52.516288][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 52.521305][ T83] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 52.527614][ T83] ? preempt_schedule_common+0x44/0x60 [ 52.533051][ T83] ? sisusb_kill_all_busy+0x200/0x200 [ 52.538396][ T83] ? wake_up_klogd+0x41/0x50 [ 52.542962][ T83] ? vprintk_emit+0x18c/0x3e0 [ 52.547612][ T83] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 52.554273][ T83] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 52.560659][ T83] sisusb_do_init_gfxdevice+0x8a/0x450 [ 52.566099][ T83] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 52.571621][ T83] ? dev_printk_emit+0xba/0xf1 [ 52.576356][ T83] ? dev_vprintk_emit+0x541/0x541 [ 52.581353][ T83] ? really_probe+0x281/0x6d0 [ 52.586004][ T83] sisusb_init_gfxdevice+0xe1/0x18d0 [ 52.591390][ T83] ? hub_event+0x1b5c/0x3640 [ 52.595956][ T83] ? worker_thread+0x96/0xe20 [ 52.600608][ T83] ? kthread+0x318/0x420 [ 52.604822][ T83] ? __dev_printk+0x1db/0x203 [ 52.609471][ T83] ? sisusb_set_default_mode+0xa50/0xa50 [ 52.615078][ T83] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 52.621223][ T83] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 52.627005][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 52.632262][ T83] ? refcount_inc_checked+0x1d/0x60 [ 52.637434][ T83] ? kobject_get+0x67/0xc0 [ 52.641826][ T83] sisusb_probe+0x902/0xae8 [ 52.646310][ T83] usb_probe_interface+0x305/0x7a0 [ 52.651395][ T83] ? usb_probe_device+0x100/0x100 [ 52.656395][ T83] really_probe+0x281/0x6d0 [ 52.660876][ T83] driver_probe_device+0x101/0x1b0 [ 52.665964][ T83] __device_attach_driver+0x1c2/0x220 [ 52.671330][ T83] ? driver_allows_async_probing+0x160/0x160 [ 52.677287][ T83] bus_for_each_drv+0x162/0x1e0 [ 52.682111][ T83] ? bus_rescan_devices+0x20/0x20 [ 52.687109][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 52.692888][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 52.698145][ T83] __device_attach+0x217/0x360 [ 52.702897][ T83] ? device_bind_driver+0xd0/0xd0 [ 52.707990][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 52.713346][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 52.718604][ T83] bus_probe_device+0x1e4/0x290 [ 52.723429][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 52.729296][ T83] device_add+0xae6/0x16f0 [ 52.733699][ T83] ? uevent_store+0x50/0x50 [ 52.738177][ T83] usb_set_configuration+0xdf6/0x1670 [ 52.743549][ T83] generic_probe+0x9d/0xd5 [ 52.747950][ T83] usb_probe_device+0x99/0x100 [ 52.752691][ T83] ? usb_suspend+0x620/0x620 [ 52.757256][ T83] really_probe+0x281/0x6d0 [ 52.761743][ T83] driver_probe_device+0x101/0x1b0 [ 52.766830][ T83] __device_attach_driver+0x1c2/0x220 [ 52.772314][ T83] ? driver_allows_async_probing+0x160/0x160 [ 52.778307][ T83] bus_for_each_drv+0x162/0x1e0 [ 52.783132][ T83] ? bus_rescan_devices+0x20/0x20 [ 52.788129][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 52.793915][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 52.799174][ T83] __device_attach+0x217/0x360 [ 52.803914][ T83] ? device_bind_driver+0xd0/0xd0 [ 52.808911][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 52.814180][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 52.819461][ T83] bus_probe_device+0x1e4/0x290 [ 52.824288][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 52.830166][ T83] device_add+0xae6/0x16f0 [ 52.834572][ T83] ? uevent_store+0x50/0x50 [ 52.839065][ T83] usb_new_device.cold+0x6a4/0xe79 [ 52.844151][ T83] hub_event+0x1b5c/0x3640 [ 52.848544][ T83] ? hub_port_debounce+0x260/0x260 [ 52.853629][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.859156][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 52.864417][ T83] process_one_work+0x92b/0x1530 [ 52.869331][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 52.874680][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 52.879695][ T83] worker_thread+0x96/0xe20 [ 52.884198][ T83] ? process_one_work+0x1530/0x1530 [ 52.889477][ T83] kthread+0x318/0x420 [ 52.893527][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 52.898889][ T83] ret_from_fork+0x24/0x30 [ 52.904128][ T83] Kernel Offset: disabled [ 52.908474][ T83] Rebooting in 86400 seconds..