[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[ 13.632882][ T1689] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.749123][ T1728] random: sshd: uninitialized urandom read (32 bytes read) [ 34.774341][ C1] random: crng init done Warning: Permanently added '10.128.0.158' (ECDSA) to the list of known hosts. executing program [ 54.379078][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 54.619054][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 54.739091][ T12] usb 1-1: config 0 has an invalid interface number: 237 but max is 0 [ 54.747368][ T12] usb 1-1: config 0 has no interface number 0 [ 54.753497][ T12] usb 1-1: config 0 interface 237 altsetting 0 endpoint 0xD has an invalid bInterval 0, changing to 7 [ 54.764443][ T12] usb 1-1: config 0 interface 237 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 54.775173][ T12] usb 1-1: config 0 interface 237 altsetting 0 endpoint 0x4 has invalid maxpacket 2041, setting to 64 [ 54.786127][ T12] usb 1-1: config 0 interface 237 altsetting 0 endpoint 0xB has invalid maxpacket 1645, setting to 64 [ 54.797100][ T12] usb 1-1: config 0 interface 237 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 54.807685][ T12] usb 1-1: config 0 interface 237 altsetting 0 endpoint 0x6 has an invalid bInterval 255, changing to 7 [ 54.818856][ T12] usb 1-1: New USB device found, idVendor=182d, idProduct=021c, bcdDevice=7d.73 [ 54.827880][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 54.836957][ T12] usb 1-1: config 0 descriptor?? executing program [ 55.119175][ T12] usb 1-1: string descriptor 0 read error: -71 [ 55.126602][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 55.134226][ T12] usb 1-1: Allocated 8 output buffers [ 55.139769][ T12] ------------[ cut here ]------------ [ 55.145206][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 55.151214][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 55.160653][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 55.167227][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #15 [ 55.174663][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.184817][ T12] Workqueue: usb_hub_wq hub_event [ 55.189876][ T12] Call Trace: [ 55.193203][ T12] dump_stack+0xca/0x13e [ 55.197429][ T12] ? usb_submit_urb+0x10b0/0x13b0 [ 55.202430][ T12] panic+0x292/0x6c9 [ 55.206301][ T12] ? __warn_printk+0xf3/0xf3 [ 55.210871][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.215893][ T12] ? __probe_kernel_read+0x16c/0x1b0 [ 55.221162][ T12] ? __warn.cold+0x5/0x4b [ 55.225470][ T12] ? __warn+0xe4/0x1c0 [ 55.229515][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.234527][ T12] __warn.cold+0x20/0x4b [ 55.238748][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.243768][ T12] report_bug+0x262/0x2a0 [ 55.248081][ T12] do_error_trap+0x12b/0x1e0 [ 55.252656][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.257661][ T12] do_invalid_op+0x32/0x40 [ 55.262074][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.267086][ T12] invalid_op+0x14/0x20 [ 55.271229][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 55.276845][ T12] Code: 4d 85 ed 74 2c e8 f8 d3 f4 fd 4c 89 f7 e8 a0 51 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 0e f7 85 e8 83 98 ca fd <0f> 0b e9 20 f4 ff ff e8 cc d3 f4 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 55.296476][ T12] RSP: 0018:ffff8881d9e0edc8 EFLAGS: 00010282 [ 55.302529][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.310477][ T12] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3c1dab [ 55.318433][ T12] RBP: ffff8881d4c0e880 R08: ffff8881d9df9800 R09: 0000000000000000 [ 55.326441][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 55.334402][ T12] R13: ffff8881d76588e8 R14: ffff8881d1bc55a0 R15: ffff8881d4854600 [ 55.342367][ T12] ? vprintk_func+0x7d/0x113 [ 55.346935][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 55.351940][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 55.358259][ T12] ? sisusb_kill_all_busy+0x200/0x200 [ 55.363663][ T12] ? wake_up_klogd+0x41/0x50 [ 55.368241][ T12] ? vprintk_emit+0x18c/0x3e0 [ 55.372908][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 55.379577][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 55.385977][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 55.391415][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 55.397046][ T12] ? dev_printk_emit+0xba/0xf1 [ 55.401786][ T12] ? dev_vprintk_emit+0x541/0x541 [ 55.406793][ T12] ? really_probe+0x281/0x660 [ 55.411447][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 55.416719][ T12] ? hub_event+0x1abd/0x3550 [ 55.421342][ T12] ? worker_thread+0x96/0xe20 [ 55.425999][ T12] ? kthread+0x30b/0x410 [ 55.430222][ T12] ? __dev_printk+0x1db/0x203 [ 55.434872][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 55.440482][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 55.446712][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 55.459448][ T12] ? refcount_inc_checked+0x1d/0x60 [ 55.464637][ T12] ? kobject_get+0x67/0xc0 [ 55.469031][ T12] sisusb_probe+0x902/0xae8 [ 55.473528][ T12] usb_probe_interface+0x305/0x7a0 [ 55.478637][ T12] ? usb_probe_device+0x100/0x100 [ 55.483643][ T12] really_probe+0x281/0x660 [ 55.488123][ T12] driver_probe_device+0x104/0x210 [ 55.493223][ T12] __device_attach_driver+0x1c2/0x220 [ 55.498569][ T12] ? driver_allows_async_probing+0x160/0x160 [ 55.504524][ T12] bus_for_each_drv+0x15c/0x1e0 [ 55.509359][ T12] ? bus_rescan_devices+0x20/0x20 [ 55.514372][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 55.520252][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 55.525519][ T12] __device_attach+0x217/0x360 [ 55.530260][ T12] ? device_bind_driver+0xd0/0xd0 [ 55.535266][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 55.540540][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 55.545814][ T12] bus_probe_device+0x1e4/0x290 [ 55.550654][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 55.556534][ T12] device_add+0xae6/0x16f0 [ 55.560935][ T12] ? uevent_store+0x50/0x50 [ 55.565432][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 55.571223][ T12] usb_set_configuration+0xdf6/0x1670 [ 55.576573][ T12] generic_probe+0x9d/0xd5 [ 55.580983][ T12] usb_probe_device+0x99/0x100 [ 55.585779][ T12] ? usb_suspend+0x620/0x620 [ 55.590359][ T12] really_probe+0x281/0x660 [ 55.594942][ T12] driver_probe_device+0x104/0x210 [ 55.600032][ T12] __device_attach_driver+0x1c2/0x220 [ 55.605387][ T12] ? driver_allows_async_probing+0x160/0x160 [ 55.611472][ T12] bus_for_each_drv+0x15c/0x1e0 [ 55.616310][ T12] ? bus_rescan_devices+0x20/0x20 [ 55.621325][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 55.627169][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 55.632448][ T12] __device_attach+0x217/0x360 [ 55.637190][ T12] ? device_bind_driver+0xd0/0xd0 [ 55.642208][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 55.647473][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 55.652749][ T12] bus_probe_device+0x1e4/0x290 [ 55.657588][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 55.663820][ T12] device_add+0xae6/0x16f0 [ 55.668215][ T12] ? uevent_store+0x50/0x50 [ 55.672704][ T12] usb_new_device.cold+0x6a4/0xe61 [ 55.677794][ T12] hub_event+0x1abd/0x3550 [ 55.682184][ T12] ? hub_port_debounce+0x260/0x260 [ 55.687285][ T12] process_one_work+0x905/0x1570 [ 55.692198][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 55.697546][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 55.702543][ T12] worker_thread+0x96/0xe20 [ 55.707022][ T12] ? process_one_work+0x1570/0x1570 [ 55.712197][ T12] kthread+0x30b/0x410 [ 55.716377][ T12] ? kthread_park+0x1a0/0x1a0 [ 55.721033][ T12] ret_from_fork+0x24/0x30 [ 55.726426][ T12] Kernel Offset: disabled [ 55.730776][ T12] Rebooting in 86400 seconds..