Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. [ 13.849626][ C1] random: crng init done [ 13.849651][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.533431][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.743186][ T102] usb 1-1: config 0 has an invalid interface number: 134 but max is 0 [ 24.751550][ T102] usb 1-1: config 0 has no interface number 0 [ 24.758607][ T102] usb 1-1: config 0 interface 134 altsetting 0 endpoint 0x5 has invalid maxpacket 1983, setting to 64 [ 24.769658][ T102] usb 1-1: config 0 interface 134 altsetting 0 has a duplicate endpoint with address 0x2, skipping [ 24.780397][ T102] usb 1-1: config 0 interface 134 altsetting 0 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 24.791382][ T102] usb 1-1: config 0 interface 134 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 24.802117][ T102] usb 1-1: New USB device found, idVendor=182d, idProduct=021c, bcdDevice=bd.06 [ 24.811169][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.820811][ T102] usb 1-1: config 0 descriptor?? executing program [ 25.102658][ T102] usb 1-1: string descriptor 0 read error: -71 [ 25.110745][ T102] usb 1-1: USB2VGA dongle found at address 2 [ 25.125618][ T102] usb 1-1: Allocated 8 output buffers [ 25.131070][ T102] ------------[ cut here ]------------ [ 25.136594][ T102] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 25.142654][ T102] WARNING: CPU: 1 PID: 102 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 25.152170][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 25.158733][ T102] CPU: 1 PID: 102 Comm: kworker/1:2 Not tainted 5.7.0-rc1-syzkaller #0 [ 25.166939][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.176979][ T102] Workqueue: usb_hub_wq hub_event [ 25.181983][ T102] Call Trace: [ 25.185252][ T102] dump_stack+0xef/0x16e [ 25.189469][ T102] ? usb_submit_urb+0x10f0/0x1460 [ 25.195337][ T102] panic+0x2aa/0x6e1 [ 25.199207][ T102] ? add_taint.cold+0x16/0x16 [ 25.203859][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 25.209140][ T102] ? __warn.cold+0x14/0x30 [ 25.213533][ T102] ? __warn+0xd5/0x1c8 [ 25.217591][ T102] ? usb_submit_urb+0x1188/0x1460 [ 25.222588][ T102] __warn.cold+0x2f/0x30 [ 25.226819][ T102] ? usb_submit_urb+0x1188/0x1460 [ 25.231817][ T102] report_bug+0x27b/0x2f0 [ 25.236122][ T102] do_error_trap+0x12b/0x1e0 [ 25.240686][ T102] ? usb_submit_urb+0x1188/0x1460 [ 25.245683][ T102] do_invalid_op+0x32/0x40 [ 25.250073][ T102] ? usb_submit_urb+0x1188/0x1460 [ 25.255070][ T102] invalid_op+0x23/0x30 [ 25.259217][ T102] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 25.264845][ T102] Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd [ 25.284436][ T102] RSP: 0018:ffff8881d48b6c98 EFLAGS: 00010286 [ 25.290473][ T102] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 25.298417][ T102] RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103a916d85 [ 25.306361][ T102] RBP: ffff8881cd2499e0 R08: ffff8881d6b9b180 R09: ffffed103b666292 [ 25.314312][ T102] R10: ffff8881db33148f R11: ffffed103b666291 R12: 0000000000000003 [ 25.322265][ T102] R13: ffff8881da2a8e28 R14: ffff8881ce9fb0a0 R15: ffff8881d5175700 [ 25.330223][ T102] ? vprintk_func+0x7d/0x113 [ 25.334807][ T102] ? usb_submit_urb+0x1188/0x1460 [ 25.339822][ T102] sisusb_send_bulk_msg.constprop.0+0x8b4/0x1070 [ 25.346128][ T102] ? preempt_schedule_common+0x44/0x60 [ 25.351560][ T102] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 25.357948][ T102] ? wake_up_klogd.part.0+0x41/0x50 [ 25.363118][ T102] ? vprintk_emit+0x1cb/0x3e0 [ 25.367772][ T102] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 25.374509][ T102] ? sisusb_send_bulk_msg.constprop.0+0x1070/0x1070 [ 25.381079][ T102] sisusb_do_init_gfxdevice+0x8a/0x450 [ 25.386521][ T102] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 25.392046][ T102] ? dev_printk_emit+0xba/0xf1 [ 25.396789][ T102] ? dev_vprintk_emit+0x541/0x541 [ 25.401789][ T102] ? really_probe+0x290/0xac0 [ 25.406442][ T102] sisusb_init_gfxdevice+0xe1/0x18d0 [ 25.411705][ T102] ? hub_event+0x226d/0x43c0 [ 25.416279][ T102] ? worker_thread+0x96/0xe20 [ 25.420939][ T102] ? kthread+0x326/0x430 [ 25.425174][ T102] ? __dev_printk+0x1db/0x203 [ 25.429841][ T102] ? sisusb_set_default_mode+0xa50/0xa50 [ 25.435453][ T102] ? _dev_info+0xd7/0x109 [ 25.439756][ T102] ? _dev_notice+0x109/0x109 [ 25.444321][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.449588][ T102] ? lockdep_init_map_waits+0x26a/0x7c0 [ 25.455110][ T102] ? kobject_get+0xbc/0x150 [ 25.459588][ T102] sisusb_probe+0x902/0xaf4 [ 25.464068][ T102] usb_probe_interface+0x310/0x800 [ 25.469153][ T102] ? usb_probe_device+0x230/0x230 [ 25.474151][ T102] really_probe+0x290/0xac0 [ 25.478641][ T102] driver_probe_device+0x223/0x350 [ 25.484160][ T102] __device_attach_driver+0x1d1/0x290 [ 25.489519][ T102] ? driver_allows_async_probing+0x160/0x160 [ 25.495490][ T102] bus_for_each_drv+0x162/0x1e0 [ 25.500342][ T102] ? bus_rescan_devices+0x20/0x20 [ 25.505365][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.511150][ T102] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 25.516424][ T102] __device_attach+0x21a/0x390 [ 25.521165][ T102] ? device_bind_driver+0xd0/0xd0 [ 25.526163][ T102] bus_probe_device+0x1e4/0x290 [ 25.530985][ T102] device_add+0x1367/0x1c20 [ 25.535470][ T102] ? wait_for_completion+0x280/0x280 [ 25.540744][ T102] ? device_link_remove+0x110/0x110 [ 25.545925][ T102] usb_set_configuration+0xed4/0x1850 [ 25.551283][ T102] usb_generic_driver_probe+0x9d/0xe0 [ 25.556628][ T102] usb_probe_device+0xd9/0x230 [ 25.561364][ T102] ? usb_suspend+0x600/0x600 [ 25.565930][ T102] really_probe+0x290/0xac0 [ 25.570406][ T102] driver_probe_device+0x223/0x350 [ 25.575491][ T102] __device_attach_driver+0x1d1/0x290 [ 25.580837][ T102] ? driver_allows_async_probing+0x160/0x160 [ 25.586803][ T102] bus_for_each_drv+0x162/0x1e0 [ 25.591635][ T102] ? bus_rescan_devices+0x20/0x20 [ 25.596648][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.602456][ T102] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 25.607717][ T102] __device_attach+0x21a/0x390 [ 25.612457][ T102] ? device_bind_driver+0xd0/0xd0 [ 25.617457][ T102] bus_probe_device+0x1e4/0x290 [ 25.622282][ T102] device_add+0x1367/0x1c20 [ 25.626797][ T102] ? device_link_remove+0x110/0x110 [ 25.632003][ T102] usb_new_device.cold+0x552/0xf6e [ 25.637105][ T102] ? hub_disconnect+0x4a0/0x4a0 [ 25.641943][ T102] ? mark_held_locks+0x9f/0xe0 [ 25.646684][ T102] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.651863][ T102] hub_event+0x226d/0x43c0 [ 25.656256][ T102] ? hub_port_debounce+0x350/0x350 [ 25.661347][ T102] ? umh_clean_and_save_pid+0x1/0xd0 [ 25.666622][ T102] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.672143][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.677400][ T102] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.682571][ T102] process_one_work+0x965/0x1630 [ 25.687495][ T102] ? lock_release+0x720/0x720 [ 25.692145][ T102] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.697502][ T102] ? rwlock_bug.part.0+0x90/0x90 [ 25.702421][ T102] worker_thread+0x96/0xe20 [ 25.706902][ T102] ? process_one_work+0x1630/0x1630 [ 25.712078][ T102] kthread+0x326/0x430 [ 25.716124][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 25.721472][ T102] ret_from_fork+0x24/0x30 [ 25.726676][ T102] Kernel Offset: disabled [ 25.731022][ T102] Rebooting in 86400 seconds..