[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. [ 15.041380][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.271045][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.511038][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 39.631151][ T12] usb 1-1: config 0 has an invalid interface number: 193 but max is 0 [ 39.639407][ T12] usb 1-1: config 0 has no interface number 0 [ 39.645641][ T12] usb 1-1: config 0 interface 193 altsetting 0 endpoint 0x8B has invalid maxpacket 2044, setting to 1024 [ 39.656875][ T12] usb 1-1: config 0 interface 193 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 1024 [ 39.667069][ T12] usb 1-1: New USB device found, idVendor=08ca, idProduct=0024, bcdDevice=42.ab [ 39.676109][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.685394][ T12] usb 1-1: config 0 descriptor?? [ 39.701272][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 39.971125][ T12] usb 1-1: string descriptor 0 read error: -71 [ 39.991094][ T12] aiptek 1-1:0.193: Aiptek using 400 ms programming speed [ 39.999373][ T12] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.193/input/input5 [ 40.008705][ T12] ------------[ cut here ]------------ [ 40.014349][ T12] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 40.020544][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 40.030112][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 40.036685][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 40.044991][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.055038][ T12] Workqueue: usb_hub_wq hub_event [ 40.060045][ T12] Call Trace: [ 40.063323][ T12] dump_stack+0xef/0x16e [ 40.067547][ T12] ? usb_submit_urb+0x1170/0x13b0 [ 40.072564][ T12] panic+0x2aa/0x6e1 [ 40.076484][ T12] ? add_taint.cold+0x16/0x16 [ 40.081144][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 40.086413][ T12] ? __warn.cold+0x14/0x30 [ 40.090816][ T12] ? __warn+0xd5/0x1c8 [ 40.094925][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.099937][ T12] __warn.cold+0x2f/0x30 [ 40.104169][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.109171][ T12] report_bug+0x27b/0x2f0 [ 40.113480][ T12] do_error_trap+0x12b/0x1e0 [ 40.118061][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.123074][ T12] do_invalid_op+0x32/0x40 [ 40.127482][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.132515][ T12] invalid_op+0x23/0x30 [ 40.136667][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 40.142284][ T12] Code: 4d 85 ed 74 2c e8 d8 8f e7 fd 4c 89 f7 e8 e0 2c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 5a 15 86 e8 50 ac bc fd <0f> 0b e9 20 f4 ff ff e8 ac 8f e7 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 40.161877][ T12] RSP: 0018:ffff8881da227070 EFLAGS: 00010286 [ 40.168058][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 40.176025][ T12] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b444e00 [ 40.183992][ T12] RBP: ffff8881cfd73b00 R08: ffff8881da211880 R09: ffffed103b64439f [ 40.191954][ T12] R10: ffffed103b64439e R11: ffff8881db221cf3 R12: 0000000000000001 [ 40.199926][ T12] R13: ffff8881ca361618 R14: ffff8881cf5910a0 R15: ffff8881d489eb00 [ 40.207901][ T12] ? vprintk_func+0x7d/0x113 [ 40.212492][ T12] aiptek_open+0xd5/0x130 [ 40.216817][ T12] input_open_device+0x16c/0x2c0 [ 40.221758][ T12] ? store_tabletXtilt+0x230/0x230 [ 40.226861][ T12] kbd_connect+0xfe/0x160 [ 40.231172][ T12] input_attach_handler+0x194/0x200 [ 40.236355][ T12] input_register_device.cold+0xf5/0x246 [ 40.241966][ T12] aiptek_probe.cold+0x28f/0x30d [ 40.246934][ T12] ? store_tabletExecute+0x80/0x80 [ 40.252071][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 40.257335][ T12] ? __pm_runtime_resume+0x111/0x180 [ 40.262611][ T12] usb_probe_interface+0x305/0x7a0 [ 40.267708][ T12] ? usb_probe_device+0x100/0x100 [ 40.272712][ T12] really_probe+0x281/0x6d0 [ 40.277194][ T12] driver_probe_device+0x104/0x210 [ 40.282293][ T12] __device_attach_driver+0x1c2/0x220 [ 40.287647][ T12] ? driver_allows_async_probing+0x160/0x160 [ 40.293603][ T12] bus_for_each_drv+0x162/0x1e0 [ 40.298440][ T12] ? bus_rescan_devices+0x20/0x20 [ 40.303442][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 40.309226][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 40.314502][ T12] __device_attach+0x217/0x360 [ 40.319255][ T12] ? device_bind_driver+0xd0/0xd0 [ 40.324262][ T12] bus_probe_device+0x1e4/0x290 [ 40.329092][ T12] device_add+0x1480/0x1c20 [ 40.333579][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 40.338853][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 40.344896][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 40.350681][ T12] usb_set_configuration+0xe67/0x1740 [ 40.356041][ T12] generic_probe+0x9d/0xd5 [ 40.360437][ T12] usb_probe_device+0x99/0x100 [ 40.365178][ T12] ? usb_suspend+0x620/0x620 [ 40.369745][ T12] really_probe+0x281/0x6d0 [ 40.374224][ T12] driver_probe_device+0x104/0x210 [ 40.379313][ T12] __device_attach_driver+0x1c2/0x220 [ 40.384665][ T12] ? driver_allows_async_probing+0x160/0x160 [ 40.390630][ T12] bus_for_each_drv+0x162/0x1e0 [ 40.395457][ T12] ? bus_rescan_devices+0x20/0x20 [ 40.400460][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 40.406244][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 40.411521][ T12] __device_attach+0x217/0x360 [ 40.416271][ T12] ? device_bind_driver+0xd0/0xd0 [ 40.421274][ T12] bus_probe_device+0x1e4/0x290 [ 40.426891][ T12] device_add+0x1480/0x1c20 [ 40.431371][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 40.437428][ T12] usb_new_device.cold+0x6a4/0xe79 [ 40.442524][ T12] hub_event+0x1e59/0x3860 [ 40.446919][ T12] ? hub_port_debounce+0x260/0x260 [ 40.452007][ T12] ? find_held_lock+0x2d/0x110 [ 40.456745][ T12] ? mark_held_locks+0xe0/0xe0 [ 40.461490][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 40.467017][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 40.472278][ T12] process_one_work+0x92b/0x1530 [ 40.477193][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.482542][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 40.487553][ T12] worker_thread+0x96/0xe20 [ 40.492046][ T12] ? process_one_work+0x1530/0x1530 [ 40.497263][ T12] kthread+0x318/0x420 [ 40.501314][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 40.506699][ T12] ret_from_fork+0x24/0x30 [ 40.511777][ T12] Kernel Offset: disabled [ 40.516135][ T12] Rebooting in 86400 seconds..