INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.247136][ T78] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.497097][ T78] usb 1-1: Using ep0 maxpacket: 8 [ 25.617195][ T78] usb 1-1: config 0 has an invalid interface number: 133 but max is 0 [ 25.625437][ T78] usb 1-1: config 0 has no interface number 0 [ 25.631709][ T78] usb 1-1: config 0 interface 133 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 25.641558][ T78] usb 1-1: config 0 interface 133 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 25.651497][ T78] usb 1-1: New USB device found, idVendor=10cf, idProduct=5503, bcdDevice=fa.d2 [ 25.660690][ T78] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.670085][ T78] usb 1-1: config 0 descriptor?? [ 25.687317][ T1718] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 25.694767][ T1718] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 25.711225][ T78] ------------[ cut here ]------------ [ 25.716824][ T78] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 25.722892][ T78] WARNING: CPU: 1 PID: 78 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 25.732496][ T78] Kernel panic - not syncing: panic_on_warn set ... [ 25.739059][ T78] CPU: 1 PID: 78 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 25.746842][ T78] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.756883][ T78] Workqueue: usb_hub_wq hub_event [ 25.761882][ T78] Call Trace: [ 25.765150][ T78] dump_stack+0xef/0x16e [ 25.769379][ T78] ? usb_submit_urb+0x1110/0x13b0 [ 25.774380][ T78] panic+0x2aa/0x6e1 [ 25.778250][ T78] ? add_taint.cold+0x16/0x16 [ 25.782903][ T78] ? __probe_kernel_read+0x188/0x1d0 [ 25.788165][ T78] ? __warn.cold+0x14/0x30 [ 25.792556][ T78] ? __warn+0xd5/0x1c8 [ 25.796601][ T78] ? usb_submit_urb+0x1188/0x13b0 [ 25.801598][ T78] __warn.cold+0x2f/0x30 [ 25.805830][ T78] ? usb_submit_urb+0x1188/0x13b0 [ 25.810831][ T78] report_bug+0x27b/0x2f0 [ 25.815147][ T78] do_error_trap+0x12b/0x1e0 [ 25.819722][ T78] ? usb_submit_urb+0x1188/0x13b0 [ 25.824739][ T78] do_invalid_op+0x32/0x40 [ 25.829131][ T78] ? usb_submit_urb+0x1188/0x13b0 [ 25.834129][ T78] invalid_op+0x23/0x30 [ 25.838258][ T78] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 25.843865][ T78] Code: 4d 85 ed 74 2c e8 a8 84 e9 fd 4c 89 f7 e8 20 74 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 29 15 86 e8 10 b3 be fd <0f> 0b e9 20 f4 ff ff e8 7c 84 e9 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 25.863457][ T78] RSP: 0018:ffff8881d9187048 EFLAGS: 00010286 [ 25.869508][ T78] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 25.877459][ T78] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b230dfb [ 25.885422][ T78] RBP: ffff8881d5101f00 R08: ffff8881d9153100 R09: fffffbfff11aecad [ 25.893372][ T78] R10: fffffbfff11aecac R11: ffffffff88d76567 R12: 0000000000000001 [ 25.901322][ T78] R13: ffff8881ce7e9888 R14: ffff8881cf5c00a0 R15: ffff8881d5101d00 [ 25.909281][ T78] ? vprintk_func+0x7d/0x113 [ 25.913864][ T78] ? usb_submit_urb+0x1188/0x13b0 [ 25.918862][ T78] usb_start_wait_urb+0x108/0x2b0 [ 25.923860][ T78] ? sg_clean+0x230/0x230 [ 25.928169][ T78] ? kasan_unpoison_shadow+0x30/0x40 [ 25.933429][ T78] ? memset+0x20/0x40 [ 25.937386][ T78] usb_bulk_msg+0x228/0x550 [ 25.941864][ T78] vmk80xx_write_packet+0x1df/0x260 [ 25.947037][ T78] vmk80xx_auto_attach+0x13b1/0x17c0 [ 25.952308][ T78] comedi_auto_config+0x16e/0x250 [ 25.957309][ T78] usb_probe_interface+0x305/0x7a0 [ 25.962393][ T78] ? usb_probe_device+0x100/0x100 [ 25.967394][ T78] really_probe+0x281/0x6d0 [ 25.971882][ T78] driver_probe_device+0x104/0x210 [ 25.976975][ T78] __device_attach_driver+0x1c2/0x220 [ 25.982331][ T78] ? driver_allows_async_probing+0x160/0x160 [ 25.988285][ T78] bus_for_each_drv+0x162/0x1e0 [ 25.993111][ T78] ? bus_rescan_devices+0x20/0x20 [ 25.998113][ T78] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.003895][ T78] ? lockdep_hardirqs_on+0x382/0x580 [ 26.009155][ T78] __device_attach+0x217/0x360 [ 26.013897][ T78] ? device_bind_driver+0xd0/0xd0 [ 26.018926][ T78] bus_probe_device+0x1e4/0x290 [ 26.023784][ T78] device_add+0x1480/0x1c20 [ 26.028268][ T78] ? wait_for_completion+0x3c0/0x3c0 [ 26.033531][ T78] ? device_links_flush_sync_list+0x350/0x350 [ 26.039598][ T78] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.045389][ T78] usb_set_configuration+0xe67/0x1740 [ 26.050741][ T78] generic_probe+0x9d/0xd5 [ 26.055135][ T78] usb_probe_device+0x99/0x100 [ 26.059876][ T78] ? usb_suspend+0x620/0x620 [ 26.064442][ T78] really_probe+0x281/0x6d0 [ 26.068925][ T78] driver_probe_device+0x104/0x210 [ 26.074008][ T78] __device_attach_driver+0x1c2/0x220 [ 26.079357][ T78] ? driver_allows_async_probing+0x160/0x160 [ 26.085351][ T78] bus_for_each_drv+0x162/0x1e0 [ 26.090177][ T78] ? bus_rescan_devices+0x20/0x20 [ 26.095295][ T78] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.101093][ T78] ? lockdep_hardirqs_on+0x382/0x580 [ 26.106361][ T78] __device_attach+0x217/0x360 [ 26.111102][ T78] ? device_bind_driver+0xd0/0xd0 [ 26.116138][ T78] bus_probe_device+0x1e4/0x290 [ 26.120968][ T78] device_add+0x1480/0x1c20 [ 26.125448][ T78] ? device_links_flush_sync_list+0x350/0x350 [ 26.131490][ T78] usb_new_device.cold+0x6a4/0xe79 [ 26.136576][ T78] hub_event+0x1e59/0x3860 [ 26.140974][ T78] ? hub_port_debounce+0x260/0x260 [ 26.146075][ T78] ? find_held_lock+0x2d/0x110 [ 26.150813][ T78] ? mark_held_locks+0xe0/0xe0 [ 26.155556][ T78] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.161077][ T78] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.166341][ T78] process_one_work+0x92b/0x1530 [ 26.171277][ T78] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.176625][ T78] ? do_raw_spin_lock+0x11a/0x280 [ 26.181624][ T78] worker_thread+0x96/0xe20 [ 26.186105][ T78] ? process_one_work+0x1530/0x1530 [ 26.191280][ T78] kthread+0x318/0x420 [ 26.195322][ T78] ? kthread_create_on_node+0xf0/0xf0 [ 26.200672][ T78] ret_from_fork+0x24/0x30 [ 26.205881][ T78] Kernel Offset: disabled [ 26.210233][ T78] Rebooting in 86400 seconds..