[info] Using makefile-style concurrent boot in runlevel 2. [ 14.441732][ C1] random: crng init done [....] 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 '10.128.0.204' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.976534][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.066763][ T95] usb 1-1: Using ep0 maxpacket: 8 [ 39.187047][ T95] usb 1-1: config 1 has an invalid interface number: 53 but max is 0 [ 39.195349][ T95] usb 1-1: config 1 has no interface number 0 [ 39.201705][ T95] usb 1-1: config 1 interface 53 altsetting 0 bulk endpoint 0xB has invalid maxpacket 64 [ 39.211626][ T95] usb 1-1: config 1 interface 53 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 39.221608][ T95] usb 1-1: config 1 interface 53 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 39.231507][ T95] usb 1-1: New USB device found, idVendor=10cf, idProduct=5503, bcdDevice=9e.56 [ 39.241161][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.267098][ T1797] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 39.290903][ T95] ------------[ cut here ]------------ [ 39.296596][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 39.302612][ T95] WARNING: CPU: 1 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 39.312050][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 39.318635][ T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 39.326771][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.337020][ T95] Workqueue: usb_hub_wq hub_event [ 39.342028][ T95] Call Trace: [ 39.345374][ T95] dump_stack+0xef/0x16e [ 39.349703][ T95] ? usb_submit_urb+0x1090/0x1460 [ 39.354843][ T95] panic+0x2aa/0x6e1 [ 39.358917][ T95] ? add_taint.cold+0x16/0x16 [ 39.363644][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 39.368998][ T95] ? __warn.cold+0x14/0x30 [ 39.373451][ T95] ? __warn+0xd5/0x1c8 [ 39.378172][ T95] ? usb_submit_urb+0x1188/0x1460 [ 39.383200][ T95] __warn.cold+0x2f/0x30 [ 39.387482][ T95] ? usb_submit_urb+0x1188/0x1460 [ 39.392495][ T95] report_bug+0x27b/0x2f0 [ 39.396944][ T95] do_error_trap+0x12b/0x1e0 [ 39.401527][ T95] ? usb_submit_urb+0x1188/0x1460 [ 39.406588][ T95] do_invalid_op+0x32/0x40 [ 39.410998][ T95] ? usb_submit_urb+0x1188/0x1460 [ 39.416017][ T95] invalid_op+0x23/0x30 [ 39.420221][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 39.425908][ T95] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 39.445615][ T95] RSP: 0018:ffff8881d583f010 EFLAGS: 00010286 [ 39.451665][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 39.459672][ T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab07df4 [ 39.467648][ T95] RBP: ffff8881d47d1e00 R08: ffff8881d5830000 R09: ffffed103b66439f [ 39.475619][ T95] R10: ffffed103b66439e R11: ffff8881db321cf3 R12: 0000000000000001 [ 39.483618][ T95] R13: ffff8881cdd74b40 R14: ffff8881cdbf20a0 R15: ffff8881d4674900 [ 39.491596][ T95] ? vprintk_func+0x7d/0x113 [ 39.496176][ T95] usb_start_wait_urb+0x108/0x4c0 [ 39.501181][ T95] ? sg_clean+0x230/0x230 [ 39.505579][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 39.510858][ T95] ? memset+0x20/0x40 [ 39.514826][ T95] usb_bulk_msg+0x228/0x550 [ 39.519383][ T95] vmk80xx_write_packet+0x1df/0x260 [ 39.524585][ T95] vmk80xx_auto_attach+0x13b1/0x17c0 [ 39.529926][ T95] comedi_auto_config+0x16e/0x250 [ 39.534958][ T95] usb_probe_interface+0x310/0x800 [ 39.540075][ T95] ? usb_probe_device+0x230/0x230 [ 39.545083][ T95] really_probe+0x290/0xac0 [ 39.549711][ T95] driver_probe_device+0x223/0x350 [ 39.554959][ T95] __device_attach_driver+0x1d1/0x290 [ 39.560333][ T95] ? driver_allows_async_probing+0x160/0x160 [ 39.566358][ T95] bus_for_each_drv+0x162/0x1e0 [ 39.571267][ T95] ? bus_rescan_devices+0x20/0x20 [ 39.576339][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.582143][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 39.587413][ T95] __device_attach+0x217/0x390 [ 39.592174][ T95] ? device_bind_driver+0xd0/0xd0 [ 39.597189][ T95] bus_probe_device+0x1e4/0x290 [ 39.602031][ T95] device_add+0x1459/0x1bf0 [ 39.606520][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 39.612012][ T95] ? device_link_remove+0x110/0x110 [ 39.617252][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.623062][ T95] usb_set_configuration+0xe47/0x17d0 [ 39.628507][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 39.633951][ T95] usb_probe_device+0xd9/0x230 [ 39.638713][ T95] ? usb_suspend+0x5f0/0x5f0 [ 39.643353][ T95] really_probe+0x290/0xac0 [ 39.647930][ T95] driver_probe_device+0x223/0x350 [ 39.653047][ T95] __device_attach_driver+0x1d1/0x290 [ 39.658408][ T95] ? driver_allows_async_probing+0x160/0x160 [ 39.664381][ T95] bus_for_each_drv+0x162/0x1e0 [ 39.669230][ T95] ? bus_rescan_devices+0x20/0x20 [ 39.674251][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.680056][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 39.685343][ T95] __device_attach+0x217/0x390 [ 39.690153][ T95] ? device_bind_driver+0xd0/0xd0 [ 39.695175][ T95] bus_probe_device+0x1e4/0x290 [ 39.700030][ T95] device_add+0x1459/0x1bf0 [ 39.704661][ T95] ? device_link_remove+0x110/0x110 [ 39.709849][ T95] usb_new_device.cold+0x540/0xcd0 [ 39.714975][ T95] hub_event+0x21cb/0x4300 [ 39.719410][ T95] ? hub_port_debounce+0x350/0x350 [ 39.724662][ T95] ? find_held_lock+0x2d/0x110 [ 39.729474][ T95] ? mark_held_locks+0xe0/0xe0 [ 39.734244][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 39.739791][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 39.745096][ T95] process_one_work+0x94b/0x1620 [ 39.750043][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.755399][ T95] ? do_raw_spin_lock+0x129/0x290 [ 39.760462][ T95] worker_thread+0x96/0xe20 [ 39.764963][ T95] ? process_one_work+0x1620/0x1620 [ 39.770254][ T95] kthread+0x318/0x420 [ 39.774395][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 39.779780][ T95] ret_from_fork+0x24/0x30 [ 39.784862][ T95] Kernel Offset: disabled [ 39.789225][ T95] Rebooting in 86400 seconds..