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 '10.128.0.217' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.406794][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 63.646756][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 63.766780][ T12] usb 1-1: config 6 has an invalid interface number: 14 but max is 0 [ 63.774998][ T12] usb 1-1: config 6 has no interface number 0 [ 63.781169][ T12] usb 1-1: config 6 interface 14 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 4 [ 63.790954][ T12] usb 1-1: New USB device found, idVendor=133e, idProduct=0815, bcdDevice=a4.d4 [ 63.800023][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.849000][ T12] ------------[ cut here ]------------ [ 63.854529][ T12] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 63.860763][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 63.870214][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 63.876806][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #15 [ 63.884254][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.894402][ T12] Workqueue: usb_hub_wq hub_event [ 63.899406][ T12] Call Trace: [ 63.902683][ T12] dump_stack+0xca/0x13e [ 63.906910][ T12] ? usb_submit_urb+0x10b0/0x13b0 [ 63.911909][ T12] panic+0x292/0x6c9 [ 63.915788][ T12] ? __warn_printk+0xf3/0xf3 [ 63.920360][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 63.925377][ T12] ? __probe_kernel_read+0x16c/0x1b0 [ 63.930643][ T12] ? __warn.cold+0x5/0x4b [ 63.934947][ T12] ? __warn+0xe4/0x1c0 [ 63.938994][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 63.943999][ T12] __warn.cold+0x20/0x4b [ 63.948217][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 63.953213][ T12] report_bug+0x262/0x2a0 [ 63.957520][ T12] do_error_trap+0x12b/0x1e0 [ 63.962086][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 63.967090][ T12] do_invalid_op+0x32/0x40 [ 63.971483][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 63.976673][ T12] invalid_op+0x14/0x20 [ 63.980827][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 63.986448][ 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 [ 64.006034][ T12] RSP: 0018:ffff8881d9e0ef00 EFLAGS: 00010282 [ 64.012073][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 64.020028][ T12] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3c1dd2 [ 64.028027][ T12] RBP: ffff8881d39fdd00 R08: ffff8881d9df9800 R09: 0000000000000000 [ 64.036030][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 64.044060][ T12] R13: ffff8881cdc57b40 R14: ffff8881cff78920 R15: ffff8881d4a84900 [ 64.052158][ T12] ? vprintk_func+0x7d/0x113 [ 64.056741][ T12] usb_start_wait_urb+0x108/0x2b0 [ 64.061744][ T12] ? sg_clean+0x230/0x230 [ 64.066046][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 64.071309][ T12] ? memset+0x20/0x40 [ 64.075267][ T12] usb_bulk_msg+0x228/0x550 [ 64.079751][ T12] snd_usb_apply_boot_quirk+0x99e/0xb30 [ 64.085274][ T12] ? __lock_acquire+0x54a/0x5340 [ 64.090188][ T12] ? snd_usb_apply_interface_quirk+0x5f0/0x5f0 [ 64.096367][ T12] ? mark_held_locks+0xe0/0xe0 [ 64.101239][ T12] ? find_held_lock+0x2d/0x110 [ 64.105985][ T12] ? kernfs_add_one+0x377/0x4d0 [ 64.110853][ T12] ? mark_held_locks+0xe0/0xe0 [ 64.115641][ T12] ? __pm_runtime_set_status+0x702/0xa10 [ 64.121725][ T12] ? pm_runtime_enable+0x2a/0x310 [ 64.126779][ T12] usb_audio_probe+0x2ec/0x2010 [ 64.131733][ T12] ? usb_probe_interface+0x580/0x7a0 [ 64.136997][ T12] ? usb_audio_resume+0x20/0x20 [ 64.141822][ T12] ? pm_runtime_enable+0x2a/0x310 [ 64.146824][ T12] ? mark_held_locks+0x9f/0xe0 [ 64.151639][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.157435][ T12] usb_probe_interface+0x305/0x7a0 [ 64.162532][ T12] ? usb_probe_device+0x100/0x100 [ 64.167537][ T12] really_probe+0x281/0x660 [ 64.172024][ T12] driver_probe_device+0x104/0x210 [ 64.177135][ T12] __device_attach_driver+0x1c2/0x220 [ 64.182484][ T12] ? driver_allows_async_probing+0x160/0x160 [ 64.188442][ T12] bus_for_each_drv+0x15c/0x1e0 [ 64.193313][ T12] ? bus_rescan_devices+0x20/0x20 [ 64.198327][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.204301][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 64.209570][ T12] __device_attach+0x217/0x360 [ 64.214432][ T12] ? device_bind_driver+0xd0/0xd0 [ 64.219585][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 64.224854][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 64.230122][ T12] bus_probe_device+0x1e4/0x290 [ 64.234956][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 64.240828][ T12] device_add+0xae6/0x16f0 [ 64.245285][ T12] ? uevent_store+0x50/0x50 [ 64.249770][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.255686][ T12] usb_set_configuration+0xdf6/0x1670 [ 64.261072][ T12] generic_probe+0x9d/0xd5 [ 64.265469][ T12] usb_probe_device+0x99/0x100 [ 64.270211][ T12] ? usb_suspend+0x620/0x620 [ 64.274779][ T12] really_probe+0x281/0x660 [ 64.279270][ T12] driver_probe_device+0x104/0x210 [ 64.284360][ T12] __device_attach_driver+0x1c2/0x220 [ 64.289710][ T12] ? driver_allows_async_probing+0x160/0x160 [ 64.295659][ T12] bus_for_each_drv+0x15c/0x1e0 [ 64.300480][ T12] ? bus_rescan_devices+0x20/0x20 [ 64.305489][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.311268][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 64.316531][ T12] __device_attach+0x217/0x360 [ 64.321283][ T12] ? device_bind_driver+0xd0/0xd0 [ 64.326285][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 64.331582][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 64.336857][ T12] bus_probe_device+0x1e4/0x290 [ 64.341682][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 64.347580][ T12] device_add+0xae6/0x16f0 [ 64.351978][ T12] ? uevent_store+0x50/0x50 [ 64.356460][ T12] usb_new_device.cold+0x6a4/0xe61 [ 64.361547][ T12] hub_event+0x1abd/0x3550 [ 64.365934][ T12] ? hub_port_debounce+0x260/0x260 [ 64.371092][ T12] process_one_work+0x905/0x1570 [ 64.376017][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.381371][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 64.386403][ T12] worker_thread+0x96/0xe20 [ 64.390889][ T12] ? process_one_work+0x1570/0x1570 [ 64.396172][ T12] kthread+0x30b/0x410 [ 64.400230][ T12] ? kthread_park+0x1a0/0x1a0 [ 64.404887][ T12] ret_from_fork+0x24/0x30 [ 64.409697][ T12] Kernel Offset: disabled [ 64.414044][ T12] Rebooting in 86400 seconds..