[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. [ 15.549531][ 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 '10.128.0.144' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.905707][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 64.145722][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 64.265822][ T83] usb 1-1: config 0 has an invalid interface number: 232 but max is 0 [ 64.274209][ T83] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 64.284316][ T83] usb 1-1: config 0 has no interface number 0 [ 64.290588][ T83] usb 1-1: config 0 interface 232 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 759 [ 64.300859][ T83] usb 1-1: config 0 interface 232 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 0 [ 64.310823][ T83] usb 1-1: New USB device found, idVendor=1781, idProduct=0938, bcdDevice= e.a9 [ 64.319891][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.329068][ T83] usb 1-1: config 0 descriptor?? [ 64.367609][ T83] ------------[ cut here ]------------ [ 64.373154][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 64.379218][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 64.388659][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 64.395315][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc7+ #0 [ 64.402657][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.412698][ T83] Workqueue: usb_hub_wq hub_event [ 64.417697][ T83] Call Trace: [ 64.420965][ T83] dump_stack+0xca/0x13e [ 64.425187][ T83] ? usb_submit_urb+0x10c0/0x13b0 [ 64.430185][ T83] panic+0x2a3/0x6da [ 64.434065][ T83] ? add_taint.cold+0x16/0x16 [ 64.438734][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 64.444005][ T83] ? __warn.cold+0x5/0x4a [ 64.448319][ T83] ? __warn+0xe3/0x1e0 [ 64.452381][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 64.457396][ T83] __warn.cold+0x20/0x4a [ 64.461616][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 64.466615][ T83] report_bug+0x262/0x2a0 [ 64.471008][ T83] do_error_trap+0x12b/0x1e0 [ 64.475580][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 64.480580][ T83] do_invalid_op+0x32/0x40 [ 64.484973][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 64.489973][ T83] invalid_op+0x23/0x30 [ 64.494109][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 64.499716][ T83] Code: 4d 85 ed 74 2c e8 f8 8e ef fd 4c 89 f7 e8 e0 b1 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 85 18 86 e8 1d 74 c5 fd <0f> 0b e9 20 f4 ff ff e8 cc 8e ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 64.519299][ T83] RSP: 0018:ffff8881d937f268 EFLAGS: 00010286 [ 64.525367][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 64.533317][ T83] RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b26fe3f [ 64.541270][ T83] RBP: ffff8881d530ce00 R08: ffff8881d9784800 R09: fffffbfff11ad79a [ 64.549239][ T83] R10: fffffbfff11ad799 R11: ffffffff88d6bccf R12: 0000000000000001 [ 64.557203][ T83] R13: ffff8881d4d1bc60 R14: ffff8881d32c00a0 R15: ffff8881d53fa900 [ 64.565163][ T83] ? vprintk_func+0x7d/0x113 [ 64.569757][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 64.574761][ T83] iguanair_probe+0x8fe/0x18d0 [ 64.579501][ T83] ? __pm_runtime_resume+0x111/0x180 [ 64.584776][ T83] usb_probe_interface+0x305/0x7a0 [ 64.590061][ T83] ? usb_probe_device+0x100/0x100 [ 64.595089][ T83] really_probe+0x281/0x6d0 [ 64.599581][ T83] driver_probe_device+0x101/0x1b0 [ 64.604677][ T83] __device_attach_driver+0x1c2/0x220 [ 64.610043][ T83] ? driver_allows_async_probing+0x160/0x160 [ 64.616005][ T83] bus_for_each_drv+0x162/0x1e0 [ 64.620839][ T83] ? bus_rescan_devices+0x20/0x20 [ 64.625873][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.631667][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 64.636937][ T83] __device_attach+0x217/0x360 [ 64.641686][ T83] ? device_bind_driver+0xd0/0xd0 [ 64.647048][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 64.652322][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 64.657600][ T83] bus_probe_device+0x1e4/0x290 [ 64.662461][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 64.668401][ T83] device_add+0xae6/0x16f0 [ 64.672874][ T83] ? uevent_store+0x50/0x50 [ 64.677423][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.683271][ T83] usb_set_configuration+0xdf6/0x1670 [ 64.688642][ T83] generic_probe+0x9d/0xd5 [ 64.693054][ T83] usb_probe_device+0x99/0x100 [ 64.698032][ T83] ? usb_suspend+0x620/0x620 [ 64.702854][ T83] really_probe+0x281/0x6d0 [ 64.707345][ T83] driver_probe_device+0x101/0x1b0 [ 64.712443][ T83] __device_attach_driver+0x1c2/0x220 [ 64.717807][ T83] ? driver_allows_async_probing+0x160/0x160 [ 64.723773][ T83] bus_for_each_drv+0x162/0x1e0 [ 64.728613][ T83] ? bus_rescan_devices+0x20/0x20 [ 64.733630][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 64.739430][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 64.744707][ T83] __device_attach+0x217/0x360 [ 64.749464][ T83] ? device_bind_driver+0xd0/0xd0 [ 64.754490][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 64.759781][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 64.765144][ T83] bus_probe_device+0x1e4/0x290 [ 64.770777][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 64.776691][ T83] device_add+0xae6/0x16f0 [ 64.781118][ T83] ? uevent_store+0x50/0x50 [ 64.785733][ T83] usb_new_device.cold+0x6a4/0xe79 [ 64.790831][ T83] hub_event+0x1b5c/0x3640 [ 64.795228][ T83] ? hub_port_debounce+0x260/0x260 [ 64.800338][ T83] process_one_work+0x92b/0x1530 [ 64.805273][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.810620][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 64.815636][ T83] worker_thread+0x96/0xe20 [ 64.820113][ T83] ? process_one_work+0x1530/0x1530 [ 64.825331][ T83] kthread+0x318/0x420 [ 64.829425][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 64.834798][ T83] ret_from_fork+0x24/0x30 [ 64.840065][ T83] Kernel Offset: disabled [ 64.844452][ T83] Rebooting in 86400 seconds..