[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. [ 14.233746][ 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 '10.128.1.11' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 60.811131][ T21] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 61.171178][ T21] usb 1-1: config 0 has an invalid interface number: 7 but max is 0 [ 61.179272][ T21] usb 1-1: config 0 has no interface number 0 [ 61.185588][ T21] usb 1-1: config 0 interface 7 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 10 [ 61.196704][ T21] usb 1-1: config 0 interface 7 altsetting 0 endpoint 0x81 has invalid maxpacket 129, setting to 64 [ 61.207520][ T21] usb 1-1: config 0 interface 7 altsetting 0 endpoint 0xF has invalid maxpacket 368, setting to 64 [ 61.218228][ T21] usb 1-1: New USB device found, idVendor=0bc7, idProduct=0003, bcdDevice=2f.f7 [ 61.227270][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 61.236304][ T21] usb 1-1: config 0 descriptor?? [ 61.283009][ T21] ------------[ cut here ]------------ [ 61.288683][ T21] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 61.294726][ T21] WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 61.304159][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 61.310834][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 [ 61.318280][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.328343][ T21] Workqueue: usb_hub_wq hub_event [ 61.333351][ T21] Call Trace: [ 61.336628][ T21] dump_stack+0xca/0x13e [ 61.340848][ T21] ? usb_submit_urb+0x10b0/0x13b0 [ 61.345847][ T21] panic+0x292/0x6c9 [ 61.349717][ T21] ? __warn_printk+0xf3/0xf3 [ 61.354376][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 61.359399][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 61.364665][ T21] ? __warn.cold+0x5/0x4b [ 61.369065][ T21] ? __warn+0xe4/0x1c0 [ 61.373133][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 61.378148][ T21] __warn.cold+0x20/0x4b [ 61.382369][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 61.387368][ T21] report_bug+0x262/0x2a0 [ 61.391674][ T21] do_error_trap+0x12b/0x1e0 [ 61.396244][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 61.401242][ T21] do_invalid_op+0x32/0x40 [ 61.405629][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 61.410626][ T21] invalid_op+0x14/0x20 [ 61.414758][ T21] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 61.420370][ T21] 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 [ 61.439950][ T21] RSP: 0018:ffff8881d9eff130 EFLAGS: 00010282 [ 61.445989][ T21] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 61.453935][ T21] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfe18 [ 61.461889][ T21] RBP: ffff8881d40c7150 R08: ffff8881d9e36000 R09: 0000000000000000 [ 61.469834][ T21] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 61.477843][ T21] R13: ffff8881c7bb6450 R14: ffff8881d05d3c20 R15: ffff8881d409da00 [ 61.485820][ T21] ? vprintk_func+0x7d/0x113 [ 61.490392][ T21] ati_remote_sendpacket+0x1ee/0x540 [ 61.495668][ T21] ? snprintf+0xbb/0xf0 [ 61.499814][ T21] ? ati_remote_irq_out+0xe0/0xe0 [ 61.504821][ T21] ? lockdep_init_map+0x1b0/0x5e0 [ 61.509822][ T21] ? lockdep_init_map+0x1b0/0x5e0 [ 61.514923][ T21] ati_remote_probe+0x1254/0x1fda [ 61.520151][ T21] usb_probe_interface+0x305/0x7a0 [ 61.525337][ T21] ? usb_probe_device+0x100/0x100 [ 61.530356][ T21] really_probe+0x281/0x660 [ 61.534928][ T21] driver_probe_device+0x104/0x210 [ 61.540035][ T21] __device_attach_driver+0x1c2/0x220 [ 61.545481][ T21] ? driver_allows_async_probing+0x160/0x160 [ 61.551453][ T21] bus_for_each_drv+0x15c/0x1e0 [ 61.556283][ T21] ? bus_rescan_devices+0x20/0x20 [ 61.561281][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.567161][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 61.572439][ T21] __device_attach+0x217/0x360 [ 61.577187][ T21] ? device_bind_driver+0xd0/0xd0 [ 61.582295][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 61.587672][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 61.592940][ T21] bus_probe_device+0x1e4/0x290 [ 61.597987][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 61.603860][ T21] device_add+0xae6/0x16f0 [ 61.608256][ T21] ? uevent_store+0x50/0x50 [ 61.612921][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.618899][ T21] usb_set_configuration+0xdf6/0x1670 [ 61.624251][ T21] generic_probe+0x9d/0xd5 [ 61.628764][ T21] usb_probe_device+0x99/0x100 [ 61.633514][ T21] ? usb_suspend+0x620/0x620 [ 61.638091][ T21] really_probe+0x281/0x660 [ 61.642575][ T21] driver_probe_device+0x104/0x210 [ 61.647663][ T21] __device_attach_driver+0x1c2/0x220 [ 61.653007][ T21] ? driver_allows_async_probing+0x160/0x160 [ 61.666963][ T21] bus_for_each_drv+0x15c/0x1e0 [ 61.671953][ T21] ? bus_rescan_devices+0x20/0x20 [ 61.677301][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.683086][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 61.688484][ T21] __device_attach+0x217/0x360 [ 61.693233][ T21] ? device_bind_driver+0xd0/0xd0 [ 61.698437][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 61.703701][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 61.709083][ T21] bus_probe_device+0x1e4/0x290 [ 61.713995][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 61.719886][ T21] device_add+0xae6/0x16f0 [ 61.724288][ T21] ? uevent_store+0x50/0x50 [ 61.728769][ T21] usb_new_device.cold+0x6a4/0xe61 [ 61.733862][ T21] hub_event+0x1abd/0x3550 [ 61.738314][ T21] ? hub_port_debounce+0x260/0x260 [ 61.743472][ T21] process_one_work+0x905/0x1570 [ 61.748408][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 61.753815][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 61.758913][ T21] worker_thread+0x96/0xe20 [ 61.763402][ T21] ? process_one_work+0x1570/0x1570 [ 61.768580][ T21] kthread+0x30b/0x410 [ 61.772628][ T21] ? kthread_park+0x1a0/0x1a0 [ 61.777293][ T21] ret_from_fork+0x24/0x30 [ 61.782306][ T21] Kernel Offset: disabled [ 61.786656][ T21] Rebooting in 86400 seconds..