[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [ 14.892731][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.755889][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.115875][ T21] usb 1-1: config 2 has an invalid interface number: 168 but max is 0 [ 50.124130][ T21] usb 1-1: config 2 has an invalid descriptor of length 0, skipping remainder of the config [ 50.134272][ T21] usb 1-1: config 2 has no interface number 0 [ 50.140424][ T21] usb 1-1: config 2 interface 168 altsetting 1 has 0 endpoint descriptors, different from the interface descriptor's value: 2 [ 50.153509][ T21] usb 1-1: config 2 interface 168 has no altsetting 0 [ 50.160344][ T21] usb 1-1: New USB device found, idVendor=13b1, idProduct=001e, bcdDevice=fc.bb [ 50.169545][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 50.375861][ T21] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 50.825864][ T21] usb 1-1: device descriptor read/64, error -71 executing program [ 51.705916][ T21] usb 1-1: read over firmware interface failed: -71 [ 52.075822][ T21] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 52.636120][ T21] WARNING: CPU: 1 PID: 21 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 zd_mac_clear+0xbd/0xe0 [ 52.647130][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 52.653786][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 52.661489][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.671560][ T21] Workqueue: usb_hub_wq hub_event [ 52.676666][ T21] Call Trace: [ 52.679999][ T21] dump_stack+0xca/0x13e [ 52.684242][ T21] ? zd_mac_init_hw+0x3b0/0x3d0 [ 52.689083][ T21] panic+0x292/0x6c9 [ 52.692984][ T21] ? __warn_printk+0xf3/0xf3 [ 52.697695][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.702203][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 52.707490][ T21] ? __warn.cold+0x5/0x4b [ 52.711825][ T21] ? __warn+0xe4/0x1c0 [ 52.715886][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.720386][ T21] __warn.cold+0x20/0x4b [ 52.724625][ T21] ? lock_downgrade+0x630/0x630 [ 52.729466][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.733963][ T21] report_bug+0x262/0x2a0 [ 52.738294][ T21] do_error_trap+0x12b/0x1e0 [ 52.742871][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.747375][ T21] do_invalid_op+0x32/0x40 [ 52.751793][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.756317][ T21] invalid_op+0x14/0x20 [ 52.760573][ T21] RIP: 0010:zd_mac_clear+0xbd/0xe0 [ 52.765683][ T21] Code: e8 f8 7e 03 fe 48 8d bd f8 2b 00 00 be ff ff ff ff e8 b7 bf ea fd 31 ff 89 c3 89 c6 e8 4c 80 03 fe 85 db 75 c2 e8 d3 7e 03 fe <0f> 0b eb b9 48 c7 c7 b4 14 ad 87 e8 73 6f 29 fe eb 98 48 c7 c7 80 [ 52.785287][ T21] RSP: 0018:ffff8881d9eff1b8 EFLAGS: 00010293 [ 52.791670][ T21] RAX: ffff8881d9e36000 RBX: 0000000000000000 RCX: ffffffff83395cd4 [ 52.799643][ T21] RDX: 0000000000000000 RSI: ffffffff83395cdd RDI: 0000000000000005 [ 52.807674][ T21] RBP: ffff8881cfdca560 R08: ffff8881d9e36000 R09: ffff8881cfdca560 [ 52.815662][ T21] R10: ffffed1039fb9a27 R11: ffff8881cfdcd13f R12: ffff8881cfdc8b20 [ 52.816966][ T1738] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 52.836987][ T21] R13: 1ffff1103b3dfe3c R14: 00000000ffffffb9 R15: ffffffff86154218 [ 52.837041][ T21] ? zd_mac_clear+0xb4/0xe0 [ 52.837050][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.837062][ T21] ? zd_mac_clear+0xbd/0xe0 [ 52.837073][ T21] probe.cold+0x3ef/0x4a8 [ 52.837084][ T21] ? post_reset+0x150/0x150 [ 52.837097][ T21] ? wait_for_completion+0x3c0/0x3c0 [ 52.837111][ T21] usb_probe_interface+0x305/0x7a0 [ 52.837131][ T21] ? usb_probe_device+0x100/0x100 [ 52.837142][ T21] really_probe+0x281/0x660 [ 52.848552][ T1738] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 52.853436][ T21] driver_probe_device+0x104/0x210 [ 52.908263][ T21] __device_attach_driver+0x1c2/0x220 [ 52.913641][ T21] ? driver_allows_async_probing+0x160/0x160 [ 52.920390][ T21] bus_for_each_drv+0x15c/0x1e0 [ 52.925401][ T21] ? bus_rescan_devices+0x20/0x20 [ 52.930413][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 52.936197][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 52.941468][ T21] __device_attach+0x217/0x360 [ 52.946219][ T21] ? device_bind_driver+0xd0/0xd0 [ 52.951228][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 52.956530][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 52.961808][ T21] bus_probe_device+0x1e4/0x290 [ 52.966646][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 52.972528][ T21] device_add+0xae6/0x16f0 [ 52.977162][ T21] ? uevent_store+0x50/0x50 [ 52.981655][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 52.987507][ T21] usb_set_configuration+0xdf6/0x1670 [ 52.993009][ T21] generic_probe+0x9d/0xd5 [ 52.997420][ T21] usb_probe_device+0x99/0x100 [ 53.002210][ T21] ? usb_suspend+0x620/0x620 [ 53.006829][ T21] really_probe+0x281/0x660 [ 53.011322][ T21] driver_probe_device+0x104/0x210 [ 53.016425][ T21] __device_attach_driver+0x1c2/0x220 [ 53.021787][ T21] ? driver_allows_async_probing+0x160/0x160 [ 53.027756][ T21] bus_for_each_drv+0x15c/0x1e0 [ 53.032598][ T21] ? bus_rescan_devices+0x20/0x20 [ 53.037623][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.043566][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 53.048929][ T21] __device_attach+0x217/0x360 [ 53.053679][ T21] ? device_bind_driver+0xd0/0xd0 [ 53.058694][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 53.063968][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 53.069235][ T21] bus_probe_device+0x1e4/0x290 [ 53.074077][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.079971][ T21] device_add+0xae6/0x16f0 [ 53.084374][ T21] ? uevent_store+0x50/0x50 [ 53.088864][ T21] usb_new_device.cold+0x8c1/0x1016 [ 53.094273][ T21] ? usb_port_suspend+0xa40/0xa40 [ 53.099289][ T21] ? mark_held_locks+0x9f/0xe0 [ 53.104039][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.109223][ T21] hub_event+0x1ada/0x3590 [ 53.113641][ T21] ? hub_port_debounce+0x260/0x260 [ 53.118740][ T21] process_one_work+0x905/0x1570 [ 53.123658][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.129009][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 53.134016][ T21] worker_thread+0x96/0xe20 [ 53.140457][ T21] ? process_one_work+0x1570/0x1570 [ 53.145642][ T21] kthread+0x30b/0x410 [ 53.149775][ T21] ? kthread_park+0x1a0/0x1a0 [ 53.154467][ T21] ret_from_fork+0x24/0x30 [ 53.159520][ T21] Kernel Offset: disabled [ 53.164049][ T21] Rebooting in 86400 seconds..