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 '10.128.10.63' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.718440][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 43.078502][ T12] usb 1-1: config index 0 descriptor too short (expected 27, got 21) [ 43.086674][ T12] usb 1-1: config 0 has an invalid interface number: 235 but max is 0 [ 43.094943][ T12] usb 1-1: config 0 has an invalid descriptor of length 7, skipping remainder of the config [ 43.105065][ T12] usb 1-1: config 0 has no interface number 0 [ 43.111223][ T12] usb 1-1: config 0 interface 235 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 43.124323][ T12] usb 1-1: New USB device found, idVendor=126f, idProduct=a006, bcdDevice=17.22 [ 43.133406][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.142850][ T12] usb 1-1: config 0 descriptor?? executing program [ 43.338432][ T12] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 43.788425][ T12] usb 1-1: device descriptor read/64, error -71 executing program [ 44.468529][ T12] usb 1-1: read over firmware interface failed: -71 [ 44.838474][ T12] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 45.198860][ T12] WARNING: CPU: 0 PID: 12 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 zd_mac_clear+0xbd/0xe0 [ 45.209832][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 45.216419][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #13 [ 45.223847][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.233949][ T12] Workqueue: usb_hub_wq hub_event [ 45.238981][ T12] Call Trace: [ 45.242284][ T12] dump_stack+0xca/0x13e [ 45.246524][ T12] ? zd_mac_init_hw+0x3b0/0x3d0 [ 45.251394][ T12] panic+0x292/0x6c9 [ 45.255281][ T12] ? __warn_printk+0xf3/0xf3 [ 45.260234][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.264751][ T12] ? __probe_kernel_read+0x16c/0x1b0 [ 45.270027][ T12] ? __warn.cold+0x5/0x4b [ 45.274367][ T12] ? __warn+0xe4/0x1c0 [ 45.278521][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.285159][ T12] __warn.cold+0x20/0x4b [ 45.289412][ T12] ? lock_downgrade+0x630/0x630 [ 45.298781][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.303316][ T12] report_bug+0x262/0x2a0 [ 45.307651][ T12] do_error_trap+0x12b/0x1e0 [ 45.312242][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.316740][ T12] do_invalid_op+0x32/0x40 [ 45.321152][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.325702][ T12] invalid_op+0x14/0x20 [ 45.329956][ T12] RIP: 0010:zd_mac_clear+0xbd/0xe0 [ 45.335060][ T12] 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 [ 45.354672][ T12] RSP: 0018:ffff8881d9e0f1b8 EFLAGS: 00010293 [ 45.360752][ T12] RAX: ffff8881d9df9800 RBX: 0000000000000000 RCX: ffffffff83395cd4 [ 45.368775][ T12] RDX: 0000000000000000 RSI: ffffffff83395cdd RDI: 0000000000000005 [ 45.376803][ T12] RBP: ffff8881cf582560 R08: ffff8881d9df9800 R09: ffff8881cf582560 [ 45.379270][ T1736] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 45.384778][ T12] R10: ffffed1039eb0a27 R11: ffff8881cf58513f R12: ffff8881cf580b20 [ 45.384807][ T12] R13: 1ffff1103b3c1e3c R14: 00000000ffffffb9 R15: ffffffff861541d8 [ 45.384828][ T12] ? zd_mac_clear+0xb4/0xe0 [ 45.393433][ T1736] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 45.401102][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.425564][ T12] ? zd_mac_clear+0xbd/0xe0 [ 45.430072][ T12] probe.cold+0x3ef/0x4a8 [ 45.434395][ T12] ? post_reset+0x150/0x150 [ 45.438889][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 45.444177][ T12] usb_probe_interface+0x305/0x7a0 [ 45.449289][ T12] ? usb_probe_device+0x100/0x100 [ 45.454324][ T12] really_probe+0x281/0x660 [ 45.458926][ T12] driver_probe_device+0x104/0x210 [ 45.464051][ T12] __device_attach_driver+0x1c2/0x220 [ 45.469418][ T12] ? driver_allows_async_probing+0x160/0x160 [ 45.475388][ T12] bus_for_each_drv+0x15c/0x1e0 [ 45.480233][ T12] ? bus_rescan_devices+0x20/0x20 [ 45.485258][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.491055][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 45.496335][ T12] __device_attach+0x217/0x360 [ 45.501086][ T12] ? device_bind_driver+0xd0/0xd0 [ 45.506094][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 45.511359][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 45.516628][ T12] bus_probe_device+0x1e4/0x290 [ 45.521469][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 45.527352][ T12] device_add+0xae6/0x16f0 [ 45.531753][ T12] ? uevent_store+0x50/0x50 [ 45.536244][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.542054][ T12] usb_set_configuration+0xdf6/0x1670 [ 45.547415][ T12] generic_probe+0x9d/0xd5 [ 45.551816][ T12] usb_probe_device+0x99/0x100 [ 45.556562][ T12] ? usb_suspend+0x620/0x620 [ 45.561236][ T12] really_probe+0x281/0x660 [ 45.565720][ T12] driver_probe_device+0x104/0x210 [ 45.570824][ T12] __device_attach_driver+0x1c2/0x220 [ 45.576187][ T12] ? driver_allows_async_probing+0x160/0x160 [ 45.582155][ T12] bus_for_each_drv+0x15c/0x1e0 [ 45.586992][ T12] ? bus_rescan_devices+0x20/0x20 [ 45.592132][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.597925][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 45.603199][ T12] __device_attach+0x217/0x360 [ 45.607950][ T12] ? device_bind_driver+0xd0/0xd0 [ 45.612957][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 45.618225][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 45.623515][ T12] bus_probe_device+0x1e4/0x290 [ 45.628382][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 45.634268][ T12] device_add+0xae6/0x16f0 [ 45.638667][ T12] ? uevent_store+0x50/0x50 [ 45.643155][ T12] usb_new_device.cold+0x8c1/0x1016 [ 45.648341][ T12] ? usb_port_suspend+0xa40/0xa40 [ 45.653379][ T12] ? mark_held_locks+0x9f/0xe0 [ 45.658193][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 45.663375][ T12] hub_event+0x1ada/0x3590 [ 45.667774][ T12] ? hub_port_debounce+0x260/0x260 [ 45.672867][ T12] process_one_work+0x905/0x1570 [ 45.677790][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 45.683143][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 45.688185][ T12] worker_thread+0x96/0xe20 [ 45.692673][ T12] ? process_one_work+0x1570/0x1570 [ 45.697869][ T12] kthread+0x30b/0x410 [ 45.701956][ T12] ? kthread_park+0x1a0/0x1a0 [ 45.706691][ T12] ret_from_fork+0x24/0x30 [ 45.711912][ T12] Kernel Offset: disabled [ 45.716360][ T12] Rebooting in 86400 seconds..