[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. [ 14.345981][ 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 '10.128.0.78' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.712221][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 58.072233][ T12] usb 1-1: config 0 has an invalid interface number: 212 but max is 0 [ 58.080491][ T12] usb 1-1: config 0 has no interface number 0 [ 58.091024][ T12] usb 1-1: New USB device found, idVendor=157e, idProduct=300d, bcdDevice=f2.5c [ 58.103141][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.112177][ T12] usb 1-1: config 0 descriptor?? executing program [ 58.312218][ T12] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 58.782191][ T12] usb 1-1: device descriptor read/64, error -71 executing program [ 59.472281][ T12] usb 1-1: read over firmware interface failed: -71 [ 59.842177][ T12] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 60.202577][ T12] WARNING: CPU: 0 PID: 12 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238 zd_mac_clear+0xbd/0xe0 [ 60.213445][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 60.220013][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc1+ #10 [ 60.227826][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.238243][ T12] Workqueue: usb_hub_wq hub_event [ 60.243253][ T12] Call Trace: [ 60.246533][ T12] dump_stack+0xca/0x13e [ 60.250765][ T12] ? zd_mac_clear+0x40/0xe0 [ 60.255255][ T12] panic+0x292/0x6c9 [ 60.259134][ T12] ? __warn_printk+0xf3/0xf3 [ 60.263706][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.268360][ T12] ? __probe_kernel_read+0x16c/0x1b0 [ 60.273837][ T12] ? __warn.cold+0x5/0x4b [ 60.278157][ T12] ? __warn+0xe4/0x1c0 [ 60.282208][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.286688][ T12] __warn.cold+0x20/0x4b [ 60.290917][ T12] ? lock_downgrade+0x630/0x630 [ 60.295806][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.300303][ T12] report_bug+0x262/0x2a0 [ 60.304619][ T12] do_error_trap+0x12b/0x1e0 [ 60.309187][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.313675][ T12] do_invalid_op+0x32/0x40 [ 60.318074][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.322573][ T12] invalid_op+0x14/0x20 [ 60.326765][ T12] RIP: 0010:zd_mac_clear+0xbd/0xe0 [ 60.331861][ T12] Code: e8 98 a2 03 fe 48 8d bd f8 2b 00 00 be ff ff ff ff e8 d7 ed ea fd 31 ff 89 c3 89 c6 e8 ec a3 03 fe 85 db 75 c2 e8 73 a2 03 fe <0f> 0b eb b9 48 c7 c7 74 0b ad 87 e8 a3 86 29 fe eb 98 48 c7 c7 40 [ 60.351447][ T12] RSP: 0018:ffff8881d9e0f1b8 EFLAGS: 00010293 [ 60.357566][ T12] RAX: ffff8881d9df9800 RBX: 0000000000000000 RCX: ffffffff83392974 [ 60.365524][ T12] RDX: 0000000000000000 RSI: ffffffff8339297d RDI: 0000000000000005 [ 60.373476][ T12] RBP: ffff8881cfee2560 R08: ffff8881d9df9800 R09: ffff8881cfee2560 [ 60.381426][ T12] R10: ffffed1039fdca27 R11: ffff8881cfee513f R12: ffff8881cfee0b20 [ 60.389470][ T12] R13: 1ffff1103b3c1e3c R14: 00000000ffffffb9 R15: ffffffff86153f98 [ 60.397429][ T12] ? zd_mac_clear+0xb4/0xe0 [ 60.401911][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.406392][ T12] ? zd_mac_clear+0xbd/0xe0 [ 60.411101][ T12] probe.cold+0x3ef/0x4a8 [ 60.415415][ T12] ? post_reset+0x150/0x150 [ 60.419908][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 60.425388][ T12] usb_probe_interface+0x305/0x7a0 [ 60.430484][ T12] ? usb_probe_device+0x100/0x100 [ 60.435493][ T12] really_probe+0x281/0x660 [ 60.439984][ T12] driver_probe_device+0x104/0x210 [ 60.445287][ T12] __device_attach_driver+0x1c2/0x220 [ 60.450646][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.456607][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.461438][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.466446][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.472239][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.477502][ T12] __device_attach+0x217/0x360 [ 60.482244][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.487254][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.492520][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.497891][ T12] bus_probe_device+0x1e4/0x290 [ 60.502971][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.508889][ T12] device_add+0xae6/0x16f0 [ 60.513287][ T12] ? uevent_store+0x50/0x50 [ 60.517774][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.523566][ T12] usb_set_configuration+0xdf6/0x1670 [ 60.528925][ T12] generic_probe+0x9d/0xd5 [ 60.533329][ T12] usb_probe_device+0x99/0x100 [ 60.538077][ T12] ? usb_suspend+0x620/0x620 [ 60.542647][ T12] really_probe+0x281/0x660 [ 60.547137][ T12] driver_probe_device+0x104/0x210 [ 60.552227][ T12] __device_attach_driver+0x1c2/0x220 [ 60.557576][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.563544][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.568376][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.573549][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.579345][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.584613][ T12] __device_attach+0x217/0x360 [ 60.589367][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.594385][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.599652][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.604919][ T12] bus_probe_device+0x1e4/0x290 [ 60.609965][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.615841][ T12] device_add+0xae6/0x16f0 [ 60.620252][ T12] ? uevent_store+0x50/0x50 [ 60.624745][ T12] usb_new_device.cold+0x8c1/0x1016 [ 60.629930][ T12] ? usb_port_suspend+0xa40/0xa40 [ 60.634934][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.639680][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 60.644856][ T12] hub_event+0x1ada/0x3590 [ 60.649263][ T12] ? hub_port_debounce+0x260/0x260 [ 60.654380][ T12] process_one_work+0x905/0x1570 [ 60.659306][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.664665][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 60.669675][ T12] worker_thread+0x96/0xe20 [ 60.674170][ T12] ? process_one_work+0x1570/0x1570 [ 60.679350][ T12] kthread+0x30b/0x410 [ 60.683406][ T12] ? kthread_park+0x1a0/0x1a0 [ 60.688059][ T12] ret_from_fork+0x24/0x30 [ 60.693005][ T12] Kernel Offset: disabled [ 60.697386][ T12] Rebooting in 86400 seconds..