[info] Using makefile-style concurrent boot in runlevel 2. [ 15.115515][ C1] random: crng init done [....] 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 '10.128.10.58' (ECDSA) to the list of known hosts. syzkaller login: [ 25.508100][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.748062][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 25.868147][ T12] usb 1-1: config 0 has an invalid interface number: 15 but max is 0 [ 25.876432][ T12] usb 1-1: config 0 has no interface number 0 [ 25.882749][ T12] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.891823][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.901150][ T12] usb 1-1: config 0 descriptor?? [ 26.148297][ T12] hso 1-1:0.15: Can't find BULK IN endpoint [ 26.154295][ T12] ------------[ cut here ]------------ [ 26.160048][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8220 rollback_registered_many.cold+0x41/0x1bc [ 26.169925][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.176490][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0+ #0 [ 26.183494][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.193530][ T12] Workqueue: usb_hub_wq hub_event [ 26.198526][ T12] Call Trace: [ 26.201795][ T12] dump_stack+0xca/0x13e [ 26.206012][ T12] ? dev_change_tx_queue_len.cold+0x54/0x54 [ 26.211888][ T12] panic+0x2a3/0x6da [ 26.215763][ T12] ? add_taint.cold+0x16/0x16 [ 26.220414][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 26.225669][ T12] ? __warn.cold+0x5/0x4a [ 26.229986][ T12] ? __warn+0xe3/0x1e0 [ 26.234045][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 26.240087][ T12] __warn.cold+0x20/0x4a [ 26.244351][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 26.250662][ T12] report_bug+0x262/0x2a0 [ 26.254972][ T12] do_error_trap+0x12b/0x1e0 [ 26.259559][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 26.265608][ T12] do_invalid_op+0x32/0x40 [ 26.270008][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 26.276054][ T12] invalid_op+0x23/0x30 [ 26.280193][ T12] RIP: 0010:rollback_registered_many.cold+0x41/0x1bc [ 26.286844][ T12] Code: ff e8 39 d4 8b fc 48 c7 c7 00 a1 64 86 e8 b6 59 76 fc 0f 0b e9 95 be ff ff e8 21 d4 8b fc 48 c7 c7 00 a1 64 86 e8 9e 59 76 fc <0f> 0b 4c 89 e7 e8 0b e4 30 fd 31 ff 41 89 c4 89 c6 e8 2f d5 8b fc [ 26.306439][ T12] RSP: 0018:ffff8881da20f078 EFLAGS: 00010282 [ 26.312492][ T12] RAX: 0000000000000024 RBX: ffff8881d6105500 RCX: 0000000000000000 [ 26.320437][ T12] RDX: 0000000000000000 RSI: ffffffff8128d3fd RDI: ffffed103b441e01 [ 26.328391][ T12] RBP: ffff8881da20f1a8 R08: 0000000000000024 R09: fffffbfff11f45a8 [ 26.336335][ T12] R10: fffffbfff11f45a7 R11: ffffffff88fa2d3f R12: ffff8881d6105570 [ 26.344287][ T12] R13: ffff8881da20f138 R14: dffffc0000000000 R15: 0000000000000000 [ 26.352251][ T12] ? vprintk_func+0x7d/0x113 [ 26.356820][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 26.362857][ T12] ? generic_xdp_install+0x480/0x480 [ 26.368141][ T12] ? __mutex_lock+0x430/0x1360 [ 26.372937][ T12] ? find_held_lock+0x2d/0x110 [ 26.377684][ T12] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 26.384888][ T12] ? unregister_netdev+0xe/0x20 [ 26.389721][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 26.394466][ T12] rollback_registered+0xf2/0x1c0 [ 26.399467][ T12] ? rollback_registered_many+0xc70/0xc70 [ 26.405162][ T12] ? _dev_crit+0x109/0x109 [ 26.409562][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 26.414820][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 26.420515][ T12] unregister_netdev+0x18/0x20 [ 26.425294][ T12] hso_free_net_device+0xff/0x300 [ 26.430295][ T12] hso_create_net_device+0x76d/0x9c0 [ 26.435670][ T12] hso_probe+0x28d/0x1a46 [ 26.440001][ T12] usb_probe_interface+0x305/0x7a0 [ 26.445127][ T12] ? usb_probe_device+0x100/0x100 [ 26.450133][ T12] really_probe+0x281/0x6d0 [ 26.454621][ T12] driver_probe_device+0x104/0x210 [ 26.459708][ T12] __device_attach_driver+0x1c2/0x220 [ 26.465072][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.471037][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.475860][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.480868][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 26.486646][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 26.491915][ T12] __device_attach+0x217/0x360 [ 26.496655][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.501662][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 26.506928][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 26.512185][ T12] bus_probe_device+0x1e4/0x290 [ 26.517044][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 26.522919][ T12] device_add+0xae6/0x16f0 [ 26.527313][ T12] ? uevent_store+0x50/0x50 [ 26.531794][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 26.537576][ T12] usb_set_configuration+0xdf6/0x1670 [ 26.542926][ T12] generic_probe+0x9d/0xd5 [ 26.547326][ T12] usb_probe_device+0x99/0x100 [ 26.552123][ T12] ? usb_suspend+0x620/0x620 [ 26.556702][ T12] really_probe+0x281/0x6d0 [ 26.561191][ T12] driver_probe_device+0x104/0x210 [ 26.566280][ T12] __device_attach_driver+0x1c2/0x220 [ 26.571628][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.577580][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.582418][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.587439][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 26.593221][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 26.598479][ T12] __device_attach+0x217/0x360 [ 26.603218][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.608220][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 26.613497][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 26.618769][ T12] bus_probe_device+0x1e4/0x290 [ 26.623600][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 26.629467][ T12] device_add+0xae6/0x16f0 [ 26.633876][ T12] ? uevent_store+0x50/0x50 [ 26.638366][ T12] usb_new_device.cold+0x6a4/0xe79 [ 26.643453][ T12] hub_event+0x1b5c/0x3640 [ 26.647861][ T12] ? hub_port_debounce+0x260/0x260 [ 26.653557][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.659085][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.664343][ T12] process_one_work+0x92b/0x1530 [ 26.669254][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.674600][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 26.679598][ T12] worker_thread+0x96/0xe20 [ 26.684075][ T12] ? process_one_work+0x1530/0x1530 [ 26.689247][ T12] kthread+0x318/0x420 [ 26.693290][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 26.698649][ T12] ret_from_fork+0x24/0x30 [ 26.703947][ T12] Kernel Offset: disabled [ 26.708496][ T12] Rebooting in 86400 seconds..