[info] Using makefile-style concurrent boot in runlevel 2. [ 15.279061][ 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 '10.128.1.35' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.498857][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 26.858466][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 26.868787][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 26.878848][ T12] usb 1-1: New USB device found, idVendor=1385, idProduct=5f00, bcdDevice=9a.11 [ 26.887874][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.897472][ T12] usb 1-1: config 0 descriptor?? [ 26.940650][ T12] ------------[ cut here ]------------ [ 26.946221][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.953289][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.963358][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.970035][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc3+ #0 [ 26.977387][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.987455][ T12] Workqueue: usb_hub_wq hub_event [ 26.992460][ T12] Call Trace: [ 26.995824][ T12] dump_stack+0xca/0x13e [ 27.000051][ T12] ? usb_submit_urb+0x1100/0x13b0 [ 27.005065][ T12] panic+0x2aa/0x6e1 [ 27.009263][ T12] ? add_taint.cold+0x16/0x16 [ 27.013921][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 27.019339][ T12] ? __warn.cold+0x14/0x33 [ 27.023876][ T12] ? __warn+0xd5/0x1d0 [ 27.028282][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.033335][ T12] __warn.cold+0x2f/0x33 [ 27.037746][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.042944][ T12] report_bug+0x27b/0x2f0 [ 27.047260][ T12] do_error_trap+0x12b/0x1e0 [ 27.051842][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.056848][ T12] do_invalid_op+0x32/0x40 [ 27.062139][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.067698][ T12] invalid_op+0x23/0x30 [ 27.071927][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.077538][ T12] Code: 4d 85 ed 74 2c e8 48 59 ec fd 4c 89 f7 e8 00 7f 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 45 18 86 e8 0d 02 c2 fd <0f> 0b e9 20 f4 ff ff e8 1c 59 ec fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.098440][ T12] RSP: 0018:ffff8881da227128 EFLAGS: 00010282 [ 27.104802][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.113225][ T12] RDX: 0000000000000000 RSI: ffffffff8128bcbd RDI: ffffed103b444e17 [ 27.121217][ T12] RBP: ffff8881d1b0c280 R08: ffff8881da211800 R09: fffffbfff11b23ae [ 27.129191][ T12] R10: fffffbfff11b23ad R11: ffffffff88d91d6f R12: 0000000000000003 [ 27.137153][ T12] R13: ffff8881d1662b28 R14: ffff8881d01cf0a0 R15: ffff8881d958ed00 [ 27.145327][ T12] ? vprintk_func+0x7d/0x113 [ 27.149922][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.154941][ T12] ar5523_submit_rx_cmd+0x1fa/0x320 [ 27.160191][ T12] ar5523_probe+0xbb1/0x1a40 [ 27.164782][ T12] ? ar5523_data_rx_cb+0xce0/0xce0 [ 27.170157][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 27.175794][ T12] ? rpm_callback+0x230/0x230 [ 27.180540][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.186408][ T12] ? __pm_runtime_resume+0x111/0x180 [ 27.191767][ T12] usb_probe_interface+0x305/0x7a0 [ 27.196947][ T12] ? usb_probe_device+0x100/0x100 [ 27.202130][ T12] really_probe+0x281/0x6d0 [ 27.206796][ T12] driver_probe_device+0x104/0x210 [ 27.212169][ T12] __device_attach_driver+0x1c2/0x220 [ 27.217719][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.223976][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.228895][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.234069][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.240399][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.245689][ T12] __device_attach+0x217/0x360 [ 27.250768][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.256442][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 27.261809][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 27.267078][ T12] bus_probe_device+0x1e4/0x290 [ 27.272642][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.278991][ T12] device_add+0xae6/0x16f0 [ 27.283499][ T12] ? uevent_store+0x50/0x50 [ 27.288725][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.294880][ T12] usb_set_configuration+0xdf6/0x1670 [ 27.300614][ T12] generic_probe+0x9d/0xd5 [ 27.305050][ T12] usb_probe_device+0x99/0x100 [ 27.309802][ T12] ? usb_suspend+0x620/0x620 [ 27.314376][ T12] really_probe+0x281/0x6d0 [ 27.318867][ T12] driver_probe_device+0x104/0x210 [ 27.323975][ T12] __device_attach_driver+0x1c2/0x220 [ 27.329328][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.335295][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.340140][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.345140][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.350924][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.356185][ T12] __device_attach+0x217/0x360 [ 27.360923][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.365921][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 27.371181][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 27.376447][ T12] bus_probe_device+0x1e4/0x290 [ 27.381294][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.387170][ T12] device_add+0xae6/0x16f0 [ 27.391565][ T12] ? uevent_store+0x50/0x50 [ 27.396044][ T12] usb_new_device.cold+0x6a4/0xe79 [ 27.401140][ T12] hub_event+0x1dd0/0x37e0 [ 27.405549][ T12] ? hub_port_debounce+0x260/0x260 [ 27.410652][ T12] ? find_held_lock+0x2d/0x110 [ 27.415402][ T12] ? mark_held_locks+0xe0/0xe0 [ 27.420142][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.425670][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.430947][ T12] process_one_work+0x92b/0x1530 [ 27.435860][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.441207][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.446223][ T12] worker_thread+0x96/0xe20 [ 27.450713][ T12] ? process_one_work+0x1530/0x1530 [ 27.455922][ T12] kthread+0x318/0x420 [ 27.459968][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 27.465313][ T12] ret_from_fork+0x24/0x30 [ 27.470485][ T12] Kernel Offset: disabled [ 27.474852][ T12] Rebooting in 86400 seconds..