[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[ 15.610420][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. syzkaller login: [ 27.279210][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 27.639258][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 27.649493][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.659563][ T12] usb 1-1: New USB device found, idVendor=1385, idProduct=5f00, bcdDevice=9a.11 [ 27.668602][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.678224][ T12] usb 1-1: config 0 descriptor?? [ 27.699354][ T1720] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 27.721289][ T12] ------------[ cut here ]------------ [ 27.726859][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 27.733027][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 27.742486][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 27.749754][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 27.757906][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.767986][ T12] Workqueue: usb_hub_wq hub_event [ 27.772994][ T12] Call Trace: [ 27.776269][ T12] dump_stack+0xef/0x16e [ 27.780507][ T12] ? usb_submit_urb+0x1170/0x13b0 [ 27.785519][ T12] panic+0x2aa/0x6e1 [ 27.789400][ T12] ? add_taint.cold+0x16/0x16 [ 27.794061][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 27.800452][ T12] ? __warn.cold+0x14/0x30 [ 27.804860][ T12] ? __warn+0xd5/0x1c8 [ 27.808936][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.813962][ T12] __warn.cold+0x2f/0x30 [ 27.818201][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.823226][ T12] report_bug+0x27b/0x2f0 [ 27.827550][ T12] do_error_trap+0x12b/0x1e0 [ 27.832118][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.837131][ T12] do_invalid_op+0x32/0x40 [ 27.841547][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.846557][ T12] invalid_op+0x23/0x30 [ 27.850694][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.856307][ T12] Code: 4d 85 ed 74 2c e8 d8 8f e7 fd 4c 89 f7 e8 e0 2c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 5a 15 86 e8 50 ac bc fd <0f> 0b e9 20 f4 ff ff e8 ac 8f e7 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.875990][ T12] RSP: 0018:ffff8881da227110 EFLAGS: 00010286 [ 27.882044][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.890011][ T12] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b444e14 [ 27.897984][ T12] RBP: ffff8881d175e280 R08: ffff8881da211880 R09: fffffbfff11f1eae [ 27.905962][ T12] R10: fffffbfff11f1ead R11: ffffffff88f8f56f R12: 0000000000000003 [ 27.913914][ T12] R13: ffff8881d5df57c8 R14: ffff8881cfea40a0 R15: ffff8881d4d97c00 [ 27.921875][ T12] ? vprintk_func+0x7d/0x113 [ 27.926444][ T12] ar5523_submit_rx_cmd+0x1fa/0x320 [ 27.931617][ T12] ar5523_probe+0xbb1/0x1a40 [ 27.936181][ T12] ? ar5523_data_rx_cb+0xce0/0xce0 [ 27.941271][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 27.946877][ T12] ? rpm_callback+0x230/0x230 [ 27.951531][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.956802][ T12] ? __pm_runtime_resume+0x111/0x180 [ 27.962083][ T12] usb_probe_interface+0x305/0x7a0 [ 27.967300][ T12] ? usb_probe_device+0x100/0x100 [ 27.972438][ T12] really_probe+0x281/0x6d0 [ 27.976926][ T12] driver_probe_device+0x104/0x210 [ 27.982023][ T12] __device_attach_driver+0x1c2/0x220 [ 27.987403][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.993516][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.998355][ T12] ? bus_rescan_devices+0x20/0x20 [ 28.003362][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.009153][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.014431][ T12] __device_attach+0x217/0x360 [ 28.019202][ T12] ? device_bind_driver+0xd0/0xd0 [ 28.025169][ T12] bus_probe_device+0x1e4/0x290 [ 28.029997][ T12] device_add+0x1480/0x1c20 [ 28.034491][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 28.039836][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 28.045878][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.051663][ T12] usb_set_configuration+0xe67/0x1740 [ 28.057033][ T12] generic_probe+0x9d/0xd5 [ 28.061438][ T12] usb_probe_device+0x99/0x100 [ 28.066180][ T12] ? usb_suspend+0x620/0x620 [ 28.070755][ T12] really_probe+0x281/0x6d0 [ 28.075243][ T12] driver_probe_device+0x104/0x210 [ 28.080348][ T12] __device_attach_driver+0x1c2/0x220 [ 28.085696][ T12] ? driver_allows_async_probing+0x160/0x160 [ 28.091653][ T12] bus_for_each_drv+0x162/0x1e0 [ 28.096490][ T12] ? bus_rescan_devices+0x20/0x20 [ 28.101494][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.107274][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.112551][ T12] __device_attach+0x217/0x360 [ 28.117313][ T12] ? device_bind_driver+0xd0/0xd0 [ 28.122323][ T12] bus_probe_device+0x1e4/0x290 [ 28.127156][ T12] device_add+0x1480/0x1c20 [ 28.131643][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 28.137689][ T12] usb_new_device.cold+0x6a4/0xe79 [ 28.142778][ T12] hub_event+0x1e59/0x3860 [ 28.147170][ T12] ? hub_port_debounce+0x260/0x260 [ 28.152258][ T12] ? find_held_lock+0x2d/0x110 [ 28.156994][ T12] ? mark_held_locks+0xe0/0xe0 [ 28.161735][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.167254][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.172516][ T12] process_one_work+0x92b/0x1530 [ 28.177431][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.182780][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 28.187778][ T12] worker_thread+0x96/0xe20 [ 28.192260][ T12] ? process_one_work+0x1530/0x1530 [ 28.197434][ T12] kthread+0x318/0x420 [ 28.201483][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 28.206829][ T12] ret_from_fork+0x24/0x30 [ 28.211951][ T12] Kernel Offset: disabled [ 28.216304][ T12] Rebooting in 86400 seconds..