[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[ 14.904955][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.92' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.194239][ T83] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 31.554304][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 31.564743][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 31.574829][ T83] usb 1-1: New USB device found, idVendor=1385, idProduct=5f00, bcdDevice=9a.11 [ 31.583861][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.593252][ T83] usb 1-1: config 0 descriptor?? [ 31.614456][ T1713] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 31.636344][ T83] ------------[ cut here ]------------ [ 31.641908][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 31.647990][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 31.657439][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 31.664009][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0 [ 31.671807][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.682020][ T83] Workqueue: usb_hub_wq hub_event [ 31.687159][ T83] Call Trace: [ 31.690452][ T83] dump_stack+0xef/0x16e [ 31.694681][ T83] ? usb_submit_urb+0x1110/0x13b0 [ 31.699689][ T83] panic+0x2aa/0x6e1 [ 31.703566][ T83] ? add_taint.cold+0x16/0x16 [ 31.708225][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 31.713490][ T83] ? __warn.cold+0x14/0x30 [ 31.717891][ T83] ? __warn+0xd5/0x1c8 [ 31.721996][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 31.727064][ T83] __warn.cold+0x2f/0x30 [ 31.731310][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 31.736321][ T83] report_bug+0x27b/0x2f0 [ 31.740634][ T83] do_error_trap+0x12b/0x1e0 [ 31.745207][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 31.750211][ T83] do_invalid_op+0x32/0x40 [ 31.754666][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 31.759669][ T83] invalid_op+0x23/0x30 [ 31.763804][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 31.769416][ T83] Code: 4d 85 ed 74 2c e8 a8 84 e9 fd 4c 89 f7 e8 20 74 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 29 15 86 e8 10 b3 be fd <0f> 0b e9 20 f4 ff ff e8 7c 84 e9 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 31.789119][ T83] RSP: 0018:ffff8881d8ef7110 EFLAGS: 00010286 [ 31.795182][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.803162][ T83] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b1dee14 [ 31.811295][ T83] RBP: ffff8881d1059580 R08: ffff8881d8ee8000 R09: fffffbfff11aeca6 [ 31.819252][ T83] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000003 [ 31.827207][ T83] R13: ffff8881d2332e58 R14: ffff8881d0b570a0 R15: ffff8881d5171200 [ 31.835185][ T83] ? vprintk_func+0x7d/0x113 [ 31.839756][ T83] ar5523_submit_rx_cmd+0x1fa/0x320 [ 31.844933][ T83] ar5523_probe+0xbb1/0x1a40 [ 31.849501][ T83] ? ar5523_data_rx_cb+0xce0/0xce0 [ 31.854620][ T83] ? __pm_runtime_set_status+0x5d5/0xa10 [ 31.860249][ T83] ? rpm_callback+0x230/0x230 [ 31.864912][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 31.870209][ T83] ? __pm_runtime_resume+0x111/0x180 [ 31.875483][ T83] usb_probe_interface+0x305/0x7a0 [ 31.880579][ T83] ? usb_probe_device+0x100/0x100 [ 31.885596][ T83] really_probe+0x281/0x6d0 [ 31.890080][ T83] driver_probe_device+0x104/0x210 [ 31.895167][ T83] __device_attach_driver+0x1c2/0x220 [ 31.900522][ T83] ? driver_allows_async_probing+0x160/0x160 [ 31.906483][ T83] bus_for_each_drv+0x162/0x1e0 [ 31.911319][ T83] ? bus_rescan_devices+0x20/0x20 [ 31.916323][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 31.922110][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 31.927390][ T83] __device_attach+0x217/0x360 [ 31.932134][ T83] ? device_bind_driver+0xd0/0xd0 [ 31.937134][ T83] bus_probe_device+0x1e4/0x290 [ 31.941963][ T83] device_add+0x1480/0x1c20 [ 31.946446][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 31.951724][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 31.957795][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 31.963581][ T83] usb_set_configuration+0xe67/0x1740 [ 31.968948][ T83] generic_probe+0x9d/0xd5 [ 31.973345][ T83] usb_probe_device+0x99/0x100 [ 31.978102][ T83] ? usb_suspend+0x620/0x620 [ 31.982669][ T83] really_probe+0x281/0x6d0 [ 31.987151][ T83] driver_probe_device+0x104/0x210 [ 31.992252][ T83] __device_attach_driver+0x1c2/0x220 [ 31.997603][ T83] ? driver_allows_async_probing+0x160/0x160 [ 32.003559][ T83] bus_for_each_drv+0x162/0x1e0 [ 32.008390][ T83] ? bus_rescan_devices+0x20/0x20 [ 32.013392][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 32.019187][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 32.024473][ T83] __device_attach+0x217/0x360 [ 32.029226][ T83] ? device_bind_driver+0xd0/0xd0 [ 32.034242][ T83] bus_probe_device+0x1e4/0x290 [ 32.039084][ T83] device_add+0x1480/0x1c20 [ 32.043567][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 32.049640][ T83] usb_new_device.cold+0x6a4/0xe79 [ 32.054750][ T83] hub_event+0x1e59/0x3860 [ 32.059145][ T83] ? hub_port_debounce+0x260/0x260 [ 32.064254][ T83] ? find_held_lock+0x2d/0x110 [ 32.069002][ T83] ? mark_held_locks+0xe0/0xe0 [ 32.073759][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 32.079280][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 32.084544][ T83] process_one_work+0x92b/0x1530 [ 32.089460][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 32.094826][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 32.099840][ T83] worker_thread+0x96/0xe20 [ 32.104384][ T83] ? process_one_work+0x1530/0x1530 [ 32.109566][ T83] kthread+0x318/0x420 [ 32.113612][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 32.118968][ T83] ret_from_fork+0x24/0x30 [ 32.124125][ T83] Kernel Offset: disabled [ 32.128479][ T83] Rebooting in 86400 seconds..