[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. [ 16.430398][ 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 '10.128.0.96' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.985654][ T12] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 43.385714][ T12] usb 1-1: unable to get BOS descriptor or descriptor too short [ 43.425737][ T12] usb 1-1: not running at top speed; connect to a high speed hub [ 43.505728][ T12] usb 1-1: config 4 has an invalid interface number: 75 but max is 1 [ 43.513992][ T12] usb 1-1: config 4 contains an unexpected descriptor of type 0x1, skipping [ 43.523606][ T12] usb 1-1: config 4 has an invalid interface number: 24 but max is 1 [ 43.531733][ T12] usb 1-1: config 4 has no interface number 0 [ 43.537926][ T12] usb 1-1: config 4 has no interface number 1 [ 43.544222][ T12] usb 1-1: config 4 interface 75 altsetting 208 has an invalid endpoint with address 0x80, skipping [ 43.556604][ T12] usb 1-1: config 4 interface 75 altsetting 208 endpoint 0xB has invalid maxpacket 983, setting to 64 [ 43.569169][ T12] usb 1-1: config 4 interface 75 altsetting 208 endpoint 0x4 has invalid maxpacket 172, setting to 64 [ 43.581462][ T12] usb 1-1: config 4 interface 75 altsetting 208 endpoint 0x9 has invalid maxpacket 512, setting to 64 [ 43.592624][ T12] usb 1-1: config 4 interface 75 altsetting 208 endpoint 0xA has an invalid bInterval 0, changing to 10 [ 43.604845][ T12] usb 1-1: config 4 interface 75 altsetting 208 endpoint 0xA has invalid maxpacket 1953, setting to 64 [ 43.616343][ T12] usb 1-1: config 4 interface 24 altsetting 188 endpoint 0x2 has invalid maxpacket 1024, setting to 64 [ 43.627422][ T12] usb 1-1: config 4 interface 24 altsetting 188 has an invalid endpoint with address 0x1E, skipping [ 43.638232][ T12] usb 1-1: config 4 interface 75 has no altsetting 0 [ 43.645565][ T12] usb 1-1: config 4 interface 24 has no altsetting 0 [ 43.885730][ T12] usb 1-1: string descriptor 0 read error: -22 [ 43.892908][ T12] usb 1-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=5e.30 [ 43.902593][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 43.962995][ T12] msi2500 1-1:4.75: Registered as swradio0 [ 43.969039][ T12] msi2500 1-1:4.75: SDR API is still slightly experimental and functionality changes may follow [ 43.983346][ T12] ------------[ cut here ]------------ [ 43.989244][ T12] couldn't get idr [ 43.989395][ T12] WARNING: CPU: 0 PID: 12 at drivers/spi/spi.c:2574 spi_register_controller+0x198a/0x1d50 [ 44.004095][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 44.011404][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc2-syzkaller #0 [ 44.019664][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.029829][ T12] Workqueue: usb_hub_wq hub_event [ 44.034934][ T12] Call Trace: [ 44.038280][ T12] dump_stack+0xef/0x16e [ 44.042598][ T12] ? spi_register_controller+0x1970/0x1d50 [ 44.048403][ T12] panic+0x2aa/0x6e1 [ 44.052307][ T12] ? add_taint.cold+0x16/0x16 [ 44.056987][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 44.062268][ T12] ? __warn.cold+0x14/0x30 [ 44.066709][ T12] ? __warn+0xd5/0x1c8 [ 44.070772][ T12] ? spi_register_controller+0x198a/0x1d50 [ 44.076560][ T12] __warn.cold+0x2f/0x30 [ 44.080823][ T12] ? spi_register_controller+0x198a/0x1d50 [ 44.086803][ T12] report_bug+0x27b/0x2f0 [ 44.091121][ T12] do_error_trap+0x12b/0x1e0 [ 44.095704][ T12] ? spi_register_controller+0x198a/0x1d50 [ 44.101648][ T12] do_invalid_op+0x32/0x40 [ 44.106071][ T12] ? spi_register_controller+0x198a/0x1d50 [ 44.112158][ T12] invalid_op+0x23/0x30 [ 44.116310][ T12] RIP: 0010:spi_register_controller+0x198a/0x1d50 [ 44.122824][ T12] Code: 27 87 e8 e9 8e e0 02 e9 a7 ee ff ff 4c 89 e7 e8 2c 94 cd fe e9 b1 e7 ff ff e8 92 0d a5 fe 48 c7 c7 20 10 fb 85 e8 4e 2a 7a fe <0f> 0b 44 89 f6 bf e4 ff ff ff e8 e7 0e a5 fe 41 83 fe e4 0f 85 70 [ 44.142428][ T12] RSP: 0018:ffff8881da2271d8 EFLAGS: 00010286 [ 44.148494][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 44.156462][ T12] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b444e2d [ 44.164442][ T12] RBP: ffff8881cf99e000 R08: ffff8881da211880 R09: fffffbfff11f1eb6 [ 44.172422][ T12] R10: fffffbfff11f1eb5 R11: ffffffff88f8f5af R12: ffff8881cf99e4c8 [ 44.180396][ T12] R13: 0000000000000000 R14: 00000000ffffffe4 R15: ffff8881cf99e000 [ 44.188373][ T12] ? vprintk_func+0x7d/0x113 [ 44.192958][ T12] ? spi_register_controller+0x198a/0x1d50 [ 44.198766][ T12] ? spi_match_controller_to_boardinfo+0xc0/0xc0 [ 44.205184][ T12] ? __init_waitqueue_head+0x31/0x90 [ 44.210564][ T12] ? device_initialize+0x1b5/0x530 [ 44.215668][ T12] msi2500_probe+0x787/0xbd4 [ 44.220257][ T12] usb_probe_interface+0x305/0x7a0 [ 44.225366][ T12] ? usb_probe_device+0x100/0x100 [ 44.230463][ T12] really_probe+0x281/0x6d0 [ 44.235103][ T12] driver_probe_device+0x104/0x210 [ 44.240811][ T12] __device_attach_driver+0x1c2/0x220 [ 44.246378][ T12] ? driver_allows_async_probing+0x160/0x160 [ 44.252368][ T12] bus_for_each_drv+0x162/0x1e0 [ 44.257431][ T12] ? bus_rescan_devices+0x20/0x20 [ 44.262827][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 44.268731][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 44.274026][ T12] __device_attach+0x217/0x360 [ 44.278887][ T12] ? device_bind_driver+0xd0/0xd0 [ 44.284014][ T12] bus_probe_device+0x1e4/0x290 [ 44.289292][ T12] device_add+0x1480/0x1c20 [ 44.293950][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 44.300018][ T12] ? create_intf_ep_devs+0x1ba/0x230 [ 44.305804][ T12] usb_set_configuration+0xe67/0x1740 [ 44.311267][ T12] generic_probe+0x9d/0xd5 [ 44.315876][ T12] usb_probe_device+0x99/0x100 [ 44.320626][ T12] ? usb_suspend+0x620/0x620 [ 44.325223][ T12] really_probe+0x281/0x6d0 [ 44.329715][ T12] driver_probe_device+0x104/0x210 [ 44.334816][ T12] __device_attach_driver+0x1c2/0x220 [ 44.340171][ T12] ? driver_allows_async_probing+0x160/0x160 [ 44.346238][ T12] bus_for_each_drv+0x162/0x1e0 [ 44.351274][ T12] ? bus_rescan_devices+0x20/0x20 [ 44.356374][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 44.362162][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 44.367428][ T12] __device_attach+0x217/0x360 [ 44.372181][ T12] ? device_bind_driver+0xd0/0xd0 [ 44.377184][ T12] bus_probe_device+0x1e4/0x290 [ 44.383879][ T12] device_add+0x1480/0x1c20 [ 44.388374][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 44.394445][ T12] usb_new_device.cold+0x6a4/0xe79 [ 44.399537][ T12] hub_event+0x1e59/0x3860 [ 44.403938][ T12] ? hub_port_debounce+0x260/0x260 [ 44.409114][ T12] ? find_held_lock+0x2d/0x110 [ 44.414028][ T12] ? mark_held_locks+0xe0/0xe0 [ 44.418890][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 44.424428][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 44.430496][ T12] process_one_work+0x92b/0x1530 [ 44.436168][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 44.442162][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 44.447180][ T12] worker_thread+0x96/0xe20 [ 44.451928][ T12] ? process_one_work+0x1530/0x1530 [ 44.457108][ T12] kthread+0x318/0x420 [ 44.461169][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 44.466533][ T12] ret_from_fork+0x24/0x30 [ 44.471957][ T12] Kernel Offset: disabled [ 44.476331][ T12] Rebooting in 86400 seconds..