INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 34.876295][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 34.886337][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 34.886574][ T81] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 34.893986][ T94] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 34.909032][ T1809] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 34.916566][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 34.966623][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 34.996381][ T81] usb 4-1: Using ep0 maxpacket: 32 [ 35.016608][ T5] usb 3-1: Using ep0 maxpacket: 32 [ 35.021849][ T1809] usb 2-1: Using ep0 maxpacket: 32 [ 35.027047][ T12] usb 5-1: Using ep0 maxpacket: 32 [ 35.032449][ T94] usb 6-1: Using ep0 maxpacket: 32 [ 35.086461][ T95] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.094725][ T95] usb 1-1: config 0 has no interface number 0 [ 35.101217][ T95] usb 1-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.110332][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.118553][ T81] usb 4-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.126588][ T81] usb 4-1: config 0 has no interface number 0 [ 35.133386][ T81] usb 4-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.142472][ T81] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.151575][ T95] usb 1-1: config 0 descriptor?? [ 35.162939][ T81] usb 4-1: config 0 descriptor?? [ 35.176499][ T1809] usb 2-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.184613][ T1809] usb 2-1: config 0 has no interface number 0 [ 35.190841][ T5] usb 3-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.198874][ T5] usb 3-1: config 0 has no interface number 0 [ 35.205261][ T12] usb 5-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.209481][ T81] ------------[ cut here ]------------ [ 35.213310][ T12] usb 5-1: config 0 has no interface number 0 [ 35.216077][ T94] usb 6-1: config 0 has an invalid interface number: 8 but max is 0 [ 35.218854][ T81] couldn't get idr [ 35.219035][ T81] WARNING: CPU: 1 PID: 81 at drivers/spi/spi.c:2592 spi_register_controller+0x103a/0x12d0 [ 35.224933][ T94] usb 6-1: config 0 has no interface number 0 [ 35.232887][ T81] Kernel panic - not syncing: panic_on_warn set ... [ 35.232902][ T81] CPU: 1 PID: 81 Comm: kworker/1:1 Not tainted 5.6.0-rc3-syzkaller #0 [ 35.232909][ T81] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.232923][ T81] Workqueue: usb_hub_wq hub_event [ 35.232929][ T81] Call Trace: [ 35.232947][ T81] dump_stack+0xef/0x16e [ 35.250434][ T12] usb 5-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.252767][ T81] ? spi_register_controller+0xfe0/0x12d0 [ 35.259449][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.267559][ T81] panic+0x2aa/0x6e1 [ 35.267573][ T81] ? add_taint.cold+0x16/0x16 [ 35.267586][ T81] ? __probe_kernel_read+0x188/0x1d0 [ 35.267595][ T81] ? __warn.cold+0x14/0x30 [ 35.267612][ T81] ? __warn+0xd5/0x1c8 [ 35.277780][ T5] usb 3-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.282781][ T81] ? spi_register_controller+0x103a/0x12d0 [ 35.282798][ T81] __warn.cold+0x2f/0x30 [ 35.286072][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.290294][ T81] ? spi_register_controller+0x103a/0x12d0 [ 35.290307][ T81] report_bug+0x27b/0x2f0 [ 35.290320][ T81] do_error_trap+0x12b/0x1e0 [ 35.290331][ T81] ? spi_register_controller+0x103a/0x12d0 [ 35.290340][ T81] do_invalid_op+0x32/0x40 [ 35.290357][ T81] ? spi_register_controller+0x103a/0x12d0 [ 35.299577][ T1809] usb 2-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.305210][ T81] invalid_op+0x23/0x30 [ 35.305232][ T81] RIP: 0010:spi_register_controller+0x103a/0x12d0 [ 35.313273][ T1809] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.317121][ T81] Code: 02 00 00 48 8b 5d 00 e9 e6 f9 ff ff 4c 89 ef e8 5c d0 c8 fe e9 b5 f0 ff ff e8 a2 27 a0 fe 48 c7 c7 20 66 1e 86 e8 3e b9 74 fe <0f> 0b bf e4 ff ff ff 44 89 e6 e8 f7 28 a0 fe 41 83 fc e4 b8 f0 ff [ 35.317129][ T81] RSP: 0018:ffff8881d8a07228 EFLAGS: 00010282 [ 35.317138][ T81] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 35.317151][ T81] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103b140e37 [ 35.321990][ T94] usb 6-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.327224][ T81] RBP: ffff8881cd42c000 R08: ffff8881d8979880 R09: fffffbfff1266c8f [ 35.327232][ T81] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 00000000ffffffe4 [ 35.327239][ T81] R13: ffff8881cd42c4c8 R14: ffff8881cdb5c000 R15: ffff8881cd42c000 [ 35.327258][ T81] ? vprintk_func+0x7d/0x113 [ 35.327273][ T81] ? spi_register_controller+0x103a/0x12d0 [ 35.327292][ T81] ? device_initialize+0x1b5/0x530 [ 35.331706][ T94] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.335773][ T81] msi2500_probe+0x787/0xbd4 [ 35.346659][ T5] usb 3-1: config 0 descriptor?? [ 35.350681][ T81] usb_probe_interface+0x310/0x800 [ 35.355785][ T12] usb 5-1: config 0 descriptor?? [ 35.362882][ T81] ? usb_probe_device+0x230/0x230 [ 35.362894][ T81] really_probe+0x290/0xac0 [ 35.362904][ T81] driver_probe_device+0x223/0x350 [ 35.362915][ T81] __device_attach_driver+0x1d1/0x290 [ 35.362926][ T81] ? driver_allows_async_probing+0x160/0x160 [ 35.362944][ T81] bus_for_each_drv+0x162/0x1e0 [ 35.370127][ T1809] usb 2-1: config 0 descriptor?? [ 35.373076][ T81] ? bus_rescan_devices+0x20/0x20 [ 35.379032][ T94] usb 6-1: config 0 descriptor?? [ 35.383429][ T81] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.383448][ T81] ? lockdep_hardirqs_on+0x382/0x580 [ 35.595580][ T81] __device_attach+0x217/0x390 [ 35.600327][ T81] ? device_bind_driver+0xd0/0xd0 [ 35.605340][ T81] bus_probe_device+0x1e4/0x290 [ 35.610182][ T81] device_add+0x1459/0x1bf0 [ 35.614673][ T81] ? wait_for_completion+0x3c0/0x3c0 [ 35.619974][ T81] ? device_link_remove+0x110/0x110 [ 35.625165][ T81] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.630959][ T81] usb_set_configuration+0xe47/0x17d0 [ 35.636317][ T81] usb_generic_driver_probe+0x9d/0xe0 [ 35.642223][ T81] usb_probe_device+0xd9/0x230 [ 35.647041][ T81] ? usb_suspend+0x5f0/0x5f0 [ 35.652016][ T81] really_probe+0x290/0xac0 [ 35.656709][ T81] driver_probe_device+0x223/0x350 [ 35.661909][ T81] __device_attach_driver+0x1d1/0x290 [ 35.667477][ T81] ? driver_allows_async_probing+0x160/0x160 [ 35.674225][ T81] bus_for_each_drv+0x162/0x1e0 [ 35.679166][ T81] ? bus_rescan_devices+0x20/0x20 [ 35.684192][ T81] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.689987][ T81] ? lockdep_hardirqs_on+0x382/0x580 [ 35.695369][ T81] __device_attach+0x217/0x390 [ 35.700130][ T81] ? device_bind_driver+0xd0/0xd0 [ 35.705153][ T81] bus_probe_device+0x1e4/0x290 [ 35.710071][ T81] device_add+0x1459/0x1bf0 [ 35.714564][ T81] ? device_link_remove+0x110/0x110 [ 35.719857][ T81] usb_new_device.cold+0x540/0xcd0 [ 35.724976][ T81] hub_event+0x21cb/0x4300 [ 35.729558][ T81] ? hub_port_debounce+0x350/0x350 [ 35.734666][ T81] ? find_held_lock+0x2d/0x110 [ 35.739423][ T81] ? mark_held_locks+0xe0/0xe0 [ 35.744309][ T81] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 35.749863][ T81] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 35.755164][ T81] process_one_work+0x94b/0x1620 [ 35.760184][ T81] ? pwq_dec_nr_in_flight+0x310/0x310 [ 35.765558][ T81] ? do_raw_spin_lock+0x129/0x290 [ 35.771188][ T81] worker_thread+0x96/0xe20 [ 35.776083][ T81] ? process_one_work+0x1620/0x1620 [ 35.781279][ T81] kthread+0x318/0x420 [ 35.785353][ T81] ? kthread_create_on_node+0xf0/0xf0 [ 35.791122][ T81] ret_from_fork+0x24/0x30 [ 35.796362][ T81] Kernel Offset: disabled [ 35.800724][ T81] Rebooting in 86400 seconds..