[info] Using makefile-style concurrent boot in runlevel 2. [ 15.887852][ 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 '10.128.0.249' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 34.780686][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 34.790677][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 34.790828][ T21] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 34.805848][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 34.813396][ T107] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 34.820936][ T1740] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 35.020651][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 35.031211][ T5] usb 3-1: Using ep0 maxpacket: 32 [ 35.060715][ T1740] usb 5-1: Using ep0 maxpacket: 32 [ 35.066014][ T107] usb 6-1: Using ep0 maxpacket: 32 [ 35.071196][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 35.076402][ T21] usb 2-1: Using ep0 maxpacket: 32 [ 35.140763][ T12] usb 1-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.149095][ T12] usb 1-1: config 0 has no interface number 0 [ 35.155491][ T5] usb 3-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.163735][ T5] usb 3-1: config 0 has no interface number 0 [ 35.169900][ T12] usb 1-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.179016][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.187116][ T5] usb 3-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.190996][ T1740] usb 5-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.196212][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.204484][ T1740] usb 5-1: config 0 has no interface number 0 [ 35.216125][ T12] usb 1-1: config 0 descriptor?? [ 35.223155][ T17] usb 4-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.224247][ T5] usb 3-1: config 0 descriptor?? [ 35.231761][ T17] usb 4-1: config 0 has no interface number 0 [ 35.232163][ T107] usb 6-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.251278][ T107] usb 6-1: config 0 has no interface number 0 [ 35.257423][ T21] usb 2-1: config 0 has an invalid interface number: 193 but max is 0 [ 35.265777][ T21] usb 2-1: config 0 has no interface number 0 [ 35.271932][ T17] usb 4-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.277777][ T5] ------------[ cut here ]------------ [ 35.281035][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.284139][ T21] usb 2-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.286626][ T5] couldn't get idr [ 35.286775][ T5] WARNING: CPU: 0 PID: 5 at drivers/spi/spi.c:2300 spi_register_controller+0x187c/0x1c10 [ 35.294680][ T21] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.303628][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 35.303644][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.2.0-rc6+ #13 [ 35.303650][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.303669][ T5] Workqueue: usb_hub_wq hub_event [ 35.308797][ T17] usb 4-1: config 0 descriptor?? [ 35.317302][ T5] Call Trace: [ 35.317331][ T5] dump_stack+0xca/0x13e [ 35.317348][ T5] ? spi_register_controller+0x17a0/0x1c10 [ 35.317359][ T5] panic+0x292/0x6c9 [ 35.317378][ T5] ? __warn_printk+0xf3/0xf3 [ 35.325485][ T1740] usb 5-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.331999][ T5] ? spi_register_controller+0x187c/0x1c10 [ 35.332015][ T5] ? __probe_kernel_read+0x16c/0x1b0 [ 35.332026][ T5] ? __warn.cold+0x5/0x4b [ 35.332046][ T5] ? __warn+0xe4/0x1c0 [ 35.339429][ T1740] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.349530][ T5] ? spi_register_controller+0x187c/0x1c10 [ 35.349543][ T5] __warn.cold+0x20/0x4b [ 35.349557][ T5] ? spi_register_controller+0x187c/0x1c10 [ 35.349571][ T5] report_bug+0x262/0x2a0 [ 35.349592][ T5] do_error_trap+0x12b/0x1e0 [ 35.354710][ T107] usb 6-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 35.359587][ T5] ? spi_register_controller+0x187c/0x1c10 [ 35.362901][ T107] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.367096][ T5] do_invalid_op+0x32/0x40 [ 35.374164][ T21] usb 2-1: config 0 descriptor?? [ 35.376793][ T5] ? spi_register_controller+0x187c/0x1c10 [ 35.382510][ T107] usb 6-1: config 0 descriptor?? [ 35.390450][ T5] invalid_op+0x14/0x20 [ 35.397531][ T1740] usb 5-1: config 0 descriptor?? [ 35.401598][ T5] RIP: 0010:spi_register_controller+0x187c/0x1c10 [ 35.401614][ T5] Code: 89 ef e8 97 02 d7 fe e9 d5 e8 ff ff 4c 89 e7 e8 8a 02 d7 fe e9 0e e9 ff ff e8 e0 11 b1 fe 48 c7 c7 c0 1a fa 85 e8 7f d6 86 fe <0f> 0b 44 89 fe bf e4 ff ff ff e8 35 13 b1 fe 41 83 ff e4 0f 85 c1 [ 35.401628][ T5] RSP: 0018:ffff8881d9dc7190 EFLAGS: 00010282 [ 35.530427][ T5] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 35.538423][ T5] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3b8e24 [ 35.546434][ T5] RBP: ffff8881cf4ca200 R08: ffff8881d9d8e000 R09: 0000000000000000 [ 35.555291][ T5] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881cf4ca620 [ 35.563297][ T5] R13: ffff8881cf4ca622 R14: ffff8881cf4cc400 R15: 00000000ffffffe4 [ 35.571295][ T5] ? vprintk_func+0x7d/0x113 [ 35.575929][ T5] ? lockdep_init_map+0x1b0/0x5e0 [ 35.580976][ T5] ? spi_match_controller_to_boardinfo+0xc0/0xc0 [ 35.587321][ T5] ? __init_waitqueue_head+0x31/0x90 [ 35.592623][ T5] ? device_initialize+0x19b/0x440 [ 35.597759][ T5] msi2500_probe+0x787/0xb97 [ 35.602361][ T5] usb_probe_interface+0x305/0x7a0 [ 35.607504][ T5] ? usb_probe_device+0x100/0x100 [ 35.612533][ T5] really_probe+0x281/0x660 [ 35.617043][ T5] driver_probe_device+0x104/0x210 [ 35.622202][ T5] __device_attach_driver+0x1c2/0x220 [ 35.627589][ T5] ? driver_allows_async_probing+0x160/0x160 [ 35.633583][ T5] bus_for_each_drv+0x15c/0x1e0 [ 35.638563][ T5] ? bus_rescan_devices+0x20/0x20 [ 35.643600][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.650295][ T5] ? lockdep_hardirqs_on+0x379/0x580 [ 35.655601][ T5] __device_attach+0x217/0x360 [ 35.660389][ T5] ? device_bind_driver+0xd0/0xd0 [ 35.665435][ T5] ? kobject_uevent_env+0x29e/0x1150 [ 35.671346][ T5] ? kobject_uevent_env+0x2a8/0x1150 [ 35.676650][ T5] bus_probe_device+0x1e4/0x290 [ 35.681524][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.687436][ T5] device_add+0xae6/0x16f0 [ 35.691877][ T5] ? uevent_store+0x50/0x50 [ 35.696428][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.702249][ T5] usb_set_configuration+0xdf6/0x1670 [ 35.707636][ T5] generic_probe+0x9d/0xd5 [ 35.712083][ T5] usb_probe_device+0x99/0x100 [ 35.716864][ T5] ? usb_suspend+0x620/0x620 [ 35.721466][ T5] really_probe+0x281/0x660 [ 35.725980][ T5] driver_probe_device+0x104/0x210 [ 35.731106][ T5] __device_attach_driver+0x1c2/0x220 [ 35.736495][ T5] ? driver_allows_async_probing+0x160/0x160 [ 35.742507][ T5] bus_for_each_drv+0x15c/0x1e0 [ 35.747391][ T5] ? bus_rescan_devices+0x20/0x20 [ 35.752459][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.758551][ T5] ? lockdep_hardirqs_on+0x379/0x580 [ 35.763860][ T5] __device_attach+0x217/0x360 [ 35.768649][ T5] ? device_bind_driver+0xd0/0xd0 [ 35.773712][ T5] ? kobject_uevent_env+0x29e/0x1150 [ 35.779010][ T5] ? kobject_uevent_env+0x2a8/0x1150 [ 35.784313][ T5] bus_probe_device+0x1e4/0x290 [ 35.789189][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.795103][ T5] device_add+0xae6/0x16f0 [ 35.799544][ T5] ? uevent_store+0x50/0x50 [ 35.804069][ T5] usb_new_device.cold+0x8c1/0x1016 [ 35.809283][ T5] ? usb_port_suspend+0xa40/0xa40 [ 35.814320][ T5] ? mark_held_locks+0x9f/0xe0 [ 35.819098][ T5] ? _raw_spin_unlock_irq+0x24/0x30 [ 35.824321][ T5] hub_event+0x1ada/0x3590 [ 35.828760][ T5] ? hub_port_debounce+0x260/0x260 [ 35.833894][ T5] process_one_work+0x905/0x1570 [ 35.838854][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 35.844240][ T5] worker_thread+0x96/0xe20 [ 35.848774][ T5] ? process_one_work+0x1570/0x1570 [ 35.854011][ T5] kthread+0x30b/0x410 [ 35.858098][ T5] ? kthread_park+0x1a0/0x1a0 [ 35.862878][ T5] ret_from_fork+0x24/0x30 [ 35.867903][ T5] Kernel Offset: disabled [ 35.872278][ T5] Rebooting in 86400 seconds..