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 '10.128.10.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.832206][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.922428][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 28.082254][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 28.162319][ T94] usb 1-1: config 63 has an invalid interface number: 58 but max is 2 [ 28.170616][ T94] usb 1-1: config 63 has an invalid interface number: 39 but max is 2 [ 28.178879][ T94] usb 1-1: config 63 has an invalid interface number: 67 but max is 2 [ 28.187109][ T94] usb 1-1: config 63 has an invalid interface number: 3 but max is 2 [ 28.195281][ T94] usb 1-1: config 63 has an invalid descriptor of length 0, skipping remainder of the config [ 28.205819][ T94] usb 1-1: config 63 has 4 interfaces, different from the descriptor's value: 3 [ 28.215105][ T94] usb 1-1: config 63 has no interface number 0 [ 28.221359][ T94] usb 1-1: config 63 has no interface number 1 [ 28.227615][ T94] usb 1-1: config 63 has no interface number 2 [ 28.233981][ T94] usb 1-1: config 63 interface 58 altsetting 9 has an invalid endpoint with address 0x80, skipping [ 28.244960][ T94] usb 1-1: config 63 interface 58 altsetting 9 endpoint 0x7 has an invalid bInterval 129, changing to 7 [ 28.256574][ T94] usb 1-1: config 63 interface 58 altsetting 9 has a duplicate endpoint with address 0x7, skipping [ 28.267748][ T94] usb 1-1: config 63 interface 58 altsetting 9 endpoint 0x1 has invalid maxpacket 1023, setting to 64 [ 28.279073][ T94] usb 1-1: config 63 interface 39 altsetting 3 has a duplicate endpoint with address 0xA, skipping [ 28.289838][ T94] usb 1-1: config 63 interface 39 altsetting 3 endpoint 0xE has invalid maxpacket 512, setting to 64 [ 28.300901][ T94] usb 1-1: config 63 interface 39 altsetting 3 has an invalid endpoint descriptor of length 2, skipping [ 28.312100][ T94] usb 1-1: config 63 interface 39 altsetting 3 has a duplicate endpoint with address 0xA, skipping [ 28.322899][ T94] usb 1-1: config 63 interface 39 altsetting 3 has a duplicate endpoint with address 0xB, skipping [ 28.333621][ T94] usb 1-1: config 63 interface 39 altsetting 3 has 6 endpoint descriptors, different from the interface descriptor's value: 5 [ 28.346729][ T94] usb 1-1: config 63 interface 67 altsetting 2 has 0 endpoint descriptors, different from the interface descriptor's value: 14 [ 28.359926][ T94] usb 1-1: config 63 interface 3 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 5 [ 28.373081][ T94] usb 1-1: config 63 interface 58 has no altsetting 0 [ 28.379825][ T94] usb 1-1: config 63 interface 39 has no altsetting 0 [ 28.386616][ T94] usb 1-1: config 63 interface 67 has no altsetting 0 [ 28.393404][ T94] usb 1-1: config 63 interface 3 has no altsetting 0 [ 28.632265][ T94] usb 1-1: string descriptor 0 read error: -22 [ 28.638536][ T94] usb 1-1: New USB device found, idVendor=1df7, idProduct=2500, bcdDevice=35.d1 [ 28.647648][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.709266][ T94] msi2500 1-1:63.58: Registered as swradio0 [ 28.715962][ T94] msi2500 1-1:63.58: SDR API is still slightly experimental and functionality changes may follow [ 28.729535][ T94] ------------[ cut here ]------------ [ 28.735425][ T94] couldn't get idr [ 28.735605][ T94] WARNING: CPU: 0 PID: 94 at drivers/spi/spi.c:2592 spi_register_controller+0x103a/0x12d0 [ 28.749338][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 28.755934][ T94] CPU: 0 PID: 94 Comm: kworker/0:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 28.764616][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.779561][ T94] Workqueue: usb_hub_wq hub_event [ 28.784576][ T94] Call Trace: [ 28.787852][ T94] dump_stack+0xef/0x16e [ 28.792083][ T94] ? spi_register_controller+0xfe0/0x12d0 [ 28.797800][ T94] panic+0x2aa/0x6e1 [ 28.801849][ T94] ? add_taint.cold+0x16/0x16 [ 28.806517][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 28.811778][ T94] ? __warn.cold+0x14/0x30 [ 28.816295][ T94] ? __warn+0xd5/0x1c8 [ 28.820363][ T94] ? spi_register_controller+0x103a/0x12d0 [ 28.826154][ T94] __warn.cold+0x2f/0x30 [ 28.830988][ T94] ? spi_register_controller+0x103a/0x12d0 [ 28.836949][ T94] report_bug+0x27b/0x2f0 [ 28.841271][ T94] do_error_trap+0x12b/0x1e0 [ 28.845867][ T94] ? spi_register_controller+0x103a/0x12d0 [ 28.851674][ T94] do_invalid_op+0x32/0x40 [ 28.856108][ T94] ? spi_register_controller+0x103a/0x12d0 [ 28.861897][ T94] invalid_op+0x23/0x30 [ 28.866062][ T94] RIP: 0010:spi_register_controller+0x103a/0x12d0 [ 28.873334][ T94] 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 [ 28.892943][ T94] RSP: 0018:ffff8881d5cc7228 EFLAGS: 00010282 [ 28.899108][ T94] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 28.907518][ T94] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab98e37 [ 28.915496][ T94] RBP: ffff8881cd436000 R08: ffff8881d5cb8000 R09: fffffbfff1266c8f [ 28.923487][ T94] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 00000000ffffffe4 [ 28.931441][ T94] R13: ffff8881cd4364c8 R14: ffff8881cfe7e000 R15: ffff8881cd436000 [ 28.939503][ T94] ? vprintk_func+0x7d/0x113 [ 28.944082][ T94] ? spi_register_controller+0x103a/0x12d0 [ 28.949893][ T94] ? device_initialize+0x1b5/0x530 [ 28.955012][ T94] msi2500_probe+0x787/0xbd4 [ 28.959622][ T94] usb_probe_interface+0x310/0x800 [ 28.964737][ T94] ? usb_probe_device+0x230/0x230 [ 28.969864][ T94] really_probe+0x290/0xac0 [ 28.974376][ T94] driver_probe_device+0x223/0x350 [ 28.979468][ T94] __device_attach_driver+0x1d1/0x290 [ 28.985693][ T94] ? driver_allows_async_probing+0x160/0x160 [ 28.991664][ T94] bus_for_each_drv+0x162/0x1e0 [ 28.996596][ T94] ? bus_rescan_devices+0x20/0x20 [ 29.001697][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.007658][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 29.013885][ T94] __device_attach+0x217/0x390 [ 29.018639][ T94] ? device_bind_driver+0xd0/0xd0 [ 29.023641][ T94] bus_probe_device+0x1e4/0x290 [ 29.029263][ T94] device_add+0x1459/0x1bf0 [ 29.033755][ T94] ? device_link_remove+0x110/0x110 [ 29.038945][ T94] ? create_intf_ep_devs+0x1ba/0x230 [ 29.044234][ T94] usb_set_configuration+0xe47/0x17d0 [ 29.049590][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 29.054951][ T94] usb_probe_device+0xd9/0x230 [ 29.059693][ T94] ? usb_suspend+0x5f0/0x5f0 [ 29.064262][ T94] really_probe+0x290/0xac0 [ 29.068761][ T94] driver_probe_device+0x223/0x350 [ 29.073862][ T94] __device_attach_driver+0x1d1/0x290 [ 29.079325][ T94] ? driver_allows_async_probing+0x160/0x160 [ 29.085309][ T94] bus_for_each_drv+0x162/0x1e0 [ 29.090142][ T94] ? bus_rescan_devices+0x20/0x20 [ 29.095148][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.100934][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 29.106197][ T94] __device_attach+0x217/0x390 [ 29.110948][ T94] ? device_bind_driver+0xd0/0xd0 [ 29.116049][ T94] bus_probe_device+0x1e4/0x290 [ 29.120947][ T94] device_add+0x1459/0x1bf0 [ 29.125470][ T94] ? device_link_remove+0x110/0x110 [ 29.130672][ T94] usb_new_device.cold+0x540/0xcd0 [ 29.135768][ T94] hub_event+0x21cb/0x4300 [ 29.140251][ T94] ? hub_port_debounce+0x350/0x350 [ 29.145350][ T94] ? find_held_lock+0x2d/0x110 [ 29.150115][ T94] ? mark_held_locks+0xe0/0xe0 [ 29.154872][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.160506][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.166064][ T94] process_one_work+0x94b/0x1620 [ 29.170989][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.176351][ T94] ? do_raw_spin_lock+0x129/0x290 [ 29.181374][ T94] worker_thread+0x96/0xe20 [ 29.185863][ T94] ? process_one_work+0x1620/0x1620 [ 29.191056][ T94] kthread+0x318/0x420 [ 29.195117][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 29.200502][ T94] ret_from_fork+0x24/0x30 [ 29.206056][ T94] Kernel Offset: disabled [ 29.210451][ T94] Rebooting in 86400 seconds..