[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 16.388751][ C1] random: crng init done [....] 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 '10.128.0.167' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 81.856051][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 82.216046][ T21] usb 1-1: config 0 has an invalid interface number: 13 but max is 0 [ 82.224223][ T21] usb 1-1: config 0 has no interface number 0 [ 82.230374][ T21] usb 1-1: New USB device found, idVendor=1164, idProduct=0602, bcdDevice=89.6c [ 82.239528][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 82.249107][ T21] usb 1-1: config 0 descriptor?? [ 82.289717][ T21] pvrusb2: Hardware description: Gotview USB 2.0 DVD Deluxe executing program [ 82.476739][ T108] pvrusb2: Invalid write control endpoint [ 82.482957][ T21] usb 1-1: USB disconnect, device number 2 [ 82.493596][ T108] pvrusb2: Invalid write control endpoint [ 82.499397][ T108] pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. [ 82.508386][ T108] pvrusb2: WARNING: Try power cycling the pvrusb2 device. [ 82.515477][ T108] pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. [ 82.525172][ T108] pvrusb2: Device being rendered inoperable [ 82.531594][ T108] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 82.538858][ T108] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 82.547829][ T108] pvrusb2: Attached sub-driver cx25840 [ 82.557413][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.565485][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.573552][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.581536][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.589547][ T108] pvrusb2: Module ID 4 (tuner) for device Gotview USB 2.0 DVD Deluxe failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 82.611532][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.619797][ T108] tda9887 0-0043: creating new instance [ 82.625411][ T108] tda9887 0-0043: tda988[5/6/7] found [ 82.630823][ T108] pvrusb2: Attempted to execute control transfer when device not ok [ 82.638918][ T108] tda9887 0-0043: i2c i/o error: rc == -5 (should be 4) [ 82.645980][ T108] tuner: 0-0043: Tuner 74 found with type(s) Radio TV. [ 82.653071][ T108] pvrusb2: Attached sub-driver tuner [ 82.658423][ T108] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 82.671390][ T108] pvrusb2: You need to resolve the failing condition before this driver can function. There should be some earlier messages giving more information about the problem. [ 82.693310][ T108] ------------[ cut here ]------------ [ 82.698827][ T108] sysfs group 'power' not found for kobject '0-0043' [ 82.705609][ T108] WARNING: CPU: 1 PID: 108 at fs/sysfs/group.c:254 sysfs_remove_group+0x155/0x1b0 [ 82.714800][ T108] Kernel panic - not syncing: panic_on_warn set ... [ 82.721369][ T108] CPU: 1 PID: 108 Comm: pvrusb2-context Not tainted 5.2.0-rc5+ #11 [ 82.729230][ T108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.739360][ T108] Call Trace: [ 82.742673][ T108] dump_stack+0xca/0x13e [ 82.746916][ T108] ? sysfs_remove_group+0xa0/0x1b0 [ 82.752033][ T108] panic+0x292/0x6c9 [ 82.755912][ T108] ? __warn_printk+0xf3/0xf3 [ 82.760487][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.765673][ T108] ? __probe_kernel_read+0x16c/0x1b0 [ 82.770944][ T108] ? __warn.cold+0x5/0x4b [ 82.775251][ T108] ? __warn+0xe4/0x1c0 [ 82.779310][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.784486][ T108] __warn.cold+0x20/0x4b [ 82.788718][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.793902][ T108] report_bug+0x262/0x2a0 [ 82.798242][ T108] do_error_trap+0x12b/0x1e0 [ 82.802954][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.808135][ T108] do_invalid_op+0x32/0x40 [ 82.812529][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.817761][ T108] invalid_op+0x14/0x20 [ 82.821915][ T108] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 82.827789][ T108] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 60 4a d0 85 e8 a6 1f 8c ff <0f> 0b eb 95 e8 82 48 dc ff e9 d2 fe ff ff 48 89 df e8 75 48 dc ff [ 82.847445][ T108] RSP: 0018:ffff8881d43b7b68 EFLAGS: 00010286 [ 82.853491][ T108] RAX: 0000000000000000 RBX: ffffffff85f240c0 RCX: 0000000000000000 [ 82.861435][ T108] RDX: 0000000000000000 RSI: ffffffff8127ec0d RDI: ffffed103a876f5f [ 82.869379][ T108] RBP: 0000000000000000 R08: ffff8881d43a8000 R09: ffffed103b663ed7 [ 82.877335][ T108] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffff8881cf5d1120 [ 82.885289][ T108] R13: ffffffff85f24660 R14: 1ffff1103a876f98 R15: ffff8881cf5d1168 [ 82.893303][ T108] ? vprintk_func+0x7d/0x113 [ 82.897881][ T108] ? sysfs_remove_group+0x155/0x1b0 [ 82.903129][ T108] dpm_sysfs_remove+0x97/0xb0 [ 82.907792][ T108] device_del+0x172/0xb80 [ 82.912190][ T108] ? __kasan_slab_free+0x145/0x180 [ 82.917296][ T108] ? kfree_const+0x51/0x60 [ 82.921699][ T108] ? __device_links_no_driver+0x240/0x240 [ 82.927512][ T108] ? kfree_const+0x51/0x60 [ 82.931906][ T108] ? kobject_put+0x18c/0x280 [ 82.936469][ T108] device_unregister+0x11/0x30 [ 82.941224][ T108] i2c_unregister_device+0x13f/0x180 [ 82.946589][ T108] ? i2c_check_mux_children+0xa0/0xa0 [ 82.951945][ T108] __unregister_client+0x78/0x90 [ 82.956888][ T108] device_for_each_child+0xf9/0x170 [ 82.962067][ T108] ? device_remove_class_symlinks+0x210/0x210 [ 82.968119][ T108] ? __radix_tree_lookup+0x1ed/0x260 [ 82.973393][ T108] i2c_del_adapter+0x2b2/0x550 [ 82.978157][ T108] ? del_timer_sync+0x121/0x130 [ 82.983010][ T108] pvr2_i2c_core_done+0x69/0xb6 [ 82.987871][ T108] pvr2_hdw_destroy+0x179/0x370 [ 82.992719][ T108] pvr2_context_destroy+0x84/0x230 [ 82.997845][ T108] pvr2_context_thread_func+0x657/0x860 [ 83.003394][ T108] ? lock_acquire+0x100/0x2b0 [ 83.008070][ T108] ? pvr2_context_destroy+0x230/0x230 [ 83.013483][ T108] ? finish_wait+0x260/0x260 [ 83.018077][ T108] ? lockdep_hardirqs_on+0x379/0x580 [ 83.023343][ T108] ? __kthread_parkme+0xfd/0x1b0 [ 83.028263][ T108] ? pvr2_context_destroy+0x230/0x230 [ 83.033972][ T108] kthread+0x30b/0x410 [ 83.038051][ T108] ? kthread_park+0x1a0/0x1a0 [ 83.042729][ T108] ret_from_fork+0x24/0x30 [ 83.047884][ T108] Kernel Offset: disabled [ 83.052338][ T108] Rebooting in 86400 seconds..