[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.952673][ C1] random: crng init done [ 15.957469][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. executing program [ 82.043669][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 82.403697][ T95] usb 1-1: config 0 has an invalid interface number: 95 but max is 0 [ 82.413221][ T95] usb 1-1: config 0 has no interface number 0 [ 82.419747][ T95] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 82.430704][ T95] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 82.442351][ T95] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 82.453571][ T95] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 82.465201][ T95] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 82.475843][ T95] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 82.486785][ T95] usb 1-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 82.497632][ T95] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 82.508491][ T95] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 82.519540][ T95] usb 1-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 82.528838][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 82.538913][ T95] usb 1-1: config 0 descriptor?? [ 82.598288][ T95] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner executing program [ 82.803987][ T104] pvrusb2: Invalid write control endpoint [ 82.807018][ T95] usb 1-1: USB disconnect, device number 2 [ 82.872433][ T104] pvrusb2: Invalid write control endpoint [ 82.878363][ T104] pvrusb2: Invalid write control endpoint [ 82.885166][ T104] pvrusb2: Invalid write control endpoint [ 82.890988][ T104] pvrusb2: Invalid write control endpoint [ 82.896811][ T104] pvrusb2: Invalid write control endpoint [ 82.902550][ T104] pvrusb2: Invalid write control endpoint [ 82.908372][ T104] pvrusb2: Invalid write control endpoint [ 82.914192][ T104] pvrusb2: Invalid write control endpoint [ 82.919919][ T104] pvrusb2: Invalid write control endpoint [ 82.925831][ T104] pvrusb2: Invalid write control endpoint [ 82.931584][ T104] pvrusb2: Invalid write control endpoint [ 82.937389][ T104] pvrusb2: Invalid write control endpoint [ 82.943123][ T104] pvrusb2: Invalid write control endpoint [ 82.948929][ T104] pvrusb2: Invalid write control endpoint [ 82.954745][ T104] pvrusb2: Invalid write control endpoint [ 82.960497][ T104] pvrusb2: Invalid write control endpoint [ 82.966299][ T104] pvrusb2: Invalid write control endpoint [ 82.972038][ T104] pvrusb2: Invalid write control endpoint [ 82.977854][ T104] pvrusb2: Invalid write control endpoint [ 82.983755][ T104] pvrusb2: Invalid write control endpoint [ 82.989464][ T104] pvrusb2: Invalid write control endpoint [ 82.995269][ T104] pvrusb2: Invalid write control endpoint [ 83.001001][ T104] pvrusb2: Invalid write control endpoint [ 83.006770][ T104] pvrusb2: Invalid write control endpoint [ 83.015400][ T104] pvrusb2: Invalid write control endpoint [ 83.021142][ T104] pvrusb2: Invalid write control endpoint [ 83.027552][ T104] pvrusb2: Invalid write control endpoint [ 83.033282][ T104] pvrusb2: Invalid write control endpoint [ 83.039341][ T104] pvrusb2: Invalid write control endpoint [ 83.045173][ T104] pvrusb2: Invalid write control endpoint [ 83.051170][ T104] pvrusb2: Invalid write control endpoint [ 83.057236][ T104] pvrusb2: Invalid write control endpoint [ 83.063820][ T104] pvrusb2: Module ID 3 (saa7115) for device OnAir Creator Hybrid USB tuner failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 83.086056][ T104] cs53l32a 0-0011: chip found @ 0x22 (pvrusb2_a) [ 83.092583][ T104] pvrusb2: Invalid write control endpoint [ 83.098613][ T104] pvrusb2: Invalid write control endpoint [ 83.104403][ T104] pvrusb2: Invalid write control endpoint [ 83.110116][ T104] pvrusb2: Invalid write control endpoint [ 83.115909][ T104] pvrusb2: Invalid write control endpoint [ 83.121747][ T104] pvrusb2: Invalid write control endpoint [ 83.127535][ T104] pvrusb2: Invalid write control endpoint [ 83.133548][ T104] pvrusb2: Invalid write control endpoint [ 83.140245][ T104] pvrusb2: Invalid write control endpoint [ 83.146934][ T104] pvrusb2: Invalid write control endpoint [ 83.152668][ T104] pvrusb2: Invalid write control endpoint [ 83.158470][ T104] pvrusb2: Invalid write control endpoint [ 83.164349][ T104] pvrusb2: Invalid write control endpoint [ 83.170061][ T104] pvrusb2: Invalid write control endpoint [ 83.175824][ T104] pvrusb2: Invalid write control endpoint [ 83.181595][ T104] pvrusb2: Invalid write control endpoint [ 83.187368][ T104] pvrusb2: Invalid write control endpoint [ 83.193116][ T104] pvrusb2: Invalid write control endpoint [ 83.199097][ T104] pvrusb2: Invalid write control endpoint [ 83.204881][ T104] pvrusb2: Invalid write control endpoint [ 83.210620][ T104] pvrusb2: Invalid write control endpoint [ 83.217142][ T104] pvrusb2: Attached sub-driver cs53l32a [ 83.226981][ T104] pvrusb2: Invalid write control endpoint [ 83.232802][ T104] pvrusb2: Invalid write control endpoint [ 83.238776][ T104] pvrusb2: Invalid write control endpoint [ 83.244622][ T104] pvrusb2: Invalid write control endpoint [ 83.250395][ T104] pvrusb2: Module ID 4 (tuner) for device OnAir Creator Hybrid USB tuner failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 83.268020][ T104] pvrusb2: Device being rendered inoperable [ 83.275392][ T104] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 83.288818][ T104] 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. [ 83.317477][ T104] ------------[ cut here ]------------ [ 83.322987][ T104] sysfs group 'power' not found for kobject '0-0011' [ 83.329962][ T104] WARNING: CPU: 0 PID: 104 at fs/sysfs/group.c:279 sysfs_remove_group+0x155/0x1b0 [ 83.339278][ T104] Kernel panic - not syncing: panic_on_warn set ... [ 83.345859][ T104] CPU: 0 PID: 104 Comm: pvrusb2-context Not tainted 5.7.0-rc6-syzkaller #0 [ 83.354439][ T104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.366624][ T104] Call Trace: [ 83.369928][ T104] dump_stack+0xef/0x16e [ 83.374328][ T104] ? sysfs_remove_group+0x110/0x1b0 [ 83.379888][ T104] panic+0x2aa/0x6e1 [ 83.383822][ T104] ? add_taint.cold+0x16/0x16 [ 83.388486][ T104] ? __probe_kernel_read+0x188/0x1d0 [ 83.393855][ T104] ? __warn.cold+0x14/0x30 [ 83.398270][ T104] ? __warn+0xd5/0x1c8 [ 83.402339][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 83.407532][ T104] __warn.cold+0x2f/0x30 [ 83.411843][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 83.417023][ T104] report_bug+0x27b/0x2f0 [ 83.421442][ T104] do_error_trap+0x12b/0x1e0 [ 83.426082][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 83.431791][ T104] do_invalid_op+0x32/0x40 [ 83.436197][ T104] ? sysfs_remove_group+0x155/0x1b0 [ 83.441580][ T104] invalid_op+0x23/0x30 [ 83.445736][ T104] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 83.453536][ T104] 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 8f f1 85 e8 d3 9a 82 ff <0f> 0b eb 95 e8 e2 34 d8 ff e9 d2 fe ff ff 48 89 df e8 d5 34 d8 ff [ 83.473406][ T104] RSP: 0018:ffff8881d43afb80 EFLAGS: 00010286 [ 83.479465][ T104] RAX: 0000000000000000 RBX: ffffffff86174980 RCX: 0000000000000000 [ 83.487425][ T104] RDX: 0000000000000000 RSI: ffffffff812a339d RDI: ffffed103a875f62 [ 83.495389][ T104] RBP: 0000000000000000 R08: ffff8881d4ff3180 R09: ffffed103b64629a [ 83.503353][ T104] R10: ffff8881db2314cf R11: ffffed103b646299 R12: ffff8881cc4b0020 [ 83.511914][ T104] R13: ffffffff86174f20 R14: 1ffff1103a875f97 R15: dffffc0000000000 [ 83.519980][ T104] ? vprintk_func+0x7d/0x113 [ 83.524848][ T104] ? __process_removed_driver+0x70/0x70 [ 83.530391][ T104] dpm_sysfs_remove+0x97/0xb0 [ 83.535048][ T104] device_del+0x18b/0xd30 [ 83.539376][ T104] ? device_create_with_groups+0x120/0x120 [ 83.545164][ T104] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 83.550948][ T104] ? __device_link_free_srcu+0x110/0x110 [ 83.556579][ T104] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 83.561864][ T104] ? __process_removed_driver+0x70/0x70 [ 83.567390][ T104] device_unregister+0x22/0xc0 [ 83.572161][ T104] ? __process_removed_driver+0x70/0x70 [ 83.577705][ T104] __unregister_client+0x8b/0xa0 [ 83.582638][ T104] device_for_each_child+0xf9/0x170 [ 83.587826][ T104] ? device_remove_class_symlinks+0x1c0/0x1c0 [ 83.593991][ T104] ? __radix_tree_lookup+0x1ed/0x260 [ 83.599257][ T104] i2c_del_adapter+0x373/0x660 [ 83.604089][ T104] ? del_timer_sync+0x115/0x130 [ 83.608916][ T104] pvr2_i2c_core_done+0x69/0xb6 [ 83.613765][ T104] pvr2_hdw_destroy+0x179/0x370 [ 83.618607][ T104] pvr2_context_destroy+0x84/0x230 [ 83.623708][ T104] pvr2_context_thread_func+0x657/0x860 [ 83.629231][ T104] ? pvr2_context_destroy+0x230/0x230 [ 83.634594][ T104] ? __sched_text_start+0x8/0x8 [ 83.639436][ T104] ? finish_wait+0x260/0x260 [ 83.644030][ T104] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 83.649305][ T104] ? __kthread_parkme+0x118/0x1d0 [ 83.654354][ T104] ? pvr2_context_destroy+0x230/0x230 [ 83.659723][ T104] kthread+0x326/0x430 [ 83.663785][ T104] ? kthread_create_on_node+0xf0/0xf0 [ 83.669253][ T104] ret_from_fork+0x24/0x30 [ 83.674557][ T104] Kernel Offset: disabled [ 83.678936][ T104] Rebooting in 86400 seconds..