Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.694361][ C1] random: crng init done [ 15.698657][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 23.910300][ T325] can: request_module (can-proto-0) failed. [ 23.920004][ T325] can: request_module (can-proto-0) failed. [ 23.929877][ T325] can: request_module (can-proto-7) failed. [ 23.939360][ T325] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. 2020/07/22 04:05:26 parsed 1 programs 2020/07/22 04:05:26 executed programs: 0 [ 30.988141][ T483] cgroup: Unknown subsys name 'perf_event' [ 30.988666][ T481] cgroup: Unknown subsys name 'perf_event' [ 30.995184][ T483] cgroup: Unknown subsys name 'net_cls' [ 31.008502][ T481] cgroup: Unknown subsys name 'net_cls' [ 31.014159][ T486] cgroup: Unknown subsys name 'perf_event' [ 31.018501][ T488] cgroup: Unknown subsys name 'perf_event' [ 31.021838][ T486] cgroup: Unknown subsys name 'net_cls' [ 31.029688][ T490] cgroup: Unknown subsys name 'perf_event' [ 31.038199][ T488] cgroup: Unknown subsys name 'net_cls' [ 31.047164][ T492] cgroup: Unknown subsys name 'perf_event' [ 31.048288][ T490] cgroup: Unknown subsys name 'net_cls' [ 31.060834][ T492] cgroup: Unknown subsys name 'net_cls' [ 38.977638][ T17] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 39.057623][ T57] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 39.067477][ T69] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 39.137449][ T12] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 39.137458][ T344] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 39.227428][ T3185] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.377506][ T17] usb 3-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.385711][ T17] usb 3-1: config 0 has no interface number 0 [ 39.391985][ T17] usb 3-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 39.402966][ T17] usb 3-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.413648][ T17] usb 3-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 39.424548][ T17] usb 3-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 39.427416][ T69] usb 5-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.435156][ T17] usb 3-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 39.443278][ T69] usb 5-1: config 0 has no interface number 0 [ 39.453803][ T17] usb 3-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 39.462780][ T69] usb 5-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 39.470978][ T17] usb 3-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 39.470997][ T17] usb 3-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.471019][ T17] usb 3-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 39.471052][ T17] usb 3-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 39.471067][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.483622][ T17] usb 3-1: config 0 descriptor?? [ 39.492615][ T69] usb 5-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.492636][ T69] usb 5-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 39.492654][ T69] usb 5-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 39.492670][ T69] usb 5-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 39.492689][ T69] usb 5-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 39.492705][ T69] usb 5-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 39.492723][ T69] usb 5-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.492743][ T69] usb 5-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 39.492772][ T69] usb 5-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 39.492788][ T69] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.525972][ T69] usb 5-1: config 0 descriptor?? [ 39.531517][ T57] usb 6-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.531533][ T57] usb 6-1: config 0 has no interface number 0 [ 39.531567][ T57] usb 6-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 39.531585][ T57] usb 6-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.539129][ T12] usb 2-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.547162][ T57] usb 6-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 39.557976][ T12] usb 2-1: config 0 has no interface number 0 [ 39.568526][ T57] usb 6-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 39.590106][ T12] usb 2-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 39.600634][ T57] usb 6-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 39.600654][ T57] usb 6-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 39.600670][ T57] usb 6-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 39.600686][ T57] usb 6-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.600706][ T57] usb 6-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 39.600733][ T57] usb 6-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 39.600750][ T57] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.611341][ T12] usb 2-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.636102][ T57] usb 6-1: config 0 descriptor?? [ 39.639401][ T12] usb 2-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 39.639421][ T12] usb 2-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 39.667569][ T344] usb 4-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.669482][ T12] usb 2-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 39.680149][ T344] usb 4-1: config 0 has no interface number 0 [ 39.688143][ T12] usb 2-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 39.703759][ T17] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 39.705042][ T12] usb 2-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 39.719065][ T57] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 39.727944][ T12] usb 2-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.727967][ T12] usb 2-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 39.727998][ T12] usb 2-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 39.728016][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.748485][ T344] usb 4-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 39.751310][ T69] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 39.760238][ T344] usb 4-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.802477][ T12] usb 2-1: config 0 descriptor?? [ 39.811790][ T344] usb 4-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 39.811809][ T344] usb 4-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 39.811826][ T344] usb 4-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 39.811845][ T344] usb 4-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 39.811862][ T344] usb 4-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 39.811877][ T344] usb 4-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 39.811897][ T344] usb 4-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 39.811928][ T344] usb 4-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 39.849266][ T12] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 39.858375][ T344] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.891115][ T78] pvrusb2: Invalid write control endpoint [ 39.900615][ T344] usb 4-1: config 0 descriptor?? [ 39.906975][ T69] usb 5-1: USB disconnect, device number 2 [ 39.937572][ T3185] usb 1-1: config 0 has an invalid interface number: 95 but max is 0 [ 39.947521][ T78] pvrusb2: Invalid write control endpoint [ 39.950723][ T3185] usb 1-1: config 0 has no interface number 0 [ 39.958311][ T78] pvrusb2: Invalid write control endpoint [ 39.977397][ T17] usb 3-1: USB disconnect, device number 2 [ 40.018416][ T78] pvrusb2: Invalid write control endpoint [ 40.031348][ T57] usb 6-1: USB disconnect, device number 2 [ 40.038970][ T78] pvrusb2: Invalid write control endpoint [ 40.054333][ T344] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 40.070147][ T12] usb 2-1: USB disconnect, device number 2 [ 40.078133][ T57] pvrusb2: Device being rendered inoperable [ 40.092335][ T78] pvrusb2: Invalid write control endpoint [ 40.099852][ T3185] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x5 has invalid maxpacket 1024, setting to 64 [ 40.107875][ T12] pvrusb2: Device being rendered inoperable [ 40.110393][ T3185] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 40.120612][ T78] pvrusb2: Invalid write control endpoint [ 40.121838][ T3185] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 40.121855][ T3185] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 40.121873][ T3185] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x4B, skipping [ 40.135233][ T78] pvrusb2: Invalid write control endpoint [ 40.139120][ T3185] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 40.139139][ T3185] usb 1-1: config 0 interface 95 altsetting 0 has a duplicate endpoint with address 0xD, skipping [ 40.139156][ T3185] usb 1-1: config 0 interface 95 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 40.139177][ T3185] usb 1-1: config 0 interface 95 altsetting 0 endpoint 0x3 has invalid maxpacket 1024, setting to 64 [ 40.139205][ T3185] usb 1-1: New USB device found, idVendor=11ba, idProduct=1003, bcdDevice=87.d9 [ 40.147045][ T78] pvrusb2: Invalid write control endpoint [ 40.152626][ T3185] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.165779][ T17] pvrusb2: Device being rendered inoperable [ 40.185777][ T78] pvrusb2: Invalid write control endpoint [ 40.200188][ T344] usb 4-1: USB disconnect, device number 2 [ 40.212511][ T78] pvrusb2: Invalid write control endpoint [ 40.223511][ T3185] usb 1-1: config 0 descriptor?? [ 40.231885][ T78] pvrusb2: Invalid write control endpoint [ 40.243485][ T344] pvrusb2: Device being rendered inoperable [ 40.250440][ T78] pvrusb2: Invalid write control endpoint [ 40.289123][ T3185] pvrusb2: Hardware description: OnAir Creator Hybrid USB tuner [ 40.293948][ T78] pvrusb2: Invalid write control endpoint [ 40.360870][ T78] pvrusb2: Invalid write control endpoint [ 40.366571][ T78] pvrusb2: Invalid write control endpoint [ 40.372969][ T78] pvrusb2: Invalid write control endpoint [ 40.379324][ T78] pvrusb2: Invalid write control endpoint [ 40.385034][ T78] pvrusb2: Invalid write control endpoint [ 40.391362][ T78] pvrusb2: Invalid write control endpoint [ 40.397983][ T78] pvrusb2: Invalid write control endpoint [ 40.403702][ T78] pvrusb2: Invalid write control endpoint [ 40.410617][ T78] pvrusb2: Invalid write control endpoint [ 40.416338][ T78] pvrusb2: Invalid write control endpoint [ 40.422632][ T78] pvrusb2: Invalid write control endpoint [ 40.428826][ T78] pvrusb2: Invalid write control endpoint [ 40.434552][ T78] pvrusb2: Invalid write control endpoint [ 40.440796][ T78] pvrusb2: Invalid write control endpoint [ 40.446505][ T78] pvrusb2: Invalid write control endpoint [ 40.452795][ T78] pvrusb2: Invalid write control endpoint [ 40.459211][ T78] pvrusb2: Invalid write control endpoint [ 40.464920][ T78] pvrusb2: Invalid write control endpoint [ 40.471650][ T78] pvrusb2: Invalid write control endpoint [ 40.478674][ T78] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] SMP KASAN [ 40.489678][ T78] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 40.498070][ T78] CPU: 0 PID: 78 Comm: pvrusb2-context Not tainted 5.7.0-syzkaller #0 [ 40.506199][ T78] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.516251][ T78] RIP: 0010:kernfs_find_ns+0x31/0x370 [ 40.521607][ T78] Code: 49 89 d6 41 55 41 54 55 48 89 fd 53 48 83 ec 08 e8 f4 61 af ff 48 8d 7d 70 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 1e 03 00 00 48 8d bd 98 00 00 00 48 8b 5d 70 48 [ 40.541180][ T78] RSP: 0018:ffff8881d419f938 EFLAGS: 00010202 [ 40.547217][ T78] RAX: dffffc0000000000 RBX: ffffffff863789c0 RCX: ffffffff85a79ba7 [ 40.555178][ T78] RDX: 000000000000000e RSI: ffffffff81901d1c RDI: 0000000000000070 [ 40.563124][ T78] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff873ed1e7 [ 40.571067][ T78] R10: fffffbfff0e7da3c R11: 0000000000000001 R12: 0000000000000000 [ 40.579011][ T78] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff863790e0 [ 40.586956][ T78] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 40.595855][ T78] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.602410][ T78] CR2: 00007f3a7e248000 CR3: 00000001d2224000 CR4: 00000000001406f0 [ 40.610358][ T78] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.618301][ T78] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.626245][ T78] Call Trace: [ 40.629522][ T78] kernfs_find_and_get_ns+0x2f/0x60 [ 40.634701][ T78] sysfs_unmerge_group+0x5d/0x160 [ 40.639701][ T78] dpm_sysfs_remove+0x62/0xb0 [ 40.644356][ T78] device_del+0x18b/0xd20 [ 40.648660][ T78] ? device_link_add_missing_supplier_links+0x370/0x370 [ 40.655565][ T78] ? devres_remove_group+0x440/0x440 [ 40.660820][ T78] ? kobject_put+0xb0/0x540 [ 40.665296][ T78] ? devm_i2c_release_dummy+0x70/0x70 [ 40.670654][ T78] device_unregister+0x22/0xc0 [ 40.675390][ T78] i2c_client_dev_release+0x39/0x50 [ 40.680558][ T78] device_release+0x71/0x200 [ 40.685119][ T78] kobject_put+0x245/0x540 [ 40.689565][ T78] device_unregister+0x34/0xc0 [ 40.694315][ T78] i2c_unregister_device+0x38/0x40 [ 40.699471][ T78] v4l2_i2c_new_subdev_board+0x159/0x2c0 [ 40.705088][ T78] v4l2_i2c_new_subdev+0xb8/0xf0 [ 40.710062][ T78] ? v4l2_i2c_new_subdev_board+0x2c0/0x2c0 [ 40.715845][ T78] pvr2_hdw_initialize+0xc8d/0x3600 [ 40.721016][ T78] ? pvr2_hdw_gpio_chg_dir+0x1e0/0x1e0 [ 40.726446][ T78] ? find_held_lock+0x2d/0x110 [ 40.731187][ T78] ? __mutex_unlock_slowpath+0xe2/0x610 [ 40.736707][ T78] ? lock_downgrade+0x730/0x730 [ 40.741533][ T78] ? wait_for_completion+0x270/0x270 [ 40.746878][ T78] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 40.752658][ T78] ? lockdep_hardirqs_on_prepare+0x370/0x550 [ 40.758612][ T78] pvr2_context_thread_func+0x250/0x850 [ 40.764145][ T78] ? pvr2_context_destroy+0x230/0x230 [ 40.769520][ T78] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 40.775296][ T78] ? __kthread_parkme+0x69/0x1d0 [ 40.781246][ T78] ? lockdep_hardirqs_on_prepare+0x370/0x550 [ 40.787203][ T78] ? finish_wait+0x260/0x260 [ 40.791778][ T78] ? __kthread_parkme+0x69/0x1d0 [ 40.796741][ T78] ? __kthread_parkme+0x118/0x1d0 [ 40.801778][ T78] ? pvr2_context_destroy+0x230/0x230 [ 40.807129][ T78] kthread+0x392/0x470 [ 40.811174][ T78] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 40.817040][ T78] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 40.822907][ T78] ret_from_fork+0x24/0x30 [ 40.827291][ T78] Modules linked in: [ 40.831338][ T78] ---[ end trace a2576a16aa8e791c ]--- [ 40.836808][ T78] RIP: 0010:kernfs_find_ns+0x31/0x370 [ 40.842225][ T78] Code: 49 89 d6 41 55 41 54 55 48 89 fd 53 48 83 ec 08 e8 f4 61 af ff 48 8d 7d 70 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 1e 03 00 00 48 8d bd 98 00 00 00 48 8b 5d 70 48 [ 40.861874][ T78] RSP: 0018:ffff8881d419f938 EFLAGS: 00010202 [ 40.867958][ T78] RAX: dffffc0000000000 RBX: ffffffff863789c0 RCX: ffffffff85a79ba7 [ 40.875920][ T78] RDX: 000000000000000e RSI: ffffffff81901d1c RDI: 0000000000000070 [ 40.883904][ T78] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff873ed1e7 [ 40.891899][ T78] R10: fffffbfff0e7da3c R11: 0000000000000001 R12: 0000000000000000 [ 40.899889][ T78] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff863790e0 [ 40.907879][ T78] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 40.916912][ T78] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.923514][ T78] CR2: 00007f3a7e248000 CR3: 00000001d2224000 CR4: 00000000001406f0 [ 40.931513][ T78] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.939505][ T78] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.947499][ T78] Kernel panic - not syncing: Fatal exception [ 40.958786][ T78] Kernel Offset: disabled [ 40.963097][ T78] Rebooting in 86400 seconds..