au0828: au0828_usb_probe() au0828_analog_register failed to register on V4L2 BUG: unable to handle page fault for address: fffffffbcea59fb8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 6e22067 P4D 6e22067 PUD 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 2779 Comm: kworker/0:3 Not tainted 5.2.0-rc1+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:decode_cpu kernel/locking/osq_lock.c:34 [inline] RIP: 0010:osq_lock+0xf8/0x5a0 kernel/locking/osq_lock.c:111 Code: 48 63 e8 48 b8 00 00 00 00 00 fc ff df 48 8d 3c ed 40 d8 b9 86 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 2c 04 00 00 48 8d 53 08 <4c> 03 2c ed 40 d8 b9 86 48 b8 00 00 00 00 00 fc ff df 48 89 d6 48 RSP: 0018:ffff8881d2a0f038 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8881db2338c0 RCX: 1fffffff79d4b3f7 RDX: ffff8881db2338c8 RSI: 0000000000000004 RDI: fffffffbcea59fb8 RBP: ffffffff88fd78ef R08: 0000000000000000 R09: ffffed1039242331 R10: ffffed1039242330 R11: ffff8881c9211983 R12: ffff8881db2338d0 R13: 00000000000338c0 R14: ffff8881d367b000 R15: ffff8881c9211980 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffbcea59fb8 CR3: 00000001bb9ba000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mutex_optimistic_spin kernel/locking/mutex.c:630 [inline] __mutex_lock_common kernel/locking/mutex.c:928 [inline] __mutex_lock+0x278/0x12b0 kernel/locking/mutex.c:1072 au0828_usb_disconnect+0x9e/0x120 drivers/media/usb/au0828/au0828-core.c:192 au0828_usb_probe.cold+0x62/0x84d drivers/media/usb/au0828/au0828-core.c:765 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432 process_one_work+0x905/0x1570 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x30b/0x410 kernel/kthread.c:254 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: CR2: fffffffbcea59fb8 ---[ end trace 39314de817f40c39 ]--- RIP: 0010:decode_cpu kernel/locking/osq_lock.c:34 [inline] RIP: 0010:osq_lock+0xf8/0x5a0 kernel/locking/osq_lock.c:111 Code: 48 63 e8 48 b8 00 00 00 00 00 fc ff df 48 8d 3c ed 40 d8 b9 86 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 2c 04 00 00 48 8d 53 08 <4c> 03 2c ed 40 d8 b9 86 48 b8 00 00 00 00 00 fc ff df 48 89 d6 48 RSP: 0018:ffff8881d2a0f038 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8881db2338c0 RCX: 1fffffff79d4b3f7 RDX: ffff8881db2338c8 RSI: 0000000000000004 RDI: fffffffbcea59fb8 RBP: ffffffff88fd78ef R08: 0000000000000000 R09: ffffed1039242331 R10: ffffed1039242330 R11: ffff8881c9211983 R12: ffff8881db2338d0 R13: 00000000000338c0 R14: ffff8881d367b000 R15: ffff8881c9211980 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffbcea59fb8 CR3: 00000001bb9ba000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400