usb 5-1: usbvision_write_reg: failed: error -2 usbvision_set_audio: can't write iopin register for audio switching kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 8880 Comm: v4l_id Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:usb_set_interface+0x34/0xa50 drivers/usb/core/message.c:1362 Code: fc 55 53 48 83 ec 40 89 54 24 18 89 74 24 10 e8 22 1c ef fd 49 8d 7c 24 48 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 08 00 00 49 8b 44 24 48 49 8d 7c 24 18 48 89 RSP: 0018:ffff8881d6a07d50 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000009 RSI: ffffffff834ebe7e RDI: 0000000000000048 RBP: ffff8881d4b94200 R08: ffffffff88d4bc20 R09: ffffed103a972b43 R10: ffff8881d6a07dc8 R11: ffff8881d4b95a17 R12: 0000000000000000 R13: ffff8881d4b95a10 R14: ffff8881d4b94cc8 R15: ffff8881d4b95178 FS: 00007f40f7aad700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f75d0cc5000 CR3: 00000001caff1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usbvision_radio_close+0x105/0x250 drivers/media/usb/usbvision/usbvision-video.c:1114 v4l2_release+0x2e7/0x390 drivers/media/v4l2-core/v4l2-dev.c:455 __fput+0x2d7/0x840 fs/file_table.c:280 task_work_run+0x13f/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x1d2/0x200 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x45f/0x580 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f40f75db2b0 Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 RSP: 002b:00007fff05922ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f40f75db2b0 RDX: 00007f40f7891df0 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f40f7891df0 R09: 000000000000000a R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 R13: 00007fff05923030 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 7acafa97a40e9696 ]--- RIP: 0010:usb_set_interface+0x34/0xa50 drivers/usb/core/message.c:1362 Code: fc 55 53 48 83 ec 40 89 54 24 18 89 74 24 10 e8 22 1c ef fd 49 8d 7c 24 48 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 08 00 00 49 8b 44 24 48 49 8d 7c 24 18 48 89 RSP: 0018:ffff8881d6a07d50 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000009 RSI: ffffffff834ebe7e RDI: 0000000000000048 RBP: ffff8881d4b94200 R08: ffffffff88d4bc20 R09: ffffed103a972b43 R10: ffff8881d6a07dc8 R11: ffff8881d4b95a17 R12: 0000000000000000 R13: ffff8881d4b95a10 R14: ffff8881d4b94cc8 R15: ffff8881d4b95178 FS: 00007f40f7aad700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f75d0cc5000 CR3: 00000001caff1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400