usbvision_set_audio: can't write iopin register for audio switching
usbvision_radio_close: Final disconnect
------------[ cut here ]------------
sysfs group 'power' not found for kobject 'radio1'
WARNING: CPU: 0 PID: 12464 at fs/sysfs/group.c:278 sysfs_remove_group fs/sysfs/group.c:278 [inline]
WARNING: CPU: 0 PID: 12464 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:269
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 12464 Comm: v4l_id Not tainted 5.6.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xef/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:221
 __warn.cold+0x2f/0x30 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:sysfs_remove_group fs/sysfs/group.c:278 [inline]
RIP: 0010:sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:269
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 e0 58 f1 85 e8 93 27 84 ff <0f> 0b eb 95 e8 52 60 d8 ff e9 d2 fe ff ff 48 89 df e8 45 60 d8 ff
RSP: 0018:ffff8881d95a7c48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff8615ed00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed103b2b4f7b
RBP: 0000000000000000 R08: ffff8881c9b36200 R09: ffffed103b646248
R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881d0d48af8
R13: ffffffff8615f2a0 R14: 0000000000000000 R15: ffff8881d0d48fb8
 dpm_sysfs_remove+0x97/0xb0 drivers/base/power/sysfs.c:741
 device_del+0x18b/0xd30 drivers/base/core.c:2654
 device_unregister+0x22/0xc0 drivers/base/core.c:2709
 video_unregister_device+0xa2/0xc0 drivers/media/v4l2-core/v4l2-dev.c:1076
 usbvision_unregister_video+0x83/0x120 drivers/media/usb/usbvision/usbvision-video.c:1244
 usbvision_release+0x10d/0x1c0 drivers/media/usb/usbvision/usbvision-video.c:1357
 usbvision_radio_close.cold+0x2b/0x74 drivers/media/usb/usbvision/usbvision-video.c:1130
 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:164
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x4e0/0x5a0 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efe5e9f7270
Code: 73 01 c3 48 8b 0d 38 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 59 c1 20 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 ee fb ff ff 48 89 04 24
RSP: 002b:00007ffe877cffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007efe5e9f7270
RDX: 00007ffe877cffe0 RSI: 0000000080685600 RDI: 0000000000000003
RBP: 00007efe5f027698 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000013
R13: 00007ffe877d0140 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..