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WARNING: CPU: 1 PID: 8709 at fs/kernfs/dir.c:494 kernfs_get.part.0.cold+0x11/0x18 fs/kernfs/dir.c:494
kobject: 'rfkill459' (00000000c3c857d6): kobject_uevent_env
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8709 Comm: syz-executor328 Not tainted 4.19.63 #37
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x507 kernel/panic.c:185
kobject: 'hci6' (00000000a22a699b): kobject_add_internal: parent: 'bluetooth', set: 'devices'
 __warn.cold+0x20/0x4a kernel/panic.c:540
 report_bug+0x263/0x2b0 lib/bug.c:186
kobject: 'rfkill459' (00000000c3c857d6): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill459'
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296
kobject: 'rfkill460' (0000000046888060): kobject_add_internal: parent: 'hci3', set: 'devices'
kobject: 'rfkill460' (0000000046888060): kobject_uevent_env
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1035
RIP: 0010:kernfs_get.part.0.cold+0x11/0x18 fs/kernfs/dir.c:494
Code: ff e8 ec be 9d ff 48 c7 c7 40 2c 58 87 e8 14 30 88 ff 0f 0b e9 f5 a7 ff ff e8 d4 be 9d ff 48 c7 c7 40 2c 58 87 e8 fc 2f 88 ff <0f> 0b e9 19 ac ff ff e8 bc be 9d ff 48 c7 c7 40 2c 58 87 e8 e4 2f
RSP: 0018:ffff88809623f838 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff8880971ce380 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8155d556 RDI: ffffed1012c47ef9
kobject: 'rfkill459' (00000000c3c857d6): kobject_uevent_env
RBP: ffff88809623f848 R08: 0000000000000024 R09: ffffed1015d23ee3
R10: ffffed1015d23ee2 R11: ffff8880ae91f717 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
kobject: 'rfkill459' (00000000c3c857d6): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill459'
 kernfs_get fs/kernfs/dir.c:493 [inline]
 kernfs_new_node+0xb8/0x130 fs/kernfs/dir.c:697
 kernfs_create_dir_ns+0x52/0x160 fs/kernfs/dir.c:1020
 sysfs_create_dir_ns+0x131/0x290 fs/sysfs/dir.c:58
kobject: 'hci6' (00000000a22a699b): kobject_uevent_env
 create_dir lib/kobject.c:88 [inline]
 kobject_add_internal lib/kobject.c:247 [inline]
 kobject_add_internal.cold+0xe5/0x5d1 lib/kobject.c:217
 kobject_add_varg lib/kobject.c:382 [inline]
 kobject_add+0x150/0x1c0 lib/kobject.c:426
 device_add+0x3cc/0x1760 drivers/base/core.c:1885
kobject: 'rfkill460' (0000000046888060): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill460'
 hci_register_dev+0x304/0x880 net/bluetooth/hci_core.c:3198
 __vhci_create_device+0x2d0/0x5a0 drivers/bluetooth/hci_vhci.c:139
 vhci_create_device drivers/bluetooth/hci_vhci.c:163 [inline]
 vhci_get_user drivers/bluetooth/hci_vhci.c:219 [inline]
 vhci_write+0x2d6/0x470 drivers/bluetooth/hci_vhci.c:299
 call_write_iter include/linux/fs.h:1820 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x587/0x810 fs/read_write.c:487
kobject: 'hci6' (00000000a22a699b): fill_kobj_path: path = '/devices/virtual/bluetooth/hci6'
 vfs_write+0x20c/0x560 fs/read_write.c:549
 ksys_write+0x14f/0x2d0 fs/read_write.c:599
kobject: 'rfkill459' (00000000c3c857d6): kobject_cleanup, parent           (null)
 __do_sys_write fs/read_write.c:611 [inline]
 __se_sys_write fs/read_write.c:608 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:608
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'rfkill459' (00000000c3c857d6): calling ktype release
RIP: 0033:0x4473e9
Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f4bf75eadb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000006e29f8 RCX: 00000000004473e9
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000006e29f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e29fc
R13: 00007ffc369fe79f R14: 00007f4bf75eb9c0 R15: 0000000000000064
Kernel Offset: disabled
Rebooting in 86400 seconds..