WARNING: CPU: 0 PID: 23011 at fs/kernfs/dir.c:493 kernfs_get fs/kernfs/dir.c:493 [inline]
WARNING: CPU: 0 PID: 23011 at fs/kernfs/dir.c:493 kernfs_new_node fs/kernfs/dir.c:700 [inline]
WARNING: CPU: 0 PID: 23011 at fs/kernfs/dir.c:493 kernfs_create_dir_ns+0x205/0x230 fs/kernfs/dir.c:1022
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 23011 Comm: syz-executor.0 Not tainted 5.2.0-rc6+ #11
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+0x1d8/0x2f8 lib/dump_stack.c:113
 panic+0x28a/0x7c9 kernel/panic.c:219
 __warn+0x216/0x220 kernel/panic.c:576
 report_bug+0x190/0x290 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0xd7/0x450 arch/x86/kernel/traps.c:272
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:kernfs_get fs/kernfs/dir.c:493 [inline]
RIP: 0010:kernfs_new_node fs/kernfs/dir.c:700 [inline]
RIP: 0010:kernfs_create_dir_ns+0x205/0x230 fs/kernfs/dir.c:1022
Code: ff 4c 89 ff e8 7c cd ff ff 4c 63 fb eb 05 e8 22 27 9a ff 4c 89 f8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 0b 27 9a ff <0f> 0b e9 e9 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff
RSP: 0018:ffff88805d14f730 EFLAGS: 00010287
RAX: ffffffff81db8a95 RBX: ffff88809953a000 RCX: 0000000000040000
RDX: ffffc90005dd9000 RSI: 0000000000006380 RDI: 0000000000006381
RBP: ffff88805d14f768 R08: ffffffff81db8977 R09: ffffed10132a7401
R10: ffffed10132a7401 R11: 1ffff110132a7400 R12: ffff888055be9300
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88809953a620
 sysfs_create_dir_ns+0x161/0x300 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:89 [inline]
 kobject_add_internal+0x459/0xd50 lib/kobject.c:255
 kobject_add_varg lib/kobject.c:390 [inline]
 kobject_add+0x138/0x200 lib/kobject.c:442
 device_add+0x508/0x1570 drivers/base/core.c:2062
 hci_register_dev+0x331/0x6c0 net/bluetooth/hci_core.c:3305
 __vhci_create_device drivers/bluetooth/hci_vhci.c:124 [inline]
 vhci_create_device+0x2d1/0x510 drivers/bluetooth/hci_vhci.c:148
 vhci_get_user drivers/bluetooth/hci_vhci.c:204 [inline]
 vhci_write+0x3ac/0x440 drivers/bluetooth/hci_vhci.c:284
 call_write_iter include/linux/fs.h:1872 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x617/0x7d0 fs/read_write.c:496
 vfs_write+0x227/0x510 fs/read_write.c:558
 ksys_write+0x16b/0x2a0 fs/read_write.c:611
 __do_sys_write fs/read_write.c:623 [inline]
 __se_sys_write fs/read_write.c:620 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:620
 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459519
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9c7e338c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c7e3396d4
R13: 00000000004c95ff R14: 00000000004e0958 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..