WARNING: CPU: 1 PID: 17473 at fs/kernfs/dir.c:493 kernfs_get.part.0+0x73/0x90 fs/kernfs/dir.c:493
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 17473 Comm: syz-executor.0 Not tainted 5.2.0-rc4+ #26
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+0x2cb/0x744 kernel/panic.c:219
 __warn.cold+0x20/0x4d kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:kernfs_get.part.0+0x73/0x90 fs/kernfs/dir.c:493
Code: e6 e8 21 a6 99 ff 45 85 e4 74 1a e8 97 a4 99 ff be 04 00 00 00 48 89 df e8 0a 23 d2 ff f0 ff 03 5b 41 5c 5d c3 e8 7d a4 99 ff <0f> 0b eb dd 48 89 df e8 e1 48 d2 ff eb c1 0f 1f 44 00 00 66 2e 0f
RSP: 0018:ffff888093e67940 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff88809efacc40 RCX: ffffc90005e2b000
RDX: 0000000000002a8d RSI: ffffffff81d70cc3 RDI: 0000000000000005
RBP: ffff888093e67950 R08: ffff88806340a580 R09: ffffed1013df5989
R10: ffffed1013df5988 R11: ffff88809efacc43 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880598261b0 R15: 0000000000000000
 kernfs_get+0x20/0x30 fs/kernfs/dir.c:492
 sysfs_get include/linux/sysfs.h:541 [inline]
 create_dir lib/kobject.c:111 [inline]
 kobject_add_internal lib/kobject.c:255 [inline]
 kobject_add_internal.cold+0x377/0x662 lib/kobject.c:225
 kobject_add_varg lib/kobject.c:390 [inline]
 kobject_add+0x150/0x1c0 lib/kobject.c:442
 device_add+0x3b7/0x17a0 drivers/base/core.c:2062
 hci_register_dev+0x2e8/0x860 net/bluetooth/hci_core.c:3305
 __vhci_create_device+0x2d0/0x5a0 drivers/bluetooth/hci_vhci.c:124
 vhci_create_device drivers/bluetooth/hci_vhci.c:148 [inline]
 vhci_get_user drivers/bluetooth/hci_vhci.c:204 [inline]
 vhci_write+0x2d0/0x470 drivers/bluetooth/hci_vhci.c:284
 call_write_iter include/linux/fs.h:1872 [inline]
 new_sync_write+0x4d3/0x770 fs/read_write.c:483
 __vfs_write+0xe1/0x110 fs/read_write.c:496
 vfs_write+0x20c/0x580 fs/read_write.c:558
 ksys_write+0x14f/0x290 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+0x73/0xb0 fs/read_write.c:620
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4592c9
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:00007f539fd4dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f539fd4e6d4
R13: 00000000004c9394 R14: 00000000004e03e8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..