WARNING: CPU: 1 PID: 8816 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 fs/kernfs/dir.c:494
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 8816 Comm: syz-executor.2 Not tainted 5.2.0-rc2+ #16
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:494
Code: e6 e8 01 b8 99 ff 45 85 e4 74 1a e8 77 b6 99 ff be 04 00 00 00 48 89 df e8 aa 29 d2 ff f0 ff 03 5b 41 5c 5d c3 e8 5d b6 99 ff <0f> 0b eb dd 48 89 df e8 81 4f d2 ff eb c1 0f 1f 44 00 00 66 2e 0f
RSP: 0018:ffff888087b07270 EFLAGS: 00010293
RAX: ffff888095e504c0 RBX: ffff8880952a5380 RCX: ffffffff81d6ee1f
RDX: 0000000000000000 RSI: ffffffff81d6ee43 RDI: 0000000000000005
RBP: ffff888087b07280 R08: ffff888095e504c0 R09: ffffed1012a54a71
R10: ffffed1012a54a70 R11: ffff8880952a5383 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88821bb022a0
 kernfs_get fs/kernfs/dir.c:493 [inline]
 kernfs_new_node+0xb6/0x120 fs/kernfs/dir.c:701
 kernfs_create_dir_ns+0x52/0x160 fs/kernfs/dir.c:1023
 sysfs_create_dir_ns+0x131/0x2a0 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:89 [inline]
 kobject_add_internal lib/kobject.c:255 [inline]
 kobject_add_internal.cold+0x116/0x662 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
 __kernel_write+0x110/0x3b0 fs/read_write.c:515
 write_pipe_buf+0x15d/0x1f0 fs/splice.c:794
 splice_from_pipe_feed fs/splice.c:500 [inline]
 __splice_from_pipe+0x38c/0x7d0 fs/splice.c:624
 splice_from_pipe+0x108/0x170 fs/splice.c:659
 default_file_splice_write+0x3c/0x90 fs/splice.c:806
 do_splice_from fs/splice.c:848 [inline]
 direct_splice_actor+0x123/0x190 fs/splice.c:1020
 splice_direct_to_actor+0x366/0x970 fs/splice.c:975
 do_splice_direct+0x1da/0x2a0 fs/splice.c:1063
 do_sendfile+0x597/0xd00 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1511
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
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:00007f5e73c0ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459279
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007f5e73c0b6d4
R13: 00000000004c65f3 R14: 00000000004db268 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..