WARNING: CPU: 1 PID: 7851 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 ... kobject: 'bluetooth' (00000000313dbcbf): kobject_add_internal: parent: 'virtual', set: '(null)' CPU: 1 PID: 7851 Comm: syz-executor198 Not tainted 5.0.0+ #14 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/0x65c kernel/panic.c:214 kobject: 'hci1' (00000000643a3a06): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'hci1' (00000000643a3a06): kobject_uevent_env __warn.cold+0x20/0x45 kernel/panic.c:571 kobject: 'hci0' (00000000a3b77314): kobject_add_internal: parent: 'bluetooth', set: 'devices' 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 kobject: 'hci0' (00000000a3b77314): kobject_uevent_env invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 kobject: 'hci1' (00000000643a3a06): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' RIP: 0010:kernfs_get.part.0+0x73/0x90 fs/kernfs/dir.c:494 Code: e6 e8 21 75 9b ff 45 85 e4 74 1a e8 97 73 9b ff be 04 00 00 00 48 89 df e8 da 46 d3 ff f0 ff 03 5b 41 5c 5d c3 e8 7d 73 9b ff <0f> 0b eb dd 48 89 df e8 d1 6c d3 ff eb c1 0f 1f 44 00 00 66 2e 0f RSP: 0018:ffff8880a3c7f808 EFLAGS: 00010293 RAX: ffff88808c482140 RBX: ffff888096d2be00 RCX: ffffffff81d4e25f RDX: 0000000000000000 RSI: ffffffff81d4e283 RDI: 0000000000000005 RBP: ffff8880a3c7f818 R08: ffff88808c482140 R09: ffffed1012da57c1 R10: ffffed1012da57c0 R11: ffff888096d2be03 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 kobject: 'hci0' (00000000a3b77314): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' kernfs_get fs/kernfs/dir.c:493 [inline] kernfs_new_node+0xb8/0x130 fs/kernfs/dir.c:698 kernfs_create_dir_ns+0x52/0x160 fs/kernfs/dir.c:1021 sysfs_create_dir_ns+0x131/0x2a0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:88 [inline] kobject_add_internal lib/kobject.c:247 [inline] kobject_add_internal.cold+0xe5/0x5d4 lib/kobject.c:217 kobject: 'rfkill235' (00000000dea3d0e6): kobject_add_internal: parent: 'hci0', set: 'devices' kobject_add_varg lib/kobject.c:382 [inline] kobject_add+0x150/0x1c0 lib/kobject.c:426 device_add+0x3d5/0x18a0 drivers/base/core.c:2057 kobject: 'rfkill235' (00000000dea3d0e6): kobject_uevent_env hci_register_dev+0x2e8/0x860 net/bluetooth/hci_core.c:3307 __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+0x2d0/0x470 drivers/bluetooth/hci_vhci.c:299 call_write_iter include/linux/fs.h:1860 [inline] new_sync_write+0x4c7/0x760 fs/read_write.c:474 kobject: 'rfkill235' (00000000dea3d0e6): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill235' __vfs_write+0xe4/0x110 fs/read_write.c:487 kobject: 'rfkill236' (000000003ccbd67f): kobject_add_internal: parent: 'hci1', set: 'devices' vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 kobject: 'rfkill236' (000000003ccbd67f): kobject_uevent_env do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4476a9 Code: e8 dc e6 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 7b 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f229f6cece8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000006ddc28 RCX: 00000000004476a9 RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00000000006ddc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c kobject: 'rfkill236' (000000003ccbd67f): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill236' R13: 00007fff0a7c834f R14: 00007f229f6cf9c0 R15: 20c49ba5e353f7cf Kernel Offset: disabled Rebooting in 86400 seconds..