kobject: kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci1: failed to register connection device
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BUG: KASAN: wild-memory-access in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: wild-memory-access in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
BUG: KASAN: wild-memory-access in l2cap_chan_lock include/net/bluetooth/l2cap.h:827 [inline]
BUG: KASAN: wild-memory-access in l2cap_conn_ready net/bluetooth/l2cap_core.c:1621 [inline]
BUG: KASAN: wild-memory-access in l2cap_connect_cfm+0x5c1/0xf10 net/bluetooth/l2cap_core.c:7280
Read of size 4 at addr deacfffffffffc8c by task kworker/u33:5/5949

CPU: 1 UID: 0 PID: 5949 Comm: kworker/u33:5 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: hci1 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 kasan_report+0xd9/0x110 mm/kasan/report.c:602
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0xef/0x1a0 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
 l2cap_chan_lock include/net/bluetooth/l2cap.h:827 [inline]
 l2cap_conn_ready net/bluetooth/l2cap_core.c:1621 [inline]
 l2cap_connect_cfm+0x5c1/0xf10 net/bluetooth/l2cap_core.c:7280
 hci_connect_cfm include/net/bluetooth/hci_core.h:2057 [inline]
 le_conn_complete_evt+0x1623/0x1d10 net/bluetooth/hci_event.c:5763
 hci_le_conn_complete_evt+0x23c/0x370 net/bluetooth/hci_event.c:5789
 hci_le_meta_evt+0x2e2/0x5d0 net/bluetooth/hci_event.c:7162
 hci_event_func net/bluetooth/hci_event.c:7470 [inline]
 hci_event_packet+0x666/0x1190 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x2c5/0x16b0 net/bluetooth/hci_core.c:4035
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
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