------------[ cut here ]------------
ida_free called for id=8192 which is not allocated.
WARNING: CPU: 0 PID: 15062 at lib/idr.c:525 ida_free+0x1fb/0x2f0 lib/idr.c:525
Modules linked in:
CPU: 0 PID: 15062 Comm: syz-executor.4 Not tainted 6.8.0-rc4-syzkaller-00014-g7e90b5c295ec #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:ida_free+0x1fb/0x2f0 lib/idr.c:525
Code: dc f6 41 83 fe 3e 76 73 e8 82 95 dc f6 48 8b 7c 24 28 4c 89 ee e8 55 8f 18 00 90 48 c7 c7 00 7c 5b 8c 89 ee e8 46 ba a0 f6 90 <0f> 0b 90 90 e8 5c 95 dc f6 48 b8 00 00 00 00 00 fc ff df 48 01 c3
RSP: 0018:ffffc90000bc7868 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 1ffff92000178f0e RCX: ffffffff814f7499
RDX: ffff888077151dc0 RSI: ffffffff814f74a6 RDI: 0000000000000001
RBP: 0000000000002000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000293 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005565619cd3c0 CR3: 000000007a150000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hci_conn_cleanup net/bluetooth/hci_conn.c:157 [inline]
 hci_conn_del+0x795/0xe20 net/bluetooth/hci_conn.c:1188
 hci_conn_hash_flush+0x18f/0x260 net/bluetooth/hci_conn.c:2646
 hci_dev_close_sync+0x59b/0x1160 net/bluetooth/hci_sync.c:4954
 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:554
 hci_unregister_dev+0x1eb/0x600 net/bluetooth/hci_core.c:2739
 vhci_release+0x7f/0x100 drivers/bluetooth/hci_vhci.c:674
 __fput+0x270/0xb80 fs/file_table.c:376
 task_work_run+0x14f/0x250 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa8a/0x2ad0 kernel/exit.c:871
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1020
 get_signal+0x23b9/0x2790 kernel/signal.c:2893
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0x145/0x290 kernel/entry/common.c:225
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fde1142bc44
Code: Unable to access opcode bytes at 0x7fde1142bc1a.
RSP: 002b:00007fde121cd080 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fde115ac120 RCX: 00007fde1147dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fde114ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fde115ac120 R15: 00007ffff516dd48
 </TASK>