Bluetooth: hci0: Injecting HCI hardware error event Bluetooth: hci0: hardware error 0x00 ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 63 at lib/idr.c:525 ida_free+0x1fb/0x2f0 lib/idr.c:525 Modules linked in: CPU: 1 PID: 63 Comm: kworker/u17:0 Not tainted 6.8.0-rc6-syzkaller-g45ec2f5f6ed3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: hci0 hci_error_reset RIP: 0010:ida_free+0x1fb/0x2f0 lib/idr.c:525 Code: dc f6 41 83 fe 3e 76 73 e8 d2 15 dc f6 48 8b 7c 24 28 4c 89 ee e8 25 92 18 00 90 48 c7 c7 40 85 5b 8c 89 ee e8 66 3a a0 f6 90 <0f> 0b 90 90 e8 ac 15 dc f6 48 b8 00 00 00 00 00 fc ff df 48 01 c3 RSP: 0018:ffffc90000d07a78 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff920001a0f50 RCX: ffffffff814f74b9 RDX: ffff88801ae30000 RSI: ffffffff814f74c6 RDI: 0000000000000001 RBP: 0000000000002000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000293 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000573000 CR3: 0000000026082000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_error_reset+0xa9/0x1a0 net/bluetooth/hci_core.c:1059 process_one_work+0x889/0x15e0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x12a0 kernel/workqueue.c:2787 kthread+0x2c6/0x3b0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243