------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 0 PID: 6390 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 0 PID: 6390 Comm: kworker/u9:7 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: hci4 hci_error_reset pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff800099807880 x29: ffff800099807930 x28: 1ffff000124706cc x27: 1ffff00013300f14 x26: dfff800000000000 x25: ffff700013300f10 x24: ffff0000c6ab4008 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff8000998078a0 x18: 1fffe000367a01de x17: ffff80008f3bd000 x16: ffff80008033878c x15: 0000000000000001 x14: 1fffe000367a2e00 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 618ca4ecdf9cdf00 x8 : 618ca4ecdf9cdf00 x7 : ffff8000802aebf8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b3800a0 x0 : ffff8001249f9000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_cleanup net/bluetooth/hci_conn.c:156 [inline] hci_conn_del+0x5c4/0xaa0 net/bluetooth/hci_conn.c:1154 hci_conn_hash_flush+0x184/0x220 net/bluetooth/hci_conn.c:2585 hci_dev_close_sync+0x76c/0xec0 net/bluetooth/hci_sync.c:5062 hci_dev_do_close net/bluetooth/hci_core.c:556 [inline] hci_error_reset+0x108/0x35c net/bluetooth/hci_core.c:1087 process_one_work+0x7b0/0x15e8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3393 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 5896 hardirqs last enabled at (5895): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (5895): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (5896): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (4898): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (4898): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (4871): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- Bluetooth: hci4: Opcode 0x0c03 failed: -110 Bluetooth: hci4: Opcode 0x206c failed: -110 Bluetooth: hci4: Opcode 0x2046 failed: -110