------------[ cut here ]------------
ida_free called for id=8192 which is not allocated.
WARNING: CPU: 1 PID: 6292 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525
Modules linked in:
CPU: 1 PID: 6292 Comm: syz-executor Not tainted 6.10.0-rc6-syzkaller-g8e2f4becf4fa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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 : ffff80009a477780
x29: ffff80009a477830 x28: 1ffff00012423c94 x27: 1ffff0001348eef4
x26: dfff800000000000 x25: ffff70001348eef0 x24: ffff0000ce090008
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000002000 x19: ffff80009a4777a0 x18: 1fffe000367ae5de
x17: ffff80008f1ad000 x16: ffff800080338a18 x15: 0000000000000001
x14: 1fffe000367b1200 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0a48cb90c9b21500
x8 : 0a48cb90c9b21500 x7 : ffff8000802af1b8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80008b1f0460 x0 : ffff800124c7c000
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_unregister_dev+0x1d8/0x49c net/bluetooth/hci_core.c:2760
 vhci_release+0x7c/0xd0 drivers/bluetooth/hci_vhci.c:666
 __fput+0x334/0x760 fs/file_table.c:422
 ____fput+0x20/0x30 fs/file_table.c:450
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x4e4/0x1ac8 kernel/exit.c:874
 do_group_exit+0x194/0x22c kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1032
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 430172
hardirqs last  enabled at (430171): [<ffff8000802af258>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline]
hardirqs last  enabled at (430171): [<ffff8000802af258>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162
hardirqs last disabled at (430172): [<ffff80008b06e498>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (428146): [<ffff8000808ac080>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (428146): [<ffff8000808ac080>] bdi_remove_from_list mm/backing-dev.c:1147 [inline]
softirqs last  enabled at (428146): [<ffff8000808ac080>] bdi_unregister+0x154/0x4f8 mm/backing-dev.c:1157
softirqs last disabled at (428144): [<ffff8000808abfbc>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (428144): [<ffff8000808abfbc>] bdi_remove_from_list mm/backing-dev.c:1144 [inline]
softirqs last disabled at (428144): [<ffff8000808abfbc>] bdi_unregister+0x90/0x4f8 mm/backing-dev.c:1157
---[ end trace 0000000000000000 ]---
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.