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BUG: KASAN: vmalloc-out-of-bounds in notifier_chain_unregister kernel/notifier.c:46 [inline]
BUG: KASAN: vmalloc-out-of-bounds in blocking_notifier_chain_unregister+0x9d/0x210 kernel/notifier.c:329
Read of size 8 at addr ffffc90004febbe8 by task syz-executor.1/26056

CPU: 0 PID: 26056 Comm: syz-executor.1 Not tainted 6.0.0-rc1-syzkaller-00066-g3b06a2755758 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description+0x65/0x4b0 mm/kasan/report.c:317
 print_report+0x108/0x220 mm/kasan/report.c:433
 kasan_report+0xfb/0x130 mm/kasan/report.c:495
 notifier_chain_unregister kernel/notifier.c:46 [inline]
 blocking_notifier_chain_unregister+0x9d/0x210 kernel/notifier.c:329
 hci_unregister_suspend_notifier net/bluetooth/hci_core.c:2760 [inline]
 hci_unregister_dev+0x189/0x460 net/bluetooth/hci_core.c:2678
 vhci_release+0x7f/0xd0 drivers/bluetooth/hci_vhci.c:568
 __fput+0x3b9/0x820 fs/file_table.c:320
 task_work_run+0x146/0x1c0 kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x55e/0x20a0 kernel/exit.c:795
 do_group_exit+0x23b/0x2f0 kernel/exit.c:925
 get_signal+0x172f/0x1780 kernel/signal.c:2857
 arch_do_signal_or_restart+0x8d/0x750 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x74/0x160 kernel/entry/common.c:166
 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff00c489279
Code: Unable to access opcode bytes at RIP 0x7ff00c48924f.
RSP: 002b:00007ff00d5f5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffff4 RBX: 00007ff00c59bf80 RCX: 00007ff00c489279
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007ff00c4e3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe7ac4e4f R14: 00007ff00d5f5300 R15: 0000000000022000
 </TASK>

Memory state around the buggy address:
 ffffc90004feba80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90004febb00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90004febb80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                                                          ^
 ffffc90004febc00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90004febc80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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