------------[ cut here ]------------
notifier callback hci_suspend_notifier already registered
WARNING: CPU: 0 PID: 7088 at kernel/notifier.c:28 notifier_chain_register kernel/notifier.c:28 [inline]
WARNING: CPU: 0 PID: 7088 at kernel/notifier.c:28 notifier_chain_register+0x156/0x210 kernel/notifier.c:22
Modules linked in:
CPU: 1 PID: 7088 Comm: syz-executor161 Not tainted 6.0.0-rc1-syzkaller-00245-g0cf731f9ebb5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:notifier_chain_register kernel/notifier.c:28 [inline]
RIP: 0010:notifier_chain_register+0x156/0x210 kernel/notifier.c:22
Code: 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 00 00 00 49 8b 75 00 48 c7 c7 40 f1 eb 89 e8 67 5f e9 07 <0f> 0b 41 bc ef ff ff ff e8 0d 2e 2b 00 44 89 e0 48 83 c4 18 5b 5d
RSP: 0018:ffffc900070f7d58 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88801f9dd108 RCX: 0000000000000000
RDX: ffff88807512d880 RSI: ffffffff8161f5a8 RDI: fffff52000e1ef9d
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801f9dd108 R14: ffff888078a59110 R15: dffffc0000000000
FS:  0000555556ac8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c7ae726a8 CR3: 000000001ca2d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __blocking_notifier_chain_register kernel/notifier.c:266 [inline]
 blocking_notifier_chain_register+0x6f/0xc0 kernel/notifier.c:284
 hci_register_suspend_notifier net/bluetooth/hci_core.c:2749 [inline]
 hci_register_suspend_notifier+0x9d/0xc0 net/bluetooth/hci_core.c:2743
 hci_sock_release+0x4a2/0x520 net/bluetooth/hci_sock.c:890
 __sock_release+0xcd/0x280 net/socket.c:650
 sock_close+0x18/0x20 net/socket.c:1365
 __fput+0x277/0x9d0 fs/file_table.c:320
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8c7adde1db
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007fff8c980240 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f8c7adde1db
RDX: ffffffffffffffb8 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000f862
R13: 00007fff8c9802d0 R14: 00007fff8c9802c0 R15: 00007fff8c980278
 </TASK>