------------[ cut here ]------------ notifier callback hci_suspend_notifier already registered WARNING: CPU: 1 PID: 6038 at kernel/notifier.c:28 notifier_chain_register kernel/notifier.c:28 [inline] WARNING: CPU: 1 PID: 6038 at kernel/notifier.c:28 notifier_chain_register+0x156/0x210 kernel/notifier.c:22 Modules linked in: CPU: 1 PID: 6038 Comm: syz-executor.3 Not tainted 6.0.0-rc6-syzkaller-01359-g9258b8b1be2e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 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 c0 f2 eb 89 e8 ac f0 eb 07 <0f> 0b 41 bc ef ff ff ff e8 ad 2a 2b 00 44 89 e0 48 83 c4 18 5b 5d RSP: 0018:ffffc9000310f9c0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807d6dd108 RCX: 0000000000000000 RDX: ffff8880614c5880 RSI: ffffffff8161f3d8 RDI: fffff52000621f2a RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807d6dd108 R14: ffff8880473f5110 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16ab97d1b8 CR3: 0000000021170000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xad5/0x29b0 kernel/exit.c:795 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 get_signal+0x238c/0x2610 kernel/signal.c:2857 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/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: 0033:0x7f7f492af391 Code: Unable to access opcode bytes at RIP 0x7f7f492af367. RSP: 002b:00007ffd42566050 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: 0000000000000000 RBX: 00007f7f493abf80 RCX: 00007f7f492af391 RDX: 00007ffd42566090 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f7f493ad980 R08: 0000000000000000 R09: 00007ffd42570080 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001b47ba R13: 00007f7f493b08b0 R14: 00007f7f493ac2c0 R15: 0000000000000004