Warning: Permanently added '10.128.1.202' (ED25519) to the list of known hosts. [ 67.552428][ T5803] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.562009][ T5804] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 67.570029][ T5803] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 67.577754][ T5806] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.577919][ T5809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.592447][ T5806] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 67.593486][ T5809] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 67.600812][ T5806] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 67.610406][ T5809] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.613410][ T5803] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.621526][ T5809] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.628660][ T5806] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 67.635191][ T5809] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 67.642068][ T5803] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 67.649604][ T5809] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.655475][ T5803] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 67.663838][ T5809] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.676808][ T5809] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 67.684151][ T5809] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.691669][ T5809] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.699900][ T5809] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.702093][ T5795] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.709230][ T5809] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 67.722432][ T5809] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 172.954243][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 172.961340][ C0] rcu: (detected by 0, t=10502 jiffies, g=6753, q=42 ncpus=2) [ 172.968888][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954399-4294943897), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 172.982267][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6753 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.993382][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 173.003455][ C0] rcu: RCU grace-period kthread stack dump: [ 173.009362][ C0] task:rcu_preempt state:R running task stack:26728 pid:17 ppid:2 flags:0x00004000 [ 173.020177][ C0] Call Trace: [ 173.023461][ C0] [ 173.026411][ C0] __schedule+0x14d2/0x44d0 [ 173.030968][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 173.036878][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 173.042096][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 173.048003][ C0] ? asan.module_dtor+0x20/0x20 [ 173.052869][ C0] ? enqueue_timer+0x225/0x530 [ 173.057642][ C0] ? __mod_timer+0x984/0xdb0 [ 173.062257][ C0] schedule+0xbd/0x170 [ 173.066340][ C0] schedule_timeout+0x160/0x280 [ 173.071206][ C0] ? console_conditional_schedule+0x40/0x40 [ 173.077112][ C0] ? update_process_times+0x1b0/0x1b0 [ 173.082503][ C0] ? prepare_to_swait_event+0x339/0x360 [ 173.088067][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 173.092927][ C0] ? rcu_gp_init+0x110e/0x1510 [ 173.097712][ C0] ? rcu_gp_kthread+0x380/0x380 [ 173.102576][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 173.108566][ C0] ? rcu_gp_init+0x1510/0x1510 [ 173.113337][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 173.118197][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 173.123406][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 173.128634][ C0] rcu_gp_kthread+0x99/0x380 [ 173.133259][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 173.138394][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 173.143357][ C0] ? __kthread_parkme+0x162/0x1c0 [ 173.148400][ C0] kthread+0x2fa/0x390 [ 173.152480][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 173.157613][ C0] ? kthread_blkcg+0xd0/0xd0 [ 173.162213][ C0] ret_from_fork+0x48/0x80 [ 173.166640][ C0] ? kthread_blkcg+0xd0/0xd0 [ 173.171240][ C0] ret_from_fork_asm+0x11/0x20 [ 173.176028][ C0] [ 173.179061][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 173.185398][ C0] CPU: 0 PID: 5814 Comm: syz-executor123 Not tainted 6.6.101-syzkaller #0 [ 173.193902][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 173.203964][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 173.209793][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 9a c8 f0 f6 48 89 df e8 b2 9a f1 f6 e8 4d 37 15 f7 fb bf 01 00 00 00 92 b2 e4 f6 65 8b 05 93 f8 8c 75 85 c0 74 02 5b c3 e8 70 da 89 [ 173.229423][ C0] RSP: 0018:ffffc900046bfc98 EFLAGS: 00000282 [ 173.235500][ C0] RAX: 5d214ee1e27a9d00 RBX: ffff88801e264a00 RCX: 5d214ee1e27a9d00 [ 173.243475][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: 0000000000000001 [ 173.251454][ C0] RBP: ffff88801e264e98 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d [ 173.259432][ C0] R10: dffffc0000000000 R11: fffffbfff1c9509e R12: 1ffff11003c4c9d3 [ 173.267411][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 173.275385][ C0] FS: 00005555791713c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 173.284322][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.290911][ C0] CR2: 000020000006b000 CR3: 00000000288e8000 CR4: 00000000003506f0 [ 173.298887][ C0] Call Trace: [ 173.302175][ C0] [ 173.305116][ C0] get_signal+0x11f5/0x1400 [ 173.309654][ C0] arch_do_signal_or_restart+0x96/0x780 [ 173.315228][ C0] ? get_sigframe_size+0x20/0x20 [ 173.320204][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 173.325701][ C0] exit_to_user_mode_loop+0x70/0x110 [ 173.331002][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 173.336561][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 173.342034][ C0] do_syscall_64+0x61/0xb0 [ 173.346462][ C0] ? clear_bhb_loop+0x40/0x90 [ 173.351147][ C0] ? clear_bhb_loop+0x40/0x90 [ 173.355834][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.361742][ C0] RIP: 0033:0x7ff6c301e899 [ 173.366179][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 173.385794][ C0] RSP: 002b:00007ffee3d2aaf8 EFLAGS: 00000246 [ 173.391868][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ff6c301e899 [ 173.399844][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 173.407820][ C0] RBP: 0000000000000000 R08: 00007ff6c2fde990 R09: 00007ff6c2fde990 [ 173.415799][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff6c307c33c [ 173.423774][ C0] R13: 00007ff6c3076106 R14: 00007ffee3d2ab30 R15: 0000000000000000 [ 173.431766][ C0]