Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. [ 81.373226][ T5800] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.383051][ T5800] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 81.390738][ T5801] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 81.398850][ T5800] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 81.401814][ T5801] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 81.407103][ T5800] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.413295][ T5803] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 81.421586][ T5800] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.428044][ T5801] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 81.435420][ T5800] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.442682][ T5803] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 81.450437][ T5800] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 81.456972][ T5801] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 81.463536][ T5800] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.470398][ T5803] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 81.476904][ T5805] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 81.484006][ T5801] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 81.490481][ T5800] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.498075][ T5801] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 81.505222][ T5805] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 81.511138][ T5803] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 81.521380][ T5805] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 81.529193][ T5803] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 81.533227][ T5805] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program [ 186.970496][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 186.977611][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9/1:b..l [ 186.985523][ C0] rcu: (detected by 0, t=10502 jiffies, g=8477, q=35 ncpus=2) [ 186.993195][ C0] task:kworker/0:1 state:R running task stack:25256 pid:9 ppid:2 flags:0x00004000 [ 187.004396][ C0] Workqueue: events_power_efficient gc_worker [ 187.010549][ C0] Call Trace: [ 187.013855][ C0] [ 187.016825][ C0] __schedule+0x14d2/0x44d0 [ 187.021394][ C0] ? is_dynamic_key+0x260/0x260 [ 187.026290][ C0] ? asan.module_dtor+0x20/0x20 [ 187.031187][ C0] ? mark_lock+0x94/0x320 [ 187.035555][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 187.041581][ C0] ? preempt_schedule_irq+0xaa/0x140 [ 187.046922][ C0] preempt_schedule_irq+0xb5/0x140 [ 187.052085][ C0] ? preempt_schedule_notrace+0x110/0x110 [ 187.057852][ C0] ? lock_chain_count+0x20/0x20 [ 187.062759][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210 [ 187.068619][ C0] irqentry_exit+0x67/0x70 [ 187.073088][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 187.079119][ C0] RIP: 0010:debug_lockdep_rcu_enabled+0xd/0x30 [ 187.085319][ C0] Code: 48 c7 c6 a0 df aa 8a e8 51 d9 e0 f6 0f 0b eb d1 cc cc cc cc cc cc cc cc cc cc cc cc cc f3 0f 1e fa 31 c0 83 3d 9f 4b db 03 00 <74> 1d 83 3d 26 7f db 03 00 74 14 65 48 8b 0d f0 71 94 75 31 c0 83 [ 187.104990][ C0] RSP: 0018:ffffc900000e7a58 EFLAGS: 00000202 [ 187.111102][ C0] RAX: 0000000000000000 RBX: 000000000000cb8b RCX: ffff88801be40000 [ 187.119106][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 187.127115][ C0] RBP: ffffc900000e7bb0 R08: ffffffff90da9597 R09: 1ffffffff21b52b2 [ 187.135119][ C0] R10: dffffc0000000000 R11: fffffbfff21b52b3 R12: ffff88801be40000 [ 187.143124][ C0] R13: dffffc0000000000 R14: ffff888020465c58 R15: 0000000000019717 [ 187.151174][ C0] gc_worker+0xcaa/0x14b0 [ 187.155561][ C0] ? gc_worker+0x269/0x14b0 [ 187.160110][ C0] ? init_conntrack+0xee0/0xee0 [ 187.165007][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 187.170259][ C0] ? process_scheduled_works+0x957/0x15b0 [ 187.176022][ C0] ? process_scheduled_works+0x957/0x15b0 [ 187.181777][ C0] process_scheduled_works+0xa45/0x15b0 [ 187.187402][ C0] ? assign_work+0x400/0x400 [ 187.192048][ C0] ? assign_work+0x39e/0x400 [ 187.196704][ C0] worker_thread+0xa55/0xfc0 [ 187.201364][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 187.207320][ C0] ? _raw_spin_unlock+0x40/0x40 [ 187.212223][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 187.218181][ C0] kthread+0x2fa/0x390 [ 187.222306][ C0] ? pr_cont_work+0x560/0x560 [ 187.227032][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.231682][ C0] ret_from_fork+0x48/0x80 [ 187.236148][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.240774][ C0] ret_from_fork_asm+0x11/0x20 [ 187.245592][ C0] [ 187.248644][ C0] rcu: rcu_preempt kthread starved for 10527 jiffies! g8477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 187.259799][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 187.269801][ C0] rcu: RCU grace-period kthread stack dump: [ 187.275763][ C0] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000 [ 187.286589][ C0] Call Trace: [ 187.289898][ C0] [ 187.292871][ C0] __schedule+0x14d2/0x44d0 [ 187.297439][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 187.303372][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 187.308603][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 187.314558][ C0] ? asan.module_dtor+0x20/0x20 [ 187.319465][ C0] ? enqueue_timer+0x225/0x530 [ 187.324280][ C0] ? __mod_timer+0x984/0xdb0 [ 187.328920][ C0] schedule+0xbd/0x170 [ 187.333025][ C0] schedule_timeout+0x160/0x280 [ 187.337910][ C0] ? console_conditional_schedule+0x40/0x40 [ 187.343852][ C0] ? update_process_times+0x1b0/0x1b0 [ 187.349293][ C0] ? prepare_to_swait_event+0x339/0x360 [ 187.354874][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 187.359769][ C0] ? rcu_gp_init+0x110e/0x1510 [ 187.364584][ C0] ? rcu_gp_kthread+0x380/0x380 [ 187.369585][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 187.375603][ C0] ? rcu_gp_init+0x1510/0x1510 [ 187.380406][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 187.385300][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 187.390535][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 187.395766][ C0] rcu_gp_kthread+0x99/0x380 [ 187.400432][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.405594][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 187.410571][ C0] ? __kthread_parkme+0x162/0x1c0 [ 187.415634][ C0] kthread+0x2fa/0x390 [ 187.419744][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.424935][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.429575][ C0] ret_from_fork+0x48/0x80 [ 187.434041][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.438677][ C0] ret_from_fork_asm+0x11/0x20 [ 187.443516][ C0] [ 187.446585][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 187.453037][ C0] CPU: 0 PID: 5814 Comm: syz-executor310 Not tainted syzkaller #0 [ 187.460877][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 187.471003][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 187.476873][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a a2 ee f6 48 89 df e8 62 74 ef f6 e8 fd 1a 13 f7 fb bf 01 00 00 00 32 96 e2 f6 65 8b 05 23 cd 8a 75 85 c0 74 02 5b c3 e8 00 b3 87 [ 187.496517][ C0] RSP: 0018:ffffc900046dfc78 EFLAGS: 00000286 [ 187.502638][ C0] RAX: 48fdab5eed5a5800 RBX: ffff88802e4c0000 RCX: 48fdab5eed5a5800 [ 187.510636][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001 [ 187.518647][ C0] RBP: ffff88802e4c0498 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5 [ 187.526666][ C0] R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: 1ffff11005c98093 [ 187.534687][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 187.542704][ C0] FS: 000055555d4823c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 187.551768][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.558387][ C0] CR2: 000020000006b000 CR3: 000000007695e000 CR4: 00000000003506f0 [ 187.566409][ C0] Call Trace: [ 187.569723][ C0] [ 187.572675][ C0] get_signal+0x11f5/0x1400 [ 187.577250][ C0] arch_do_signal_or_restart+0x9c/0x7b0 [ 187.582842][ C0] ? get_sigframe_size+0x20/0x20 [ 187.587842][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 187.593348][ C0] exit_to_user_mode_loop+0x70/0x110 [ 187.598684][ C0] exit_to_user_mode_prepare+0xf6/0x180 [ 187.604274][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 187.609763][ C0] do_syscall_64+0x61/0xb0 [ 187.614222][ C0] ? clear_bhb_loop+0x40/0x90 [ 187.619015][ C0] ? clear_bhb_loop+0x40/0x90 [ 187.623733][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 187.629673][ C0] RIP: 0033:0x7f15cae9c899 [ 187.634135][ 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 [ 187.653779][ C0] RSP: 002b:00007ffd7f68a528 EFLAGS: 00000246 [ 187.660005][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f15cae9c899 [ 187.668011][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 187.676013][ C0] RBP: 0000000000000000 R08: 00007f15cae5c990 R09: 00007f15cae5c990 [ 187.684023][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15caefa33c [ 187.692139][ C0] R13: 00007f15caef4106 R14: 00007ffd7f68a560 R15: 0000000000000000 [ 187.700165][ C0]