Warning: Permanently added '10.128.1.206' (ED25519) to the list of known hosts. [ 62.332369][ T5795] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.344115][ T5795] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 62.352580][ T5797] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.360422][ T5797] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.368488][ T5795] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 62.377410][ T5797] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.385575][ T5797] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 62.387103][ T5799] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 62.393077][ T5797] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 62.400761][ T5795] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.407789][ T5797] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 62.414736][ T5795] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.422328][ T5797] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 62.429114][ T5803] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 62.436483][ T5797] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 62.442748][ T5803] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 62.449542][ T5797] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 62.458088][ T5803] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 62.464709][ T5797] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 62.480976][ T5797] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 62.488904][ T51] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 62.498250][ T5797] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 62.506143][ T5797] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 62.513509][ T51] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 167.735168][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.742282][ C1] rcu: (detected by 1, t=10502 jiffies, g=6673, q=52 ncpus=2) [ 167.749837][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294953864-4294943362), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 167.763219][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6673 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.774335][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 167.784326][ C1] rcu: RCU grace-period kthread stack dump: [ 167.790228][ C1] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000 [ 167.801051][ C1] Call Trace: [ 167.804342][ C1] [ 167.807294][ C1] __schedule+0x14d2/0x44d0 [ 167.811864][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 167.817778][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 167.822993][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 167.828899][ C1] ? asan.module_dtor+0x20/0x20 [ 167.833782][ C1] ? enqueue_timer+0x225/0x530 [ 167.838557][ C1] ? __mod_timer+0x984/0xdb0 [ 167.843187][ C1] schedule+0xbd/0x170 [ 167.847403][ C1] schedule_timeout+0x160/0x280 [ 167.852269][ C1] ? console_conditional_schedule+0x40/0x40 [ 167.858181][ C1] ? update_process_times+0x1b0/0x1b0 [ 167.863580][ C1] ? prepare_to_swait_event+0x339/0x360 [ 167.869149][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 167.874137][ C1] ? rcu_gp_init+0x110e/0x1510 [ 167.878960][ C1] ? rcu_gp_kthread+0x380/0x380 [ 167.883830][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 167.889824][ C1] ? rcu_gp_init+0x1510/0x1510 [ 167.894603][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 167.899480][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 167.904710][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 167.909922][ C1] rcu_gp_kthread+0x99/0x380 [ 167.914626][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 167.919765][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 167.924728][ C1] ? __kthread_parkme+0x162/0x1c0 [ 167.929771][ C1] kthread+0x2fa/0x390 [ 167.933848][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 167.938978][ C1] ? kthread_blkcg+0xd0/0xd0 [ 167.943575][ C1] ret_from_fork+0x48/0x80 [ 167.948002][ C1] ? kthread_blkcg+0xd0/0xd0 [ 167.952606][ C1] ret_from_fork_asm+0x11/0x20 [ 167.957404][ C1] [ 167.960437][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 167.966761][ C1] Sending NMI from CPU 1 to CPUs 0: [ 167.972001][ C0] NMI backtrace for cpu 0 [ 167.972022][ C0] CPU: 0 PID: 5810 Comm: syz-executor400 Not tainted syzkaller #0 [ 167.972038][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 167.972046][ C0] RIP: 0010:signal_setup_done+0x0/0x310 [ 167.972073][ C0] Code: ff 89 da 80 e2 07 80 c2 03 38 ca 0f 8c 17 fd ff ff 48 89 df 89 c5 e8 af d8 88 00 89 e8 e9 06 fd ff ff 0f 1f 84 00 00 00 00 00 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 41 89 d6 49 [ 167.972086][ C0] RSP: 0018:ffffc9000478fd78 EFLAGS: 00000246 [ 167.972099][ C0] RAX: a61ad9a3c87f1e00 RBX: 1ffff920008f1fb4 RCX: a61ad9a3c87f1e00 [ 167.972111][ C0] RDX: 0000000000000000 RSI: ffffc9000478fde0 RDI: 0000000000000000 [ 167.972121][ C0] RBP: ffffc9000478fec0 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5 [ 167.972132][ C0] R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: 0000000000000000 [ 167.972143][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc9000478ffe8 [ 167.972154][ C0] FS: 000055557a53d3c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 167.972167][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.972178][ C0] CR2: 0000200000bbdffc CR3: 0000000024219000 CR4: 00000000003506f0 [ 167.972192][ C0] Call Trace: [ 167.972198][ C0] [ 167.972203][ C0] arch_do_signal_or_restart+0x4a6/0x7b0 [ 167.972228][ C0] ? get_sigframe_size+0x20/0x20 [ 167.972257][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 167.972278][ C0] exit_to_user_mode_loop+0x70/0x110 [ 167.972297][ C0] exit_to_user_mode_prepare+0xf6/0x180 [ 167.972317][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 167.972333][ C0] do_syscall_64+0x61/0xb0 [ 167.972351][ C0] ? clear_bhb_loop+0x40/0x90 [ 167.972369][ C0] ? clear_bhb_loop+0x40/0x90 [ 167.972386][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 167.972402][ C0] RIP: 0033:0x7fa462e75dd0 [ 167.972424][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d da 29 03 00 e8 c5 06 fb ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 [ 167.972436][ C0] RSP: 002b:00007fff7d555eb8 EFLAGS: 00000246 [ 167.972447][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa462e4f8d9 [ 167.972456][ C0] RDX: 00007fff7d555ec0 RSI: 00007fff7d555ff0 RDI: 0000000000000021 [ 167.972467][ C0] RBP: 0000000000000000 R08: 00007fa462e0f990 R09: 00007fa462e0f990 [ 167.972476][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa462ead33c [ 167.972486][ C0] R13: 00007fa462ea7106 R14: 00007fff7d556490 R15: 0000000000000000 [ 167.972503][ C0]