Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. [ 78.637801][ T4300] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 78.646124][ T4300] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 78.647133][ T4301] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 78.654694][ T4300] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.661313][ T4301] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 78.669047][ T4300] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 78.675992][ T4301] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 78.683288][ T4300] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 78.690368][ T4301] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.704090][ T4301] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 78.704182][ T4300] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 78.711572][ T4301] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 78.718337][ T4300] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.725252][ T4301] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.732677][ T4300] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 78.740097][ T4301] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.747429][ T4300] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 78.753848][ T4301] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.760380][ T4300] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 78.767444][ T4301] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.778895][ T4300] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 78.785852][ T4301] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.800787][ T4300] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 78.801010][ T4301] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 78.809405][ T4300] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 78.815409][ T4298] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 78.822704][ T4300] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 78.835899][ T4301] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 78.843048][ T4298] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 78.843608][ T4300] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program [ 184.106786][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 184.113852][ C1] (detected by 1, t=10502 jiffies, g=7833, q=72 ncpus=2) [ 184.120986][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294955509-4294945009), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 184.134383][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g7833 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 184.145520][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 184.155516][ C1] rcu: RCU grace-period kthread stack dump: [ 184.161444][ C1] task:rcu_preempt state:R running task stack:28112 pid:16 ppid:2 flags:0x00004000 [ 184.172264][ C1] Call Trace: [ 184.175564][ C1] [ 184.178546][ C1] __schedule+0x107f/0x4030 [ 184.183111][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 184.188350][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 184.194272][ C1] ? _raw_spin_unlock+0x40/0x40 [ 184.199158][ C1] ? __sched_text_start+0x8/0x8 [ 184.204048][ C1] schedule+0xb9/0x180 [ 184.208175][ C1] schedule_timeout+0x184/0x2d0 [ 184.213056][ C1] ? console_conditional_schedule+0x40/0x40 [ 184.219063][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 184.224983][ C1] ? update_process_times+0x1b0/0x1b0 [ 184.230390][ C1] ? prepare_to_swait_event+0x340/0x360 [ 184.236066][ C1] rcu_gp_fqs_loop+0x303/0x1350 [ 184.240954][ C1] ? dump_blkd_tasks+0x820/0x820 [ 184.245941][ C1] ? __lock_acquire+0x7bd0/0x7bd0 [ 184.250998][ C1] ? rcu_gp_init+0x14f0/0x14f0 [ 184.255786][ C1] ? rcu_gp_cleanup+0xade/0xc30 [ 184.260666][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 184.265895][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 184.271130][ C1] rcu_gp_kthread+0x99/0x3b0 [ 184.275753][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 184.280894][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 184.286821][ C1] ? __kthread_parkme+0x71/0x1c0 [ 184.291789][ C1] ? __kthread_parkme+0x15b/0x1c0 [ 184.296857][ C1] kthread+0x29d/0x330 [ 184.300948][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 184.306083][ C1] ? kthread_blkcg+0xd0/0xd0 [ 184.310699][ C1] ret_from_fork+0x1f/0x30 [ 184.315188][ C1] [ 184.318227][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 184.324567][ C1] Sending NMI from CPU 1 to CPUs 0: [ 184.329798][ C0] NMI backtrace for cpu 0 [ 184.329807][ C0] CPU: 0 PID: 4304 Comm: syz-executor362 Not tainted syzkaller #0 [ 184.329822][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 184.329829][ C0] RIP: 0010:syscall_exit_to_user_mode_prepare+0x25/0xc0 [ 184.329852][ C0] Code: 0f 0b eb c4 90 55 41 57 41 56 53 50 65 48 8b 05 f1 83 93 7e 48 8b 58 08 48 63 77 78 66 90 48 c7 04 24 00 00 00 00 9c 8f 04 24 04 24 00 02 00 00 74 10 f6 c3 76 75 2a 48 83 c4 08 5b 41 5e 41 [ 184.329863][ C0] RSP: 0018:ffffc900042d7ee0 EFLAGS: 00000292 [ 184.329876][ C0] RAX: ffff88802cfc8000 RBX: 0000000000000000 RCX: 2d184f3a28d9dc00 [ 184.329886][ C0] RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffffc900042d7f58 [ 184.329895][ C0] RBP: ffffc900042d7f48 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed [ 184.329905][ C0] R10: dffffc0000000000 R11: fffffbfff1c401ee R12: 0000000000000000 [ 184.329914][ C0] R13: 0000000000000000 R14: ffffc900042d7f58 R15: 0000000000000027 [ 184.329923][ C0] FS: 000055556f416480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 184.329936][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 184.329946][ C0] CR2: 0000200000000058 CR3: 0000000075eb5000 CR4: 00000000003506f0 [ 184.329960][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 184.329968][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 184.329977][ C0] Call Trace: [ 184.329983][ C0] [ 184.329989][ C0] syscall_exit_to_user_mode+0x9/0x40 [ 184.330015][ C0] do_syscall_64+0x58/0xa0 [ 184.330029][ C0] ? clear_bhb_loop+0x60/0xb0 [ 184.330042][ C0] ? clear_bhb_loop+0x60/0xb0 [ 184.330055][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 184.330074][ C0] RIP: 0033:0x7f5d6fce7137 [ 184.330086][ C0] Code: 0a 08 00 ba 55 00 00 00 48 8d 35 47 d6 07 00 48 8d 3d 57 d6 07 00 e8 e8 da fe ff e8 33 21 00 00 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 66 2e 0f 1f 84 [ 184.330096][ C0] RSP: 002b:00007fff4798b608 EFLAGS: 00000202 ORIG_RAX: 0000000000000027 [ 184.330110][ C0] RAX: 0000000000000003 RBX: 00007fff4798b770 RCX: 00007f5d6fce7137 [ 184.330119][ C0] RDX: 00007fff4798b640 RSI: 00007fff4798b770 RDI: 0000000000000021 [ 184.330128][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 184.330136][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5d6fd660b2 [ 184.330144][ C0] R13: 00007f5d6fd6412a R14: 00007fff4798bc60 R15: 0000000000000000 [ 184.330160][ C0]