Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts. [ 133.456205][ T4302] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 133.471953][ T4308] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 133.481435][ T4308] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 133.491265][ T4308] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 133.499980][ T4308] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 133.507525][ T4308] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 133.515690][ T4308] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 133.517401][ T4310] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 133.529086][ T4308] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 133.535355][ T4310] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 133.538002][ T4308] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 133.545211][ T4310] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 133.552585][ T4308] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 133.560054][ T4310] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 133.566304][ T4308] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 133.580674][ T4310] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 133.583371][ T4308] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 133.589723][ T4310] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 133.597516][ T4308] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 133.603136][ T4310] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 133.611268][ T4308] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 133.616249][ T4310] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 133.625099][ T4308] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 133.637886][ T4312] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 133.638467][ T4308] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 133.652798][ T4312] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 133.653856][ T4308] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 133.667118][ T4312] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 133.670328][ T4308] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 133.681974][ T48] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 238.884408][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 238.891526][ C0] (detected by 0, t=10502 jiffies, g=8369, q=26 ncpus=2) [ 238.898714][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294961007-4294950505), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 238.912223][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g8369 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 238.923813][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 238.933912][ C0] rcu: RCU grace-period kthread stack dump: [ 238.939828][ C0] task:rcu_preempt state:R running task stack:26416 pid:16 ppid:2 flags:0x00004000 [ 238.950753][ C0] Call Trace: [ 238.954070][ C0] [ 238.957045][ C0] __schedule+0x11d1/0x40e0 [ 238.961625][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 238.967579][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 238.973519][ C0] ? __sched_text_start+0x8/0x8 [ 238.978421][ C0] ? __mod_timer+0x91e/0xd00 [ 238.983161][ C0] schedule+0xb9/0x180 [ 238.987327][ C0] schedule_timeout+0x184/0x2d0 [ 238.992229][ C0] ? console_conditional_schedule+0x40/0x40 [ 238.998259][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 239.004400][ C0] ? update_process_times+0x1b0/0x1b0 [ 239.009836][ C0] ? prepare_to_swait_event+0x335/0x350 [ 239.015443][ C0] rcu_gp_fqs_loop+0x303/0x1340 [ 239.020363][ C0] ? rcu_gp_kthread+0x3b0/0x3b0 [ 239.025260][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 239.031380][ C0] ? rcu_gp_init+0x14e0/0x14e0 [ 239.036192][ C0] ? rcu_gp_cleanup+0xb41/0xc90 [ 239.041097][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.046339][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 239.051596][ C0] rcu_gp_kthread+0x99/0x3b0 [ 239.056236][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 239.061397][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 239.067327][ C0] ? __kthread_parkme+0x162/0x1c0 [ 239.072408][ C0] kthread+0x29d/0x330 [ 239.076531][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 239.081769][ C0] ? kthread_blkcg+0xd0/0xd0 [ 239.086426][ C0] ret_from_fork+0x1f/0x30 [ 239.091007][ C0] [ 239.094063][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 239.100553][ C0] Sending NMI from CPU 0 to CPUs 1: [ 239.105901][ C1] NMI backtrace for cpu 1 [ 239.105922][ C1] CPU: 1 PID: 4316 Comm: syz-executor448 Not tainted syzkaller #0 [ 239.105939][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 239.105949][ C1] RIP: 0010:seqcount_lockdep_reader_access+0x127/0x1d0 [ 239.105976][ C1] Code: 00 00 00 41 b8 01 00 00 00 45 31 c9 53 e8 51 8c f1 ff 48 83 c4 08 48 c7 c7 48 6c b4 8c 48 89 de e8 2e 0f f2 ff e8 f9 27 16 00 <48> b8 04 00 00 00 00 fc ff df 41 c6 04 06 00 48 c7 44 24 20 00 00 [ 239.105989][ C1] RSP: 0018:ffffc900001e0d60 EFLAGS: 00000046 [ 239.106004][ C1] RAX: 930c7afb96f70d00 RBX: ffffffff8172b47b RCX: 930c7afb96f70d00 [ 239.106017][ C1] RDX: 0000000000000000 RSI: ffffffff8a8c23a0 RDI: ffffffff8adf0c20 [ 239.106029][ C1] RBP: ffffc900001e0e10 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865 [ 239.106041][ C1] R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: 0000000000000000 [ 239.106053][ C1] R13: 00000037a9aeb380 R14: 1ffff9200003c1ac R15: dffffc0000000000 [ 239.106065][ C1] FS: 00005555618403c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 239.106081][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.106092][ C1] CR2: 000020000006b000 CR3: 000000001d241000 CR4: 00000000003506e0 [ 239.106107][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.106117][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.106128][ C1] Call Trace: [ 239.106134][ C1] [ 239.106140][ C1] ? ktime_get_real_ts64+0x440/0x440 [ 239.106162][ C1] ? common_timer_wait_running+0x10/0x10 [ 239.106183][ C1] ? do_raw_spin_unlock+0x11d/0x230 [ 239.106202][ C1] ktime_get+0x7b/0x270 [ 239.106223][ C1] clockevents_program_event+0xe2/0x310 [ 239.106246][ C1] hrtimer_interrupt+0x59d/0x9c0 [ 239.106276][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 239.106303][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 239.106331][ C1] [ 239.106336][ C1] [ 239.106341][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 239.106362][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 239.106378][ C1] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae 54 2e f7 48 89 df e8 f6 1c 2f f7 e8 71 6d 52 f7 fb bf 01 00 00 00 96 7d 22 f7 65 8b 05 57 01 cc 75 85 c0 74 02 5b c3 e8 a4 15 ca [ 239.106391][ C1] RSP: 0018:ffffc900040a7b98 EFLAGS: 00000282 [ 239.106404][ C1] RAX: 930c7afb96f70d00 RBX: ffff88802e216f00 RCX: 930c7afb96f70d00 [ 239.106422][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: 0000000000000001 [ 239.106434][ C1] RBP: ffff88802e217398 R08: ffff88802e216f03 R09: 1ffff11005c42de0 [ 239.106447][ C1] R10: dffffc0000000000 R11: ffffed1005c42de1 R12: 1ffff11005c42e73 [ 239.106459][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 239.106478][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.106493][ C1] get_signal+0x1163/0x1350 [ 239.106529][ C1] arch_do_signal_or_restart+0xc4/0x1350 [ 239.106554][ C1] ? __ia32_sys_rt_sigreturn+0x619/0x760 [ 239.106578][ C1] ? load_gs_index+0x130/0x130 [ 239.106597][ C1] ? get_sigframe_size+0x10/0x10 [ 239.106639][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 239.106664][ C1] exit_to_user_mode_loop+0x70/0x110 [ 239.106688][ C1] exit_to_user_mode_prepare+0xee/0x180 [ 239.106712][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 239.106727][ C1] do_syscall_64+0x58/0xa0 [ 239.106747][ C1] ? clear_bhb_loop+0x60/0xb0 [ 239.106764][ C1] ? clear_bhb_loop+0x60/0xb0 [ 239.106782][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 239.106799][ C1] RIP: 0033:0x7f1f7b93f409 [ 239.106821][ C1] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 239.106838][ C1] RSP: 002b:00007ffddcfd27a8 EFLAGS: 00000246 [ 239.106851][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f1f7b93f409 [ 239.106878][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 239.106888][ C1] RBP: 0000000000000000 R08: 00007f1f7b91e990 R09: 00007f1f7b91e990 [ 239.106899][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1f7b9bd0b2 [ 239.106910][ C1] R13: 00007f1f7b9bb12a R14: 00007ffddcfd27e0 R15: 0000000000000000 [ 239.106928][ C1] [ 239.106934][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.051 msecs