Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts. [ 193.335369][ T5112] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 193.346163][ T5112] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 193.353924][ T5114] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 193.363543][ T5114] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 193.372363][ T5112] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 193.380325][ T5114] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 193.388155][ T5112] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 193.396783][ T5114] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 193.401169][ T5112] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 193.411517][ T5114] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 193.411833][ T5116] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 193.419528][ T5114] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 193.426661][ T5116] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 193.441585][ T5112] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 193.442240][ T5116] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 193.449431][ T5118] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 193.456656][ T5116] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 193.466867][ T5118] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 193.471699][ T5116] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 193.477835][ T5112] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 193.485586][ T5116] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 193.493614][ T5118] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 193.499218][ T5114] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 193.506055][ T5112] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 193.513368][ T5114] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 193.528157][ T5114] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 193.535587][ T5114] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 193.543100][ T5114] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 193.554363][ T5101] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 193.556105][ T5114] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 193.563438][ T5106] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 193.569455][ T5114] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 193.576170][ T5101] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 193.585660][ T5114] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 193.590349][ T5106] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 193.606421][ T5106] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 299.076903][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 299.083979][ C1] rcu: (detected by 1, t=10502 jiffies, g=7345, q=6 ncpus=2) [ 299.091457][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294967054-4294956551), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 299.104860][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g7345 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 299.116001][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 299.126003][ C1] rcu: RCU grace-period kthread stack dump: [ 299.131914][ C1] task:rcu_preempt state:R running task stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 299.143705][ C1] Call Trace: [ 299.147019][ C1] [ 299.149982][ C1] __schedule+0x17d3/0x4a20 [ 299.154586][ C1] ? srso_return_thunk+0x5/0x5f [ 299.159492][ C1] ? __pfx___schedule+0x10/0x10 [ 299.164384][ C1] ? __pfx_lock_release+0x10/0x10 [ 299.169448][ C1] ? __asan_memset+0x23/0x50 [ 299.174092][ C1] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 299.179935][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 299.186301][ C1] ? schedule+0x90/0x320 [ 299.190577][ C1] schedule+0x14b/0x320 [ 299.194767][ C1] schedule_timeout+0x1be/0x310 [ 299.199668][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 299.205089][ C1] ? __pfx_process_timeout+0x10/0x10 [ 299.210421][ C1] ? srso_return_thunk+0x5/0x5f [ 299.215309][ C1] ? prepare_to_swait_event+0x32e/0x350 [ 299.220912][ C1] rcu_gp_fqs_loop+0x2df/0x1370 [ 299.225802][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 299.231071][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 299.236060][ C1] ? srso_return_thunk+0x5/0x5f [ 299.240955][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 299.246202][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 299.251523][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 299.257479][ C1] ? srso_return_thunk+0x5/0x5f [ 299.262369][ C1] ? finish_swait+0xd4/0x1e0 [ 299.267014][ C1] rcu_gp_kthread+0xa7/0x3b0 [ 299.271656][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 299.276896][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 299.282856][ C1] ? srso_return_thunk+0x5/0x5f [ 299.287743][ C1] ? __kthread_parkme+0x169/0x1d0 [ 299.292805][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 299.298056][ C1] kthread+0x2f2/0x390 [ 299.302163][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 299.307405][ C1] ? __pfx_kthread+0x10/0x10 [ 299.312038][ C1] ret_from_fork+0x4d/0x80 [ 299.316504][ C1] ? __pfx_kthread+0x10/0x10 [ 299.321132][ C1] ret_from_fork_asm+0x1a/0x30 [ 299.325960][ C1] [ 299.328998][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 299.335337][ C1] Sending NMI from CPU 1 to CPUs 0: [ 299.340573][ C0] NMI backtrace for cpu 0 [ 299.340586][ C0] CPU: 0 PID: 5125 Comm: syz-executor376 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 299.340609][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 299.340622][ C0] RIP: 0010:send_sigqueue+0x464/0x760 [ 299.340664][ C0] Code: 8b 66 08 48 8b 7c 24 08 4c 89 e6 4c 89 f2 e8 b3 6a 51 03 84 c0 0f 84 85 00 00 00 e8 16 04 39 00 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 ef e8 0e 54 9c 00 48 8b 5c 24 08 49 89 5d [ 299.340683][ C0] RSP: 0018:ffffc90000007c20 EFLAGS: 00000046 [ 299.340703][ C0] RAX: dffffc0000000000 RBX: 1ffff11005305a30 RCX: ffff888026c51e00 [ 299.340721][ C0] RDX: 0000000080010003 RSI: ffff88802982d178 RDI: ffff88801539dcb0 [ 299.340738][ C0] RBP: ffffc90000007ce8 R08: 0000000000000007 R09: ffffffff815bfd94 [ 299.340755][ C0] R10: 0000000000000002 R11: ffff888026c51e00 R12: ffff88802982d178 [ 299.340771][ C0] R13: ffff88802982d180 R14: ffff88802982d178 R15: ffff888026c51e00 [ 299.340792][ C0] FS: 000055556a7153c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 299.340813][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 299.340829][ C0] CR2: 00007f555427c4c0 CR3: 0000000022360000 CR4: 0000000000350ef0 [ 299.340848][ C0] Call Trace: [ 299.340859][ C0] [ 299.340869][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 299.340899][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 299.340927][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 299.340954][ C0] ? nmi_handle+0x2a/0x580 [ 299.340991][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 299.341022][ C0] ? nmi_handle+0x151/0x580 [ 299.341045][ C0] ? nmi_handle+0x2a/0x580 [ 299.341071][ C0] ? send_sigqueue+0x464/0x760 [ 299.341106][ C0] ? default_do_nmi+0x63/0x160 [ 299.341135][ C0] ? exc_nmi+0x123/0x1f0 [ 299.341163][ C0] ? end_repeat_nmi+0xf/0x53 [ 299.341197][ C0] ? prepare_signal+0x944/0xc80 [ 299.341235][ C0] ? send_sigqueue+0x464/0x760 [ 299.341271][ C0] ? send_sigqueue+0x464/0x760 [ 299.341308][ C0] ? send_sigqueue+0x464/0x760 [ 299.341348][ C0] [ 299.341355][ C0] [ 299.341365][ C0] ? send_sigqueue+0x111/0x760 [ 299.341402][ C0] ? __pfx_send_sigqueue+0x10/0x10 [ 299.341440][ C0] ? srso_return_thunk+0x5/0x5f [ 299.341467][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 299.341507][ C0] posix_timer_fn+0x18a/0x3a0 [ 299.341539][ C0] ? __pfx_posix_timer_fn+0x10/0x10 [ 299.341568][ C0] __hrtimer_run_queues+0x597/0xd00 [ 299.341614][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 299.341644][ C0] ? srso_return_thunk+0x5/0x5f [ 299.341671][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 299.341702][ C0] hrtimer_interrupt+0x396/0x990 [ 299.341752][ C0] __sysvec_apic_timer_interrupt+0x109/0x3a0 [ 299.341793][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 299.341827][ C0] [ 299.341835][ C0] [ 299.341844][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 299.341875][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 299.341911][ C0] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 0a b4 f2 f5 48 89 df e8 c2 f3 f3 f5 e8 1d 19 1d f6 fb bf 01 00 00 00 52 e0 e5 f5 65 8b 05 a3 c4 84 74 85 c0 74 06 5b e9 71 40 00 00 [ 299.341929][ C0] RSP: 0018:ffffc90004657c70 EFLAGS: 00000282 [ 299.341948][ C0] RAX: b59cfe940c4f1600 RBX: ffff8880283765c0 RCX: ffffffff944dd603 [ 299.341966][ C0] RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001 [ 299.341982][ C0] RBP: ffffc90004657db0 R08: ffffffff8f873a6f R09: 1ffffffff1f0e74d [ 299.342000][ C0] R10: dffffc0000000000 R11: fffffbfff1f0e74e R12: 1ffff1100506ed4b [ 299.342017][ C0] R13: 000000001c000004 R14: 0000000000000021 R15: ffff888028376a58 [ 299.342047][ C0] get_signal+0x156e/0x1850 [ 299.342095][ C0] ? __pfx_get_signal+0x10/0x10 [ 299.342139][ C0] arch_do_signal_or_restart+0x96/0x860 [ 299.342176][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 299.342207][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 299.342242][ C0] ? syscall_exit_to_user_mode+0xa3/0x360 [ 299.342281][ C0] syscall_exit_to_user_mode+0xc9/0x360 [ 299.342320][ C0] do_syscall_64+0x10a/0x240 [ 299.342346][ C0] ? srso_return_thunk+0x5/0x5f [ 299.342375][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.342404][ C0] RIP: 0033:0x7f5554264e79 [ 299.342421][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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 [ 299.342440][ C0] RSP: 002b:00007ffc21c8e188 EFLAGS: 00000246 [ 299.342457][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f5554264e79 [ 299.342472][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 299.342487][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 299.342501][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 299.342515][ C0] R13: 0000000000000004 R14: 00007ffc21c8e200 R15: 00007ffc21c8e1f0 [ 299.342543][ C0] [ 299.342553][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.979 msecs [ 299.832858][ C1] sched: RT throttling activated