Warning: Permanently added '10.128.0.4' (ED25519) to the list of known hosts. [ 195.415568][ T5109] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 195.438473][ T5114] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 195.446924][ T5114] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 195.454940][ T5117] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 195.462513][ T5117] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 195.466531][ T5114] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 195.472647][ T5117] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 195.478585][ T5114] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 195.485388][ T5117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 195.490670][ T5114] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 195.498878][ T5117] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 195.505403][ T5114] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 195.512738][ T5119] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 195.518889][ T5114] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 195.525599][ T5117] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 195.533617][ T5114] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 195.540368][ T5119] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 195.548558][ T5114] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 195.554709][ T5117] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 195.561193][ T5114] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 195.568736][ T5119] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 195.575707][ T5114] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 195.582804][ T5117] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 195.588709][ T5114] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 195.595970][ T5119] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 195.609356][ T5109] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 195.610451][ T5117] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 195.618964][ T5109] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 195.623723][ T5119] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 195.633198][ T5109] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 195.637623][ T5117] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 195.653133][ T5121] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 195.660678][ T5121] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 195.667782][ T5120] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 195.676674][ T5120] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 195.684803][ T5120] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 301.062041][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 301.069095][ C1] rcu: (detected by 1, t=10502 jiffies, g=6477, q=19 ncpus=2) [ 301.076666][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294967269-4294956769), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 301.090054][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6477 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 301.101186][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 301.111169][ C1] rcu: RCU grace-period kthread stack dump: [ 301.117068][ C1] task:rcu_preempt state:R running task stack:25496 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 301.128837][ C1] Call Trace: [ 301.132134][ C1] [ 301.135087][ C1] __schedule+0x17d3/0x4a20 [ 301.139668][ C1] ? srso_return_thunk+0x5/0x5f [ 301.144558][ C1] ? __pfx___schedule+0x10/0x10 [ 301.149439][ C1] ? __pfx_lock_release+0x10/0x10 [ 301.154491][ C1] ? __asan_memset+0x23/0x50 [ 301.159118][ C1] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 301.164949][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 301.171308][ C1] ? schedule+0x90/0x320 [ 301.175573][ C1] schedule+0x14b/0x320 [ 301.179759][ C1] schedule_timeout+0x1be/0x310 [ 301.184647][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 301.190059][ C1] ? __pfx_process_timeout+0x10/0x10 [ 301.195448][ C1] ? srso_return_thunk+0x5/0x5f [ 301.200325][ C1] ? prepare_to_swait_event+0x32e/0x350 [ 301.205925][ C1] rcu_gp_fqs_loop+0x2df/0x1370 [ 301.210809][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 301.216059][ C1] ? __pfx_dyntick_save_progress_counter+0x10/0x10 [ 301.222593][ C1] ? srso_return_thunk+0x5/0x5f [ 301.227471][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 301.232710][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 301.238016][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 301.243953][ C1] ? srso_return_thunk+0x5/0x5f [ 301.248837][ C1] ? finish_swait+0xd4/0x1e0 [ 301.253471][ C1] rcu_gp_kthread+0xa7/0x3b0 [ 301.258109][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 301.263345][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 301.269280][ C1] ? srso_return_thunk+0x5/0x5f [ 301.274159][ C1] ? __kthread_parkme+0x169/0x1d0 [ 301.279220][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 301.284459][ C1] kthread+0x2f2/0x390 [ 301.288564][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 301.293798][ C1] ? __pfx_kthread+0x10/0x10 [ 301.298420][ C1] ret_from_fork+0x4d/0x80 [ 301.302876][ C1] ? __pfx_kthread+0x10/0x10 [ 301.307500][ C1] ret_from_fork_asm+0x1a/0x30 [ 301.312317][ C1] [ 301.315351][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 301.321690][ C1] Sending NMI from CPU 1 to CPUs 0: [ 301.326917][ C0] NMI backtrace for cpu 0 [ 301.326928][ C0] CPU: 0 PID: 5128 Comm: syz-executor248 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 301.326950][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 301.326963][ C0] RIP: 0010:srso_safe_ret+0x0/0x20 [ 301.326995][ C0] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 2e 0f 1f [ 301.327012][ C0] RSP: 0018:ffffc90000007ea8 EFLAGS: 00000092 [ 301.327032][ C0] RAX: 7fffffffffffffff RBX: ffff8880b942c904 RCX: ffff888078680000 [ 301.327048][ C0] RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000 [ 301.327062][ C0] RBP: 0000000000000000 R08: ffffffff81826ebb R09: fffff52000000f88 [ 301.327078][ C0] R10: dffffc0000000000 R11: fffff52000000f88 R12: 0000000000000011 [ 301.327093][ C0] R13: ffff8880b942c8c0 R14: dffffc0000000000 R15: ffff8880b942cca8 [ 301.327113][ C0] FS: 000055557a46f3c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 301.327132][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 301.327147][ C0] CR2: 000000002006b000 CR3: 0000000022b48000 CR4: 0000000000350ef0 [ 301.327164][ C0] Call Trace: [ 301.327174][ C0] [ 301.327182][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 301.327210][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 301.327237][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 301.327262][ C0] ? nmi_handle+0x2a/0x580 [ 301.327297][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 301.327326][ C0] ? nmi_handle+0x151/0x580 [ 301.327348][ C0] ? nmi_handle+0x2a/0x580 [ 301.327372][ C0] ? srso_untrain_ret+0x2/0x2 [ 301.327397][ C0] ? default_do_nmi+0x63/0x160 [ 301.327425][ C0] ? exc_nmi+0x123/0x1f0 [ 301.327451][ C0] ? end_repeat_nmi+0xf/0x53 [ 301.327487][ C0] ? __hrtimer_next_event_base+0x2b/0x280 [ 301.327519][ C0] ? srso_untrain_ret+0x2/0x2 [ 301.327545][ C0] ? srso_untrain_ret+0x2/0x2 [ 301.327573][ C0] ? srso_untrain_ret+0x2/0x2 [ 301.327599][ C0] [ 301.327606][ C0] [ 301.327613][ C0] srso_return_thunk+0x5/0x5f [ 301.327638][ C0] hrtimer_interrupt+0x41d/0x990 [ 301.327685][ C0] __sysvec_apic_timer_interrupt+0x109/0x3a0 [ 301.327724][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 301.327757][ C0] [ 301.327764][ C0] [ 301.327772][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 301.327800][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 301.327835][ 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 [ 301.327852][ C0] RSP: 0018:ffffc900045b7c70 EFLAGS: 00000282 [ 301.327869][ C0] RAX: c71e671130150b00 RBX: ffff888029594a00 RCX: ffffffff944dd603 [ 301.327886][ C0] RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001 [ 301.327901][ C0] RBP: ffffc900045b7db0 R08: ffffffff8f873a6f R09: 1ffffffff1f0e74d [ 301.327917][ C0] R10: dffffc0000000000 R11: fffffbfff1f0e74e R12: 1ffff110052b29d3 [ 301.327934][ C0] R13: 000000001c000004 R14: 0000000000000021 R15: ffff888029594e98 [ 301.327962][ C0] get_signal+0x156e/0x1850 [ 301.328008][ C0] ? __pfx_get_signal+0x10/0x10 [ 301.328050][ C0] arch_do_signal_or_restart+0x96/0x860 [ 301.328084][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 301.328113][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 301.328146][ C0] ? syscall_exit_to_user_mode+0xa3/0x360 [ 301.328182][ C0] syscall_exit_to_user_mode+0xc9/0x360 [ 301.328219][ C0] do_syscall_64+0x10a/0x240 [ 301.328240][ C0] ? srso_return_thunk+0x5/0x5f [ 301.328268][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 301.328294][ C0] RIP: 0033:0x7ffa0e4abfb7 [ 301.328311][ C0] Code: 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d c1 a0 08 00 00 <74> 17 b8 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 [ 301.328328][ C0] RSP: 002b:00007ffdfd93f168 EFLAGS: 00000246 [ 301.328345][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007ffa0e4ace79 [ 301.328359][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000003 [ 301.328372][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 301.328386][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055557a46f370 [ 301.328400][ C0] R13: 0000000000000000 R14: 00007ffdfd93f1e0 R15: 00007ffdfd93f1d0 [ 301.328426][ C0] [ 301.328435][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.517 msecs