Warning: Permanently added '10.128.1.232' (ED25519) to the list of known hosts. [ 108.698505][ T5812] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 108.700981][ T5816] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 108.707126][ T5812] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 108.714679][ T5816] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 108.722896][ T5812] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 108.729186][ T5816] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 108.735748][ T5812] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 108.742405][ T5816] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 108.749553][ T5812] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 108.756453][ T5816] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 108.764211][ T5812] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 108.771778][ T5816] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 108.777988][ T5812] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 108.785127][ T5816] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 108.791659][ T5812] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 108.798839][ T5816] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 108.815510][ T5816] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 108.823341][ T5816] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 108.831998][ T5812] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 108.832133][ T5816] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 108.847551][ T5812] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.887995][ T5104] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 108.896033][ T5104] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 108.903925][ T5104] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program [ 214.112648][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 214.119750][ C1] rcu: (detected by 1, t=10502 jiffies, g=8765, q=40 ncpus=2) [ 214.127504][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10498 (4294958485-4294947987), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 214.141331][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g8765 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 214.152555][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 214.162556][ C1] rcu: RCU grace-period kthread stack dump: [ 214.168652][ C1] task:rcu_preempt state:R running task stack:26728 pid:17 ppid:2 flags:0x00004000 [ 214.179470][ C1] Call Trace: [ 214.182774][ C1] [ 214.185733][ C1] __schedule+0x14d2/0x44d0 [ 214.190399][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 214.196418][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 214.201644][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 214.207571][ C1] ? asan.module_dtor+0x20/0x20 [ 214.212544][ C1] ? enqueue_timer+0x225/0x530 [ 214.217431][ C1] ? __mod_timer+0x984/0xdb0 [ 214.222057][ C1] schedule+0xbd/0x170 [ 214.226163][ C1] schedule_timeout+0x160/0x280 [ 214.231152][ C1] ? console_conditional_schedule+0x40/0x40 [ 214.237281][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 214.243205][ C1] ? update_process_times+0x1b0/0x1b0 [ 214.248707][ C1] ? prepare_to_swait_event+0x339/0x360 [ 214.254376][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 214.259624][ C1] ? dump_blkd_tasks+0x810/0x810 [ 214.264614][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 214.269845][ C1] ? rcu_gp_init+0x1510/0x1510 [ 214.274668][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 214.280699][ C1] ? finish_swait+0xc7/0x1d0 [ 214.285408][ C1] rcu_gp_kthread+0x99/0x380 [ 214.290145][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 214.295466][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 214.300533][ C1] ? __kthread_parkme+0x162/0x1c0 [ 214.305860][ C1] kthread+0x2fa/0x390 [ 214.309955][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 214.315186][ C1] ? kthread_blkcg+0xd0/0xd0 [ 214.319890][ C1] ret_from_fork+0x48/0x80 [ 214.324423][ C1] ? kthread_blkcg+0xd0/0xd0 [ 214.329148][ C1] ret_from_fork_asm+0x11/0x20 [ 214.334046][ C1] [ 214.337093][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 214.343436][ C1] Sending NMI from CPU 1 to CPUs 0: [ 214.348757][ C0] NMI backtrace for cpu 0 [ 214.348766][ C0] CPU: 0 PID: 5826 Comm: syz-executor176 Not tainted syzkaller #0 [ 214.348780][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 214.348787][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x5/0x110 [ 214.348808][ C0] Code: 75 ef f6 bf 01 00 00 00 e8 88 97 e2 f6 65 8b 05 79 ce 8a 75 85 c0 74 02 5b c3 e8 56 b4 87 f6 5b c3 0f 1f 40 00 f3 0f 1e fa 55 <48> 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 83 ec 60 48 89 f3 49 [ 214.348819][ C0] RSP: 0018:ffffc90000007c68 EFLAGS: 00000046 [ 214.348832][ C0] RAX: 1ffff11003ed94e3 RBX: 0000000000000020 RCX: ffff88801f6c9e00 [ 214.348842][ C0] RDX: 0000000000010000 RSI: 0000000000000806 RDI: ffff88802b159280 [ 214.348852][ C0] RBP: ffff88807670ab08 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5 [ 214.348861][ C0] R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: 0000000000000000 [ 214.348871][ C0] R13: ffff88801f6ca718 R14: 0000000000000000 R15: dffffc0000000000 [ 214.348880][ C0] FS: 000055556c5863c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 214.348893][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 214.348910][ C0] CR2: 00007fb7084cef50 CR3: 000000007a5c5000 CR4: 00000000003506f0 [ 214.348924][ C0] Call Trace: [ 214.348931][ C0] [ 214.348936][ C0] send_sigqueue+0x4de/0x710 [ 214.348958][ C0] ? send_sigqueue+0x97/0x710 [ 214.348979][ C0] posix_timer_fn+0x16e/0x3d0 [ 214.348995][ C0] __hrtimer_run_queues+0x51e/0xc40 [ 214.349013][ C0] ? common_timer_wait_running+0x10/0x10 [ 214.349031][ C0] ? hrtimer_interrupt+0x9c0/0x9c0 [ 214.349045][ C0] ? ktime_get_update_offsets_now+0x3d2/0x3f0 [ 214.349065][ C0] hrtimer_interrupt+0x3c9/0x9c0 [ 214.349090][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 214.349108][ C0] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 214.349123][ C0] [ 214.349127][ C0] [ 214.349132][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 214.349149][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 214.349164][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a a2 ee f6 48 89 df e8 62 74 ef f6 e8 fd 1a 13 f7 fb bf 01 00 00 00 32 96 e2 f6 65 8b 05 23 cd 8a 75 85 c0 74 02 5b c3 e8 00 b3 87 [ 214.349174][ C0] RSP: 0018:ffffc9000480fc78 EFLAGS: 00000286 [ 214.349185][ C0] RAX: 291bc214bd71fc00 RBX: ffff88802b159280 RCX: 291bc214bd71fc00 [ 214.349195][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001 [ 214.349205][ C0] RBP: ffff88802b159718 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5 [ 214.349215][ C0] R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: 1ffff1100562b2e3 [ 214.349224][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 214.349241][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 214.349255][ C0] get_signal+0x11f5/0x1400 [ 214.349284][ C0] arch_do_signal_or_restart+0x9c/0x7b0 [ 214.349305][ C0] ? get_sigframe_size+0x20/0x20 [ 214.349331][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 214.349351][ C0] exit_to_user_mode_loop+0x70/0x110 [ 214.349368][ C0] exit_to_user_mode_prepare+0xf6/0x180 [ 214.349386][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 214.349401][ C0] do_syscall_64+0x61/0xb0 [ 214.349417][ C0] ? clear_bhb_loop+0x40/0x90 [ 214.349432][ C0] ? clear_bhb_loop+0x40/0x90 [ 214.349447][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 214.349476][ C0] RIP: 0033:0x7fb7084b78d9 [ 214.349487][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 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 [ 214.349497][ C0] RSP: 002b:00007fffb48c0e78 EFLAGS: 00000246 [ 214.349508][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fb7084b78d9 [ 214.349517][ C0] RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000 [ 214.349525][ C0] RBP: 0000000000000000 R08: 00007fb708477990 R09: 00007fb708477990 [ 214.349535][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb70851533c [ 214.349544][ C0] R13: 00007fb70850f106 R14: 00007fffb48c0eb0 R15: 0000000000000000 [ 214.349560][ C0]