Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. executing program executing program [ 88.443659][ T23] Bluetooth: hci3: command 0x0409 tx timeout [ 88.461128][ T7] Bluetooth: hci1: command 0x0409 tx timeout [ 88.478301][ T1326] cfg80211: failed to load regulatory.db executing program [ 88.511577][ T23] Bluetooth: hci2: command 0x0409 tx timeout executing program [ 193.631314][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 193.638358][ C1] (detected by 1, t=10502 jiffies, g=5277, q=17) [ 193.644963][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294956465-4294945964), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 193.658734][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g5277 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 193.669939][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 193.680008][ C1] rcu: RCU grace-period kthread stack dump: [ 193.686422][ C1] task:rcu_preempt state:R running task stack:28016 pid: 15 ppid: 2 flags:0x00004000 [ 193.697228][ C1] Call Trace: [ 193.700707][ C1] [ 193.703762][ C1] __schedule+0x11ef/0x43c0 [ 193.708409][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 193.713631][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 193.719538][ C1] ? _raw_spin_unlock+0x40/0x40 [ 193.724579][ C1] ? release_firmware_map_entry+0x190/0x190 [ 193.730604][ C1] ? __mod_timer+0x91e/0xd00 [ 193.735219][ C1] schedule+0x11b/0x1e0 [ 193.739395][ C1] schedule_timeout+0x184/0x2d0 [ 193.744656][ C1] ? console_conditional_schedule+0x40/0x40 [ 193.750565][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 193.756744][ C1] ? update_process_times+0x200/0x200 [ 193.762141][ C1] ? prepare_to_swait_event+0x331/0x350 [ 193.767885][ C1] rcu_gp_fqs_loop+0x2be/0x11d0 [ 193.773041][ C1] ? dump_blkd_tasks+0x7e0/0x7e0 [ 193.778073][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 193.783042][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 193.788260][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 193.793476][ C1] rcu_gp_kthread+0x9b/0x370 [ 193.798342][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 193.804431][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 193.809774][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 193.816160][ C1] ? __kthread_parkme+0x157/0x1b0 [ 193.821315][ C1] kthread+0x436/0x520 [ 193.825405][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 193.830708][ C1] ? kthread_blkcg+0xd0/0xd0 [ 193.835318][ C1] ret_from_fork+0x1f/0x30 [ 193.839861][ C1] [ 193.842891][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 193.849223][ C1] NMI backtrace for cpu 1 [ 193.853855][ C1] CPU: 1 PID: 4215 Comm: syz-executor164 Not tainted syzkaller #0 [ 193.861678][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 193.872147][ C1] Call Trace: [ 193.875616][ C1] [ 193.878472][ C1] dump_stack_lvl+0x188/0x250 [ 193.883455][ C1] ? show_regs_print_info+0x20/0x20 [ 193.888791][ C1] ? load_image+0x400/0x400 [ 193.893341][ C1] ? irq_work_queue+0xbf/0x140 [ 193.898497][ C1] nmi_cpu_backtrace+0x3a2/0x3d0 [ 193.903579][ C1] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 193.909926][ C1] ? _printk+0xda/0x130 [ 193.914376][ C1] ? cpu_online+0x1d/0x30 [ 193.918718][ C1] ? load_image+0x400/0x400 [ 193.923241][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 193.929529][ C1] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 193.935526][ C1] rcu_check_gp_kthread_starvation+0x1cd/0x250 [ 193.942073][ C1] print_other_cpu_stall+0x1110/0x1270 [ 193.947732][ C1] ? print_cpu_stall+0x5f0/0x5f0 [ 193.952772][ C1] ? rcu_qs+0xd0/0x170 [ 193.956853][ C1] ? rcu_softirq_qs+0x290/0x290 [ 193.961816][ C1] rcu_sched_clock_irq+0x843/0x1120 [ 193.967036][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 193.971908][ C1] ? hrtimer_run_queues+0x162/0x440 [ 193.977209][ C1] ? account_process_tick+0x22a/0x3a0 [ 193.982858][ C1] update_process_times+0x193/0x200 [ 193.988193][ C1] tick_sched_timer+0x37d/0x560 [ 193.993080][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 193.998654][ C1] __hrtimer_run_queues+0x4ad/0xb70 [ 194.003985][ C1] ? hrtimer_interrupt+0x8d0/0x8d0 [ 194.009204][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 194.015522][ C1] hrtimer_interrupt+0x3bb/0x8d0 [ 194.020513][ C1] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 194.026510][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 194.032162][ C1] [ 194.035101][ C1] [ 194.038040][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 194.044311][ C1] RIP: 0010:lock_release+0x5a4/0x8a0 [ 194.049716][ C1] Code: 80 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 2c 04 f8 75 6f 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2c 00 00 00 00 43 c7 44 2c 08 00 00 00 00 65 48 8b 04 25 [ 194.069787][ C1] RSP: 0018:ffffc9000302fa00 EFLAGS: 00000206 [ 194.075974][ C1] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: 4cdccd3dc677a800 [ 194.084169][ C1] RDX: 0000000000000000 RSI: ffffffff8a2b3a20 RDI: ffffffff8a79f740 [ 194.092684][ C1] RBP: ffffc9000302fb10 R08: ffffffff8d89db2f R09: 1ffffffff1b13b65 [ 194.100862][ C1] R10: dffffc0000000000 R11: fffffbfff1b13b66 R12: 1ffff92000605f4c [ 194.108850][ C1] R13: dffffc0000000000 R14: ffff88807a26a8a0 R15: 0000000000000246 [ 194.116860][ C1] ? __might_sleep+0xf0/0xf0 [ 194.121588][ C1] ? __might_fault+0xb7/0x110 [ 194.126627][ C1] ? __lock_acquire+0x7d10/0x7d10 [ 194.132130][ C1] ? __local_bh_enable_ip+0x136/0x1c0 [ 194.137811][ C1] ? _local_bh_enable+0xa0/0xa0 [ 194.142835][ C1] ? __might_fault+0xb3/0x110 [ 194.147997][ C1] copy_fpstate_to_sigframe+0x8aa/0xbf0 [ 194.153769][ C1] ? fpregs_set+0x5b0/0x5b0 [ 194.158296][ C1] ? get_signal+0x1200/0x12c0 [ 194.162989][ C1] ? __bpf_trace_rseq_ip_fixup+0x40/0x40 [ 194.168798][ C1] ? fpu__alloc_mathframe+0x77/0x140 [ 194.174101][ C1] arch_do_signal_or_restart+0x679/0x12c0 [ 194.180015][ C1] ? _copy_from_user+0x111/0x170 [ 194.184977][ C1] ? load_gs_index+0x130/0x130 [ 194.189758][ C1] ? get_sigframe_size+0x10/0x10 [ 194.194847][ C1] ? exit_to_user_mode_loop+0x3b/0x130 [ 194.200326][ C1] exit_to_user_mode_loop+0x9e/0x130 [ 194.205664][ C1] exit_to_user_mode_prepare+0xee/0x180 [ 194.211660][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 194.217280][ C1] do_syscall_64+0x58/0xa0 [ 194.221741][ C1] ? clear_bhb_loop+0x30/0x80 [ 194.226531][ C1] ? clear_bhb_loop+0x30/0x80 [ 194.231223][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 194.237226][ C1] RIP: 0033:0x7ff68eb376c9 [ 194.241661][ 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 [ 194.261632][ C1] RSP: 002b:00007ffc6df119f8 EFLAGS: 00000246 [ 194.267906][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ff68eb376c9 [ 194.275890][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 194.284075][ C1] RBP: 0000000000000000 R08: 00007ffc6df11a2c R09: 00007ffc6df11a2c [ 194.292342][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6df11a2c [ 194.300599][ C1] R13: 00007ff68ebb312a R14: 00007ffc6df11a40 R15: 0000000000000001 [ 194.308775][ C1]