Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts. [ 71.511467][ T1271] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.519914][ T1271] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.535021][ T1408] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.578791][ T1408] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.587851][ T1271] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.588602][ T1408] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.600852][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.606206][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.620274][ T1271] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.622524][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.637343][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.646472][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 71.688892][ T1271] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.694196][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.710287][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.711898][ T1271] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.738606][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.746858][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.772846][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.782529][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.803975][ T4214] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.820475][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.837481][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 71.861396][ T4214] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 176.922691][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.930381][ C0] (detected by 0, t=10502 jiffies, g=5257, q=53) [ 176.937169][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954796-4294944294), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 176.951382][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g5257 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.962765][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 176.974061][ C0] rcu: RCU grace-period kthread stack dump: [ 176.980329][ C0] task:rcu_preempt state:R running task stack:26960 pid: 15 ppid: 2 flags:0x00004000 [ 176.991149][ C0] Call Trace: [ 176.994546][ C0] [ 176.997516][ C0] __schedule+0x11ef/0x43c0 [ 177.002146][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 177.007400][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 177.013440][ C0] ? _raw_spin_unlock+0x40/0x40 [ 177.018306][ C0] ? release_firmware_map_entry+0x190/0x190 [ 177.024217][ C0] ? __mod_timer+0x91e/0xd00 [ 177.028830][ C0] schedule+0x11b/0x1e0 [ 177.033121][ C0] schedule_timeout+0x184/0x2d0 [ 177.038252][ C0] ? console_conditional_schedule+0x40/0x40 [ 177.044345][ C0] ? update_process_times+0x200/0x200 [ 177.049912][ C0] ? prepare_to_swait_event+0x331/0x350 [ 177.056195][ C0] rcu_gp_fqs_loop+0x2be/0x11d0 [ 177.061399][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 177.067034][ C0] ? rcu_gp_init+0xd6c/0x10f0 [ 177.072105][ C0] ? rcu_gp_init+0x10f0/0x10f0 [ 177.076975][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 177.082306][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 177.087693][ C0] rcu_gp_kthread+0x9b/0x370 [ 177.092475][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 177.098909][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 177.104253][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 177.110817][ C0] ? __kthread_parkme+0x157/0x1b0 [ 177.116127][ C0] kthread+0x436/0x520 [ 177.120314][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 177.125622][ C0] ? kthread_blkcg+0xd0/0xd0 [ 177.130408][ C0] ret_from_fork+0x1f/0x30 [ 177.135027][ C0] [ 177.138105][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 177.144530][ C0] NMI backtrace for cpu 0 [ 177.149224][ C0] CPU: 0 PID: 4216 Comm: syz-executor284 Not tainted syzkaller #0 [ 177.157258][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 177.167774][ C0] Call Trace: [ 177.171173][ C0] [ 177.174119][ C0] dump_stack_lvl+0x188/0x250 [ 177.178909][ C0] ? show_regs_print_info+0x20/0x20 [ 177.184150][ C0] ? load_image+0x400/0x400 [ 177.188820][ C0] ? irq_work_queue+0xbf/0x140 [ 177.193698][ C0] nmi_cpu_backtrace+0x3a2/0x3d0 [ 177.199001][ C0] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 177.205279][ C0] ? _printk+0xda/0x130 [ 177.209692][ C0] ? cpu_online+0x1d/0x30 [ 177.214067][ C0] ? load_image+0x400/0x400 [ 177.218782][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 177.225600][ C0] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 177.231622][ C0] rcu_check_gp_kthread_starvation+0x1cd/0x250 [ 177.237968][ C0] print_other_cpu_stall+0x1110/0x1270 [ 177.243544][ C0] ? print_cpu_stall+0x5f0/0x5f0 [ 177.248939][ C0] ? timekeeping_advance+0x7f6/0xac0 [ 177.254361][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 177.259606][ C0] rcu_sched_clock_irq+0x843/0x1120 [ 177.264844][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 177.269716][ C0] ? account_process_tick+0x22a/0x3a0 [ 177.275474][ C0] update_process_times+0x193/0x200 [ 177.280981][ C0] tick_sched_timer+0x37d/0x560 [ 177.285925][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 177.291674][ C0] __hrtimer_run_queues+0x4ad/0xb70 [ 177.297265][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 177.302507][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 177.308831][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 177.315201][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 177.321304][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 177.327173][ C0] [ 177.330115][ C0] [ 177.333371][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 177.339824][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 177.345894][ C0] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ee fa 97 f7 48 89 df e8 26 d3 98 f7 e8 91 c5 b9 f7 fb bf 01 00 00 00 a6 d9 8c f7 65 8b 05 47 e7 3c 76 85 c0 74 02 5b c3 e8 94 f4 3a [ 177.366658][ C0] RSP: 0018:ffffc90002347bc0 EFLAGS: 00000282 [ 177.373071][ C0] RAX: 12b86b92877bbb00 RBX: ffff88807b9e3780 RCX: 12b86b92877bbb00 [ 177.381151][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: 0000000000000001 [ 177.389305][ C0] RBP: 0000000000000000 R08: ffff88807b9e3783 R09: 1ffff1100f73c6f0 [ 177.398177][ C0] R10: dffffc0000000000 R11: ffffed100f73c6f1 R12: ffff88807b9e3780 [ 177.406442][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004 [ 177.414544][ C0] get_signal+0x11d6/0x12c0 [ 177.419099][ C0] arch_do_signal_or_restart+0xe7/0x12c0 [ 177.424840][ C0] ? _copy_from_user+0x111/0x170 [ 177.429806][ C0] ? load_gs_index+0x130/0x130 [ 177.435418][ C0] ? get_sigframe_size+0x10/0x10 [ 177.440572][ C0] ? exit_to_user_mode_loop+0x3b/0x130 [ 177.446076][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 177.451747][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 177.457764][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 177.464134][ C0] do_syscall_64+0x58/0xa0 [ 177.468653][ C0] ? clear_bhb_loop+0x30/0x80 [ 177.473785][ C0] ? clear_bhb_loop+0x30/0x80 [ 177.478564][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 177.484919][ C0] RIP: 0033:0x7f43fb0d3b4e [ 177.489525][ C0] Code: 08 0f 85 65 eb ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 [ 177.510640][ C0] RSP: 002b:00007fffede316a8 EFLAGS: 00000246 [ 177.516898][ C0] RAX: fffffffffffffff7 RBX: 0000555588e29480 RCX: 00007f43fb0d3b4e [ 177.525066][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 177.533531][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 177.541601][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffede3172c [ 177.549691][ C0] R13: 00007f43fb16c488 R14: 0000000000000000 R15: 431bde82d7b634db [ 177.557906][ C0] executing program [ 185.068484][ T23] Bluetooth: hci4: command 0x0409 tx timeout [ 185.076302][ T1110] cfg80211: failed to load regulatory.db [ 185.083436][ T23] Bluetooth: hci2: command 0x0409 tx timeout [ 185.100242][ T13] Bluetooth: hci1: command 0x0409 tx timeout executing program [ 185.135061][ T13] Bluetooth: hci3: command 0x0409 tx timeout