Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts.
executing program
[ 86.745394][ T1108] cfg80211: failed to load regulatory.db
[ 187.282936][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 187.290027][ C1] rcu: 0-...!: (1 ticks this GP) idle=223/0/0x3 softirq=5489/5489 fqs=0
[ 187.298993][ C1] (detected by 1, t=10502 jiffies, g=5297, q=351)
[ 187.305509][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 187.310735][ C0] NMI backtrace for cpu 0
[ 187.310762][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[ 187.310777][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 187.310796][ C0] RIP: 0010:lock_release+0x221/0x870
[ 187.310835][ C0] Code: 44 89 7c 24 3c 44 89 fa 85 c0 0f 84 d2 01 00 00 4d 85 e4 0f 84 0b 03 00 00 4d 8d 74 24 24 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 94 04 00 00 41 83 3e 00 0f 85 ca 03 00 00 4d 8d 74 24
[ 187.310848][ C0] RSP: 0018:ffffc90000007480 EFLAGS: 00000803
[ 187.310862][ C0] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000001
[ 187.310872][ C0] RDX: 0000000000000001 RSI: ffffffff8c11c660 RDI: ffffffff8bebced8
[ 187.310883][ C0] RBP: ffffc90000007590 R08: dffffc0000000000 R09: fffffbfff1ad323e
[ 187.310895][ C0] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffffffff8bebced8
[ 187.310907][ C0] R13: dffffc0000000000 R14: ffffffff8bebcefc R15: 0000000000000001
[ 187.310918][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 187.310931][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 187.310941][ C0] CR2: 0000555573876ce8 CR3: 0000000077521000 CR4: 00000000003506f0
[ 187.310955][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 187.310964][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 187.310973][ C0] Call Trace:
[ 187.310979][ C0]
[ 187.310995][ C0] ? rcu_lock_release+0x9/0x20
[ 187.311015][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 187.311033][ C0] ? perf_callchain+0x190/0x190
[ 187.311052][ C0] ? mark_lock+0x94/0x320
[ 187.311072][ C0] perf_event_output_forward+0x222/0x280
[ 187.311089][ C0] ? perf_get_page_size+0x420/0x420
[ 187.311106][ C0] ? mark_lock+0x94/0x320
[ 187.311125][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 187.311142][ C0] __perf_event_overflow+0x364/0x530
[ 187.311160][ C0] perf_swevent_event+0x4ad/0x530
[ 187.311177][ C0] perf_tp_event+0x32c/0xb50
[ 187.311192][ C0] ? rcu_is_watching+0x11/0xa0
[ 187.311207][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[ 187.311223][ C0] ? __update_load_avg_se+0x6e9/0xb90
[ 187.311250][ C0] ? sched_ttwu_pending+0x446/0x5d0
[ 187.311270][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 187.311290][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 187.311309][ C0] perf_trace_preemptirq_template+0x2be/0x380
[ 187.311328][ C0] ? irqentry_exit+0x4b/0x70
[ 187.311350][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270
[ 187.311368][ C0] ? __irq_exit_rcu+0x13b/0x220
[ 187.311383][ C0] ? irq_exit_rcu+0x20/0x20
[ 187.311398][ C0] ? irqentry_exit+0x4b/0x70
[ 187.311414][ C0] trace_hardirqs_on_prepare+0x193/0x1f0
[ 187.311431][ C0] irqentry_exit+0x4b/0x70
[ 187.311446][ C0] asm_sysvec_irq_work+0x16/0x20
[ 187.311462][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480
[ 187.311479][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
[ 187.311492][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000206
[ 187.311504][ C0] RAX: 70f5782e74b95700 RBX: 1ffff92000000f90 RCX: 70f5782e74b95700
[ 187.311515][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
[ 187.311527][ C0] RBP: ffffc90000007d28 R08: dffffc0000000000 R09: ffffed1017207662
[ 187.311539][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c120b00
[ 187.311550][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[ 187.311569][ C0] ? __rcu_read_unlock+0xd0/0xd0
[ 187.311585][ C0] ? perf_trace_preemptirq_template+0x2be/0x380
[ 187.311605][ C0] __rcu_read_unlock+0x78/0xd0
[ 187.311620][ C0] rebalance_domains+0xa51/0xb80
[ 187.311642][ C0] handle_softirqs+0x328/0x820
[ 187.311659][ C0] ? __irq_exit_rcu+0x12f/0x220
[ 187.311676][ C0] ? do_softirq+0x200/0x200
[ 187.311692][ C0] ? irqtime_account_irq+0xb2/0x1b0
[ 187.311709][ C0] __irq_exit_rcu+0x12f/0x220
[ 187.311724][ C0] ? irq_exit_rcu+0x20/0x20
[ 187.311742][ C0] irq_exit_rcu+0x5/0x20
[ 187.311755][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 187.311771][ C0]
[ 187.311775][ C0]
[ 187.311780][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 187.311796][ C0] RIP: 0010:default_idle+0xb/0x10
[ 187.311815][ C0] Code: bf 48 89 df e8 86 f5 09 f8 eb b5 e8 3f b0 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d f7 83 53 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
[ 187.311827][ C0] RSP: 0018:ffffffff8be07dc8 EFLAGS: 000002c6
[ 187.311839][ C0] RAX: 70f5782e74b95700 RBX: ffffffff8bebc3c0 RCX: 70f5782e74b95700
[ 187.311850][ C0] RDX: 0000000000000001 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
[ 187.311861][ C0] RBP: ffffffff8be07ef8 R08: dffffc0000000000 R09: ffffed1017207662
[ 187.311873][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8d6991e8
[ 187.311884][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff17d7878
[ 187.311901][ C0] default_idle_call+0x81/0xc0
[ 187.311918][ C0] do_idle+0x21b/0x5b0
[ 187.311936][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 187.311953][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 187.311977][ C0] cpu_startup_entry+0x14/0x20
[ 187.311993][ C0] ? time_init+0x40/0x40
[ 187.312010][ C0] start_kernel+0x486/0x530
[ 187.312028][ C0] secondary_startup_64_no_verify+0xb1/0xbb
[ 187.312057][ C0]
[ 187.312064][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.328 msecs
[ 187.312732][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g5297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 187.861598][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=1908
[ 187.869427][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g5297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 187.880732][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 187.890719][ C1] rcu: RCU grace-period kthread stack dump:
[ 187.896638][ C1] task:rcu_preempt state:I stack:27008 pid: 15 ppid: 2 flags:0x00004000
[ 187.905875][ C1] Call Trace:
[ 187.909184][ C1]
[ 187.912147][ C1] __schedule+0x11bb/0x4390
[ 187.916685][ C1] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 187.922098][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 187.928212][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 187.934176][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 187.940095][ C1] ? _raw_spin_unlock+0x40/0x40
[ 187.944963][ C1] ? rcu_is_watching+0x11/0xa0
[ 187.949748][ C1] ? release_firmware_map_entry+0x190/0x190
[ 187.955677][ C1] schedule+0x11b/0x1e0
[ 187.959860][ C1] schedule_timeout+0x15c/0x280
[ 187.964730][ C1] ? console_conditional_schedule+0x40/0x40
[ 187.970649][ C1] ? update_process_times+0x200/0x200
[ 187.976062][ C1] ? prepare_to_swait_event+0x331/0x350
[ 187.981647][ C1] rcu_gp_fqs_loop+0x29e/0x11b0
[ 187.986611][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 187.991862][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 187.997082][ C1] ? rcu_gp_init+0xd58/0x10e0
[ 188.001779][ C1] ? rcu_gp_init+0x10e0/0x10e0
[ 188.006558][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 188.011774][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 188.017077][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 188.022300][ C1] rcu_gp_kthread+0x98/0x350
[ 188.026906][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 188.032537][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 188.038459][ C1] ? __kthread_parkme+0x157/0x1b0
[ 188.043505][ C1] kthread+0x436/0x520
[ 188.047587][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 188.052708][ C1] ? kthread_blkcg+0xd0/0xd0
[ 188.057317][ C1] ret_from_fork+0x1f/0x30
[ 188.061764][ C1]
[ 188.064797][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 188.071122][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 188.076343][ C0] NMI backtrace for cpu 0
[ 188.076353][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[ 188.076367][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 188.076376][ C0] RIP: 0010:rcu_lockdep_current_cpu_online+0x4/0x130
[ 188.076396][ C0] Code: 8c e8 40 05 97 02 eb 93 89 d9 80 e1 07 38 c1 7c c2 48 89 df e8 8d 82 58 00 eb b8 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 <41> 54 53 65 8b 0d ea be 9e 7e b0 01 f7 c1 00 00 f0 00 0f 85 e2 00
[ 188.076409][ C0] RSP: 0018:ffffc90000007438 EFLAGS: 00000002
[ 188.076423][ C0] RAX: 0000000000006201 RBX: 0000000000000000 RCX: 70f5782e74b95700
[ 188.076434][ C0] RDX: 0000000000000100 RSI: ffffffff8a59a460 RDI: ffffffff8a59a420
[ 188.076445][ C0] RBP: ffffc90000007590 R08: dffffc0000000000 R09: fffffbfff1ff7819
[ 188.076457][ C0] R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: 1ffff92000000e9c
[ 188.076469][ C0] R13: 0000000000000008 R14: ffffc900000075e0 R15: ffffc90000007800
[ 188.076480][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 188.076493][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 188.076504][ C0] CR2: 0000555573876ce8 CR3: 0000000077521000 CR4: 00000000003506f0
[ 188.076518][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 188.076527][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 188.076536][ C0] Call Trace:
[ 188.076542][ C0]
[ 188.076548][ C0] rcu_read_lock_held+0x1a/0x40
[ 188.076566][ C0] perf_output_begin_forward+0x1a6/0xa30
[ 188.076586][ C0] ? kvm_is_in_guest+0x24/0x30
[ 188.076606][ C0] ? perf_prepare_sample+0x1680/0x1cb0
[ 188.076624][ C0] ? __perf_cgroup_move+0x140/0x140
[ 188.076643][ C0] ? perf_callchain+0x190/0x190
[ 188.076662][ C0] perf_event_output_forward+0x15c/0x280
[ 188.076679][ C0] ? perf_get_page_size+0x420/0x420
[ 188.076698][ C0] ? serial8250_console_write+0xc52/0xf80
[ 188.076719][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 188.076736][ C0] __perf_event_overflow+0x364/0x530
[ 188.076755][ C0] perf_swevent_event+0x4ad/0x530
[ 188.076773][ C0] perf_tp_event+0x32c/0xb50
[ 188.076791][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[ 188.076820][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 188.076839][ C0] ? _raw_spin_unlock+0x40/0x40
[ 188.076865][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 188.076884][ C0] perf_trace_preemptirq_template+0x2be/0x380
[ 188.076904][ C0] ? irqentry_exit+0x4b/0x70
[ 188.076922][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270
[ 188.076941][ C0] ? __irq_exit_rcu+0x13b/0x220
[ 188.076956][ C0] ? irq_exit_rcu+0x20/0x20
[ 188.076972][ C0] ? irqentry_exit+0x4b/0x70
[ 188.076988][ C0] trace_hardirqs_on_prepare+0x193/0x1f0
[ 188.077006][ C0] irqentry_exit+0x4b/0x70
[ 188.077027][ C0] asm_sysvec_irq_work+0x16/0x20
[ 188.077043][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480
[ 188.077059][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
[ 188.077072][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000206
[ 188.077084][ C0] RAX: 70f5782e74b95700 RBX: 1ffff92000000f90 RCX: 70f5782e74b95700
[ 188.077095][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
[ 188.077107][ C0] RBP: ffffc90000007d28 R08: dffffc0000000000 R09: ffffed1017207662
[ 188.077119][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c120b00
[ 188.077130][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[ 188.077150][ C0] ? __rcu_read_unlock+0xd0/0xd0
[ 188.077167][ C0] ? perf_trace_preemptirq_template+0x2be/0x380
[ 188.077187][ C0] __rcu_read_unlock+0x78/0xd0
[ 188.077203][ C0] rebalance_domains+0xa51/0xb80
[ 188.077226][ C0] handle_softirqs+0x328/0x820
[ 188.077243][ C0] ? __irq_exit_rcu+0x12f/0x220
[ 188.077260][ C0] ? do_softirq+0x200/0x200
[ 188.077277][ C0] ? irqtime_account_irq+0xb2/0x1b0
[ 188.077296][ C0] __irq_exit_rcu+0x12f/0x220
[ 188.077311][ C0] ? irq_exit_rcu+0x20/0x20
[ 188.077331][ C0] irq_exit_rcu+0x5/0x20
[ 188.077344][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 188.077361][ C0]
[ 188.077365][ C0]
[ 188.077370][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 188.077386][ C0] RIP: 0010:default_idle+0xb/0x10
[ 188.077403][ C0] Code: bf 48 89 df e8 86 f5 09 f8 eb b5 e8 3f b0 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d f7 83 53 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
[ 188.077416][ C0] RSP: 0018:ffffffff8be07dc8 EFLAGS: 000002c6
[ 188.077427][ C0] RAX: 70f5782e74b95700 RBX: ffffffff8bebc3c0 RCX: 70f5782e74b95700
[ 188.077439][ C0] RDX: 0000000000000001 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
[ 188.077450][ C0] RBP: ffffffff8be07ef8 R08: dffffc0000000000 R09: ffffed1017207662
[ 188.077462][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8d6991e8
[ 188.077473][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff17d7878
[ 188.077491][ C0] default_idle_call+0x81/0xc0
[ 188.077509][ C0] do_idle+0x21b/0x5b0
[ 188.077528][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 188.077546][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 188.077571][ C0] cpu_startup_entry+0x14/0x20
[ 188.077587][ C0] ? time_init+0x40/0x40
[ 188.077604][ C0] start_kernel+0x486/0x530
[ 188.077622][ C0] secondary_startup_64_no_verify+0xb1/0xbb
[ 188.077647][ C0]
[ 189.143000][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10687 jiffies s: 477 root: 0x1/.
[ 189.155278][ T21] rcu: blocking rcu_node structures (internal RCU debug):
[ 189.162429][ T21] Task dump for CPU 0:
[ 189.166566][ T21] task:swapper/0 state:R running task stack:27880 pid: 0 ppid: 0 flags:0x00004008
[ 189.177435][ T21] Call Trace:
[ 189.180732][ T21]
[ 189.183755][ T21] ? perf_trace_run_bpf_submit+0xf3/0x1c0
[ 189.189515][ T21] ? rcu_is_watching+0x11/0xa0
[ 189.194346][ T21] ? trace_hardirqs_off_finish+0xca/0x1f0
[ 189.200103][ T21] ? sysvec_apic_timer_interrupt+0x80/0xc0
[ 189.206003][ T21] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 189.212198][ T21] ? default_idle+0xb/0x10
[ 189.216672][ T21] ? default_idle_call+0x81/0xc0
[ 189.221677][ T21] ? do_idle+0x21b/0x5b0
[ 189.226002][ T21] ? idle_inject_timer_fn+0x60/0x60
[ 189.231245][ T21] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 189.237210][ T21] ? cpu_startup_entry+0x14/0x20
[ 189.242182][ T21] ? time_init+0x40/0x40
[ 189.246493][ T21] ? start_kernel+0x486/0x530
[ 189.251195][ T21] ? secondary_startup_64_no_verify+0xb1/0xbb
[ 189.257335][ T21]