Warning: Permanently added '10.128.1.46' (ED25519) to the list of known hosts.
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[   81.815242][  T127] cfg80211: failed to load regulatory.db
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[  152.873763][  T127] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2651 jiffies s: 4145 root: 0x2/.
[  152.886661][  T127] rcu: blocking rcu_node structures (internal RCU debug):
[  152.894091][  T127] Sending NMI from CPU 0 to CPUs 1:
[  152.899344][    C1] NMI backtrace for cpu 1
[  152.899354][    C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
[  152.899369][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  152.899377][    C1] RIP: 0010:__lock_acquire+0x19cf/0x7d10
[  152.899415][    C1] Code: d8 00 00 00 42 80 3c 00 00 74 12 4c 89 ff e8 48 03 6f 00 49 b8 00 00 00 00 00 fc ff df 4d 89 37 48 8b 44 24 70 42 0f b6 04 00 <84> c0 0f 85 44 52 00 00 8b 03 ff c0 89 03 83 f8 30 0f 83 c5 40 00
[  152.899427][    C1] RSP: 0018:ffffc900001dfc40 EFLAGS: 00000046
[  152.899441][    C1] RAX: 0000000000000000 RBX: ffff888017732898 RCX: 0000000000000000
[  152.899450][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90af5240
[  152.899467][    C1] RBP: ffffc900001dfe90 R08: dffffc0000000000 R09: 1ffffffff215ea48
[  152.899477][    C1] R10: dffffc0000000000 R11: fffffbfff215ea49 R12: d033492917843683
[  152.899487][    C1] R13: 00000000632d906a R14: d033492917843683 R15: ffff888017732890
[  152.899497][    C1] FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  152.899509][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.899519][    C1] CR2: 00007fb428e8b3e0 CR3: 000000002a671000 CR4: 00000000003506e0
[  152.899533][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  152.899541][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  152.899550][    C1] Call Trace:
[  152.899556][    C1]  <IRQ>
[  152.899572][    C1]  ? verify_lock_unused+0x140/0x140
[  152.899593][    C1]  ? mark_lock+0x94/0x320
[  152.899612][    C1]  ? __lock_acquire+0x12f4/0x7d10
[  152.899629][    C1]  ? verify_lock_unused+0x140/0x140
[  152.899648][    C1]  lock_acquire+0x1bb/0x4a0
[  152.899665][    C1]  ? __virt_addr_valid+0x188/0x540
[  152.899687][    C1]  ? read_lock_is_recursive+0x10/0x10
[  152.899705][    C1]  ? verify_lock_unused+0x140/0x140
[  152.899722][    C1]  ? llist_add_batch+0x12b/0x180
[  152.899739][    C1]  ? find_next_clump8+0x1a0/0x1a0
[  152.899753][    C1]  ? __virt_addr_valid+0x188/0x540
[  152.899770][    C1]  __virt_addr_valid+0x1a5/0x540
[  152.899787][    C1]  ? __virt_addr_valid+0x188/0x540
[  152.899804][    C1]  kasan_addr_to_slab+0x9/0xc0
[  152.899822][    C1]  __kasan_record_aux_stack+0xf/0xc0
[  152.899836][    C1]  irq_work_queue_on+0x10f/0x260
[  152.899856][    C1]  rcu_read_unlock_special+0x3c9/0x510
[  152.899873][    C1]  ? __rcu_read_unlock+0xd0/0xd0
[  152.899887][    C1]  ? __cant_sleep+0x220/0x220
[  152.899902][    C1]  __rcu_read_unlock+0x78/0xd0
[  152.899914][    C1]  ? trace_call_bpf+0xbf/0x6b0
[  152.899932][    C1]  trace_call_bpf+0x5bb/0x6b0
[  152.899949][    C1]  ? trace_call_bpf+0xbf/0x6b0
[  152.899968][    C1]  ? __bpf_trace_bpf_trace_printk+0x20/0x20
[  152.899987][    C1]  ? kvm_sched_clock_read+0x14/0x40
[  152.900000][    C1]  ? sched_clock_cpu+0x6e/0x260
[  152.900017][    C1]  perf_trace_run_bpf_submit+0x79/0x1c0
[  152.900039][    C1]  perf_trace_preemptirq_template+0x268/0x320
[  152.900058][    C1]  ? irqentry_exit+0x4b/0x70
[  152.900079][    C1]  ? trace_event_raw_event_preemptirq_template+0x1f0/0x1f0
[  152.900097][    C1]  ? __irq_exit_rcu+0x147/0x230
[  152.900110][    C1]  ? irq_exit_rcu+0x20/0x20
[  152.900124][    C1]  ? irqentry_exit+0x4b/0x70
[  152.900137][    C1]  trace_hardirqs_on_prepare+0x146/0x190
[  152.900155][    C1]  irqentry_exit+0x4b/0x70
[  152.900167][    C1]  asm_sysvec_irq_work+0x16/0x20
[  152.900182][    C1] RIP: 0010:rcu_read_unlock_special+0x7f/0x510
[  152.900197][    C1] Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 92 31 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
[  152.900207][    C1] RSP: 0018:ffffc900001e04e0 EFLAGS: 00000206
[  152.900218][    C1] RAX: 1f28b2b8bbbcd200 RBX: 1ffff9200003c0a4 RCX: 1f28b2b8bbbcd200
[  152.900227][    C1] RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0de0
[  152.900237][    C1] RBP: ffffc900001e05d0 R08: ffffffff90af5307 R09: 1ffffffff215ea60
[  152.900246][    C1] R10: dffffc0000000000 R11: fffffbfff215ea61 R12: 0000000000000246
[  152.900255][    C1] R13: dffffc0000000000 R14: ffff8880b8f3b900 R15: 0000000000000002
[  152.900273][    C1]  ? __rcu_read_unlock+0xd0/0xd0
[  152.900287][    C1]  ? packet_rcv+0x167/0x13d0
[  152.900309][    C1]  __rcu_read_unlock+0x78/0xd0
[  152.900322][    C1]  ? dev_queue_xmit_nit+0x29/0xbb0
[  152.900336][    C1]  dev_queue_xmit_nit+0xa80/0xbb0
[  152.900350][    C1]  ? dev_queue_xmit_nit+0x29/0xbb0
[  152.900365][    C1]  dev_hard_start_xmit+0x154/0x870
[  152.900385][    C1]  sch_direct_xmit+0x25a/0x4b0
[  152.900403][    C1]  ? mrp_pdu_parse_vecattr_event+0x230/0x230
[  152.900418][    C1]  ? __alloc_skb+0x22a/0x7e0
[  152.900435][    C1]  ? call_timer_fn+0x160/0x670
[  152.900449][    C1]  ? __run_timers+0x53e/0x800
[  152.900471][    C1]  __dev_queue_xmit+0x1771/0x37f0
[  152.900489][    C1]  ? __dev_queue_xmit+0x26b/0x37f0
[  152.900505][    C1]  ? netdev_core_pick_tx+0x340/0x340
[  152.900523][    C1]  ? __kmem_cache_alloc_node+0x140/0x260
[  152.900538][    C1]  ? eth_header+0x117/0x200
[  152.900551][    C1]  ? memcpy+0x3c/0x60
[  152.900563][    C1]  ? eth_header+0xf0/0x200
[  152.900576][    C1]  ? llc_sysctl_exit+0x60/0x60
[  152.900588][    C1]  ? lapbeth_data_transmit+0x1f0/0x2a0
[  152.900603][    C1]  ? lapbeth_data_indication+0x3e0/0x3e0
[  152.900616][    C1]  lapb_data_transmit+0x86/0xa0
[  152.900634][    C1]  lapb_transmit_buffer+0x15f/0x1f0
[  152.900651][    C1]  lapb_t1timer_expiry+0x652/0xa70
[  152.900670][    C1]  call_timer_fn+0x1ac/0x670
[  152.900683][    C1]  ? lapb_start_t1timer+0xf0/0xf0
[  152.900698][    C1]  ? call_timer_fn+0xcf/0x670
[  152.900711][    C1]  ? __run_timers+0x800/0x800
[  152.900726][    C1]  ? _raw_spin_unlock_irq+0x1f/0x40
[  152.900740][    C1]  ? _raw_spin_unlock_irq+0x1f/0x40
[  152.900752][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  152.900764][    C1]  ? lapb_start_t1timer+0xf0/0xf0
[  152.900780][    C1]  __run_timers+0x53e/0x800
[  152.900798][    C1]  ? detach_timer+0x350/0x350
[  152.900813][    C1]  ? lock_chain_count+0x20/0x20
[  152.900832][    C1]  run_timer_softirq+0x63/0xf0
[  152.900846][    C1]  handle_softirqs+0x2a1/0x930
[  152.900861][    C1]  ? __irq_exit_rcu+0x13b/0x230
[  152.900876][    C1]  ? do_softirq+0x210/0x210
[  152.900889][    C1]  ? irqtime_account_irq+0xb2/0x1b0
[  152.900903][    C1]  __irq_exit_rcu+0x13b/0x230
[  152.900916][    C1]  ? irq_exit_rcu+0x20/0x20
[  152.900932][    C1]  irq_exit_rcu+0x5/0x20
[  152.900943][    C1]  sysvec_apic_timer_interrupt+0xa0/0xc0
[  152.900964][    C1]  </IRQ>
[  152.900968][    C1]  <TASK>
[  152.900972][    C1]  asm_sysvec_apic_timer_interrupt+0x16/0x20
[  152.900988][    C1] RIP: 0010:default_idle+0xb/0x10
[  152.901007][    C1] Code: 48 89 df e8 27 c3 9c f7 e9 44 ff ff ff e8 3d 07 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 66 90 0f 00 2d 77 0c 50 00 fb f4 <c3> 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
[  152.901017][    C1] RSP: 0018:ffffc90000177de8 EFLAGS: 000002c6
[  152.901027][    C1] RAX: 1f28b2b8bbbcd200 RBX: ffffffff8a36a2b7 RCX: 1f28b2b8bbbcd200
[  152.901037][    C1] RDX: 0000000000000001 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0de0
[  152.901045][    C1] RBP: ffffc90000177f20 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
[  152.901055][    C1] R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 1ffff9200002efc8
[  152.901064][    C1] R13: dffffc0000000000 R14: ffff888017731dc0 R15: 0000000000000001
[  152.901075][    C1]  ? default_idle_call+0x77/0xc0
[  152.901098][    C1]  default_idle_call+0x84/0xc0
[  152.901116][    C1]  do_idle+0x20d/0x5a0
[  152.901136][    C1]  ? idle_inject_timer_fn+0x60/0x60
[  152.901155][    C1]  ? asm_sysvec_call_function_single+0x16/0x20
[  152.901173][    C1]  ? schedule_idle+0x57/0x90
[  152.901191][    C1]  cpu_startup_entry+0x3f/0x60
[  152.901209][    C1]  start_secondary+0xe4/0xf0
[  152.901225][    C1]  secondary_startup_64_no_verify+0xcf/0xdb
[  152.901248][    C1]  </TASK>
[  152.901254][    C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.911 msecs