Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 86.790665][ T128] cfg80211: failed to load regulatory.db [ 101.538561][ T27] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2673 jiffies s: 585 root: 0x1/. [ 101.551234][ T27] rcu: blocking rcu_node structures (internal RCU debug): [ 101.559765][ T27] Sending NMI from CPU 1 to CPUs 0: [ 101.565043][ C0] NMI backtrace for cpu 0 [ 101.565070][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 [ 101.565104][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 101.565113][ C0] RIP: 0010:check_preemption_disabled+0x47/0x110 [ 101.565158][ C0] Code: d4 75 65 8b 0d 52 95 d4 75 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b <41> 5e 41 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 [ 101.565172][ C0] RSP: 0018:ffffc900000073e0 EFLAGS: 00000086 [ 101.565188][ C0] RAX: 0000000000000000 RBX: ffffffff8c8bd218 RCX: 18671e90d3949100 [ 101.565201][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c2220 RDI: ffffffff8adf0d20 [ 101.565236][ C0] RBP: ffffc900000074c0 R08: ffffffff8e1fdeef R09: 1ffffffff1c3fbdd [ 101.565250][ C0] R10: dffffc0000000000 R11: fffffbfff1c3fbde R12: ffffffff8c8bd290 [ 101.565263][ C0] R13: 0000000000000002 R14: 1ffffffff1917a43 R15: ffffffff8c8bd200 [ 101.565275][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 101.565291][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.565303][ C0] CR2: 00005555599a2348 CR3: 0000000074b19000 CR4: 00000000003506f0 [ 101.565319][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.565329][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.565340][ C0] Call Trace: [ 101.565351][ C0] [ 101.565359][ C0] lockdep_hardirqs_on_prepare+0x409/0x770 [ 101.565387][ C0] ? lock_chain_count+0x20/0x20 [ 101.565412][ C0] ? rcu_is_watching+0x11/0xa0 [ 101.565440][ C0] irqentry_exit+0x50/0x70 [ 101.565457][ C0] asm_sysvec_irq_work+0x16/0x20 [ 101.565480][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x510 [ 101.565499][ C0] 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 d2 33 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 [ 101.565513][ C0] RSP: 0018:ffffc90000007580 EFLAGS: 00000206 [ 101.565526][ C0] RAX: 18671e90d3949100 RBX: 1ffff92000000eb8 RCX: 18671e90d3949100 [ 101.565539][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c10a0 RDI: ffffffff8adf0d20 [ 101.565552][ C0] RBP: ffffc90000007670 R08: ffff8880b8e3580b R09: 1ffff110171c6b01 [ 101.565564][ C0] R10: dffffc0000000000 R11: ffffed10171c6b02 R12: 0000000000000246 [ 101.565576][ C0] R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001 [ 101.565599][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 101.565615][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 101.565634][ C0] ? arch_call_rest_init+0xa/0xa [ 101.565662][ C0] __rcu_read_unlock+0x78/0xd0 [ 101.565679][ C0] ? arch_call_rest_init+0xa/0xa [ 101.565697][ C0] is_bpf_text_address+0x27a/0x2a0 [ 101.565714][ C0] ? is_bpf_text_address+0x22/0x2a0 [ 101.565729][ C0] ? arch_call_rest_init+0xa/0xa [ 101.565749][ C0] kernel_text_address+0x9c/0xd0 [ 101.565772][ C0] ? arch_call_rest_init+0xa/0xa [ 101.565791][ C0] __kernel_text_address+0x9/0x30 [ 101.565813][ C0] unwind_get_return_address+0x49/0x80 [ 101.565834][ C0] ? stack_trace_save+0xf0/0xf0 [ 101.565855][ C0] arch_stack_walk+0xf2/0x140 [ 101.565879][ C0] ? arch_call_rest_init+0xa/0xa [ 101.565899][ C0] stack_trace_save+0xa6/0xf0 [ 101.565921][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 101.565942][ C0] ? __lock_acquire+0x12f4/0x7d10 [ 101.565970][ C0] kasan_set_track+0x4b/0x70 [ 101.565995][ C0] ? kasan_set_track+0x4b/0x70 [ 101.566017][ C0] ? kasan_save_free_info+0x2d/0x50 [ 101.566032][ C0] ? ____kasan_slab_free+0x126/0x1e0 [ 101.566056][ C0] ? slab_free_freelist_hook+0x131/0x1a0 [ 101.566077][ C0] ? kmem_cache_free+0xf7/0x290 [ 101.566113][ C0] ? rcu_core+0xa99/0x1740 [ 101.566131][ C0] ? handle_softirqs+0x2a1/0x930 [ 101.566147][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 101.566162][ C0] ? irq_exit_rcu+0x5/0x20 [ 101.566177][ C0] ? sysvec_apic_timer_interrupt+0xa0/0xc0 [ 101.566195][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 101.566224][ C0] ? default_idle+0xb/0x10 [ 101.566241][ C0] ? default_idle_call+0x84/0xc0 [ 101.566257][ C0] ? do_idle+0x3a2/0x680 [ 101.566282][ C0] ? cpu_startup_entry+0x3f/0x60 [ 101.566308][ C0] ? rest_init+0x2dc/0x300 [ 101.566344][ C0] ? kmem_cache_free+0xf7/0x290 [ 101.566363][ C0] kasan_save_free_info+0x2d/0x50 [ 101.566379][ C0] ____kasan_slab_free+0x126/0x1e0 [ 101.566406][ C0] slab_free_freelist_hook+0x131/0x1a0 [ 101.566430][ C0] ? rcu_core+0xa99/0x1740 [ 101.566448][ C0] kmem_cache_free+0xf7/0x290 [ 101.566469][ C0] ? inode_unpin_lru_isolating+0xb0/0xb0 [ 101.566493][ C0] ? rcu_core+0xa29/0x1740 [ 101.566511][ C0] rcu_core+0xa99/0x1740 [ 101.566539][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 101.566558][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 101.566590][ C0] ? rebalance_domains+0x8eb/0xa10 [ 101.566617][ C0] ? rebalance_domains+0x132/0xa10 [ 101.566645][ C0] handle_softirqs+0x2a1/0x930 [ 101.566666][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 101.566685][ C0] ? do_softirq+0x210/0x210 [ 101.566704][ C0] ? irqtime_account_irq+0xb2/0x1b0 [ 101.566722][ C0] __irq_exit_rcu+0x13b/0x230 [ 101.566739][ C0] ? irq_exit_rcu+0x20/0x20 [ 101.566761][ C0] irq_exit_rcu+0x5/0x20 [ 101.566776][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 101.566795][ C0] [ 101.566799][ C0] [ 101.566805][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 101.566828][ C0] RIP: 0010:default_idle+0xb/0x10 [ 101.566846][ C0] Code: 48 89 df e8 47 c2 9b 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 57 eb 4e 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 101.566860][ C0] RSP: 0018:ffffffff8c807d88 EFLAGS: 000002c6 [ 101.566873][ C0] RAX: 18671e90d3949100 RBX: ffffffff8a37c257 RCX: 18671e90d3949100 [ 101.566887][ C0] RDX: 0000000000000001 RSI: ffffffff8a8c10a0 RDI: ffffffff8adf0d20 [ 101.566900][ C0] RBP: ffffffff8c807ec0 R08: ffff8880b8e3580b R09: 1ffff110171c6b01 [ 101.566913][ C0] R10: dffffc0000000000 R11: ffffed10171c6b02 R12: 0000000000000000 [ 101.566925][ C0] R13: dffffc0000000000 R14: ffffffff8c8bc740 R15: 1ffffffff1900fbc [ 101.566941][ C0] ? default_idle_call+0x77/0xc0 [ 101.566964][ C0] default_idle_call+0x84/0xc0 [ 101.566981][ C0] do_idle+0x3a2/0x680 [ 101.567009][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 101.567034][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 101.567054][ C0] ? __sched_text_start+0x8/0x8 [ 101.567079][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.567098][ C0] ? _raw_spin_unlock+0x40/0x40 [ 101.567121][ C0] cpu_startup_entry+0x3f/0x60 [ 101.567147][ C0] rest_init+0x2dc/0x300 [ 101.567165][ C0] ? time_init+0x33/0x33 [ 101.567183][ C0] arch_call_rest_init+0xa/0xa [ 101.567223][ C0] start_kernel+0x493/0x53c [ 101.567244][ C0] secondary_startup_64_no_verify+0xcf/0xdb [ 101.567275][ C0] [ 101.567281][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.238 msecs