Warning: Permanently added '10.128.1.165' (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 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 [ 86.547622][ T1110] cfg80211: failed to load regulatory.db 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 [ 194.272761][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 194.279900][ C1] rcu: 0-...!: (1 ticks this GP) idle=08d/0/0x3 softirq=6704/6704 fqs=0 [ 194.288888][ C1] (detected by 1, t=10502 jiffies, g=7373, q=145) [ 194.295445][ C1] Sending NMI from CPU 1 to CPUs 0: [ 194.300679][ C0] NMI backtrace for cpu 0 [ 194.300703][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 [ 194.300720][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 194.300737][ C0] RIP: 0010:__lock_acquire+0xe25/0x7d40 [ 194.300782][ C0] Code: 3f 85 c9 0f 49 c1 c1 f8 06 48 98 48 89 cb 48 8d 3c c5 c0 50 01 91 be 08 00 00 00 e8 35 68 61 00 49 b8 00 00 00 00 00 fc ff df <48> 63 c3 48 0f a3 05 f0 4e a4 0f 0f 83 54 0a 00 00 4d 89 fc 49 8d [ 194.300797][ C0] RSP: 0018:ffffc90000007220 EFLAGS: 00000056 [ 194.300812][ C0] RAX: 0000000000000001 RBX: 0000000000000015 RCX: ffffffff815d01bb [ 194.300825][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff910150c0 [ 194.300837][ C0] RBP: ffffc90000007468 R08: dffffc0000000000 R09: 1ffffffff2202a18 [ 194.300850][ C0] R10: dffffc0000000000 R11: fffffbfff2202a19 R12: ffffffff8cebcf54 [ 194.300863][ C0] R13: ffffffff8cebc480 R14: ffffffff8cebcf98 R15: ffffffff8cebcfb8 [ 194.300877][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 194.300892][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 194.300904][ C0] CR2: 000055556c172328 CR3: 000000007d675000 CR4: 00000000003506f0 [ 194.300920][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 194.300930][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 194.300941][ C0] Call Trace: [ 194.300947][ C0] [ 194.300956][ C0] ? mark_lock+0x94/0x320 [ 194.300973][ C0] ? verify_lock_unused+0x140/0x140 [ 194.301001][ C0] ? verify_lock_unused+0x140/0x140 [ 194.301024][ C0] ? rcu_lock_release+0x5/0x40 [ 194.301044][ C0] ? llist_add_batch+0x85/0xa0 [ 194.301066][ C0] lock_acquire+0x19f/0x400 [ 194.301085][ C0] ? rcu_lock_acquire+0x9/0x30 [ 194.301108][ C0] ? rcu_lock_release+0x9/0x20 [ 194.301127][ C0] ? read_lock_is_recursive+0x10/0x10 [ 194.301148][ C0] ? __lock_acquire+0x7d40/0x7d40 [ 194.301170][ C0] ? rcu_lock_release+0x9/0x20 [ 194.301190][ C0] rcu_lock_acquire+0x2a/0x30 [ 194.301209][ C0] ? rcu_lock_acquire+0x9/0x30 [ 194.301227][ C0] perf_event_output_forward+0xbc/0x2e0 [ 194.301247][ C0] ? perf_get_page_size+0x430/0x430 [ 194.301266][ C0] ? perf_event_output_forward+0x261/0x2e0 [ 194.301285][ C0] ? perf_get_page_size+0x430/0x430 [ 194.301303][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 194.301332][ C0] __perf_event_overflow+0x35f/0x550 [ 194.301353][ C0] perf_swevent_event+0x4b8/0x540 [ 194.301373][ C0] perf_tp_event+0x324/0xbe0 [ 194.301393][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 194.301412][ C0] ? perf_tp_event+0xa7e/0xbe0 [ 194.301448][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 194.301470][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 194.301492][ C0] ? irqentry_exit+0x4b/0x70 [ 194.301514][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 194.301536][ C0] ? __irq_exit_rcu+0x147/0x230 [ 194.301553][ C0] ? irq_exit_rcu+0x20/0x20 [ 194.301570][ C0] ? irqentry_exit+0x4b/0x70 [ 194.301586][ C0] trace_hardirqs_on_prepare+0x193/0x1f0 [ 194.301606][ C0] irqentry_exit+0x4b/0x70 [ 194.301621][ C0] asm_sysvec_irq_work+0x16/0x20 [ 194.301642][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 194.301662][ 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 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 194.301675][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000206 [ 194.301689][ C0] RAX: fa89e7622c892900 RBX: 1ffff92000000f90 RCX: fa89e7622c892900 [ 194.301703][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 [ 194.301716][ C0] RBP: ffffc90000007d30 R08: ffff8880b8e3b30b R09: 1ffff110171c7661 [ 194.301729][ C0] R10: dffffc0000000000 R11: ffffed10171c7662 R12: ffffffff8d123400 [ 194.301742][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 194.301762][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 194.301784][ C0] __rcu_read_unlock+0x78/0xd0 [ 194.301802][ C0] rebalance_domains+0x88d/0x9b0 [ 194.301828][ C0] handle_softirqs+0x336/0x830 [ 194.301847][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 194.301866][ C0] ? do_softirq+0x210/0x210 [ 194.301882][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 194.301904][ C0] ? irqtime_account_irq+0xb2/0x1b0 [ 194.301925][ C0] __irq_exit_rcu+0x13b/0x230 [ 194.301942][ C0] ? irq_exit_rcu+0x20/0x20 [ 194.301962][ C0] irq_exit_rcu+0x5/0x20 [ 194.301978][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 194.302000][ C0] [ 194.302005][ C0] [ 194.302010][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 194.302030][ C0] RIP: 0010:default_idle+0xb/0x10 [ 194.302049][ C0] Code: b7 48 89 df e8 76 fc f2 f7 eb ad e8 6f aa f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d b7 61 5a 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 194.302062][ C0] RSP: 0018:ffffffff8ce07dc8 EFLAGS: 000002c6 [ 194.302076][ C0] RAX: fa89e7622c892900 RBX: ffffffff8cebc480 RCX: fa89e7622c892900 [ 194.302089][ C0] RDX: 0000000000000001 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 [ 194.302101][ C0] RBP: ffffffff8ce07ef8 R08: ffff8880b8e3b30b R09: 1ffff110171c7661 [ 194.302114][ C0] R10: dffffc0000000000 R11: ffffed10171c7662 R12: 1ffffffff19c0fc4 [ 194.302127][ C0] R13: dffffc0000000000 R14: 1ffffffff19d7890 R15: 0000000000000000 [ 194.302146][ C0] default_idle_call+0x81/0xc0 [ 194.302164][ C0] do_idle+0x3a1/0x650 [ 194.302185][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 194.302205][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 194.302230][ C0] ? schedule_idle+0x57/0x90 [ 194.302247][ C0] cpu_startup_entry+0x14/0x20 [ 194.302266][ C0] ? time_init+0x40/0x40 [ 194.302282][ C0] start_kernel+0x489/0x540 [ 194.302304][ C0] secondary_startup_64_no_verify+0xb1/0xbb [ 194.302338][ C0] [ 194.302344][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.665 msecs [ 194.302682][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g7373 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 194.891108][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=4140 [ 194.898925][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7373 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 194.910232][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 194.920215][ C1] rcu: RCU grace-period kthread stack dump: [ 194.926144][ C1] task:rcu_preempt state:I stack:27632 pid: 15 ppid: 2 flags:0x00004000 [ 194.935375][ C1] Call Trace: [ 194.938666][ C1] [ 194.941628][ C1] __schedule+0x11c3/0x4350 [ 194.946167][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 194.952088][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 194.957323][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 194.963241][ C1] ? _raw_spin_unlock+0x40/0x40 [ 194.968117][ C1] ? rcu_is_watching+0x11/0xa0 [ 194.972910][ C1] ? release_firmware_map_entry+0x190/0x190 [ 194.978847][ C1] schedule+0x11b/0x1e0 [ 194.983024][ C1] schedule_timeout+0x184/0x2d0 [ 194.987896][ C1] ? console_conditional_schedule+0x40/0x40 [ 194.993817][ C1] ? update_process_times+0x200/0x200 [ 194.999230][ C1] ? prepare_to_swait_event+0x33d/0x360 [ 195.004805][ C1] rcu_gp_fqs_loop+0x2be/0x11f0 [ 195.009680][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 195.014998][ C1] ? rcu_gp_init+0xd72/0x10f0 [ 195.019701][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 195.024489][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 195.029708][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 195.034939][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 195.040167][ C1] rcu_gp_kthread+0x9a/0x370 [ 195.044788][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 195.049919][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 195.055843][ C1] ? __kthread_parkme+0x14e/0x1b0 [ 195.060896][ C1] kthread+0x42e/0x520 [ 195.064991][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 195.070126][ C1] ? kthread_blkcg+0xd0/0xd0 [ 195.074736][ C1] ret_from_fork+0x1f/0x30 [ 195.079191][ C1] [ 195.082256][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 195.088589][ C1] Sending NMI from CPU 1 to CPUs 0: [ 195.093814][ C0] NMI backtrace for cpu 0 [ 195.093823][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 [ 195.093837][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 195.093846][ C0] RIP: 0010:rcu_lock_release+0x19/0x20 [ 195.093869][ C0] Code: c9 68 e9 7d 9a 81 e8 56 70 c2 ff 48 83 c4 08 5b c3 53 48 89 fb e8 47 a5 de ff e8 42 a5 de ff 48 89 df 48 c7 c6 19 7e 9a 81 5b b2 f2 c2 ff 66 90 41 56 53 48 83 ec 10 89 f3 49 89 fe 65 48 8b [ 195.093882][ C0] RSP: 0018:ffffc900000075d8 EFLAGS: 00000046 [ 195.093896][ C0] RAX: ffffffff819a7e1e RBX: 0000000000000001 RCX: ffffffff8cebc480 [ 195.093908][ C0] RDX: 0000000000000100 RSI: ffffffff819a7e19 RDI: ffffffff8d11efa0 [ 195.093919][ C0] RBP: ffffc90000007700 R08: ffffffff8cebc487 R09: 1ffffffff19d7890 [ 195.093931][ C0] R10: dffffc0000000000 R11: fffffbfff19d7891 R12: 00000000ffffffe4 [ 195.093943][ C0] R13: 1ffff92000000ec0 R14: ffffc90000007680 R15: ffffc90000007840 [ 195.093955][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 195.093969][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.093979][ C0] CR2: 000055556c172328 CR3: 000000007d675000 CR4: 00000000003506f0 [ 195.093993][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.094002][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 195.094012][ C0] Call Trace: [ 195.094018][ C0] [ 195.094022][ C0] perf_event_output_forward+0x261/0x2e0 [ 195.094042][ C0] ? perf_get_page_size+0x430/0x430 [ 195.094061][ C0] ? io_serial_out+0x51/0xb0 [ 195.094081][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 195.094100][ C0] __perf_event_overflow+0x35f/0x550 [ 195.094119][ C0] perf_swevent_event+0x4b8/0x540 [ 195.094138][ C0] perf_tp_event+0x324/0xbe0 [ 195.094156][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 195.094173][ C0] ? __wake_up+0x11c/0x180 [ 195.094201][ C0] ? __wake_up_common+0x28e/0x4d0 [ 195.094222][ C0] ? __wake_up+0x11c/0x180 [ 195.094242][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 195.094261][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 195.094281][ C0] ? irqentry_exit+0x4b/0x70 [ 195.094295][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 195.094315][ C0] ? __irq_exit_rcu+0x147/0x230 [ 195.094330][ C0] ? irq_exit_rcu+0x20/0x20 [ 195.094346][ C0] ? irqentry_exit+0x4b/0x70 [ 195.094360][ C0] trace_hardirqs_on_prepare+0x193/0x1f0 [ 195.094379][ C0] irqentry_exit+0x4b/0x70 [ 195.094392][ C0] asm_sysvec_irq_work+0x16/0x20 [ 195.094411][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 195.094433][ 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 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 195.094446][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000206 [ 195.094458][ C0] RAX: fa89e7622c892900 RBX: 1ffff92000000f90 RCX: fa89e7622c892900 [ 195.094469][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 [ 195.094481][ C0] RBP: ffffc90000007d30 R08: ffff8880b8e3b30b R09: 1ffff110171c7661 [ 195.094493][ C0] R10: dffffc0000000000 R11: ffffed10171c7662 R12: ffffffff8d123400 [ 195.094505][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 195.094524][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 195.094546][ C0] __rcu_read_unlock+0x78/0xd0 [ 195.094561][ C0] rebalance_domains+0x88d/0x9b0 [ 195.094584][ C0] handle_softirqs+0x336/0x830 [ 195.094602][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 195.094631][ C0] ? do_softirq+0x210/0x210 [ 195.094645][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 195.094664][ C0] ? irqtime_account_irq+0xb2/0x1b0 [ 195.094683][ C0] __irq_exit_rcu+0x13b/0x230 [ 195.094698][ C0] ? irq_exit_rcu+0x20/0x20 [ 195.094717][ C0] irq_exit_rcu+0x5/0x20 [ 195.094730][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 195.094748][ C0] [ 195.094752][ C0] [ 195.094757][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 195.094775][ C0] RIP: 0010:default_idle+0xb/0x10 [ 195.094790][ C0] Code: b7 48 89 df e8 76 fc f2 f7 eb ad e8 6f aa f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d b7 61 5a 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 195.094802][ C0] RSP: 0018:ffffffff8ce07dc8 EFLAGS: 000002c6 [ 195.094813][ C0] RAX: fa89e7622c892900 RBX: ffffffff8cebc480 RCX: fa89e7622c892900 [ 195.094825][ C0] RDX: 0000000000000001 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 [ 195.094835][ C0] RBP: ffffffff8ce07ef8 R08: ffff8880b8e3b30b R09: 1ffff110171c7661 [ 195.094846][ C0] R10: dffffc0000000000 R11: ffffed10171c7662 R12: 1ffffffff19c0fc4 [ 195.094858][ C0] R13: dffffc0000000000 R14: 1ffffffff19d7890 R15: 0000000000000000 [ 195.094876][ C0] default_idle_call+0x81/0xc0 [ 195.094891][ C0] do_idle+0x3a1/0x650 [ 195.094910][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 195.094929][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 195.094950][ C0] ? schedule_idle+0x57/0x90 [ 195.094966][ C0] cpu_startup_entry+0x14/0x20 [ 195.094982][ C0] ? time_init+0x40/0x40 [ 195.094996][ C0] start_kernel+0x489/0x540 [ 195.095015][ C0] secondary_startup_64_no_verify+0xb1/0xbb [ 195.095040][ C0] [ 199.182817][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10992 jiffies s: 1705 root: 0x1/. [ 199.195064][ T21] rcu: blocking rcu_node structures (internal RCU debug): [ 199.202226][ T21] Task dump for CPU 0: [ 199.206348][ T21] task:swapper/0 state:R running task stack:27920 pid: 0 ppid: 0 flags:0x00004008 [ 199.217245][ T21] Call Trace: [ 199.220555][ T21] [ 199.223545][ T21] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 199.229836][ T21] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 199.235625][ T21] ? rcu_is_watching+0x11/0xa0 [ 199.240414][ T21] ? trace_hardirqs_off_finish+0xca/0x1f0 [ 199.246212][ T21] ? sysvec_apic_timer_interrupt+0x80/0xc0 [ 199.252048][ T21] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 199.258310][ T21] ? default_idle+0xb/0x10 [ 199.262857][ T21] ? default_idle_call+0x81/0xc0 [ 199.267825][ T21] ? do_idle+0x3a1/0x650 [ 199.272110][ T21] ? idle_inject_timer_fn+0x60/0x60 [ 199.277373][ T21] ? asm_sysvec_call_function_single+0x16/0x20 [ 199.283598][ T21] ? schedule_idle+0x57/0x90 [ 199.288221][ T21] ? cpu_startup_entry+0x14/0x20 [ 199.293218][ T21] ? time_init+0x40/0x40 [ 199.297503][ T21] ? start_kernel+0x489/0x540 [ 199.302216][ T21] ? secondary_startup_64_no_verify+0xb1/0xbb [ 199.308466][ T21]