Warning: Permanently added '10.128.0.211' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 86.615444][ T23] cfg80211: failed to load regulatory.db [ 181.602820][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 181.609889][ C1] rcu: 0-...!: (1 ticks this GP) idle=485/1/0x4000000000000002 softirq=5781/5781 fqs=0 [ 181.620257][ C1] (detected by 1, t=10502 jiffies, g=5813, q=427) [ 181.626852][ C1] Sending NMI from CPU 1 to CPUs 0: [ 181.632095][ C0] NMI backtrace for cpu 0 [ 181.632118][ C0] CPU: 0 PID: 4203 Comm: syz-executor338 Not tainted syzkaller #0 [ 181.632134][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 181.632150][ C0] RIP: 0010:memset_erms+0xb/0x10 [ 181.632191][ C0] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 [ 181.632204][ C0] RSP: 0018:ffffc90002e9f098 EFLAGS: 00000002 [ 181.632218][ C0] RAX: ffffffff81980400 RBX: ffff88807ac13bb0 RCX: 0000000000000000 [ 181.632229][ C0] RDX: 0000000000000038 RSI: 0000000000000000 RDI: ffffc90002e9f118 [ 181.632240][ C0] RBP: ffffc90002e9f1c0 R08: ffffc90002e9f117 R09: ffffc90002e9f0e0 [ 181.632252][ C0] R10: dffffc0000000000 R11: fffff520005d3e23 R12: ffffc90002e9f0e0 [ 181.632263][ C0] R13: 1ffff920005d3e18 R14: ffffc90002e9f140 R15: ffffc90002e9f300 [ 181.632275][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 181.632289][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.632300][ C0] CR2: 00007f127ec065bc CR3: 000000007448d000 CR4: 00000000003506f0 [ 181.632314][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 181.632323][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 181.632333][ C0] Call Trace: [ 181.632339][ C0] [ 181.632344][ C0] perf_event_output_forward+0x172/0x2e0 [ 181.632376][ C0] ? perf_get_page_size+0x430/0x430 [ 181.632403][ C0] ? perf_event_output_forward+0x261/0x2e0 [ 181.632430][ C0] ? perf_get_page_size+0x430/0x430 [ 181.632456][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 181.632481][ C0] __perf_event_overflow+0x35f/0x550 [ 181.632500][ C0] perf_swevent_event+0x4b8/0x540 [ 181.632519][ C0] perf_tp_event+0x324/0xbe0 [ 181.632537][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 181.632554][ C0] ? perf_tp_event+0xa7e/0xbe0 [ 181.632586][ C0] ? verify_lock_unused+0x140/0x140 [ 181.632609][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 181.632628][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 181.632649][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 181.632673][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 181.632691][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 181.632712][ C0] ? lock_chain_count+0x20/0x20 [ 181.632731][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 181.632748][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 181.632767][ C0] trace_hardirqs_on+0x57/0x80 [ 181.632783][ C0] asm_sysvec_irq_work+0x16/0x20 [ 181.632806][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 181.632823][ 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 42 0b 9d 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 [ 181.632836][ C0] RSP: 0018:ffffc90002e9f720 EFLAGS: 00000206 [ 181.632848][ C0] RAX: 599e657c3beff200 RBX: 1ffff920005d3ee8 RCX: 599e657c3beff200 [ 181.632860][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a48c0 [ 181.632872][ C0] RBP: ffffc90002e9f7f0 R08: ffffffff901f10c7 R09: 1ffffffff203e218 [ 181.632884][ C0] R10: dffffc0000000000 R11: fffffbfff203e219 R12: ffffffff8c323400 [ 181.632896][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 181.632916][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 181.632932][ C0] ? rcu_lock_acquire+0x30/0x30 [ 181.632954][ C0] __rcu_read_unlock+0x78/0xd0 [ 181.632970][ C0] __unlock_page_memcg+0xea/0x100 [ 181.632986][ C0] unmap_page_range+0xee4/0x2410 [ 181.633019][ C0] unmap_vmas+0x131/0x250 [ 181.633034][ C0] ? unmap_page_range+0x2410/0x2410 [ 181.633048][ C0] ? __mutex_lock_common+0x435/0x2400 [ 181.633071][ C0] exit_mmap+0x3b9/0x640 [ 181.633089][ C0] ? vm_brk+0x20/0x20 [ 181.633112][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 181.633131][ C0] __mmput+0x115/0x390 [ 181.633148][ C0] exit_mm+0x632/0x7b0 [ 181.633162][ C0] ? perf_pmu_migrate_context+0xb70/0xb70 [ 181.633183][ C0] ? do_exit+0x2110/0x2110 [ 181.633197][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 181.633215][ C0] ? hrtimer_try_to_cancel+0x3d6/0x420 [ 181.633236][ C0] ? tty_audit_exit+0x149/0x1f0 [ 181.633255][ C0] do_exit+0x5b8/0x2110 [ 181.633269][ C0] ? preempt_schedule+0xbc/0xd0 [ 181.633289][ C0] ? preempt_schedule+0xbc/0xd0 [ 181.633308][ C0] ? put_task_struct+0x80/0x80 [ 181.633330][ C0] do_group_exit+0x12c/0x2f0 [ 181.633347][ C0] __x64_sys_exit_group+0x3b/0x40 [ 181.633361][ C0] do_syscall_64+0x4c/0xa0 [ 181.633377][ C0] ? clear_bhb_loop+0x30/0x80 [ 181.633393][ C0] ? clear_bhb_loop+0x30/0x80 [ 181.633410][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 181.633428][ C0] RIP: 0033:0x7f127eb895c5 [ 181.633444][ C0] Code: Unable to access opcode bytes at RIP 0x7f127eb8959b. [ 181.633451][ C0] RSP: 002b:00007fff3c97f878 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 181.633467][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f127eb895c5 [ 181.633477][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000 [ 181.633487][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 181.633496][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 181.633506][ C0] R13: 00007f127ec3a120 R14: 00007f127ec3c4e8 R15: 00007f127ec3c500 [ 181.633524][ C0] [ 181.633531][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.435 msecs [ 181.634101][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g5813 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 182.177978][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=3616 [ 182.185807][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g5813 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 182.197289][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 182.207286][ C1] rcu: RCU grace-period kthread stack dump: [ 182.213212][ C1] task:rcu_preempt state:I stack:27424 pid: 15 ppid: 2 flags:0x00004000 [ 182.222454][ C1] Call Trace: [ 182.225863][ C1] [ 182.228821][ C1] __schedule+0x11c3/0x4350 [ 182.233364][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 182.238611][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 182.244538][ C1] ? _raw_spin_unlock+0x40/0x40 [ 182.249423][ C1] ? rcu_is_watching+0x11/0xa0 [ 182.254220][ C1] ? release_firmware_map_entry+0x190/0x190 [ 182.260162][ C1] schedule+0x11b/0x1e0 [ 182.264352][ C1] schedule_timeout+0x184/0x2d0 [ 182.269233][ C1] ? console_conditional_schedule+0x40/0x40 [ 182.275252][ C1] ? update_process_times+0x200/0x200 [ 182.280700][ C1] ? prepare_to_swait_event+0x33d/0x360 [ 182.286279][ C1] rcu_gp_fqs_loop+0x2be/0x11f0 [ 182.291167][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 182.296401][ C1] ? rcu_gp_init+0xd72/0x10f0 [ 182.301107][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 182.305905][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 182.311156][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 182.316396][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 182.321630][ C1] rcu_gp_kthread+0x9a/0x370 [ 182.326257][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 182.331396][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 182.337350][ C1] ? __kthread_parkme+0x14e/0x1b0 [ 182.342405][ C1] kthread+0x42e/0x520 [ 182.346506][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 182.351646][ C1] ? kthread_blkcg+0xd0/0xd0 [ 182.356265][ C1] ret_from_fork+0x1f/0x30 [ 182.360714][ C1] [ 182.363754][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 182.370097][ C1] Sending NMI from CPU 1 to CPUs 0: [ 182.375333][ C0] NMI backtrace for cpu 0 [ 182.375344][ C0] CPU: 0 PID: 4203 Comm: syz-executor338 Not tainted syzkaller #0 [ 182.375360][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 182.375369][ C0] RIP: 0010:lock_is_held_type+0x7c/0x190 [ 182.375392][ C0] Code: 41 89 f7 49 89 fe 48 c7 04 24 00 00 00 00 9c 8f 04 24 4c 8b 2c 24 fa 48 c7 c7 e0 39 2b 8a e8 4b 0e 00 00 65 ff 05 74 41 41 76 <83> bb e8 0a 00 00 00 7e 4b 44 89 fd 49 89 df 49 81 c7 f0 0a 00 00 [ 182.375405][ C0] RSP: 0018:ffffc90002e9ef30 EFLAGS: 00000002 [ 182.375419][ C0] RAX: 0000000000000000 RBX: ffff8880291d9dc0 RCX: 599e657c3beff200 [ 182.375430][ C0] RDX: 0000000000000000 RSI: ffffffff8a2b39e0 RDI: ffffffff8a7a48c0 [ 182.375442][ C0] RBP: 00000000ffffffff R08: ffffc90002e9f117 R09: ffffc90002e9f0e0 [ 182.375453][ C0] R10: dffffc0000000000 R11: fffff520005d3e23 R12: dffffc0000000000 [ 182.375465][ C0] R13: 0000000000000046 R14: ffffffff8c31ef60 R15: 00000000ffffffff [ 182.375476][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 182.375490][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 182.375501][ C0] CR2: 00007f127ec065bc CR3: 000000007448d000 CR4: 00000000003506f0 [ 182.375515][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.375524][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.375534][ C0] Call Trace: [ 182.375547][ C0] [ 182.375554][ C0] perf_misc_flags+0x56/0x1b0 [ 182.375575][ C0] perf_prepare_sample+0x132/0x1cb0 [ 182.375595][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 182.375614][ C0] ? perf_callchain+0x190/0x190 [ 182.375629][ C0] ? rcu_lock_release+0x9/0x20 [ 182.375649][ C0] perf_event_output_forward+0x185/0x2e0 [ 182.375667][ C0] ? perf_get_page_size+0x430/0x430 [ 182.375683][ C0] ? perf_event_output_forward+0x261/0x2e0 [ 182.375706][ C0] ? perf_get_page_size+0x430/0x430 [ 182.375723][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 182.375741][ C0] __perf_event_overflow+0x35f/0x550 [ 182.375759][ C0] perf_swevent_event+0x4b8/0x540 [ 182.375778][ C0] perf_tp_event+0x324/0xbe0 [ 182.375796][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 182.375813][ C0] ? perf_tp_event+0xa7e/0xbe0 [ 182.375841][ C0] ? verify_lock_unused+0x140/0x140 [ 182.375862][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 182.375880][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 182.375900][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 182.375920][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 182.375939][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 182.375959][ C0] ? lock_chain_count+0x20/0x20 [ 182.375978][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 182.375995][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 182.376013][ C0] trace_hardirqs_on+0x57/0x80 [ 182.376029][ C0] asm_sysvec_irq_work+0x16/0x20 [ 182.376047][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 182.376064][ 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 42 0b 9d 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 [ 182.376077][ C0] RSP: 0018:ffffc90002e9f720 EFLAGS: 00000206 [ 182.376089][ C0] RAX: 599e657c3beff200 RBX: 1ffff920005d3ee8 RCX: 599e657c3beff200 [ 182.376101][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a48c0 [ 182.376113][ C0] RBP: ffffc90002e9f7f0 R08: ffffffff901f10c7 R09: 1ffffffff203e218 [ 182.376129][ C0] R10: dffffc0000000000 R11: fffffbfff203e219 R12: ffffffff8c323400 [ 182.376141][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 182.376160][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 182.376175][ C0] ? rcu_lock_acquire+0x30/0x30 [ 182.376195][ C0] __rcu_read_unlock+0x78/0xd0 [ 182.376213][ C0] __unlock_page_memcg+0xea/0x100 [ 182.376229][ C0] unmap_page_range+0xee4/0x2410 [ 182.376258][ C0] unmap_vmas+0x131/0x250 [ 182.376273][ C0] ? unmap_page_range+0x2410/0x2410 [ 182.376287][ C0] ? __mutex_lock_common+0x435/0x2400 [ 182.376308][ C0] exit_mmap+0x3b9/0x640 [ 182.376326][ C0] ? vm_brk+0x20/0x20 [ 182.376347][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 182.376365][ C0] __mmput+0x115/0x390 [ 182.376381][ C0] exit_mm+0x632/0x7b0 [ 182.376395][ C0] ? perf_pmu_migrate_context+0xb70/0xb70 [ 182.376414][ C0] ? do_exit+0x2110/0x2110 [ 182.376428][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 182.376446][ C0] ? hrtimer_try_to_cancel+0x3d6/0x420 [ 182.376466][ C0] ? tty_audit_exit+0x149/0x1f0 [ 182.376484][ C0] do_exit+0x5b8/0x2110 [ 182.376498][ C0] ? preempt_schedule+0xbc/0xd0 [ 182.376517][ C0] ? preempt_schedule+0xbc/0xd0 [ 182.376534][ C0] ? put_task_struct+0x80/0x80 [ 182.376554][ C0] do_group_exit+0x12c/0x2f0 [ 182.376570][ C0] __x64_sys_exit_group+0x3b/0x40 [ 182.376584][ C0] do_syscall_64+0x4c/0xa0 [ 182.376599][ C0] ? clear_bhb_loop+0x30/0x80 [ 182.376615][ C0] ? clear_bhb_loop+0x30/0x80 [ 182.376632][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 182.376649][ C0] RIP: 0033:0x7f127eb895c5 [ 182.376662][ C0] Code: Unable to access opcode bytes at RIP 0x7f127eb8959b. [ 182.376669][ C0] RSP: 002b:00007fff3c97f878 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 182.376684][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f127eb895c5 [ 182.376702][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000 [ 182.376712][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 182.376721][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 182.376730][ C0] R13: 00007f127ec3a120 R14: 00007f127ec3c4e8 R15: 00007f127ec3c500 [ 182.376747][ C0] [ 183.892894][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10731 jiffies s: 473 root: 0x1/. [ 183.905452][ T21] rcu: blocking rcu_node structures (internal RCU debug): [ 183.912625][ T21] Task dump for CPU 0: [ 183.916774][ T21] task:syz-executor338 state:R running task stack:26128 pid: 4203 ppid: 4197 flags:0x0000400a [ 183.927666][ T21] Call Trace: [ 183.930982][ T21] [ 183.934000][ T21] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 183.940283][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 183.945485][ T21] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 183.952726][ T21] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 183.958832][ T21] ? lock_chain_count+0x20/0x20 [ 183.963782][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 183.968931][ T21] ? trace_irq_enable_rcuidle+0x108/0x180 [ 183.974728][ T21] ? trace_hardirqs_on+0x57/0x80 [ 183.979696][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 183.984921][ T21] ? rcu_read_unlock_special+0x7f/0x4a0 [ 183.990508][ T21] ? __rcu_read_unlock+0xd0/0xd0 [ 183.995525][ T21] ? rcu_lock_acquire+0x30/0x30 [ 184.000425][ T21] ? __rcu_read_unlock+0x78/0xd0 [ 184.005681][ T21] ? __unlock_page_memcg+0xea/0x100 [ 184.010923][ T21] ? unmap_page_range+0xee4/0x2410 [ 184.016184][ T21] ? unmap_vmas+0x131/0x250 [ 184.020733][ T21] ? unmap_page_range+0x2410/0x2410 [ 184.026031][ T21] ? __mutex_lock_common+0x435/0x2400 [ 184.031468][ T21] ? exit_mmap+0x3b9/0x640 [ 184.036022][ T21] ? vm_brk+0x20/0x20 [ 184.040062][ T21] ? uprobe_clear_state+0x2f6/0x460 [ 184.045384][ T21] ? __mmput+0x115/0x390 [ 184.049670][ T21] ? exit_mm+0x632/0x7b0 [ 184.053986][ T21] ? perf_pmu_migrate_context+0xb70/0xb70 [ 184.059747][ T21] ? do_exit+0x2110/0x2110 [ 184.064233][ T21] ? __ia32_sys_timer_delete+0x40/0x40 [ 184.069722][ T21] ? hrtimer_try_to_cancel+0x3d6/0x420 [ 184.075285][ T21] ? tty_audit_exit+0x149/0x1f0 [ 184.080171][ T21] ? do_exit+0x5b8/0x2110 [ 184.084576][ T21] ? preempt_schedule+0xbc/0xd0 [ 184.089467][ T21] ? preempt_schedule+0xbc/0xd0 [ 184.094544][ T21] ? put_task_struct+0x80/0x80 [ 184.099400][ T21] ? do_group_exit+0x12c/0x2f0 [ 184.104279][ T21] ? __x64_sys_exit_group+0x3b/0x40 [ 184.109516][ T21] ? do_syscall_64+0x4c/0xa0 [ 184.114185][ T21] ? clear_bhb_loop+0x30/0x80 [ 184.118898][ T21] ? clear_bhb_loop+0x30/0x80 [ 184.123697][ T21] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 184.129815][ T21]