Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 84.129778][ T5836] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 86.712953][ T24] cfg80211: failed to load regulatory.db executing program [ 86.880600][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.889479][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.917657][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.917765][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.934639][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.943089][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 86.988711][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! executing program executing program executing program executing program [ 87.147765][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 109.037689][ T0] NOHZ tick-stop error: local softirq work is pending, handler #08!!! [ 139.277672][ T0] NOHZ tick-stop error: local softirq work is pending, handler #08!!! [ 193.237442][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 193.244505][ C1] rcu: (detected by 1, t=10502 jiffies, g=8229, q=52 ncpus=2) [ 193.252051][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294956445-4294945943), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 193.265420][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g8229 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 193.276535][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 193.286859][ C1] rcu: RCU grace-period kthread stack dump: [ 193.292799][ C1] task:rcu_preempt state:R running task stack:27728 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 193.306328][ C1] Call Trace: [ 193.309615][ C1] [ 193.312554][ C1] __schedule+0x150e/0x5070 [ 193.317105][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 193.322309][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 193.328207][ C1] ? __pfx___schedule+0x10/0x10 [ 193.333076][ C1] ? schedule+0x91/0x360 [ 193.337335][ C1] schedule+0x165/0x360 [ 193.341500][ C1] schedule_timeout+0x12b/0x270 [ 193.346356][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 193.351736][ C1] ? __pfx_process_timeout+0x10/0x10 [ 193.357042][ C1] ? prepare_to_swait_event+0x341/0x380 [ 193.362600][ C1] rcu_gp_fqs_loop+0x301/0x1540 [ 193.367462][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 193.372406][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 193.377611][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 193.382899][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 193.388105][ C1] ? finish_swait+0xcd/0x1f0 [ 193.392703][ C1] rcu_gp_kthread+0x99/0x390 [ 193.397310][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 193.402512][ C1] ? __kthread_parkme+0x7b/0x200 [ 193.407452][ C1] ? __kthread_parkme+0x1a1/0x200 [ 193.412480][ C1] kthread+0x711/0x8a0 [ 193.416557][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 193.421761][ C1] ? __pfx_kthread+0x10/0x10 [ 193.426356][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 193.431561][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 193.436847][ C1] ? __pfx_kthread+0x10/0x10 [ 193.441464][ C1] ret_from_fork+0x599/0xb30 [ 193.446073][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 193.451201][ C1] ? __switch_to_asm+0x39/0x70 [ 193.455972][ C1] ? __switch_to_asm+0x33/0x70 [ 193.460739][ C1] ? __pfx_kthread+0x10/0x10 [ 193.465336][ C1] ret_from_fork_asm+0x1a/0x30 [ 193.470131][ C1] [ 193.473159][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 193.479483][ C1] Sending NMI from CPU 1 to CPUs 0: [ 193.484691][ C0] NMI backtrace for cpu 0 [ 193.484718][ C0] CPU: 0 UID: 0 PID: 5861 Comm: syz-executor292 Not tainted syzkaller #0 PREEMPT(full) [ 193.484735][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 193.484745][ C0] RIP: 0010:ktime_get+0x0/0x200 [ 193.484771][ C0] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 37 b1 09 cc e8 55 4c ae 09 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 41 57 41 56 41 55 41 54 53 e8 ad 53 12 00 8b 1d 73 [ 193.484784][ C0] RSP: 0018:ffffc90000007e58 EFLAGS: 00000046 [ 193.484799][ C0] RAX: ffffffff81b28caa RBX: ffff8880b8623e40 RCX: 0000000000010000 [ 193.484810][ C0] RDX: ffff88802dcf8000 RSI: 0000000000000000 RDI: 0000000000000000 [ 193.484820][ C0] RBP: 0000000000000000 R08: ffff88802dcf8000 R09: 0000000000000002 [ 193.484830][ C0] R10: 0000000000000003 R11: 0000000000010000 R12: 0000000000000003 [ 193.484839][ C0] R13: dffffc0000000000 R14: 0000002d0a84be80 R15: ffff8880b8623e7c [ 193.484850][ C0] FS: 00007f776afdc6c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000 [ 193.484863][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 193.484874][ C0] CR2: 00007f776afbad58 CR3: 0000000072dc2000 CR4: 00000000003526f0 [ 193.484888][ C0] Call Trace: [ 193.484895][ C0] [ 193.484901][ C0] clockevents_program_event+0xe8/0x350 [ 193.484923][ C0] hrtimer_interrupt+0x620/0xaa0 [ 193.484962][ C0] __sysvec_apic_timer_interrupt+0x102/0x3e0 [ 193.484981][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 193.485003][ C0] [ 193.485008][ C0] [ 193.485014][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 193.485031][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 [ 193.485051][ C0] Code: 74 05 e8 0b 44 69 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 23 bb 30 f6 65 8b 05 7c 60 3f 07 85 c0 74 40 48 c7 04 24 0e 36 [ 193.485063][ C0] RSP: 0018:ffffc9000413f320 EFLAGS: 00000206 [ 193.485075][ C0] RAX: c28507f960218500 RBX: 0000000000000a06 RCX: c28507f960218500 [ 193.485085][ C0] RDX: 0000000000000007 RSI: ffffffff8d997e54 RDI: 0000000000000001 [ 193.485095][ C0] RBP: ffffc9000413f3b0 R08: ffffffff8fa22f77 R09: 1ffffffff1f445ee [ 193.485106][ C0] R10: dffffc0000000000 R11: fffffbfff1f445ef R12: dffffc0000000000 [ 193.485117][ C0] R13: 0000000000000000 R14: ffff8880b8628240 R15: 1ffff92000827e64 [ 193.485136][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 193.485160][ C0] kvm_hv_process_stimers+0xd0a/0x16a0 [ 193.485190][ C0] ? __pfx_kvm_hv_process_stimers+0x10/0x10 [ 193.485210][ C0] ? vcpu_run+0x427b/0x76b0 [ 193.485233][ C0] ? apic_has_pending_timer+0x1b1/0x1e0 [ 193.485255][ C0] ? kvm_service_local_tlb_flush_requests+0xed/0x130 [ 193.485272][ C0] vcpu_run+0x2240/0x76b0 [ 193.485302][ C0] ? vcpu_run+0x427b/0x76b0 [ 193.485349][ C0] ? __pfx_vcpu_run+0x10/0x10 [ 193.485375][ C0] ? kvm_arch_vcpu_ioctl_run+0x285/0x1c90 [ 193.485401][ C0] ? rcu_is_watching+0x15/0xb0 [ 193.485422][ C0] kvm_arch_vcpu_ioctl_run+0x1148/0x1c90 [ 193.485452][ C0] ? kvm_arch_vcpu_ioctl_run+0x285/0x1c90 [ 193.485474][ C0] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10 [ 193.485499][ C0] ? __lock_acquire+0x6b6/0x2cf0 [ 193.485515][ C0] ? __mutex_lock+0x335/0x1350 [ 193.485540][ C0] ? kasan_quarantine_put+0xdd/0x220 [ 193.485557][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 193.485589][ C0] kvm_vcpu_ioctl+0x99a/0xed0 [ 193.485612][ C0] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 193.485632][ C0] ? do_futex+0x333/0x420 [ 193.485656][ C0] ? __fget_files+0x2a/0x420 [ 193.485679][ C0] ? __fget_files+0x3a0/0x420 [ 193.485698][ C0] ? __fget_files+0x2a/0x420 [ 193.485719][ C0] ? bpf_lsm_file_ioctl+0x9/0x20 [ 193.485737][ C0] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 193.485756][ C0] __se_sys_ioctl+0xfc/0x170 [ 193.485772][ C0] do_syscall_64+0xfa/0xf80 [ 193.485794][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 193.485808][ C0] ? clear_bhb_loop+0x60/0xb0 [ 193.485825][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 193.485840][ C0] RIP: 0033:0x7f776b02b489 [ 193.485862][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 193.485874][ C0] RSP: 002b:00007f776afdc218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 193.485888][ C0] RAX: ffffffffffffffda RBX: 00007f776b0ae328 RCX: 00007f776b02b489 [ 193.485899][ C0] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 193.485908][ C0] RBP: 00007f776b0ae320 R08: 0000000000000000 R09: 0000000000000000 [ 193.485917][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f776b07b1bc [ 193.485926][ C0] R13: 0000200000000000 R14: 0000200000000140 R15: 0000200000000040 [ 193.485945][ C0] [ 193.485952][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.261 msecs