[ 76.532722][ T1191] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.108' (ED25519) to the list of known hosts.
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[ 80.243757][ T5783] 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.
[ 185.310462][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 185.317549][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5783/1:b..l
[ 185.325678][ C0] rcu: (detected by 0, t=10502 jiffies, g=6773, q=29 ncpus=2)
[ 185.333231][ C0] task:syz-executor368 state:R running task stack:25136 pid:5783 ppid:5781 flags:0x00004002
[ 185.344382][ C0] Call Trace:
[ 185.347674][ C0]
[ 185.350617][ C0] __schedule+0x1553/0x45a0
[ 185.355166][ C0] ? mark_lock+0x94/0x320
[ 185.359510][ C0] ? mark_lock+0x94/0x320
[ 185.363852][ C0] ? asan.module_dtor+0x20/0x20
[ 185.368705][ C0] ? mark_lock+0x94/0x320
[ 185.373047][ C0] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.379055][ C0] ? preempt_schedule_irq+0xb4/0x150
[ 185.384349][ C0] preempt_schedule_irq+0xbf/0x150
[ 185.389469][ C0] ? preempt_schedule_notrace+0x110/0x110
[ 185.395191][ C0] ? kasan_set_track+0x5f/0x70
[ 185.399988][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 185.405820][ C0] irqentry_exit+0x67/0x70
[ 185.410248][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 185.416242][ C0] RIP: 0010:lock_acquire+0x208/0x420
[ 185.421540][ C0] Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25
[ 185.441167][ C0] RSP: 0018:ffffc9000466f760 EFLAGS: 00000206
[ 185.447247][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 84ccc8cf60b64800
[ 185.455224][ C0] RDX: 0000000000000000 RSI: ffffffff8acadd60 RDI: ffffffff8b1c9c20
[ 185.463201][ C0] RBP: ffffc9000466f868 R08: dffffc0000000000 R09: 1ffffffff2239aa0
[ 185.471182][ C0] R10: dffffc0000000000 R11: fffffbfff2239aa1 R12: 1ffff920008cdef8
[ 185.479160][ C0] R13: ffffffff8d132160 R14: 0000000000000246 R15: dffffc0000000000
[ 185.487164][ C0] ? __task_pid_nr_ns+0x28/0x470
[ 185.492133][ C0] ? tomoyo_convert_time+0xb1/0x270
[ 185.497349][ C0] ? tomoyo_socket_sendmsg+0x30/0x30
[ 185.502644][ C0] ? read_lock_is_recursive+0x20/0x20
[ 185.508032][ C0] ? __task_pid_nr_ns+0x390/0x470
[ 185.513065][ C0] ? tomoyo_init_log+0x2f4/0x1f50
[ 185.518103][ C0] tomoyo_init_log+0x310/0x1f50
[ 185.522968][ C0] ? tomoyo_init_log+0x2f4/0x1f50
[ 185.528001][ C0] ? __kmem_cache_free+0xba/0x1e0
[ 185.533038][ C0] ? tomoyo_realpath_from_path+0x59d/0x5d0
[ 185.538860][ C0] ? string+0x26d/0x2b0
[ 185.543036][ C0] ? print_ipv6_addr+0x100/0x100
[ 185.547985][ C0] ? tomoyo_profile+0x11/0x50
[ 185.552671][ C0] ? tomoyo_domain_quota_is_ok+0x42b/0x570
[ 185.558488][ C0] tomoyo_supervisor+0x363/0x1170
[ 185.563545][ C0] ? tomoyo_profile+0x50/0x50
[ 185.568240][ C0] ? snprintf+0xe9/0x140
[ 185.572501][ C0] ? vscnprintf+0x80/0x80
[ 185.576852][ C0] ? tomoyo_check_acl+0x37c/0x3f0
[ 185.581893][ C0] tomoyo_path_number_perm+0x4a9/0x620
[ 185.587357][ C0] ? tomoyo_path_number_perm+0x217/0x620
[ 185.592995][ C0] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 185.598468][ C0] ? __might_fault+0xaa/0x120
[ 185.603155][ C0] ? kvm_vcpu_ioctl+0xac4/0xc10
[ 185.608032][ C0] ? __bpf_trace_rseq_ip_fixup+0x240/0x240
[ 185.613848][ C0] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.619840][ C0] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.625842][ C0] security_file_ioctl+0x70/0xa0
[ 185.630794][ C0] __se_sys_ioctl+0x48/0x170
[ 185.635398][ C0] do_syscall_64+0x55/0xb0
[ 185.639818][ C0] ? clear_bhb_loop+0x40/0x90
[ 185.644502][ C0] ? clear_bhb_loop+0x40/0x90
[ 185.649189][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.655095][ C0] RIP: 0033:0x7f920e3536f9
[ 185.659528][ C0] RSP: 002b:00007ffc3006d5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 185.667954][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f920e3536f9
[ 185.675934][ C0] RDX: 0000200000000140 RSI: 000000004068aea3 RDI: 0000000000000005
[ 185.683908][ C0] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009
[ 185.691879][ C0] R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffc3006d738
[ 185.699855][ C0] R13: 0000000000000002 R14: 00007ffc3006d5e0 R15: 00007ffc3006d5d0
[ 185.707847][ C0]
[ 185.710888][ C0] rcu: rcu_preempt kthread starved for 10538 jiffies! g6773 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 185.722001][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 185.731969][ C0] rcu: RCU grace-period kthread stack dump:
[ 185.737856][ C0] task:rcu_preempt state:R running task stack:26888 pid:17 ppid:2 flags:0x00004000
[ 185.748642][ C0] Call Trace:
[ 185.751921][ C0]
[ 185.754859][ C0] __schedule+0x1553/0x45a0
[ 185.759387][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x120
[ 185.765292][ C0] ? _raw_spin_unlock_irqrestore+0xc5/0x120
[ 185.771192][ C0] ? asan.module_dtor+0x20/0x20
[ 185.776053][ C0] ? enqueue_timer+0x23d/0x550
[ 185.780830][ C0] ? __mod_timer+0x984/0xdb0
[ 185.785454][ C0] schedule+0xbd/0x170
[ 185.789542][ C0] schedule_timeout+0x188/0x2d0
[ 185.794412][ C0] ? console_conditional_schedule+0x40/0x40
[ 185.800323][ C0] ? update_process_times+0x1b0/0x1b0
[ 185.805707][ C0] ? prepare_to_swait_event+0x339/0x360
[ 185.811267][ C0] rcu_gp_fqs_loop+0x313/0x1590
[ 185.816129][ C0] ? rcu_gp_init+0x1162/0x1560
[ 185.820904][ C0] ? rcu_gp_kthread+0x3b0/0x3b0
[ 185.825760][ C0] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.831753][ C0] ? rcu_gp_init+0x1560/0x1560
[ 185.836520][ C0] ? rcu_gp_cleanup+0xb41/0xc90
[ 185.841379][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 185.846591][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 185.851801][ C0] rcu_gp_kthread+0x9d/0x3b0
[ 185.856399][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 185.861515][ C0] ? __kthread_parkme+0x7a/0x1c0
[ 185.866455][ C0] ? __kthread_parkme+0x162/0x1c0
[ 185.871490][ C0] kthread+0x2fa/0x390
[ 185.875564][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 185.880682][ C0] ? kthread_blkcg+0xd0/0xd0
[ 185.885275][ C0] ret_from_fork+0x48/0x80
[ 185.889697][ C0] ? kthread_blkcg+0xd0/0xd0
[ 185.894290][ C0] ret_from_fork_asm+0x11/0x20
[ 185.899076][ C0]
[ 185.902102][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 185.908432][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 185.913645][ C1] NMI backtrace for cpu 1
[ 185.913664][ C1] CPU: 1 PID: 5787 Comm: syz-executor368 Not tainted syzkaller #0
[ 185.913677][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 185.913685][ C1] RIP: 0010:__lock_acquire+0x48a/0x7d40
[ 185.913703][ C1] Code: 00 00 00 00 00 fc ff df 4c 89 b4 24 b0 00 00 00 48 8b 45 10 49 89 06 65 8b 05 be 4d 9a 7e 45 31 f6 85 c0 41 0f 95 c6 45 01 f6 <48> 8b 44 24 20 4c 8d a0 c4 0a 00 00 4c 89 e0 48 c1 e8 03 48 89 84
[ 185.913714][ C1] RSP: 0018:ffffc900046feda0 EFLAGS: 00000046
[ 185.913726][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100f35f16a
[ 185.913735][ C1] RDX: ffff888079af8b28 RSI: 0000000000000002 RDI: ffff888079af8b38
[ 185.913744][ C1] RBP: ffffc900046fefe8 R08: dffffc0000000000 R09: 0000000000000001
[ 185.913753][ C1] R10: dffffc0000000000 R11: fffffbfff1d16cce R12: ffff888079af8b40
[ 185.913763][ C1] R13: 0000000000000689 R14: 0000000000000000 R15: 0000000000000000
[ 185.913771][ C1] FS: 00005555869543c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 185.913783][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 185.913792][ C1] CR2: 000055e58ca74cb8 CR3: 0000000074ed7000 CR4: 00000000003526e0
[ 185.913804][ C1] Call Trace:
[ 185.913809][ C1]
[ 185.913822][ C1] ? verify_lock_unused+0x140/0x140
[ 185.913837][ C1] ? verify_lock_unused+0x140/0x140
[ 185.913853][ C1] ? verify_lock_unused+0x140/0x140
[ 185.913867][ C1] ? verify_lock_unused+0x140/0x140
[ 185.913886][ C1] lock_acquire+0x19e/0x420
[ 185.913900][ C1] ? get_kvmclock+0xf9/0x760
[ 185.913919][ C1] ? __lock_acquire+0x7d40/0x7d40
[ 185.913933][ C1] ? read_lock_is_recursive+0x20/0x20
[ 185.913952][ C1] ? get_kvmclock+0xf9/0x760
[ 185.913966][ C1] seqcount_lockdep_reader_access+0x116/0x1d0
[ 185.913983][ C1] ? get_kvmclock+0xf9/0x760
[ 185.913997][ C1] ? kvm_msr_ignored_check+0x180/0x180
[ 185.914013][ C1] ? __lock_acquire+0x1347/0x7d40
[ 185.914032][ C1] get_kvmclock+0xf9/0x760
[ 185.914054][ C1] get_kvmclock_ns+0x3e/0x60
[ 185.914071][ C1] get_time_ref_counter+0xb4/0x180
[ 185.914090][ C1] kvm_hv_process_stimers+0x23e/0x1680
[ 185.914116][ C1] ? kvm_hv_irq_routing_update+0x3e0/0x3e0
[ 185.914135][ C1] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.914150][ C1] ? read_lock_is_recursive+0x20/0x20
[ 185.914165][ C1] ? lock_chain_count+0x20/0x20
[ 185.914178][ C1] ? apic_has_pending_timer+0xd5/0x1e0
[ 185.914195][ C1] ? kvm_service_local_tlb_flush_requests+0xed/0x120
[ 185.914213][ C1] vcpu_run+0x2e19/0x7450
[ 185.914230][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.914251][ C1] ? vcpu_run+0x3c03/0x7450
[ 185.914292][ C1] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.914307][ C1] ? signal_pending+0xa0/0xa0
[ 185.914331][ C1] ? read_lock_is_recursive+0x20/0x20
[ 185.914348][ C1] ? rcu_is_watching+0x15/0xb0
[ 185.914366][ C1] kvm_arch_vcpu_ioctl_run+0xfd6/0x1850
[ 185.914385][ C1] ? verify_lock_unused+0x140/0x140
[ 185.914402][ C1] ? kvm_arch_vcpu_ioctl_run+0x1ea/0x1850
[ 185.914421][ C1] ? kvm_arch_guest_memory_reclaimed+0x20/0x20
[ 185.914439][ C1] ? __mutex_trylock_common+0x159/0x260
[ 185.914453][ C1] ? trace_raw_output_contention_end+0xd0/0xd0
[ 185.914467][ C1] ? tomoyo_path_number_perm+0x217/0x620
[ 185.914485][ C1] ? get_task_pid+0x22/0x300
[ 185.914502][ C1] ? __lock_acquire+0x7d40/0x7d40
[ 185.914524][ C1] ? mutex_lock_nested+0x20/0x20
[ 185.914539][ C1] ? __sched_setscheduler+0x1631/0x1b60
[ 185.914556][ C1] ? get_task_pid+0x22/0x300
[ 185.914571][ C1] ? get_task_pid+0x22/0x300
[ 185.914589][ C1] kvm_vcpu_ioctl+0x8fb/0xc10
[ 185.914607][ C1] ? xa_release+0x50/0x50
[ 185.914624][ C1] ? do_sched_setscheduler+0xe4/0x3c0
[ 185.914643][ C1] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 185.914661][ C1] ? bpf_lsm_file_ioctl+0x9/0x10
[ 185.914674][ C1] ? security_file_ioctl+0x80/0xa0
[ 185.914687][ C1] ? xa_release+0x50/0x50
[ 185.914701][ C1] __se_sys_ioctl+0xfd/0x170
[ 185.914718][ C1] do_syscall_64+0x55/0xb0
[ 185.914733][ C1] ? clear_bhb_loop+0x40/0x90
[ 185.914744][ C1] ? clear_bhb_loop+0x40/0x90
[ 185.914756][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.914774][ C1] RIP: 0033:0x7f920e3536f9
[ 185.914786][ C1] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d8 ff ff ff f7 d8 64 89 01 48
[ 185.914796][ C1] RSP: 002b:00007ffc3006d5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 185.914809][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f920e3536f9
[ 185.914818][ C1] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[ 185.914826][ C1] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009
[ 185.914834][ C1] R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffc3006d738
[ 185.914842][ C1] R13: 0000000000000002 R14: 00007ffc3006d5e0 R15: 00007ffc3006d5d0
[ 185.914857][ C1]
[ 185.914862][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.221 msecs
[ 186.405572][ C0] sched: RT throttling activated
[ 186.425568][ T5139] udevd[5139]: worker [5776] /devices/virtual/misc/kvm is taking a long time
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