[ 86.720313][ T32] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.80' (ED25519) to the list of known hosts. 2025/12/16 00:45:04 parsed 1 programs [ 94.953680][ T4279] cgroup: Unknown subsys name 'net' [ 95.084897][ T4279] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 96.601273][ T4279] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 99.055857][ T4306] chnl_net:caif_netlink_parms(): no params data found [ 99.105799][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.113103][ T4306] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.122147][ T4306] device bridge_slave_0 entered promiscuous mode [ 99.131265][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.138521][ T4306] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.146424][ T4306] device bridge_slave_1 entered promiscuous mode [ 99.181664][ T4306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.193272][ T4306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.229507][ T4306] team0: Port device team_slave_0 added [ 99.237020][ T4306] team0: Port device team_slave_1 added [ 99.258034][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.265075][ T4306] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 99.291362][ T4306] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.313439][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.320513][ T4306] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 99.346843][ T4306] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.388812][ T4306] device hsr_slave_0 entered promiscuous mode [ 99.395750][ T4306] device hsr_slave_1 entered promiscuous mode [ 99.512648][ T4306] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.523616][ T4306] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.535479][ T4306] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.553648][ T4306] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.582544][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.589794][ T4306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.597657][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.604835][ T4306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.668170][ T4306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.683116][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.694496][ T57] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.703200][ T57] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.727032][ T4306] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.740865][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.750094][ T57] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.757193][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.771882][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.780388][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.787466][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.818801][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.828981][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.838099][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.847208][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.857304][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.866264][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.875368][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.885490][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.896663][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.905367][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.917706][ T4306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.122702][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.131085][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.144971][ T4306] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.168191][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.177295][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.193751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.202849][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.212215][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.221112][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.231315][ T4306] device veth0_vlan entered promiscuous mode [ 100.243239][ T4306] device veth1_vlan entered promiscuous mode [ 100.263971][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.272285][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.280906][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.290374][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.302329][ T4306] device veth0_macvtap entered promiscuous mode [ 100.312341][ T4306] device veth1_macvtap entered promiscuous mode [ 100.327685][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.335505][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.343760][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.352637][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.361519][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.373025][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.382209][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.392010][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.404611][ T4306] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.414484][ T4306] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.423810][ T4306] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.432768][ T4306] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.564189][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.784017][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.792430][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.805466][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 101.827409][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.835672][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.845162][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 101.946589][ T4358] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.956319][ T4358] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.964312][ T4358] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.973406][ T4358] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.981581][ T4358] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 101.989689][ T4358] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/16 00:45:14 executed programs: 0 [ 102.765841][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.774160][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.782480][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.792167][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.800535][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 102.807824][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.943381][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 102.989120][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.996297][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.005605][ T4371] device bridge_slave_0 entered promiscuous mode [ 103.013926][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.021262][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.029851][ T4371] device bridge_slave_1 entered promiscuous mode [ 103.055543][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.077702][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.090282][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.115517][ T4371] team0: Port device team_slave_0 added [ 103.124018][ T4371] team0: Port device team_slave_1 added [ 103.143946][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.151170][ T4371] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 103.177124][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.189396][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.196375][ T4371] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 103.222683][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.256208][ T4371] device hsr_slave_0 entered promiscuous mode [ 103.263478][ T4371] device hsr_slave_1 entered promiscuous mode [ 103.270433][ T4371] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 103.280781][ T4371] Cannot create hsr debugfs directory [ 104.879596][ T4358] Bluetooth: hci0: command 0x0409 tx timeout [ 105.548256][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.611104][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.462034][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.472230][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.483805][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.494515][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.567587][ T9] device hsr_slave_0 left promiscuous mode [ 106.574549][ T9] device hsr_slave_1 left promiscuous mode [ 106.582554][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 106.590683][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 106.599861][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 106.607305][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 106.615720][ T9] device bridge_slave_1 left promiscuous mode [ 106.623394][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.636440][ T9] device bridge_slave_0 left promiscuous mode [ 106.642815][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.673211][ T9] device veth1_macvtap left promiscuous mode [ 106.681930][ T9] device veth0_macvtap left promiscuous mode [ 106.688095][ T9] device veth1_vlan left promiscuous mode [ 106.694942][ T9] device veth0_vlan left promiscuous mode [ 106.961648][ T4360] Bluetooth: hci0: command 0x041b tx timeout [ 107.051878][ T9] team0 (unregistering): Port device team_slave_1 removed [ 107.081712][ T9] team0 (unregistering): Port device team_slave_0 removed [ 107.110403][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 107.141933][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 107.401677][ T9] bond0 (unregistering): Released all slaves [ 107.488002][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.509935][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.516937][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 107.525177][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 107.548710][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.557817][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.566531][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.573660][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.584254][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.593049][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.602913][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.610075][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.621456][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 107.629834][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 107.646691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 107.665530][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 107.675335][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.684438][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 107.695844][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 107.705985][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.728711][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 107.737838][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 107.751733][ T4371] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 107.763864][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 107.772610][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 107.781244][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 108.029102][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 108.036628][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 108.051233][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.076508][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 108.086519][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 108.121592][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 108.132611][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 108.146868][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 108.159895][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 108.170168][ T4371] device veth0_vlan entered promiscuous mode [ 108.183318][ T4371] device veth1_vlan entered promiscuous mode [ 108.219443][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 108.227687][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 108.236357][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 108.245787][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 108.255766][ T4371] device veth0_macvtap entered promiscuous mode [ 108.267812][ T4371] device veth1_macvtap entered promiscuous mode [ 108.283918][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.292388][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 108.301029][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 108.309570][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 108.318278][ T4353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 108.331085][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.338594][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 108.347618][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 108.360007][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.369220][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.377940][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.387083][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.443260][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.456310][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.467963][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 108.482035][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2025/12/16 00:45:20 executed programs: 2 [ 108.490640][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.501106][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 111.298435][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 111.348366][ T0] NOHZ tick-stop error: local softirq work is pending, handler #02!!! [ 111.358375][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!! [ 111.368373][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!! [ 111.378368][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!! [ 111.388368][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!! [ 111.398372][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!! [ 111.406576][ T0] NOHZ tick-stop error: local softirq work is pending, handler #182!!! [ 111.414874][ T0] NOHZ tick-stop error: local softirq work is pending, handler #182!!! [ 111.423172][ T0] NOHZ tick-stop error: local softirq work is pending, handler #182!!! [ 213.558337][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 213.565603][ C1] (detected by 1, t=10502 jiffies, g=9941, q=131 ncpus=2) [ 213.573101][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294958476-4294947974), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 213.586508][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g9941 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 213.597660][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 213.607673][ C1] rcu: RCU grace-period kthread stack dump: [ 213.613613][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 213.624482][ C1] Call Trace: [ 213.627808][ C1] [ 213.630850][ C1] __schedule+0x10ec/0x40b0 [ 213.635423][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 213.640668][ C1] ? _raw_spin_unlock+0x40/0x40 [ 213.645560][ C1] ? enqueue_timer+0x23f/0x5c0 [ 213.650360][ C1] ? __sched_text_start+0x8/0x8 [ 213.655252][ C1] ? __mod_timer+0x91e/0xd00 [ 213.659895][ C1] schedule+0xb9/0x180 [ 213.664005][ C1] schedule_timeout+0x15c/0x280 [ 213.668890][ C1] ? console_conditional_schedule+0x40/0x40 [ 213.674814][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 213.680853][ C1] ? update_process_times+0x1b0/0x1b0 [ 213.686288][ C1] ? prepare_to_swait_event+0x335/0x350 [ 213.691890][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 213.696784][ C1] ? rcu_gp_kthread+0x380/0x380 [ 213.701668][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 213.707698][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 213.712494][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 213.717383][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 213.722621][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 213.727858][ C1] rcu_gp_kthread+0x95/0x380 [ 213.732482][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 213.737634][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 213.743564][ C1] ? __kthread_parkme+0x162/0x1c0 [ 213.748807][ C1] kthread+0x29d/0x330 [ 213.752961][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 213.758112][ C1] ? kthread_blkcg+0xd0/0xd0 [ 213.762748][ C1] ret_from_fork+0x1f/0x30 [ 213.767216][ C1] [ 213.770270][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 213.776626][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 [ 213.783682][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 213.793847][ C1] RIP: 0010:default_idle+0xb/0x10 [ 213.798914][ C1] Code: 48 89 df e8 a7 b3 b6 f7 e9 4c ff ff ff e8 9d 0e f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 66 90 0f 00 2d c7 40 4c 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 213.818585][ C1] RSP: 0018:ffffc90000177de8 EFLAGS: 000002c6 [ 213.824869][ C1] RAX: 6faa3801f723da00 RBX: ffffffff8a1a6267 RCX: 6faa3801f723da00 [ 213.832884][ C1] RDX: 0000000000000001 RSI: ffffffff8a6c0600 RDI: ffffffff8abef920 [ 213.840886][ C1] RBP: ffffc90000177f20 R08: dffffc0000000000 R09: ffffed10171e6afa [ 213.848973][ C1] R10: ffffed10171e6afa R11: 1ffff110171e6af9 R12: 0000000000000001 [ 213.856976][ C1] R13: dffffc0000000000 R14: ffff88813fef1dc0 R15: 1ffffffff1bfe206 [ 213.864979][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 213.874047][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.880658][ C1] CR2: 000055a8537cff20 CR3: 000000005db19000 CR4: 00000000003506e0 [ 213.888656][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.896656][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.904659][ C1] Call Trace: [ 213.907961][ C1] [ 213.910913][ C1] default_idle_call+0x84/0xc0 [ 213.915715][ C1] do_idle+0x1fc/0x570 [ 213.919836][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 213.925075][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 213.930997][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 213.936230][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 213.942178][ C1] ? _raw_spin_unlock+0x40/0x40 [ 213.947079][ C1] cpu_startup_entry+0x3f/0x60 [ 213.951889][ C1] start_secondary+0xe4/0xf0 [ 213.956524][ C1] secondary_startup_64_no_verify+0xcf/0xdb [ 213.962471][ C1]