[ 86.722163][ T1645] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts. 2026/04/17 18:31:51 ignoring optional flag "type"="gce" 2026/04/17 18:31:51 parsed 1 programs 2026/04/17 18:31:53 executed programs: 0 [ 90.635632][ T6015] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.771830][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.781607][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.789668][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.802543][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.811481][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.829013][ T50] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 90.840245][ T5833] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 90.851968][ T6038] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 90.862917][ T50] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 90.873958][ T50] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 90.874372][ T6039] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 90.882854][ T50] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 90.891332][ T6039] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 90.898566][ T50] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 90.910730][ T50] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 90.918873][ T50] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 90.919998][ T6039] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 90.934475][ T50] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 90.941926][ T5144] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 90.951770][ T50] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 90.952420][ T6039] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 90.967274][ T50] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 90.967815][ T6039] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 90.974645][ T50] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 90.994827][ T50] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 91.527657][ T6032] chnl_net:caif_netlink_parms(): no params data found [ 91.647572][ T6030] chnl_net:caif_netlink_parms(): no params data found [ 91.726951][ T6033] chnl_net:caif_netlink_parms(): no params data found [ 91.761688][ T6034] chnl_net:caif_netlink_parms(): no params data found [ 91.876566][ T6032] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.883914][ T6032] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.892193][ T6032] bridge_slave_0: entered allmulticast mode [ 91.899637][ T6032] bridge_slave_0: entered promiscuous mode [ 91.955674][ T6032] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.963315][ T6032] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.970622][ T6032] bridge_slave_1: entered allmulticast mode [ 91.977824][ T6032] bridge_slave_1: entered promiscuous mode [ 91.996065][ T6030] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.003641][ T6030] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.011044][ T6030] bridge_slave_0: entered allmulticast mode [ 92.017929][ T6030] bridge_slave_0: entered promiscuous mode [ 92.071994][ T6030] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.079199][ T6030] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.086794][ T6030] bridge_slave_1: entered allmulticast mode [ 92.094209][ T6030] bridge_slave_1: entered promiscuous mode [ 92.126039][ T6037] chnl_net:caif_netlink_parms(): no params data found [ 92.138074][ T6032] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.158757][ T6034] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.166183][ T6034] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.173424][ T6034] bridge_slave_0: entered allmulticast mode [ 92.180435][ T6034] bridge_slave_0: entered promiscuous mode [ 92.215755][ T6032] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.225095][ T6034] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.232778][ T6034] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.240000][ T6034] bridge_slave_1: entered allmulticast mode [ 92.247504][ T6034] bridge_slave_1: entered promiscuous mode [ 92.256754][ T6030] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.266072][ T6033] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.273329][ T6033] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.280634][ T6033] bridge_slave_0: entered allmulticast mode [ 92.287725][ T6033] bridge_slave_0: entered promiscuous mode [ 92.321819][ T6030] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.344389][ T6033] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.351892][ T6033] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.359048][ T6033] bridge_slave_1: entered allmulticast mode [ 92.366233][ T6033] bridge_slave_1: entered promiscuous mode [ 92.449508][ T6032] team0: Port device team_slave_0 added [ 92.458617][ T6034] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.469729][ T6030] team0: Port device team_slave_0 added [ 92.477993][ T6033] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.496428][ T6032] team0: Port device team_slave_1 added [ 92.504003][ T6034] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.524262][ T6030] team0: Port device team_slave_1 added [ 92.532166][ T6033] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.608727][ T6034] team0: Port device team_slave_0 added [ 92.646651][ T6032] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.653857][ T6032] 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 1532 would solve the problem. [ 92.680058][ T6032] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.693200][ T6034] team0: Port device team_slave_1 added [ 92.699394][ T6030] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.706410][ T6030] 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 1532 would solve the problem. [ 92.733088][ T6030] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.745533][ T6030] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.752542][ T6030] 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 1532 would solve the problem. [ 92.778576][ T6030] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.792525][ T6033] team0: Port device team_slave_0 added [ 92.798306][ T6037] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.805770][ T6037] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.813158][ T6037] bridge_slave_0: entered allmulticast mode [ 92.820119][ T6037] bridge_slave_0: entered promiscuous mode [ 92.827947][ T6032] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.834953][ T6032] 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 1532 would solve the problem. [ 92.861110][ T6032] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.881433][ T50] Bluetooth: hci0: command tx timeout [ 92.894798][ T6033] team0: Port device team_slave_1 added [ 92.901471][ T6037] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.908659][ T6037] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.916137][ T6037] bridge_slave_1: entered allmulticast mode [ 92.923343][ T6037] bridge_slave_1: entered promiscuous mode [ 92.946547][ T6034] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.953584][ T6034] 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 1532 would solve the problem. [ 92.980576][ T50] Bluetooth: hci1: command tx timeout [ 92.981015][ T6034] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.037978][ T6034] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.045890][ T6034] 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 1532 would solve the problem. [ 93.046115][ T50] Bluetooth: hci4: command tx timeout [ 93.072683][ T6038] Bluetooth: hci2: command tx timeout [ 93.078642][ T6039] Bluetooth: hci3: command tx timeout [ 93.084969][ T6034] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.115788][ T6037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.152224][ T6033] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.159370][ T6033] 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 1532 would solve the problem. [ 93.185644][ T6033] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.197948][ T6033] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.205167][ T6033] 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 1532 would solve the problem. [ 93.231301][ T6033] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.244527][ T6037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.271191][ T6030] hsr_slave_0: entered promiscuous mode [ 93.277846][ T6030] hsr_slave_1: entered promiscuous mode [ 93.305164][ T6032] hsr_slave_0: entered promiscuous mode [ 93.311490][ T6032] hsr_slave_1: entered promiscuous mode [ 93.317582][ T6032] debugfs: 'hsr0' already exists in 'hsr' [ 93.323609][ T6032] Cannot create hsr debugfs directory [ 93.374982][ T6034] hsr_slave_0: entered promiscuous mode [ 93.382411][ T6034] hsr_slave_1: entered promiscuous mode [ 93.388531][ T6034] debugfs: 'hsr0' already exists in 'hsr' [ 93.394473][ T6034] Cannot create hsr debugfs directory [ 93.402102][ T6037] team0: Port device team_slave_0 added [ 93.440806][ T6037] team0: Port device team_slave_1 added [ 93.522241][ T6033] hsr_slave_0: entered promiscuous mode [ 93.528518][ T6033] hsr_slave_1: entered promiscuous mode [ 93.535433][ T6033] debugfs: 'hsr0' already exists in 'hsr' [ 93.541253][ T6033] Cannot create hsr debugfs directory [ 93.587289][ T6037] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.594634][ T6037] 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 1532 would solve the problem. [ 93.621784][ T6037] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.665034][ T6037] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.672308][ T6037] 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 1532 would solve the problem. [ 93.698324][ T6037] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.899690][ T6037] hsr_slave_0: entered promiscuous mode [ 93.906134][ T6037] hsr_slave_1: entered promiscuous mode [ 93.912633][ T6037] debugfs: 'hsr0' already exists in 'hsr' [ 93.918381][ T6037] Cannot create hsr debugfs directory [ 94.122815][ T6030] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 94.133759][ T6030] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 94.141569][ T6030] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 94.152013][ T6030] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 94.224389][ T6030] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 94.247956][ T6030] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 94.258760][ T6030] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 94.280391][ T6030] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 94.534798][ T6030] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.601487][ T6030] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.628574][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.635906][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.683755][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.690976][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.729868][ T6034] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 94.745585][ T6034] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 94.755420][ T6034] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 94.768137][ T6034] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 94.776537][ T6034] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 94.789949][ T6034] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 94.834179][ T6034] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 94.848256][ T6034] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 94.962995][ T6039] Bluetooth: hci0: command tx timeout [ 94.990540][ T6032] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 95.006708][ T6032] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 95.025861][ T6032] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 95.045946][ T6039] Bluetooth: hci1: command tx timeout [ 95.053145][ T6032] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 95.095440][ T6032] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 95.108695][ T6032] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 95.117762][ T6032] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 95.128680][ T6039] Bluetooth: hci3: command tx timeout [ 95.134636][ T50] Bluetooth: hci4: command tx timeout [ 95.134661][ T6038] Bluetooth: hci2: command tx timeout [ 95.151570][ T6032] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 95.306780][ T6033] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 95.330071][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 95.351011][ T6033] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 95.367691][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 95.399314][ T6033] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 95.415401][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 95.424561][ T6033] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 95.436224][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 95.603264][ T6030] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.645804][ T6037] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.658212][ T6037] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 95.679425][ T6037] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.691100][ T6037] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 95.704955][ T6034] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.730868][ T6037] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.747294][ T6037] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 95.777862][ T6037] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.795535][ T6037] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 95.872067][ T6034] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.893813][ T6030] veth0_vlan: entered promiscuous mode [ 95.944031][ T800] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.951257][ T800] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.968141][ T6030] veth1_vlan: entered promiscuous mode [ 96.003371][ T800] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.010573][ T800] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.102140][ T6032] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.158932][ T6033] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.219935][ T6030] veth0_macvtap: entered promiscuous mode [ 96.231392][ T6032] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.246702][ T6034] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 96.286621][ T6033] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.294592][ T6030] veth1_macvtap: entered promiscuous mode [ 96.307805][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.315009][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.325374][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.332702][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.382360][ T1159] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.389562][ T1159] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.414694][ T6037] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.437054][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.444265][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.507172][ T6030] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.574625][ T6030] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.635976][ T6037] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.645026][ T12] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.654458][ T12] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.682184][ T12] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.691344][ T12] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.709318][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.716629][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.776301][ T800] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.783572][ T800] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.861537][ T6034] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.040969][ T6038] Bluetooth: hci0: command tx timeout [ 97.122515][ T6038] Bluetooth: hci1: command tx timeout [ 97.321365][ T6038] Bluetooth: hci2: command tx timeout [ 97.327532][ T6038] Bluetooth: hci4: command tx timeout [ 97.333578][ T6038] Bluetooth: hci3: command tx timeout [ 97.468979][ T6032] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.174518][ T6032] veth0_vlan: entered promiscuous mode [ 113.186571][ T6032] veth1_vlan: entered promiscuous mode [ 113.213296][ T6032] veth0_macvtap: entered promiscuous mode [ 113.223263][ T6032] veth1_macvtap: entered promiscuous mode [ 113.241493][ T6032] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.252671][ T6032] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.290236][ T50] Bluetooth: hci0: command tx timeout [ 113.295733][ T50] Bluetooth: hci1: command tx timeout [ 113.301410][ T50] Bluetooth: hci3: command tx timeout [ 113.306890][ T50] Bluetooth: hci4: command tx timeout [ 113.312299][ T50] Bluetooth: hci2: command tx timeout [ 202.220189][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 202.227283][ C0] rcu: (detected by 0, t=10504 jiffies, g=14889, q=2245 ncpus=2) [ 202.235100][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 8910 (4294957342-4294948432), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 202.248485][ C0] rcu: rcu_preempt kthread starved for 8910 jiffies! g14889 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 202.259674][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 202.269634][ C0] rcu: RCU grace-period kthread stack dump: [ 202.275523][ C0] task:rcu_preempt state:R running task stack:27544 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 202.289135][ C0] Call Trace: [ 202.292437][ C0] [ 202.295390][ C0] __schedule+0x17b4/0x5680 [ 202.299939][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 202.304914][ C0] ? __pfx___schedule+0x10/0x10 [ 202.309777][ C0] ? schedule+0x90/0x360 [ 202.314032][ C0] schedule+0x164/0x360 [ 202.318199][ C0] schedule_timeout+0x158/0x2c0 [ 202.323050][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 202.328612][ C0] ? __pfx_process_timeout+0x10/0x10 [ 202.333922][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 202.339822][ C0] ? prepare_to_swait_event+0x340/0x370 [ 202.345400][ C0] rcu_gp_fqs_loop+0x312/0x11d0 [ 202.350379][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 202.356553][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 202.361852][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 202.367057][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 202.372877][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 202.377476][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 202.382675][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 202.388490][ C0] ? __kthread_parkme+0x7a/0x1f0 [ 202.393434][ C0] ? __kthread_parkme+0x19c/0x1f0 [ 202.398475][ C0] kthread+0x388/0x470 [ 202.402717][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 202.407963][ C0] ? __pfx_kthread+0x10/0x10 [ 202.412557][ C0] ret_from_fork+0x514/0xb70 [ 202.417166][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 202.422283][ C0] ? __switch_to+0xc79/0x1410 [ 202.427047][ C0] ? __pfx_kthread+0x10/0x10 [ 202.431634][ C0] ret_from_fork_asm+0x1a/0x30 [ 202.436434][ C0] [ 202.439459][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 202.445803][ C0] CPU: 0 UID: 0 PID: 6044 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 202.454679][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 202.464732][ C0] RIP: 0010:smp_call_function_many_cond+0xe32/0x1210 [ 202.471412][ C0] Code: 45 8b 2c 24 44 89 ee 83 e6 01 31 ff e8 77 e7 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 22 e3 0b 00 eb 38 f3 90 <42> 0f b6 04 2b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 06 e3 [ 202.491125][ C0] RSP: 0000:ffffc90004077820 EFLAGS: 00000293 [ 202.497194][ C0] RAX: ffffffff81b97aea RBX: 1ffff110170e8165 RCX: ffff88807be88000 [ 202.505167][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 202.513134][ C0] RBP: ffffc90004077950 R08: ffffffff903215b7 R09: 1ffffffff20642b6 [ 202.521107][ C0] R10: dffffc0000000000 R11: fffffbfff20642b7 R12: ffff8880b8740b28 [ 202.529077][ C0] R13: dffffc0000000000 R14: ffff8880b863c148 R15: 0000000000000001 [ 202.537049][ C0] FS: 00007fa0b5346880(0000) GS:ffff888125245000(0000) knlGS:0000000000000000 [ 202.545976][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 202.552557][ C0] CR2: 00005618a73def28 CR3: 0000000078916000 CR4: 00000000003526f0 [ 202.560525][ C0] Call Trace: [ 202.563805][ C0] [ 202.566740][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 202.571687][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 202.577062][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 202.582273][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 202.588689][ C0] ? rcu_is_watching+0x15/0xb0 [ 202.593459][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 202.598831][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 202.604028][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 202.609145][ C0] flush_tlb_mm_range+0x5c3/0x10b0 [ 202.614260][ C0] ? page_table_check_clear+0x4b8/0x5f0 [ 202.619816][ C0] ptep_clear_flush+0x120/0x170 [ 202.624671][ C0] do_wp_page+0x4129/0x5a00 [ 202.629175][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 202.634120][ C0] ? do_wp_page+0x3b9f/0x5a00 [ 202.638816][ C0] ? __pfx_do_wp_page+0x10/0x10 [ 202.643673][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 202.648700][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 202.654084][ C0] handle_mm_fault+0x1520/0x3310 [ 202.659036][ C0] ? handle_mm_fault+0xee/0x3310 [ 202.663990][ C0] ? __pfx_handle_mm_fault+0x10/0x10 [ 202.669364][ C0] ? lock_vma_under_rcu+0x45a/0x500 [ 202.674602][ C0] do_user_addr_fault+0xa73/0x1340 [ 202.679723][ C0] ? rcu_is_watching+0x15/0xb0 [ 202.684490][ C0] ? trace_page_fault_user+0x84/0x1e0 [ 202.689884][ C0] exc_page_fault+0x6a/0xc0 [ 202.694417][ C0] asm_exc_page_fault+0x26/0x30 [ 202.699274][ C0] RIP: 0033:0x7fa0b53e0b69 [ 202.703702][ C0] Code: 10 48 81 f9 ff 03 00 00 76 28 48 8b 57 20 48 85 d2 74 1f 48 3b 7a 28 75 76 48 8b 4f 28 48 3b 79 20 75 6c 48 83 78 20 00 74 17 <48> 89 4a 28 48 89 51 20 48 83 c4 08 c3 66 2e 0f 1f 84 00 00 00 00 [ 202.723390][ C0] RSP: 002b:00007ffceed8f760 EFLAGS: 00010206 [ 202.729456][ C0] RAX: 00007fa0b551d1e0 RBX: 00000000000025d0 RCX: 00005618a73def00 [ 202.737523][ C0] RDX: 00005618a73def00 RSI: 00007fa0b551d1e0 RDI: 00005618a73def00 [ 202.745490][ C0] RBP: 00007fa0b551cac0 R08: 00000000000025d0 R09: 0000000000000000 [ 202.753460][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00005618a73dbd10 [ 202.761426][ C0] R13: 00007fa0b551cac0 R14: 00000000000025d0 R15: 00007fa0b551cac0 [ 202.769497][ C0]