Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://35183 [ 31.485428][ T4341] cgroup: Unknown subsys name 'net' [ 31.744051][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.048452][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.070936][ T4367] chnl_net:caif_netlink_parms(): no params data found [ 36.088031][ T4367] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.089510][ T4367] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.092240][ T4367] device bridge_slave_0 entered promiscuous mode [ 36.094874][ T4367] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.096175][ T4367] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.097775][ T4367] device bridge_slave_1 entered promiscuous mode [ 36.107161][ T4367] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.109734][ T4367] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.117033][ T4367] team0: Port device team_slave_0 added [ 36.118755][ T4367] team0: Port device team_slave_1 added [ 36.124984][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.126312][ T4367] 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. [ 36.130420][ T4367] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.134054][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.135276][ T4367] 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. [ 36.139603][ T4367] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.192194][ T4367] device hsr_slave_0 entered promiscuous mode [ 36.231235][ T4367] device hsr_slave_1 entered promiscuous mode [ 36.306400][ T4367] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.354170][ T4367] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.403962][ T4367] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.442707][ T4367] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.478895][ T4367] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.480150][ T4367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.481624][ T4367] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.482775][ T4367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.501292][ T4367] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.504963][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.507680][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.509702][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.513604][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.517882][ T4367] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.520757][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.522983][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.524217][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.527266][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.528871][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.530017][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.538799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.540616][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.544369][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.547496][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.552273][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.555096][ T4367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.619215][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.620719][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.625254][ T4367] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.631878][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.639729][ T4367] device veth0_vlan entered promiscuous mode [ 36.642803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.644468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.645866][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.649430][ T4367] device veth1_vlan entered promiscuous mode [ 36.656304][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.657772][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.659277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.663547][ T4367] device veth0_macvtap entered promiscuous mode [ 36.670687][ T4367] device veth1_macvtap entered promiscuous mode [ 36.676368][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.677768][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.679868][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.683049][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.684578][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.687870][ T4367] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.689329][ T4367] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.690767][ T4367] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.693454][ T4367] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.965176][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.966674][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.968702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.979776][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.981333][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.983002][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.818266][ T4422] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.819882][ T4422] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.821744][ T4422] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.824297][ T4422] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.825746][ T4422] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.827168][ T4422] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.132106][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:38 executed programs: 0 [ 38.359176][ T48] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 38.360661][ T48] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 38.363062][ T48] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 38.364858][ T48] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 38.366609][ T48] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 38.367925][ T48] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 38.414178][ T4434] chnl_net:caif_netlink_parms(): no params data found [ 38.429570][ T4434] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.430906][ T4434] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.432633][ T4434] device bridge_slave_0 entered promiscuous mode [ 38.435266][ T4434] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.436381][ T4434] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.437791][ T4434] device bridge_slave_1 entered promiscuous mode [ 38.443745][ T4434] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.446136][ T4434] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.452521][ T4434] team0: Port device team_slave_0 added [ 38.454875][ T4434] team0: Port device team_slave_1 added [ 38.459843][ T4434] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.461105][ T4434] 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. [ 38.465369][ T4434] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.467653][ T4434] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.468781][ T4434] 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. [ 38.473307][ T4434] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.532098][ T4434] device hsr_slave_0 entered promiscuous mode [ 38.571115][ T4434] device hsr_slave_1 entered promiscuous mode [ 38.610933][ T4434] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.612315][ T4434] Cannot create hsr debugfs directory [ 40.421166][ T48] Bluetooth: hci1: command 0x0409 tx timeout [ 40.701677][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.262515][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.363239][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.491497][ T48] Bluetooth: hci1: command 0x041b tx timeout [ 43.403091][ T4434] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.462017][ T4434] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.672867][ T4434] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.712114][ T4434] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.810935][ T4434] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.814418][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.816069][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.819021][ T4434] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.883388][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.885249][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.886788][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.888201][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.890704][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.892878][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.894384][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.896182][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.897351][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.899568][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.902784][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.905676][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.907631][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.909180][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.912012][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.913677][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.916587][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.918146][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.920706][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.923767][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.926547][ T4434] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.026206][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.027561][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.030465][ T4434] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.037250][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.038872][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.146668][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.148408][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.150040][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.151833][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.154000][ T4434] device veth0_vlan entered promiscuous mode [ 44.157257][ T4434] device veth1_vlan entered promiscuous mode [ 44.163492][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.165031][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.166435][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.168046][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.170279][ T4434] device veth0_macvtap entered promiscuous mode [ 44.173396][ T4434] device veth1_macvtap entered promiscuous mode [ 44.177625][ T4434] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.179341][ T4434] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.182046][ T4434] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.183455][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.185053][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.186497][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.188065][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.190434][ T4434] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.193085][ T4434] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.195710][ T4434] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.196909][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.198549][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.254244][ T4434] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.255789][ T4434] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.257244][ T4434] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.258675][ T4434] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.275727][ T1642] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.278940][ T1642] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.281142][ T4430] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.287171][ T1642] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.288554][ T1642] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.290102][ T1642] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:44 executed programs: 2 [ 44.580979][ T48] Bluetooth: hci1: command 0x040f tx timeout [ 46.650920][ T48] Bluetooth: hci1: command 0x0419 tx timeout [ 59.409439][ T4422] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.411329][ T4422] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.412838][ T4422] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.414324][ T4422] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.415721][ T4422] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.417181][ T4422] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.450944][ T4422] Bluetooth: hci0: command 0x0409 tx timeout [ 63.530907][ T4422] Bluetooth: hci0: command 0x041b tx timeout [ 64.491841][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.493032][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 65.610920][ T4422] Bluetooth: hci0: command 0x040f tx timeout [ 67.691036][ T48] Bluetooth: hci0: command 0x0419 tx timeout [ 69.612008][ T3778] cfg80211: failed to load regulatory.db [ 119.464461][ T48] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 119.466468][ T48] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 119.467925][ T48] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 119.469645][ T48] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 119.471204][ T48] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 119.472492][ T48] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 121.540929][ T4422] Bluetooth: hci2: command 0x0409 tx timeout [ 123.620903][ T48] Bluetooth: hci2: command 0x041b tx timeout [ 125.700914][ T4422] Bluetooth: hci2: command 0x040f tx timeout [ 125.931256][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.932403][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 127.770903][ T48] Bluetooth: hci2: command 0x0419 tx timeout [ 163.850974][ T48] Bluetooth: hci1: command 0x0406 tx timeout [ 179.526531][ T48] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 179.533391][ T48] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 179.535271][ T48] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 179.536845][ T48] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 179.538257][ T48] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 179.539801][ T48] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 181.610969][ T48] Bluetooth: hci3: command 0x0409 tx timeout [ 183.700901][ T48] Bluetooth: hci3: command 0x041b tx timeout [ 184.340994][ T4422] Bluetooth: hci0: command 0x0406 tx timeout [ 185.780910][ T48] Bluetooth: hci3: command 0x040f tx timeout [ 187.371660][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.372855][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 187.850905][ T4422] Bluetooth: hci3: command 0x0419 tx timeout [ 195.050903][ T28] INFO: task kworker/u4:0:9 blocked for more than 143 seconds. [ 195.052598][ T28] Not tainted syzkaller #0 [ 195.053396][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.054714][ T28] task:kworker/u4:0 state:D stack:0 pid:9 ppid:2 flags:0x00000008 [ 195.056186][ T28] Workqueue: events_unbound linkwatch_event [ 195.057210][ T28] Call trace: [ 195.057745][ T28] __switch_to+0x2f4/0x550 [ 195.058478][ T28] __schedule+0xdb4/0x1a6c [ 195.059182][ T28] schedule+0xc4/0x170 [ 195.059815][ T28] schedule_preempt_disabled+0x18/0x2c [ 195.060675][ T28] __mutex_lock_common+0xb20/0x1f3c [ 195.063016][ T28] mutex_lock_nested+0x38/0x44 [ 195.063839][ T28] rtnl_lock+0x20/0x2c [ 195.064521][ T28] linkwatch_event+0x14/0x68 [ 195.065288][ T28] process_one_work+0x7e4/0x13bc [ 195.066131][ T28] worker_thread+0x8cc/0xfe8 [ 195.066928][ T28] kthread+0x254/0x2e0 [ 195.067628][ T28] ret_from_fork+0x10/0x20 [ 195.068360][ T28] INFO: task kworker/u4:1:11 blocked for more than 143 seconds. [ 195.069543][ T28] Not tainted syzkaller #0 [ 195.070321][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.072244][ T28] task:kworker/u4:1 state:D stack:0 pid:11 ppid:2 flags:0x00000008 [ 195.073704][ T28] Workqueue: netns cleanup_net [ 195.074480][ T28] Call trace: [ 195.074971][ T28] __switch_to+0x2f4/0x550 [ 195.075677][ T28] __schedule+0xdb4/0x1a6c [ 195.076429][ T28] schedule+0xc4/0x170 [ 195.077090][ T28] schedule_preempt_disabled+0x18/0x2c [ 195.077980][ T28] __mutex_lock_common+0xb20/0x1f3c [ 195.078765][ T28] mutex_lock_nested+0x38/0x44 [ 195.079547][ T28] rtnl_lock+0x20/0x2c [ 195.080224][ T28] ip_tunnel_delete_nets+0xc8/0x334 [ 195.082382][ T28] ipgre_exit_batch_net+0x30/0x40 [ 195.083642][ T28] cleanup_net+0x650/0xa90 [ 195.084344][ T28] process_one_work+0x7e4/0x13bc [ 195.085161][ T28] worker_thread+0x8cc/0xfe8 [ 195.085875][ T28] kthread+0x254/0x2e0 [ 195.086545][ T28] ret_from_fork+0x10/0x20 [ 195.087211][ T28] INFO: task kworker/0:1:14 blocked for more than 143 seconds. [ 195.088397][ T28] Not tainted syzkaller #0 [ 195.089109][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.090426][ T28] task:kworker/0:1 state:D stack:0 pid:14 ppid:2 flags:0x00000008 [ 195.092364][ T28] Workqueue: ipv6_addrconf addrconf_dad_work [ 195.093276][ T28] Call trace: [ 195.093809][ T28] __switch_to+0x2f4/0x550 [ 195.094493][ T28] __schedule+0xdb4/0x1a6c [ 195.095184][ T28] schedule+0xc4/0x170 [ 195.095839][ T28] schedule_preempt_disabled+0x18/0x2c [ 195.096687][ T28] __mutex_lock_common+0xb20/0x1f3c [ 195.097511][ T28] mutex_lock_nested+0x38/0x44 [ 195.098268][ T28] rtnl_lock+0x20/0x2c [ 195.098913][ T28] addrconf_dad_work+0xc0/0x10a0 [ 195.099686][ T28] process_one_work+0x7e4/0x13bc [ 195.100466][ T28] worker_thread+0x8cc/0xfe8 [ 195.102740][ T28] kthread+0x254/0x2e0 [ 195.103418][ T28] ret_from_fork+0x10/0x20 [ 195.104186][ T28] INFO: task kworker/1:3:4355 blocked for more than 143 seconds. [ 195.105571][ T28] Not tainted syzkaller #0 [ 195.106441][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.107790][ T28] task:kworker/1:3 state:D stack:0 pid:4355 ppid:2 flags:0x00000008 [ 195.109237][ T28] Workqueue: ipv6_addrconf addrconf_dad_work [ 195.110240][ T28] Call trace: [ 195.110755][ T28] __switch_to+0x2f4/0x550 [ 195.111914][ T28] __schedule+0xdb4/0x1a6c [ 195.112624][ T28] schedule+0xc4/0x170 [ 195.113276][ T28] schedule_preempt_disabled+0x18/0x2c [ 195.114180][ T28] __mutex_lock_common+0xb20/0x1f3c [ 195.115008][ T28] mutex_lock_nested+0x38/0x44 [ 195.115769][ T28] rtnl_lock+0x20/0x2c [ 195.116478][ T28] addrconf_dad_work+0xc0/0x10a0 [ 195.117303][ T28] process_one_work+0x7e4/0x13bc [ 195.118087][ T28] worker_thread+0x8cc/0xfe8 [ 195.118801][ T28] kthread+0x254/0x2e0 [ 195.119492][ T28] ret_from_fork+0x10/0x20 [ 195.120238][ T28] [ 195.120238][ T28] Showing all locks held in the system: [ 195.123281][ T28] 3 locks held by kworker/u4:0/9: [ 195.124149][ T28] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.126044][ T28] #1: ffff80001cb37c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.127793][ T28] #2: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.129223][ T28] 4 locks held by kworker/u4:1/11: [ 195.130101][ T28] #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.132143][ T28] #1: ffff80001cb57c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.133766][ T28] #2: ffff8000179f85d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 [ 195.135398][ T28] #3: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.136823][ T28] 1 lock held by rcu_tasks_kthre/12: [ 195.137666][ T28] #0: ffff800015557db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 [ 195.139490][ T28] 1 lock held by rcu_tasks_trace/13: [ 195.140367][ T28] #0: ffff8000155585d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 [ 195.143609][ T28] 3 locks held by kworker/0:1/14: [ 195.144504][ T28] #0: ffff0000d5d5fd38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.146171][ T28] #1: ffff80001cb87c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.148194][ T28] #2: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.149566][ T28] 1 lock held by khungtaskd/28: [ 195.150343][ T28] #0: ffff800015557440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 195.152196][ T28] 3 locks held by kworker/0:2/3778: [ 195.153138][ T28] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.155029][ T28] #1: ffff800023fc7c40 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.156991][ T28] #2: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.158407][ T28] 2 locks held by getty/4081: [ 195.159161][ T28] #0: ffff0000d62ff098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 195.160697][ T28] #1: ffff800020b5e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 [ 195.163731][ T28] 3 locks held by kworker/1:3/4355: [ 195.164580][ T28] #0: ffff0000d5d5fd38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.166339][ T28] #1: ffff800021147c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.168394][ T28] #2: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.169829][ T28] 1 lock held by syz.0.17/4520: [ 195.170713][ T28] 3 locks held by kworker/u4:6/4521: [ 195.172000][ T28] #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc [ 195.173804][ T28] #1: ffff800021607c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc [ 195.175525][ T28] #2: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 195.176952][ T28] 1 lock held by syz-executor/4523: [ 195.177798][ T28] #0: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 [ 195.179264][ T28] 1 lock held by syz-executor/4535: [ 195.180136][ T28] #0: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 [ 195.183128][ T28] 1 lock held by syz-executor/4546: [ 195.184060][ T28] #0: ffff800017a04e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 [ 195.186093][ T28] [ 195.186518][ T28] ============================================= [ 195.186518][ T28] [ 195.187882][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 195.188925][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0 [ 195.190062][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.191780][ T28] Call trace: [ 195.192340][ T28] dump_backtrace+0x1c4/0x1f0 [ 195.193132][ T28] show_stack+0x2c/0x3c [ 195.193839][ T28] __dump_stack+0x30/0x40 [ 195.194595][ T28] dump_stack_lvl+0xf4/0x15c [ 195.195408][ T28] dump_stack+0x1c/0x5c [ 195.196125][ T28] panic+0x2f8/0x7ac [ 195.196789][ T28] hung_task_panic+0x0/0x2c [ 195.197582][ T28] kthread+0x254/0x2e0 [ 195.198294][ T28] ret_from_fork+0x10/0x20 [ 195.199064][ T28] SMP: stopping secondary CPUs [ 195.199895][ T28] Kernel Offset: disabled [ 195.200655][ T28] CPU features: 0x0a0000,000f0097,a65bfea7 [ 195.201613][ T28] Memory Limit: none [ 195.430859][ T28] Rebooting in 86400 seconds..