Warning: Permanently added '10.128.0.108' (ED25519) to the list of known hosts. 2026/08/05 16:50:06 parsed 1 programs 2026/08/05 16:50:06 serving rpc on tcp://42829 [ 69.538253][ T4285] cgroup: Unknown subsys name 'net' [ 69.644595][ T4285] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 70.954451][ T4285] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.401222][ T1278] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.407750][ T1278] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.880411][ T4306] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.889174][ T4306] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.897309][ T4306] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.920933][ T4308] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.943964][ T4308] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.951384][ T4308] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.317366][ T4320] chnl_net:caif_netlink_parms(): no params data found [ 73.368133][ T4320] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.375925][ T4320] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.384098][ T4320] device bridge_slave_0 entered promiscuous mode [ 73.392877][ T4320] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.400130][ T4320] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.407971][ T4320] device bridge_slave_1 entered promiscuous mode [ 73.431535][ T4320] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.442690][ T4320] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.463671][ T4320] team0: Port device team_slave_0 added [ 73.475169][ T4320] team0: Port device team_slave_1 added [ 73.491915][ T4320] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.499124][ T4320] 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. [ 73.525159][ T4320] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.539561][ T4320] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.546526][ T4320] 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. [ 73.572566][ T4320] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.601829][ T4320] device hsr_slave_0 entered promiscuous mode [ 73.608660][ T4320] device hsr_slave_1 entered promiscuous mode [ 73.708660][ T4320] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.719672][ T4320] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.730848][ T4320] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.740636][ T4320] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.772189][ T4320] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.779525][ T4320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.787724][ T4320] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.794976][ T4320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.837254][ T4320] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.857990][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.868387][ T34] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.876670][ T34] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.892429][ T4320] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.913045][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.922543][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.929783][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.942782][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.951972][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.959123][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.983522][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.992185][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.000908][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.016473][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.027123][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.040008][ T4320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.196969][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.204745][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.216415][ T4320] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.238958][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.256364][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.265945][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.276052][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.284812][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.294397][ T4320] device veth0_vlan entered promiscuous mode [ 74.309265][ T4320] device veth1_vlan entered promiscuous mode [ 74.326794][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.335531][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.343927][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.352835][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.369821][ T4320] device veth0_macvtap entered promiscuous mode [ 74.383624][ T4320] device veth1_macvtap entered promiscuous mode [ 74.399019][ T4320] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.406615][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.415747][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.423964][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.433208][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.446463][ T4320] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.456075][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.465116][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.478822][ T4320] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.487652][ T4320] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.497750][ T4320] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.506576][ T4320] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.680604][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.675405][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.684827][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.695021][ T76] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.720027][ T76] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.728837][ T76] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.738095][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/08/05 16:50:14 executed programs: 0 [ 76.204208][ T4308] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.212171][ T4308] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.220629][ T4308] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.229729][ T4308] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.237558][ T4308] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.245134][ T4308] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.351286][ T4376] chnl_net:caif_netlink_parms(): no params data found [ 76.393849][ T4376] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.401049][ T4376] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.409443][ T4376] device bridge_slave_0 entered promiscuous mode [ 76.417317][ T4376] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.424586][ T4376] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.432503][ T4376] device bridge_slave_1 entered promiscuous mode [ 76.454933][ T4376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.466753][ T4376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.487998][ T4376] team0: Port device team_slave_0 added [ 76.496504][ T4376] team0: Port device team_slave_1 added [ 76.516179][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.524222][ T4376] 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. [ 76.550428][ T4376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.562761][ T4376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.569756][ T4376] 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. [ 76.595752][ T4376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.624342][ T4376] device hsr_slave_0 entered promiscuous mode [ 76.631958][ T4376] device hsr_slave_1 entered promiscuous mode [ 76.639111][ T4376] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.646946][ T4376] Cannot create hsr debugfs directory [ 77.179627][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.288537][ T49] Bluetooth: hci0: command 0x0409 tx timeout [ 79.836906][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.879947][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.359572][ T49] Bluetooth: hci0: command 0x041b tx timeout [ 80.717127][ T4376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.727025][ T4376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.739268][ T4376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.756097][ T4376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.793532][ T9] device hsr_slave_0 left promiscuous mode [ 80.800273][ T9] device hsr_slave_1 left promiscuous mode [ 80.806939][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.814499][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.822809][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.830498][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.838524][ T9] device bridge_slave_1 left promiscuous mode [ 80.845504][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.855671][ T9] device bridge_slave_0 left promiscuous mode [ 80.862913][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.881019][ T9] device veth1_macvtap left promiscuous mode [ 80.887228][ T9] device veth0_macvtap left promiscuous mode [ 80.893575][ T9] device veth1_vlan left promiscuous mode [ 80.899643][ T9] device veth0_vlan left promiscuous mode [ 81.213053][ T9] team0 (unregistering): Port device team_slave_1 removed [ 81.239320][ T9] team0 (unregistering): Port device team_slave_0 removed [ 81.265667][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.293864][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.452362][ T9] bond0 (unregistering): Released all slaves [ 81.551405][ T4376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.562977][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.574909][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.586696][ T4376] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.599707][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.611383][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.620292][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.627377][ T4361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.636174][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.648417][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.657051][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.688344][ T4335] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.695445][ T4335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.714689][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.724384][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.736563][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.746781][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.771145][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.779222][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.793407][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.803863][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.815748][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.842037][ T4376] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.855581][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.865440][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.877190][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.144809][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.153048][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.164517][ T4376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.181599][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.190802][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.212108][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.221276][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.235963][ T4376] device veth0_vlan entered promiscuous mode [ 82.244847][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.253870][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.267377][ T4376] device veth1_vlan entered promiscuous mode [ 82.295705][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.304057][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.316590][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.326303][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.337196][ T4376] device veth0_macvtap entered promiscuous mode [ 82.352682][ T4376] device veth1_macvtap entered promiscuous mode [ 82.377946][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.385287][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.395581][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.404259][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.414382][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.430255][ T4376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.443010][ T4376] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.447890][ T49] Bluetooth: hci0: command 0x040f tx timeout [ 82.452228][ T4376] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.466729][ T4376] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.476551][ T4376] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.492252][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.501268][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.565804][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.578429][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.586422][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 82.606121][ T34] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2026/08/05 16:50:21 executed programs: 2 [ 82.614875][ T34] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.625896][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.518000][ T4308] Bluetooth: hci0: command 0x0419 tx timeout [ 86.764884][ T1173] cfg80211: failed to load regulatory.db 2026/08/05 16:50:26 executed programs: 235 [ 132.839470][ T1278] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.845835][ T1278] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.279578][ T1278] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.285917][ T1278] ieee802154 phy1 wpan1: encryption failed: -22 [ 201.478006][ T49] Bluetooth: hci0: command 0x0406 tx timeout [ 233.317990][ T28] INFO: task kworker/u4:6:4361 blocked for more than 143 seconds. [ 233.325978][ T28] Not tainted syzkaller #0 [ 233.332228][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.340991][ T28] task:kworker/u4:6 state:D stack:21952 pid:4361 ppid:2 flags:0x00004000 [ 233.350885][ T28] Workqueue: writeback wb_workfn (flush-8:0) [ 233.357072][ T28] Call Trace: [ 233.360475][ T28] [ 233.363519][ T28] __schedule+0x107f/0x4030 [ 233.368820][ T28] ? __sched_text_start+0x8/0x8 [ 233.373676][ T28] ? blk_check_plugged+0x250/0x250 [ 233.379085][ T28] ? blk_check_plugged+0x250/0x250 [ 233.384214][ T28] ? rq_wait_inc_below+0x11b/0x1a0 [ 233.389554][ T28] ? wq_worker_sleeping+0x60/0x280 [ 233.394805][ T28] schedule+0xb9/0x180 [ 233.399000][ T28] io_schedule+0x7c/0xd0 [ 233.403272][ T28] rq_qos_wait+0x227/0x350 [ 233.407852][ T28] ? wbt_inflight_cb+0x3f0/0x3f0 [ 233.412871][ T28] ? rq_depth_scale_down+0x2f0/0x2f0 [ 233.418225][ T28] ? rq_qos_wait+0x350/0x350 [ 233.422822][ T28] ? wbt_exit+0x90/0x90 [ 233.426986][ T28] ? __bio_split_to_limits+0x637/0x14a0 [ 233.432748][ T28] wbt_wait+0x384/0x650 [ 233.437048][ T28] ? rwb_trace_step+0x3c0/0x3c0 [ 233.442200][ T28] ? bio_map_kern_endio+0x20/0x20 [ 233.447266][ T28] ? rwb_trace_step+0x3c0/0x3c0 [ 233.452184][ T28] __rq_qos_throttle+0x61/0xa0 [ 233.456960][ T28] blk_mq_submit_bio+0x8ef/0x2100 [ 233.462149][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 233.468255][ T28] ? blk_mq_try_issue_list_directly+0x4a0/0x4a0 [ 233.474528][ T28] ? seqcount_lockdep_reader_access+0x127/0x1d0 [ 233.484768][ T28] ? lockdep_hardirqs_on+0x94/0x140 [ 233.490104][ T28] ? ktime_get+0x7b/0x270 [ 233.494441][ T28] ? seqcount_lockdep_reader_access+0x18d/0x1d0 [ 233.500776][ T28] __submit_bio+0x1a2/0x290 [ 233.505384][ T28] ? trace_raw_output_block_rq_remap+0x240/0x240 [ 233.511806][ T28] submit_bio_noacct_nocheck+0x7f1/0xaa0 [ 233.517453][ T28] ? should_fail_request+0x70/0x70 [ 233.522639][ T28] ? submit_bio_noacct+0xeea/0x1940 [ 233.527917][ T28] ext4_io_submit+0xd8/0x140 [ 233.532618][ T28] ext4_writepages+0xf76/0x2e70 [ 233.537536][ T28] ? ext4_read_folio+0x370/0x370 [ 233.542533][ T28] ? mark_lock+0x94/0x320 [ 233.546902][ T28] ? writeback_sb_inodes+0x44d/0x17f0 [ 233.552385][ T28] ? ext4_read_folio+0x370/0x370 [ 233.557347][ T28] do_writepages+0x3c6/0x640 [ 233.562093][ T28] ? __writepage+0x130/0x130 [ 233.566693][ T28] ? writeback_sb_inodes+0x6d1/0x17f0 [ 233.572163][ T28] ? __lock_acquire+0x7c40/0x7c40 [ 233.577198][ T28] ? do_raw_spin_lock+0x128/0x2f0 [ 233.582270][ T28] __writeback_single_inode+0x153/0x1170 [ 233.587977][ T28] writeback_sb_inodes+0xad5/0x17f0 [ 233.593187][ T28] ? queue_io+0x570/0x570 [ 233.597530][ T28] ? __rwlock_init+0x140/0x140 [ 233.602352][ T28] __writeback_inodes_wb+0x12a/0x3f0 [ 233.607662][ T28] wb_writeback+0x484/0xd40 [ 233.612273][ T28] ? percpu_ref_tryget+0x250/0x250 [ 233.617434][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 233.623485][ T28] ? __lock_acquire+0x7c40/0x7c40 [ 233.628586][ T28] wb_workfn+0xb68/0xee0 [ 233.632834][ T28] ? inode_wait_for_writeback+0x220/0x220 [ 233.638668][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 233.644667][ T28] ? __lock_acquire+0x7c40/0x7c40 [ 233.649774][ T28] ? read_lock_is_recursive+0x10/0x10 [ 233.655172][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 233.660432][ T28] ? process_one_work+0x7b4/0x1160 [ 233.665649][ T28] process_one_work+0x8ab/0x1160 [ 233.670670][ T28] ? worker_detach_from_pool+0x240/0x240 [ 233.676322][ T28] ? _raw_spin_lock_irq+0xb7/0xf0 [ 233.681451][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 233.687037][ T28] ? wq_worker_running+0x97/0x190 [ 233.692137][ T28] worker_thread+0xaf5/0x12a0 [ 233.696831][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 233.702789][ T28] kthread+0x29d/0x330 [ 233.706869][ T28] ? worker_clr_flags+0x1a0/0x1a0 [ 233.711984][ T28] ? kthread_blkcg+0xd0/0xd0 [ 233.716588][ T28] ret_from_fork+0x1f/0x30 [ 233.721103][ T28] [ 233.724241][ T28] INFO: task syz.0.252:4673 blocked for more than 143 seconds. [ 233.731891][ T28] Not tainted syzkaller #0 [ 233.736824][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.745554][ T28] task:syz.0.252 state:D stack:27632 pid:4673 ppid:4376 flags:0x00004004 [ 233.754849][ T28] Call Trace: [ 233.758156][ T28] [ 233.761093][ T28] __schedule+0x107f/0x4030 [ 233.765610][ T28] ? mark_lock+0x94/0x320 [ 233.770034][ T28] ? __lock_acquire+0x7c40/0x7c40 [ 233.775070][ T28] ? __sched_text_start+0x8/0x8 [ 233.779974][ T28] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 233.785890][ T28] ? lockdep_hardirqs_on+0x94/0x140 [ 233.791180][ T28] schedule+0xb9/0x180 [ 233.795272][ T28] io_schedule+0x7c/0xd0 [ 233.799582][ T28] bit_wait_io+0xd/0xc0 [ 233.803759][ T28] __wait_on_bit+0x9b/0x2c0 [ 233.808336][ T28] ? bit_wait+0xc0/0xc0 [ 233.812512][ T28] out_of_line_wait_on_bit+0x138/0x190 [ 233.818052][ T28] ? bit_wait+0xc0/0xc0 [ 233.822219][ T28] ? __wait_on_bit+0x2c0/0x2c0 [ 233.827012][ T28] ? do_raw_spin_lock+0x128/0x2f0 [ 233.832103][ T28] ? bit_waitqueue+0x30/0x30 [ 233.836810][ T28] ? do_raw_spin_unlock+0x11d/0x230 [ 233.842092][ T28] do_get_write_access+0x605/0xf20 [ 233.847343][ T28] jbd2_journal_get_write_access+0x108/0x140 [ 233.853401][ T28] __ext4_journal_get_write_access+0x24b/0x6e0 [ 233.859708][ T28] ? __ext4_journal_ensure_credits+0x450/0x450 [ 233.865869][ T28] ? rcu_is_watching+0x11/0xa0 [ 233.870792][ T28] ext4_reserve_inode_write+0x201/0x290 [ 233.876383][ T28] __ext4_mark_inode_dirty+0x161/0x760 [ 233.881921][ T28] ext4_dirty_inode+0xbf/0x100 [ 233.886689][ T28] ? __ext4_expand_extra_isize+0x3e0/0x3e0 [ 233.892586][ T28] __mark_inode_dirty+0x2e7/0xe80 [ 233.897633][ T28] __file_update_time+0x21d/0x240 [ 233.902756][ T28] file_update_time+0x2f3/0x370 [ 233.907614][ T28] ? __file_remove_privs+0x5f0/0x5f0 [ 233.912989][ T28] ext4_page_mkwrite+0x1a9/0x10d0 [ 233.918078][ T28] ? pte_alloc_one+0x287/0x310 [ 233.922905][ T28] ? ext4_change_inode_journal_flag+0x710/0x710 [ 233.929242][ T28] do_page_mkwrite+0x16b/0x5c0 [ 233.934167][ T28] handle_mm_fault+0x199c/0x3d40 [ 233.939151][ T28] ? mt_find+0x157/0x830 [ 233.943504][ T28] ? numa_migrate_prep+0x250/0x250 [ 233.948715][ T28] ? lock_chain_count+0x20/0x20 [ 233.953585][ T28] ? lock_mm_and_find_vma+0xae/0x2f0 [ 233.958956][ T28] do_user_addr_fault+0x58e/0xb20 [ 233.964011][ T28] exc_page_fault+0x60/0x100 [ 233.968669][ T28] ? clear_bhb_loop+0x60/0xb0 [ 233.973457][ T28] asm_exc_page_fault+0x22/0x30 [ 233.978384][ T28] RIP: 0033:0x7fe587c6b9e3 [ 233.982830][ T28] RSP: 002b:00007fff947d37e0 EFLAGS: 00010246 [ 233.989035][ T28] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000 [ 233.997026][ T28] RDX: 0000001b2e324000 RSI: 0000000000040000 RDI: 00007fe587fe0708 [ 234.005111][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.013151][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.021226][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff947d3a70 [ 234.029277][ T28] [ 234.032319][ T28] [ 234.032319][ T28] Showing all locks held in the system: [ 234.040120][ T28] 1 lock held by rcu_tasks_kthre/12: [ 234.045411][ T28] #0: ffffffff8cb2e4f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 [ 234.056021][ T28] 1 lock held by rcu_tasks_trace/13: [ 234.061344][ T28] #0: ffffffff8cb2ed10 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 [ 234.072366][ T28] 1 lock held by khungtaskd/28: [ 234.077261][ T28] #0: ffffffff8cb2db60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 234.087208][ T28] 2 locks held by getty/4029: [ 234.091928][ T28] #0: ffff88802f977098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 234.101830][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360 [ 234.112006][ T28] 4 locks held by kworker/u4:6/4361: [ 234.117304][ T28] #0: ffff88801c657138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 234.127980][ T28] #1: ffffc900032e7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160 [ 234.139904][ T28] #2: ffff88807f4260e0 (&type->s_umount_key#31){++++}-{3:3}, at: trylock_super+0x1c/0xf0 [ 234.149977][ T28] #3: ffff88807f428c18 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2e70 [ 234.160659][ T28] 3 locks held by syz.0.252/4673: [ 234.165685][ T28] #0: ffff88802ce31058 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2f0 [ 234.175718][ T28] #1: ffff88807f426558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x192/0x10d0 [ 234.185543][ T28] #2: ffff88807f42a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x2014/0x2240 [ 234.195390][ T28] 3 locks held by syz-executor/4677: [ 234.200717][ T28] #0: ffff88807f426460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 234.209934][ T28] #1: ffff888074f04030 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x20b/0x450 [ 234.220729][ T28] #2: ffff88807f42a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x2014/0x2240 [ 234.230490][ T28] [ 234.232816][ T28] ============================================= [ 234.232816][ T28] [ 234.241263][ T28] NMI backtrace for cpu 1 [ 234.245602][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0 [ 234.252801][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 234.262860][ T28] Call Trace: [ 234.266126][ T28] [ 234.269048][ T28] dump_stack_lvl+0x188/0x24e [ 234.273752][ T28] ? show_regs_print_info+0x12/0x12 [ 234.278936][ T28] ? load_image+0x410/0x410 [ 234.283423][ T28] ? vprintk_emit+0x59f/0x6a0 [ 234.288105][ T28] ? printk_sprint+0x460/0x460 [ 234.292855][ T28] nmi_cpu_backtrace+0x3e6/0x460 [ 234.297796][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450 [ 234.304000][ T28] ? _printk+0xda/0x130 [ 234.308171][ T28] ? load_image+0x410/0x410 [ 234.312683][ T28] ? load_image+0x410/0x410 [ 234.317181][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450 [ 234.323244][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 234.329381][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450 [ 234.335364][ T28] watchdog+0xf0e/0xf50 [ 234.339546][ T28] ? watchdog+0x1ed/0xf50 [ 234.343873][ T28] kthread+0x29d/0x330 [ 234.347937][ T28] ? hungtask_pm_notify+0x40/0x40 [ 234.352985][ T28] ? kthread_blkcg+0xd0/0xd0 [ 234.357572][ T28] ret_from_fork+0x1f/0x30 [ 234.362022][ T28] [ 234.365268][ T28] Sending NMI from CPU 1 to CPUs 0: [ 234.370562][ C0] NMI backtrace for cpu 0 [ 234.370571][ C0] CPU: 0 PID: 3629 Comm: klogd Not tainted syzkaller #0 [ 234.370584][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 234.370593][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x32/0x80 [ 234.370617][ C0] Code: b4 3d 80 7e 65 8b 0d b5 3d 80 7e 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 1c 16 00 00 00 74 52 8b 8a f8 15 00 00 <83> f9 03 75 47 48 8b 8a 00 16 00 00 44 8b 8a fc 15 00 00 49 c1 e1 [ 234.370712][ C0] RSP: 0018:ffffc900032a7828 EFLAGS: 00000246 [ 234.370726][ C0] RAX: ffffffff8a20fb7e RBX: ffff0a00ffffff0f RCX: 0000000000000000 [ 234.370736][ C0] RDX: ffff88807d4b9e00 RSI: 0000000000000020 RDI: 0000000000000029 [ 234.370745][ C0] RBP: ffffffff8a8cdea4 R08: ffff88807d4b9e00 R09: 0000000000000012 [ 234.370755][ C0] R10: 0000000000000012 R11: 0000000000000000 R12: 0000000000000020 [ 234.370763][ C0] R13: ffffc900032a7a01 R14: dffffc0000000000 R15: ffffffff8a8cdea2 [ 234.370774][ C0] FS: 00007fc7331dbc80(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 234.370786][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 234.370796][ C0] CR2: 00005643441ee168 CR3: 000000007f8a7000 CR4: 00000000003506f0 [ 234.370809][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 234.370816][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 234.370825][ C0] Call Trace: [ 234.370830][ C0] [ 234.370835][ C0] vsnprintf+0x59e/0x1c20 [ 234.370858][ C0] snprintf+0xe5/0x140 [ 234.370874][ C0] ? vscnprintf+0x80/0x80 [ 234.370893][ C0] info_print_prefix+0x1fa/0x360 [ 234.370915][ C0] ? msg_add_dict_text+0x3d0/0x3d0 [ 234.370940][ C0] record_print_text+0x17e/0x4a0 [ 234.370962][ C0] ? __lock_acquire+0x7c40/0x7c40 [ 234.370981][ C0] ? kmsg_dump_get_line+0x3e0/0x3e0 [ 234.371002][ C0] ? __might_fault+0xa6/0x120 [ 234.371017][ C0] ? __might_fault+0xc2/0x120 [ 234.371030][ C0] ? __might_fault+0xa6/0x120 [ 234.371046][ C0] syslog_print+0x3c7/0x630 [ 234.371065][ C0] ? do_syslog+0x900/0x900 [ 234.371087][ C0] ? apparmor_socket_sendmsg+0x8a/0x330 [ 234.371169][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 234.371211][ C0] ? security_socket_sendmsg+0x7c/0xa0 [ 234.371252][ C0] ? wake_bit_function+0x200/0x200 [ 234.371272][ C0] ? bpf_lsm_capable+0x5/0x10 [ 234.371314][ C0] ? security_capable+0x85/0xb0 [ 234.371362][ C0] do_syslog+0x817/0x900 [ 234.371381][ C0] ? log_buf_vmcoreinfo_setup+0x450/0x450 [ 234.371413][ C0] ? lock_chain_count+0x20/0x20 [ 234.371435][ C0] __x64_sys_syslog+0x78/0x90 [ 234.371454][ C0] do_syscall_64+0x4c/0xa0 [ 234.371474][ C0] ? clear_bhb_loop+0x60/0xb0 [ 234.371492][ C0] ? clear_bhb_loop+0x60/0xb0 [ 234.371511][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 234.371529][ C0] RIP: 0033:0x7fc7333a5a37 [ 234.371541][ C0] Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48 [ 234.371552][ C0] RSP: 002b:00007ffd38b0bc98 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 234.371565][ C0] RAX: ffffffffffffffda RBX: 00007fc733545490 RCX: 00007fc7333a5a37 [ 234.371575][ C0] RDX: 00000000000003ff RSI: 00007fc733545490 RDI: 0000000000000002 [ 234.371584][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.371592][ C0] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fc733545490 [ 234.371600][ C0] R13: 00007fc733522dfe R14: 00007fc733545525 R15: 00007fc733545525 [ 234.371616][ C0] [ 234.373811][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 234.725286][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0 [ 234.732473][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 234.742521][ T28] Call Trace: [ 234.745798][ T28] [ 234.748722][ T28] dump_stack_lvl+0x188/0x24e [ 234.753399][ T28] ? memcpy+0x3c/0x60 [ 234.757467][ T28] ? show_regs_print_info+0x12/0x12 [ 234.762660][ T28] ? load_image+0x410/0x410 [ 234.767161][ T28] panic+0x2d3/0x710 [ 234.771047][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 234.776679][ T28] ? bpf_jit_dump+0xd0/0xd0 [ 234.781206][ T28] ? __irq_work_queue_local+0x12c/0x190 [ 234.786856][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450 [ 234.793012][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450 [ 234.799165][ T28] watchdog+0xf4d/0xf50 [ 234.803341][ T28] ? watchdog+0x1ed/0xf50 [ 234.807680][ T28] kthread+0x29d/0x330 [ 234.811755][ T28] ? hungtask_pm_notify+0x40/0x40 [ 234.816782][ T28] ? kthread_blkcg+0xd0/0xd0 [ 234.821372][ T28] ret_from_fork+0x1f/0x30 [ 234.825797][ T28] [ 234.829074][ T28] Kernel Offset: disabled [ 234.833411][ T28] Rebooting in 86400 seconds..