Warning: Permanently added '10.128.0.236' (ED25519) to the list of known hosts.
2026/08/05 17:17:05 parsed 1 programs
2026/08/05 17:17:05 serving rpc on tcp://34821
[ 97.221745][ T4290] cgroup: Unknown subsys name 'net'
[ 97.328877][ T4290] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 98.909524][ T4290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 101.464859][ T4326] chnl_net:caif_netlink_parms(): no params data found
[ 101.513944][ T4326] bridge0: port 1(bridge_slave_0) entered blocking state
[ 101.522036][ T4326] bridge0: port 1(bridge_slave_0) entered disabled state
[ 101.529807][ T4326] device bridge_slave_0 entered promiscuous mode
[ 101.543967][ T4326] bridge0: port 2(bridge_slave_1) entered blocking state
[ 101.551197][ T4326] bridge0: port 2(bridge_slave_1) entered disabled state
[ 101.558888][ T4326] device bridge_slave_1 entered promiscuous mode
[ 101.579007][ T4326] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 101.589740][ T4326] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 101.614293][ T4326] team0: Port device team_slave_0 added
[ 101.621801][ T4326] team0: Port device team_slave_1 added
[ 101.637955][ T4326] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 101.645093][ T4326] 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.
[ 101.671050][ T4326] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 101.691852][ T4326] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 101.698817][ T4326] 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.
[ 101.724911][ T4326] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 101.759990][ T4326] device hsr_slave_0 entered promiscuous mode
[ 101.766744][ T4326] device hsr_slave_1 entered promiscuous mode
[ 101.865958][ T4326] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 101.885166][ T4326] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 101.894129][ T4326] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 101.904150][ T4326] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 101.925880][ T4326] bridge0: port 2(bridge_slave_1) entered blocking state
[ 101.933120][ T4326] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 101.941088][ T4326] bridge0: port 1(bridge_slave_0) entered blocking state
[ 101.948194][ T4326] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 102.013441][ T4326] 8021q: adding VLAN 0 to HW filter on device bond0
[ 102.034051][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 102.045154][ T1150] bridge0: port 1(bridge_slave_0) entered disabled state
[ 102.054810][ T1150] bridge0: port 2(bridge_slave_1) entered disabled state
[ 102.068567][ T4326] 8021q: adding VLAN 0 to HW filter on device team0
[ 102.082793][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 102.092232][ T1150] bridge0: port 1(bridge_slave_0) entered blocking state
[ 102.099307][ T1150] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 102.110820][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 102.119289][ T1150] bridge0: port 2(bridge_slave_1) entered blocking state
[ 102.126420][ T1150] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 102.162771][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 102.172218][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 102.182086][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 102.196916][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 102.213629][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 102.224592][ T4326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 102.383432][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 102.393620][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 102.408183][ T4326] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 102.424319][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 102.433537][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 102.455875][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 102.464524][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 102.473658][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 102.481809][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 102.497140][ T4326] device veth0_vlan entered promiscuous mode
[ 102.511157][ T4326] device veth1_vlan entered promiscuous mode
[ 102.529392][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 102.537581][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 102.546581][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 102.555417][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 102.569213][ T4326] device veth0_macvtap entered promiscuous mode
[ 102.582303][ T4326] device veth1_macvtap entered promiscuous mode
[ 102.597420][ T4326] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 102.605889][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 102.615574][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 102.623936][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 102.633119][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 102.647379][ T4326] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 102.656678][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 102.665260][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 102.676669][ T4326] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.686109][ T4326] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.694862][ T4326] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.703995][ T4326] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.885914][ T47] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 102.919040][ T1150] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 102.927663][ T1150] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 102.940023][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 102.958239][ T33] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 102.967321][ T33] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 102.976504][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 104.003070][ T4362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 104.011997][ T4362] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 104.019432][ T4364] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 104.027717][ T4364] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 104.036138][ T4364] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 104.043937][ T4364] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2026/08/05 17:17:14 executed programs: 0
[ 104.833178][ T49] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 104.841114][ T49] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 104.848795][ T49] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 104.856917][ T49] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 104.865157][ T49] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 104.872793][ T49] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 104.983483][ T4380] chnl_net:caif_netlink_parms(): no params data found
[ 105.027062][ T4380] bridge0: port 1(bridge_slave_0) entered blocking state
[ 105.034378][ T4380] bridge0: port 1(bridge_slave_0) entered disabled state
[ 105.042883][ T4380] device bridge_slave_0 entered promiscuous mode
[ 105.052200][ T4380] bridge0: port 2(bridge_slave_1) entered blocking state
[ 105.059299][ T4380] bridge0: port 2(bridge_slave_1) entered disabled state
[ 105.067519][ T4380] device bridge_slave_1 entered promiscuous mode
[ 105.087908][ T4380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 105.098805][ T4380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 105.122815][ T4380] team0: Port device team_slave_0 added
[ 105.129957][ T4380] team0: Port device team_slave_1 added
[ 105.147313][ T4380] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 105.154509][ T4380] 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.
[ 105.180635][ T4380] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 105.193456][ T4380] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 105.200409][ T4380] 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.
[ 105.226349][ T4380] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 105.257890][ T4380] device hsr_slave_0 entered promiscuous mode
[ 105.264988][ T4380] device hsr_slave_1 entered promiscuous mode
[ 105.272047][ T4380] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 105.279872][ T4380] Cannot create hsr debugfs directory
[ 105.561690][ T47] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 106.961604][ T4364] Bluetooth: hci0: command 0x0409 tx timeout
[ 107.969113][ T47] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 108.042154][ T47] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 108.890285][ T47] device hsr_slave_0 left promiscuous mode
[ 108.897206][ T47] device hsr_slave_1 left promiscuous mode
[ 108.908830][ T47] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 108.916638][ T47] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 108.927907][ T47] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 108.935674][ T47] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 108.946214][ T47] device bridge_slave_1 left promiscuous mode
[ 108.953579][ T47] bridge0: port 2(bridge_slave_1) entered disabled state
[ 108.966463][ T47] device bridge_slave_0 left promiscuous mode
[ 108.974251][ T47] bridge0: port 1(bridge_slave_0) entered disabled state
[ 109.002380][ T47] device veth1_macvtap left promiscuous mode
[ 109.008923][ T47] device veth0_macvtap left promiscuous mode
[ 109.016463][ T47] device veth1_vlan left promiscuous mode
[ 109.022541][ T47] device veth0_vlan left promiscuous mode
[ 109.040903][ T4364] Bluetooth: hci0: command 0x041b tx timeout
[ 109.360207][ T47] team0 (unregistering): Port device team_slave_1 removed
[ 109.389246][ T47] team0 (unregistering): Port device team_slave_0 removed
[ 109.417973][ T47] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 109.447869][ T47] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 109.639780][ T47] bond0 (unregistering): Released all slaves
[ 109.726477][ T4380] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 109.735900][ T4380] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 109.750412][ T4380] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 109.759813][ T4380] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 109.831418][ T4380] 8021q: adding VLAN 0 to HW filter on device bond0
[ 109.862967][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 109.871124][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 109.881551][ T4380] 8021q: adding VLAN 0 to HW filter on device team0
[ 109.891286][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 109.900101][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 109.909638][ T11] bridge0: port 1(bridge_slave_0) entered blocking state
[ 109.916828][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 109.924855][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 109.950277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 109.960203][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 109.970089][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 109.977244][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 109.985436][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 109.995094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 110.019113][ T4380] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 110.029787][ T4380] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 110.042290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 110.052752][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 110.061325][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 110.069802][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 110.083970][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 110.092812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 110.102328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 110.111234][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 110.119479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 110.127582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 110.393533][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 110.405491][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 110.421079][ T4380] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 110.447991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 110.458175][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 110.477764][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 110.487620][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 110.497015][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 110.505270][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 110.516244][ T4380] device veth0_vlan entered promiscuous mode
[ 110.527516][ T4380] device veth1_vlan entered promiscuous mode
[ 110.545193][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 110.553744][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 110.562221][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 110.571589][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 110.581576][ T4380] device veth0_macvtap entered promiscuous mode
[ 110.590027][ T4380] device veth1_macvtap entered promiscuous mode
[ 110.606390][ T4380] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 110.613857][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 110.622961][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 110.631316][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 110.641269][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 110.654134][ T4380] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 110.661834][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 110.670413][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 110.682309][ T4380] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.691168][ T4380] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.699867][ T4380] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.709321][ T4380] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.778780][ T33] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 110.791071][ T33] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 110.802687][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/08/05 17:17:20 executed programs: 2
[ 110.836722][ T1150] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 110.845943][ T1150] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 110.874212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 111.131035][ T4364] Bluetooth: hci0: command 0x040f tx timeout
[ 113.200760][ T4364] Bluetooth: hci0: command 0x0419 tx timeout
2026/08/05 17:17:25 executed programs: 206
[ 132.882499][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.889024][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.322372][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.328721][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[ 227.120642][ T49] Bluetooth: hci0: command 0x0406 tx timeout
[ 255.762327][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.768651][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[ 260.890864][ T28] INFO: task kworker/u4:4:1150 blocked for more than 143 seconds.
[ 260.898849][ T28] Not tainted syzkaller #0
[ 260.904027][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 260.912875][ T28] task:kworker/u4:4 state:D stack:21888 pid:1150 ppid:2 flags:0x00004000
[ 260.922137][ T28] Workqueue: writeback wb_workfn (flush-8:0)
[ 260.928128][ T28] Call Trace:
[ 260.931677][ T28]
[ 260.934628][ T28] __schedule+0x107f/0x4030
[ 260.939144][ T28] ? __sched_text_start+0x8/0x8
[ 260.944072][ T28] ? blk_check_plugged+0x250/0x250
[ 260.949228][ T28] ? blk_check_plugged+0x250/0x250
[ 260.954433][ T28] ? rq_wait_inc_below+0x11b/0x1a0
[ 260.959570][ T28] ? wq_worker_sleeping+0x60/0x280
[ 260.964824][ T28] schedule+0xb9/0x180
[ 260.968928][ T28] io_schedule+0x7c/0xd0
[ 260.973291][ T28] rq_qos_wait+0x227/0x350
[ 260.977732][ T28] ? wbt_inflight_cb+0x3f0/0x3f0
[ 260.982738][ T28] ? rq_depth_scale_down+0x2f0/0x2f0
[ 260.988056][ T28] ? rq_qos_wait+0x350/0x350
[ 260.992767][ T28] ? wbt_exit+0x90/0x90
[ 260.996961][ T28] ? __bio_split_to_limits+0x637/0x14a0
[ 261.002589][ T28] wbt_wait+0x384/0x650
[ 261.006777][ T28] ? rwb_trace_step+0x3c0/0x3c0
[ 261.011727][ T28] ? bio_map_kern_endio+0x20/0x20
[ 261.016783][ T28] ? rwb_trace_step+0x3c0/0x3c0
[ 261.021756][ T28] __rq_qos_throttle+0x61/0xa0
[ 261.026557][ T28] blk_mq_submit_bio+0x8ef/0x2100
[ 261.031857][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 261.037884][ T28] ? blk_mq_try_issue_list_directly+0x4a0/0x4a0
[ 261.044183][ T28] ? seqcount_lockdep_reader_access+0x127/0x1d0
[ 261.050462][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 261.055727][ T28] ? ktime_get+0x7b/0x270
[ 261.060113][ T28] ? seqcount_lockdep_reader_access+0x18d/0x1d0
[ 261.066396][ T28] __submit_bio+0x1a2/0x290
[ 261.070977][ T28] ? trace_raw_output_block_rq_remap+0x240/0x240
[ 261.077345][ T28] submit_bio_noacct_nocheck+0x7f1/0xaa0
[ 261.083022][ T28] ? should_fail_request+0x70/0x70
[ 261.088169][ T28] ? submit_bio_noacct+0xeea/0x1940
[ 261.093412][ T28] ext4_io_submit+0xd8/0x140
[ 261.098022][ T28] ext4_writepages+0xf76/0x2e70
[ 261.102916][ T28] ? unwind_next_frame+0x1719/0x1fd0
[ 261.108241][ T28] ? ext4_read_folio+0x370/0x370
[ 261.113234][ T28] ? mark_lock+0x94/0x320
[ 261.117642][ T28] ? writeback_sb_inodes+0x44d/0x17f0
[ 261.123843][ T28] ? ext4_read_folio+0x370/0x370
[ 261.128821][ T28] do_writepages+0x3c6/0x640
[ 261.133571][ T28] ? __writepage+0x130/0x130
[ 261.138308][ T28] ? writeback_sb_inodes+0x6d1/0x17f0
[ 261.143751][ T28] ? __lock_acquire+0x7c40/0x7c40
[ 261.148818][ T28] ? do_raw_spin_lock+0x128/0x2f0
[ 261.153905][ T28] __writeback_single_inode+0x153/0x1170
[ 261.159565][ T28] writeback_sb_inodes+0xad5/0x17f0
[ 261.164882][ T28] ? queue_io+0x570/0x570
[ 261.169240][ T28] ? __rwlock_init+0x140/0x140
[ 261.174090][ T28] __writeback_inodes_wb+0x12a/0x3f0
[ 261.179407][ T28] wb_writeback+0x484/0xd40
[ 261.183964][ T28] ? percpu_ref_tryget+0x250/0x250
[ 261.189098][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 261.195136][ T28] ? __lock_acquire+0x7c40/0x7c40
[ 261.200193][ T28] wb_workfn+0xb68/0xee0
[ 261.204572][ T28] ? inode_wait_for_writeback+0x220/0x220
[ 261.210338][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 261.216431][ T28] ? __lock_acquire+0x7c40/0x7c40
[ 261.221555][ T28] ? read_lock_is_recursive+0x10/0x10
[ 261.227109][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 261.233082][ T28] ? _raw_spin_unlock+0x40/0x40
[ 261.238281][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 261.243662][ T28] ? process_one_work+0x7b4/0x1160
[ 261.248824][ T28] process_one_work+0x8ab/0x1160
[ 261.253851][ T28] ? worker_detach_from_pool+0x240/0x240
[ 261.259513][ T28] ? _raw_spin_lock_irq+0xb7/0xf0
[ 261.264602][ T28] ? _raw_spin_lock_irqsave+0x100/0x100
[ 261.270169][ T28] ? wq_worker_running+0x97/0x190
[ 261.275239][ T28] worker_thread+0xaf5/0x12a0
[ 261.279942][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 261.285886][ T28] kthread+0x29d/0x330
[ 261.289979][ T28] ? worker_clr_flags+0x1a0/0x1a0
[ 261.295037][ T28] ? kthread_blkcg+0xd0/0xd0
[ 261.299656][ T28] ret_from_fork+0x1f/0x30
[ 261.304127][ T28]
[ 261.307224][ T28] INFO: task syz.0.223:4648 blocked for more than 143 seconds.
[ 261.314824][ T28] Not tainted syzkaller #0
[ 261.319769][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 261.328496][ T28] task:syz.0.223 state:D stack:27632 pid:4648 ppid:4380 flags:0x00004004
[ 261.337761][ T28] Call Trace:
[ 261.341340][ T28]
[ 261.344299][ T28] __schedule+0x107f/0x4030
[ 261.349247][ T28] ? mark_lock+0x94/0x320
[ 261.353778][ T28] ? __lock_acquire+0x7c40/0x7c40
[ 261.358858][ T28] ? __sched_text_start+0x8/0x8
[ 261.363831][ T28] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 261.369758][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 261.375043][ T28] schedule+0xb9/0x180
[ 261.379149][ T28] io_schedule+0x7c/0xd0
[ 261.383467][ T28] bit_wait_io+0xd/0xc0
[ 261.387653][ T28] __wait_on_bit+0x9b/0x2c0
[ 261.392207][ T28] ? bit_wait+0xc0/0xc0
[ 261.396395][ T28] out_of_line_wait_on_bit+0x138/0x190
[ 261.401900][ T28] ? bit_wait+0xc0/0xc0
[ 261.406080][ T28] ? __wait_on_bit+0x2c0/0x2c0
[ 261.410907][ T28] ? do_raw_spin_lock+0x128/0x2f0
[ 261.416059][ T28] ? bit_waitqueue+0x30/0x30
[ 261.420724][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 261.425949][ T28] do_get_write_access+0x605/0xf20
[ 261.431139][ T28] jbd2_journal_get_write_access+0x108/0x140
[ 261.437138][ T28] __ext4_journal_get_write_access+0x24b/0x6e0
[ 261.443511][ T28] ? __ext4_journal_ensure_credits+0x450/0x450
[ 261.449713][ T28] ? rcu_is_watching+0x11/0xa0
[ 261.454543][ T28] ext4_reserve_inode_write+0x201/0x290
[ 261.460155][ T28] __ext4_mark_inode_dirty+0x161/0x760
[ 261.465787][ T28] ext4_dirty_inode+0xbf/0x100
[ 261.470645][ T28] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 261.476489][ T28] __mark_inode_dirty+0x2e7/0xe80
[ 261.481579][ T28] __file_update_time+0x21d/0x240
[ 261.486628][ T28] file_update_time+0x2f3/0x370
[ 261.491531][ T28] ? __file_remove_privs+0x5f0/0x5f0
[ 261.496853][ T28] ext4_page_mkwrite+0x1a9/0x10d0
[ 261.501922][ T28] ? pte_alloc_one+0x287/0x310
[ 261.506710][ T28] ? ext4_change_inode_journal_flag+0x710/0x710
[ 261.512999][ T28] do_page_mkwrite+0x16b/0x5c0
[ 261.517793][ T28] handle_mm_fault+0x199c/0x3d40
[ 261.522767][ T28] ? mt_find+0x157/0x830
[ 261.527039][ T28] ? numa_migrate_prep+0x250/0x250
[ 261.532199][ T28] ? lock_chain_count+0x20/0x20
[ 261.537080][ T28] ? lock_mm_and_find_vma+0xae/0x2f0
[ 261.542408][ T28] do_user_addr_fault+0x58e/0xb20
[ 261.547581][ T28] exc_page_fault+0x60/0x100
[ 261.552239][ T28] ? clear_bhb_loop+0x60/0xb0
[ 261.556959][ T28] asm_exc_page_fault+0x22/0x30
[ 261.561845][ T28] RIP: 0033:0x7f2870e6b9e3
[ 261.566292][ T28] RSP: 002b:00007fffae770290 EFLAGS: 00010246
[ 261.572479][ T28] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
[ 261.580488][ T28] RDX: 0000001b2e724000 RSI: 0000000000040000 RDI: 00007f28711e0708
[ 261.588543][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 261.596586][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 261.604765][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffae770520
[ 261.612808][ T28]
[ 261.615856][ T28]
[ 261.615856][ T28] Showing all locks held in the system:
[ 261.623698][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 261.629003][ T28] #0: ffffffff8cb2e4f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0
[ 261.639512][ T28] 1 lock held by rcu_tasks_trace/13:
[ 261.644828][ T28] #0: ffffffff8cb2ed10 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0
[ 261.655987][ T28] 1 lock held by khungtaskd/28:
[ 261.660893][ T28] #0: ffffffff8cb2db60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 261.670882][ T28] 4 locks held by kworker/u4:4/1150:
[ 261.676178][ T28] #0: ffff888141647938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 261.686909][ T28] #1: ffffc90004f0fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7b4/0x1160
[ 261.698802][ T28] #2: ffff88814d6880e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 261.708773][ T28] #3: ffff88814d68ac18 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2e70
[ 261.719395][ T28] 2 locks held by getty/4033:
[ 261.724119][ T28] #0: ffff88814d45a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 261.733968][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360
[ 261.744173][ T28] 3 locks held by syz.0.223/4648:
[ 261.749362][ T28] #0: ffff88801d77bd58 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2f0
[ 261.759383][ T28] #1: ffff88814d688558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x192/0x10d0
[ 261.769201][ T28] #2: ffff88814d68c990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x2014/0x2240
[ 261.778907][ T28] 3 locks held by syz-executor/4651:
[ 261.784218][ T28] #0: ffff88814d688460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90
[ 261.793479][ T28] #1: ffff888074fcde48 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x20b/0x450
[ 261.804181][ T28] #2: ffff88814d68c990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x2014/0x2240
[ 261.813902][ T28]
[ 261.816239][ T28] =============================================
[ 261.816239][ T28]
[ 261.824992][ T28] NMI backtrace for cpu 1
[ 261.829338][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 261.836525][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.846593][ T28] Call Trace:
[ 261.849884][ T28]
[ 261.852816][ T28] dump_stack_lvl+0x188/0x24e
[ 261.857491][ T28] ? irq_work_queue+0xb8/0x140
[ 261.862252][ T28] ? show_regs_print_info+0x12/0x12
[ 261.867445][ T28] ? load_image+0x410/0x410
[ 261.871937][ T28] ? vprintk_emit+0x59f/0x6a0
[ 261.876609][ T28] ? printk_sprint+0x460/0x460
[ 261.881367][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 261.886300][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 261.892445][ T28] ? _printk+0xda/0x130
[ 261.896609][ T28] ? load_image+0x410/0x410
[ 261.901117][ T28] ? load_image+0x410/0x410
[ 261.905630][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 261.911693][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 261.917771][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 261.923752][ T28] watchdog+0xf0e/0xf50
[ 261.927918][ T28] ? watchdog+0x1ed/0xf50
[ 261.932243][ T28] kthread+0x29d/0x330
[ 261.936300][ T28] ? hungtask_pm_notify+0x40/0x40
[ 261.941325][ T28] ? kthread_blkcg+0xd0/0xd0
[ 261.945905][ T28] ret_from_fork+0x1f/0x30
[ 261.950321][ T28]
[ 261.953680][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 261.958971][ C0] NMI backtrace for cpu 0
[ 261.958981][ C0] CPU: 0 PID: 4664 Comm: kworker/u4:6 Not tainted syzkaller #0
[ 261.958996][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.959005][ C0] Workqueue: 0x0 (events_unbound)
[ 261.959024][ C0] RIP: 0010:mark_lock+0xe2/0x320
[ 261.959053][ C0] Code: 03 42 0f b6 04 28 84 c0 0f 85 06 02 00 00 83 3d d3 bd 5c 15 00 74 36 45 31 ff 49 83 c7 50 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 ff e8 54 a7 6e 00 b8 01 00 00 00 45 85 27 74 50 48 83
[ 261.959064][ C0] RSP: 0018:ffffc90004e07780 EFLAGS: 00000046
[ 261.959076][ C0] RAX: 1ffffffff2093042 RBX: ffff88802d538000 RCX: ffffffff8164b334
[ 261.959086][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90b10240
[ 261.959095][ C0] RBP: 0000000000000008 R08: ffffffff90b10247 R09: 1ffffffff2162048
[ 261.959104][ C0] R10: dffffc0000000000 R11: fffffbfff2162049 R12: 0000000000000100
[ 261.959114][ C0] R13: dffffc0000000000 R14: ffff88802d538b08 R15: ffffffff90498210
[ 261.959124][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 261.959135][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 261.959145][ C0] CR2: 000055e9e528b168 CR3: 000000000c88e000 CR4: 00000000003506f0
[ 261.959159][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 261.959167][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 261.959176][ C0] Call Trace:
[ 261.959180][ C0]
[ 261.959187][ C0] __lock_acquire+0xdf7/0x7c40
[ 261.959212][ C0] ? verify_lock_unused+0x140/0x140
[ 261.959232][ C0] ? verify_lock_unused+0x140/0x140
[ 261.959250][ C0] ? mark_lock+0x94/0x320
[ 261.959268][ C0] ? __lock_acquire+0x1465/0x7c40
[ 261.959287][ C0] lock_acquire+0x1bb/0x4a0
[ 261.959304][ C0] ? debug_object_deactivate+0x63/0x380
[ 261.959320][ C0] ? read_lock_is_recursive+0x10/0x10
[ 261.959339][ C0] ? verify_lock_unused+0x140/0x140
[ 261.959355][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 261.959373][ C0] ? read_lock_is_recursive+0x10/0x10
[ 261.959392][ C0] _raw_spin_lock_irqsave+0xb0/0x100
[ 261.959407][ C0] ? debug_object_deactivate+0x63/0x380
[ 261.959419][ C0] ? _raw_spin_lock+0x40/0x40
[ 261.959432][ C0] ? finish_task_switch+0x262/0x8e0
[ 261.959450][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 261.959464][ C0] ? finish_task_switch+0x262/0x8e0
[ 261.959481][ C0] debug_object_deactivate+0x63/0x380
[ 261.959496][ C0] process_one_work+0x326/0x1160
[ 261.959514][ C0] ? __rwlock_init+0x140/0x140
[ 261.959527][ C0] ? worker_detach_from_pool+0x240/0x240
[ 261.959544][ C0] ? _raw_spin_lock_irq+0xb7/0xf0
[ 261.959559][ C0] ? _raw_spin_lock_irqsave+0x100/0x100
[ 261.959574][ C0] ? wq_worker_running+0x97/0x190
[ 261.959594][ C0] worker_thread+0xaf5/0x12a0
[ 261.959613][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 261.959631][ C0] kthread+0x29d/0x330
[ 261.959642][ C0] ? worker_clr_flags+0x1a0/0x1a0
[ 261.959657][ C0] ? kthread_blkcg+0xd0/0xd0
[ 261.959669][ C0] ret_from_fork+0x1f/0x30
[ 261.959690][ C0]
[ 261.961051][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 261.961062][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 261.961078][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.961086][ T28] Call Trace:
[ 261.961092][ T28]
[ 261.961098][ T28] dump_stack_lvl+0x188/0x24e
[ 261.961123][ T28] ? memcpy+0x3c/0x60
[ 261.961140][ T28] ? show_regs_print_info+0x12/0x12
[ 261.961162][ T28] ? load_image+0x410/0x410
[ 261.961189][ T28] panic+0x2d3/0x710
[ 261.961204][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 261.961229][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 261.961245][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 261.961271][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 261.961295][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 261.961318][ T28] watchdog+0xf4d/0xf50
[ 261.961340][ T28] ? watchdog+0x1ed/0xf50
[ 261.961362][ T28] kthread+0x29d/0x330
[ 261.961375][ T28] ? hungtask_pm_notify+0x40/0x40
[ 261.961392][ T28] ? kthread_blkcg+0xd0/0xd0
[ 261.961409][ T28] ret_from_fork+0x1f/0x30
[ 261.961439][ T28]
[ 261.964210][ T28] Kernel Offset: disabled
[ 262.371494][ T28] Rebooting in 86400 seconds..