Warning: Permanently added '10.128.0.241' (ED25519) to the list of known hosts.
2026/08/09 18:20:43 parsed 1 programs
2026/08/09 18:20:43 serving rpc on tcp://36333
[ 68.929446][ T4199] cgroup: Unknown subsys name 'net'
[ 69.073096][ T4199] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 70.503910][ T4199] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 71.220295][ T1420] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.227013][ T1420] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.424285][ T3078] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.443510][ T3078] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 72.465421][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 72.483047][ T3078] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.492570][ T3078] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 72.501495][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 73.569371][ T4246] syz-executor (4246) used greatest stack depth: 21104 bytes left
[ 74.295389][ T4281] chnl_net:caif_netlink_parms(): no params data found
[ 74.344896][ T4281] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.353415][ T4281] bridge0: port 1(bridge_slave_0) entered disabled state
[ 74.361618][ T4281] device bridge_slave_0 entered promiscuous mode
[ 74.370930][ T4281] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.378531][ T4281] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.386412][ T4281] device bridge_slave_1 entered promiscuous mode
[ 74.431228][ T4281] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 74.442811][ T4281] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 74.468576][ T4281] team0: Port device team_slave_0 added
[ 74.494560][ T4281] team0: Port device team_slave_1 added
[ 74.513015][ T4281] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 74.520855][ T4281] 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.
[ 74.547611][ T4281] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 74.562461][ T4281] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 74.570355][ T4281] 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.
[ 74.596456][ T4281] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 74.646455][ T4281] device hsr_slave_0 entered promiscuous mode
[ 74.654236][ T4281] device hsr_slave_1 entered promiscuous mode
[ 74.792992][ T4281] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 74.805244][ T4281] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 74.815336][ T4281] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 74.843179][ T4281] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 74.927649][ T4281] 8021q: adding VLAN 0 to HW filter on device bond0
[ 74.941297][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 74.951638][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 74.964530][ T4281] 8021q: adding VLAN 0 to HW filter on device team0
[ 74.990395][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 74.999528][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 75.009706][ T579] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.017217][ T579] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 75.027582][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 75.054293][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 75.063505][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 75.075189][ T3078] bridge0: port 2(bridge_slave_1) entered blocking state
[ 75.082398][ T3078] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 75.092925][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 75.128811][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 75.142373][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 75.152715][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 75.161508][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 75.181001][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 75.193957][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 75.208543][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 75.232027][ T4281] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 75.243765][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 75.254548][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 75.374385][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 75.394539][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 75.411501][ T4281] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 75.433640][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 75.456086][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 75.466392][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 75.474936][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 75.485495][ T4281] device veth0_vlan entered promiscuous mode
[ 75.499305][ T4281] device veth1_vlan entered promiscuous mode
[ 75.522528][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 75.531865][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 75.540373][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 75.551818][ T4281] device veth0_macvtap entered promiscuous mode
[ 75.562994][ T4281] device veth1_macvtap entered promiscuous mode
[ 75.572151][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 75.591646][ T4281] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 75.599469][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 75.609664][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 75.621158][ T4281] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 75.630373][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 75.639882][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 75.651778][ T4281] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.662260][ T4281] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.671644][ T4281] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.682250][ T4281] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/08/09 18:20:53 executed programs: 0
[ 76.935233][ T4305] chnl_net:caif_netlink_parms(): no params data found
[ 77.004367][ T4305] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.012240][ T4305] bridge0: port 1(bridge_slave_0) entered disabled state
[ 77.020367][ T4305] device bridge_slave_0 entered promiscuous mode
[ 77.029806][ T4305] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.037268][ T4305] bridge0: port 2(bridge_slave_1) entered disabled state
[ 77.045469][ T4305] device bridge_slave_1 entered promiscuous mode
[ 77.074818][ T4305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 77.086352][ T4305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 77.113220][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 77.137319][ T4305] team0: Port device team_slave_0 added
[ 77.145771][ T4305] team0: Port device team_slave_1 added
[ 77.166261][ T4305] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 77.173604][ T4305] 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.
[ 77.199819][ T4305] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 77.212697][ T4305] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 77.219970][ T4305] 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.
[ 77.247793][ T4305] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 77.279478][ T4305] device hsr_slave_0 entered promiscuous mode
[ 77.286799][ T4305] device hsr_slave_1 entered promiscuous mode
[ 77.293698][ T4305] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 77.301751][ T4305] Cannot create hsr debugfs directory
[ 78.818069][ T4271] Bluetooth: hci0: command 0x0409 tx timeout
[ 79.933641][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.413214][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.474107][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.907835][ T4327] Bluetooth: hci0: command 0x041b tx timeout
[ 81.281652][ T4305] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 81.292287][ T4305] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 81.303146][ T4305] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 81.316016][ T4305] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 81.374417][ T4305] 8021q: adding VLAN 0 to HW filter on device bond0
[ 81.386458][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 81.394462][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 81.406305][ T4305] 8021q: adding VLAN 0 to HW filter on device team0
[ 81.437073][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 81.445624][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 81.454409][ T3078] bridge0: port 1(bridge_slave_0) entered blocking state
[ 81.461533][ T3078] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 81.471791][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 81.484272][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 81.507818][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 81.516303][ T3078] bridge0: port 2(bridge_slave_1) entered blocking state
[ 81.523430][ T3078] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 81.534252][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 81.561558][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 81.573790][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 81.582994][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 81.591765][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 81.623168][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 81.639910][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 81.659601][ T4305] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 81.670445][ T4305] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 81.682809][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 81.691852][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 81.700851][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 81.709440][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 81.718894][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 81.814129][ T9] device hsr_slave_0 left promiscuous mode
[ 81.823864][ T9] device hsr_slave_1 left promiscuous mode
[ 81.831035][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 81.838842][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 81.848199][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 81.855632][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 81.864931][ T9] device bridge_slave_1 left promiscuous mode
[ 81.874578][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 81.902421][ T9] device bridge_slave_0 left promiscuous mode
[ 81.916983][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 81.961353][ T9] device veth1_macvtap left promiscuous mode
[ 81.968141][ T9] device veth0_macvtap left promiscuous mode
[ 81.974832][ T9] device veth1_vlan left promiscuous mode
[ 81.982502][ T9] device veth0_vlan left promiscuous mode
[ 82.152348][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 82.164310][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 82.181364][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 82.195110][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 82.250124][ T9] bond0 (unregistering): Released all slaves
[ 82.354132][ T4305] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 82.363326][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 82.370871][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 82.388560][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 82.398266][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 82.418993][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 82.427724][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 82.438622][ T4305] device veth0_vlan entered promiscuous mode
[ 82.445708][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 82.453602][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 82.465475][ T4305] device veth1_vlan entered promiscuous mode
[ 82.484326][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 82.493236][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 82.502018][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 82.511819][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 82.523617][ T4305] device veth0_macvtap entered promiscuous mode
[ 82.533252][ T4305] device veth1_macvtap entered promiscuous mode
[ 82.554910][ T4305] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 82.562459][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 82.572336][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 82.580248][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 82.590237][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 82.603094][ T4305] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 82.611859][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 82.620754][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 82.631671][ T4305] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.640822][ T4305] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.649684][ T4305] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.659524][ T4305] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.733322][ T579] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 82.757208][ T579] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 82.776505][ T1435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/08/09 18:20:59 executed programs: 2
[ 82.791322][ T1435] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 82.801117][ T1435] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 82.809886][ T579] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 82.987054][ T4327] Bluetooth: hci0: command 0x040f tx timeout
[ 85.107303][ T4327] Bluetooth: hci0: command 0x0419 tx timeout
[ 86.589496][ T1111] cfg80211: failed to load regulatory.db
[ 132.669277][ T1420] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.675617][ T1420] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.099397][ T1420] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.105766][ T1420] ieee802154 phy1 wpan1: encryption failed: -22
[ 201.296880][ T1111] Bluetooth: hci0: command 0x0406 tx timeout
[ 232.506933][ T27] INFO: task kworker/u4:5:3078 blocked for more than 143 seconds.
[ 232.514955][ T27] Not tainted syzkaller #0
[ 232.520278][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 232.529225][ T27] task:kworker/u4:5 state:D stack:24080 pid: 3078 ppid: 2 flags:0x00004000
[ 232.538529][ T27] Workqueue: writeback wb_workfn (flush-8:0)
[ 232.544567][ T27] Call Trace:
[ 232.547916][ T27]
[ 232.550867][ T27] __schedule+0x11c3/0x4350
[ 232.555662][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 232.561730][ T27] ? lock_chain_count+0x20/0x20
[ 232.566612][ T27] ? release_firmware_map_entry+0x190/0x190
[ 232.572557][ T27] ? blk_check_plugged+0x250/0x250
[ 232.577726][ T27] ? kthread_data+0x4b/0xc0
[ 232.582238][ T27] schedule+0x11b/0x1e0
[ 232.586410][ T27] io_schedule+0x7c/0xd0
[ 232.590703][ T27] bit_wait_io+0xd/0xc0
[ 232.594882][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 232.600400][ T27] ? bit_wait+0xc0/0xc0
[ 232.604588][ T27] ? __wait_on_bit+0x170/0x170
[ 232.609403][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 232.614457][ T27] ? bit_waitqueue+0x30/0x30
[ 232.619105][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 232.624342][ T27] do_get_write_access+0x134/0xe40
[ 232.629700][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 232.635714][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 232.641955][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 232.648234][ T27] ? ext4_get_group_desc+0x3d9/0x4d0
[ 232.653550][ T27] ext4_mb_mark_diskspace_used+0x27d/0x14e0
[ 232.659595][ T27] ? ext4_discard_allocated_blocks+0x5c0/0x5c0
[ 232.665773][ T27] ? kmem_cache_free+0x14c/0x210
[ 232.670869][ T27] ext4_mb_new_blocks+0x11ab/0x47c0
[ 232.676119][ T27] ? memset+0x1e/0x40
[ 232.680158][ T27] ? ext4_mb_pa_callback+0xd0/0xd0
[ 232.685295][ T27] ? ext4_inode_to_goal_block+0x313/0x450
[ 232.691250][ T27] ext4_ext_map_blocks+0x17d1/0x63d0
[ 232.696608][ T27] ? ext4_ext_release+0x10/0x10
[ 232.701652][ T27] ? rwsem_write_trylock+0x135/0x1c0
[ 232.707004][ T27] ? ext4_es_lookup_extent+0x5fd/0x9f0
[ 232.712489][ T27] ext4_map_blocks+0x97f/0x1a50
[ 232.717412][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 232.722725][ T27] ? ext4_issue_zeroout+0x250/0x250
[ 232.728008][ T27] ? ext4_inode_journal_mode+0x372/0x460
[ 232.733688][ T27] ext4_writepages+0x124a/0x2d40
[ 232.738720][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 232.743510][ T27] ? mark_lock+0x94/0x320
[ 232.747911][ T27] ? verify_lock_unused+0x140/0x140
[ 232.753141][ T27] ? __lock_acquire+0x13dc/0x7b50
[ 232.758240][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 232.763303][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 232.768407][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 232.773655][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 232.778492][ T27] do_writepages+0x493/0x700
[ 232.783119][ T27] ? __writepage+0x130/0x130
[ 232.787776][ T27] ? writeback_sb_inodes+0x6b7/0x1750
[ 232.793170][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 232.798249][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 232.803310][ T27] __writeback_single_inode+0x153/0xda0
[ 232.808936][ T27] writeback_sb_inodes+0xaaa/0x1750
[ 232.814172][ T27] ? __lock_acquire+0x13dc/0x7b50
[ 232.819370][ T27] ? queue_io+0x530/0x530
[ 232.823743][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 232.829143][ T27] wb_writeback+0x45e/0xbc0
[ 232.833679][ T27] ? rcu_lock_release+0x20/0x20
[ 232.838594][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 232.844596][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 232.849688][ T27] ? cpumask_next+0xb3/0xd0
[ 232.854218][ T27] wb_workfn+0xb15/0xf20
[ 232.858545][ T27] ? inode_wait_for_writeback+0x220/0x220
[ 232.864303][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 232.870370][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 232.875422][ T27] ? read_lock_is_recursive+0x10/0x10
[ 232.880858][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 232.886085][ T27] process_one_work+0x867/0xff0
[ 232.891025][ T27] ? worker_detach_from_pool+0x240/0x240
[ 232.896726][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 232.902097][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 232.907201][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 232.912774][ T27] ? wq_worker_running+0x97/0x170
[ 232.917874][ T27] worker_thread+0xad7/0x12a0
[ 232.922584][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 232.928569][ T27] kthread+0x42e/0x520
[ 232.932674][ T27] ? rcu_lock_release+0x20/0x20
[ 232.937568][ T27] ? kthread_blkcg+0xd0/0xd0
[ 232.942179][ T27] ret_from_fork+0x1f/0x30
[ 232.946613][ T27]
[ 232.949753][ T27] INFO: task syz.0.175:4516 blocked for more than 143 seconds.
[ 232.957419][ T27] Not tainted syzkaller #0
[ 232.962363][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 232.971104][ T27] task:syz.0.175 state:D stack:26336 pid: 4516 ppid: 4305 flags:0x00004004
[ 232.980376][ T27] Call Trace:
[ 232.983653][ T27]
[ 232.986599][ T27] __schedule+0x11c3/0x4350
[ 232.991191][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 232.997242][ T27] ? lock_chain_count+0x20/0x20
[ 233.002093][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 233.007482][ T27] ? release_firmware_map_entry+0x190/0x190
[ 233.013408][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 233.019362][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 233.024587][ T27] schedule+0x11b/0x1e0
[ 233.028814][ T27] io_schedule+0x7c/0xd0
[ 233.033105][ T27] bit_wait_io+0xd/0xc0
[ 233.037333][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 233.042817][ T27] ? bit_wait+0xc0/0xc0
[ 233.047046][ T27] ? __wait_on_bit+0x170/0x170
[ 233.051839][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 233.056913][ T27] ? bit_waitqueue+0x30/0x30
[ 233.061530][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 233.066804][ T27] do_get_write_access+0x134/0xe40
[ 233.071961][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 233.078006][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 233.084204][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 233.090435][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 233.095750][ T27] ? __might_sleep+0xf0/0xf0
[ 233.100437][ T27] ext4_reserve_inode_write+0x203/0x2e0
[ 233.106015][ T27] __ext4_mark_inode_dirty+0x136/0x6c0
[ 233.111559][ T27] ext4_dirty_inode+0xbf/0x100
[ 233.116388][ T27] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 233.122270][ T27] __mark_inode_dirty+0x2c8/0xc90
[ 233.127361][ T27] generic_update_time+0x1cd/0x1f0
[ 233.132483][ T27] file_update_time+0x3c0/0x440
[ 233.137411][ T27] ? file_remove_privs+0x5d0/0x5d0
[ 233.142550][ T27] ? mark_lock+0x94/0x320
[ 233.146949][ T27] ext4_page_mkwrite+0x1bc/0x1250
[ 233.152011][ T27] ? mapping_seek_hole_data+0x1300/0x1300
[ 233.157785][ T27] ? pte_alloc_one+0x287/0x310
[ 233.162569][ T27] ? ext4_change_inode_journal_flag+0x710/0x710
[ 233.168872][ T27] ? __rwlock_init+0x140/0x140
[ 233.173658][ T27] ? count_memcg_event_mm+0x324/0x370
[ 233.179088][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 233.184321][ T27] do_page_mkwrite+0x168/0x3c0
[ 233.189156][ T27] handle_mm_fault+0x1e47/0x4440
[ 233.194160][ T27] ? get_page+0xe0/0xe0
[ 233.198394][ T27] ? vmacache_find+0x4e3/0x590
[ 233.203201][ T27] ? vmacache_update+0xa0/0x100
[ 233.208154][ T27] ? find_vma+0x1df/0x230
[ 233.212515][ T27] do_user_addr_fault+0x494/0xc90
[ 233.217657][ T27] exc_page_fault+0x60/0x100
[ 233.222302][ T27] ? clear_bhb_loop+0x30/0x80
[ 233.227054][ T27] asm_exc_page_fault+0x22/0x30
[ 233.231955][ T27] RIP: 0033:0x7fb17e0b7a23
[ 233.236413][ T27] RSP: 002b:00007ffe7a567400 EFLAGS: 00010246
[ 233.242554][ T27] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
[ 233.250574][ T27] RDX: 0000001b31c24000 RSI: 0000000000040000 RDI: 00007fb17e42c708
[ 233.258603][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 233.266591][ T27] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 233.274629][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe7a567690
[ 233.282655][ T27]
[ 233.285724][ T27]
[ 233.285724][ T27] Showing all locks held in the system:
[ 233.293541][ T27] 1 lock held by khungtaskd/27:
[ 233.298498][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 233.307960][ T27] 6 locks held by kworker/u4:5/3078:
[ 233.313285][ T27] #0: ffff8881423e8138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[ 233.323876][ T27] #1: ffffc9000de1fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 233.335697][ T27] #2: ffff88807f0ca0e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 233.345732][ T27] #3: ffff88807f0ccc58 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2d40
[ 233.356374][ T27] #4: ffff88807f0ce990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 233.366099][ T27] #5: ffff888074ea6628 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x8c4/0x1a50
[ 233.375914][ T27] 1 lock held by klogd/3549:
[ 233.380545][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 233.390540][ T27] 2 locks held by getty/3949:
[ 233.395235][ T27] #0: ffff88814d4ca098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 233.405019][ T27] #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 233.415206][ T27] 3 locks held by syz.0.175/4516:
[ 233.420283][ T27] #0: ffff88801ec4ea28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2bb/0xc90
[ 233.430211][ T27] #1: ffff88807f0ca558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1a5/0x1250
[ 233.440077][ T27] #2: ffff88807f0ce990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 233.449834][ T27]
[ 233.452190][ T27] =============================================
[ 233.452190][ T27]
[ 233.460951][ T27] NMI backtrace for cpu 0
[ 233.465311][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 233.472501][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.482555][ T27] Call Trace:
[ 233.485829][ T27]
[ 233.488752][ T27] dump_stack_lvl+0x188/0x250
[ 233.493446][ T27] ? show_regs_print_info+0x20/0x20
[ 233.498648][ T27] ? load_image+0x410/0x410
[ 233.503142][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 233.508508][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 233.513621][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 233.518554][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 233.524698][ T27] ? _printk+0xda/0x130
[ 233.528850][ T27] ? load_image+0x410/0x410
[ 233.533368][ T27] ? load_image+0x410/0x410
[ 233.537877][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 233.543935][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 233.549908][ T27] watchdog+0xe1b/0xe60
[ 233.554068][ T27] kthread+0x42e/0x520
[ 233.558129][ T27] ? hungtask_pm_notify+0x40/0x40
[ 233.563145][ T27] ? kthread_blkcg+0xd0/0xd0
[ 233.567749][ T27] ret_from_fork+0x1f/0x30
[ 233.572172][ T27]
[ 233.575657][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 233.581193][ C1] NMI backtrace for cpu 1
[ 233.581202][ C1] CPU: 1 PID: 1435 Comm: kworker/u4:4 Not tainted syzkaller #0
[ 233.581217][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.581226][ C1] Workqueue: bat_events batadv_nc_worker
[ 233.581242][ C1] RIP: 0010:kasan_check_range+0xc/0x290
[ 233.581261][ C1] Code: c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 <41> 57 41 56 41 54 53 49 89 f8 49 01 f0 0f 82 0e 02 00 00 49 89 f8
[ 233.581303][ C1] RSP: 0018:ffffc90005f67990 EFLAGS: 00000002
[ 233.581316][ C1] RAX: 0000000000000101 RBX: ffff888023a83b80 RCX: ffffffff815d9204
[ 233.581327][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901ee1c8
[ 233.581337][ C1] RBP: 0000000000000002 R08: ffff888079290d03 R09: 1ffff1100f2521a0
[ 233.581348][ C1] R10: dffffc0000000000 R11: ffffed100f2521a1 R12: 0000000000000004
[ 233.581359][ C1] R13: dffffc0000000000 R14: ffff888023a84670 R15: 0000000000000877
[ 233.581377][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 233.581390][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 233.581401][ C1] CR2: 00005642d3dc6660 CR3: 0000000079edc000 CR4: 00000000003506e0
[ 233.581415][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 233.581424][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 233.581433][ C1] Call Trace:
[ 233.581438][ C1]
[ 233.581443][ C1] mark_lock+0x94/0x320
[ 233.581460][ C1] lockdep_hardirqs_on_prepare+0x237/0x7c0
[ 233.581481][ C1] ? lock_chain_count+0x20/0x20
[ 233.581498][ C1] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0
[ 233.581518][ C1] ? __local_bh_enable_ip+0xd7/0x1c0
[ 233.581534][ C1] ? batadv_nc_purge_paths+0x305/0x3a0
[ 233.581550][ C1] trace_hardirqs_on+0x67/0x80
[ 233.581568][ C1] __local_bh_enable_ip+0x136/0x1c0
[ 233.581584][ C1] ? _local_bh_enable+0xa0/0xa0
[ 233.581599][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 233.581615][ C1] ? batadv_nc_purge_paths+0x305/0x3a0
[ 233.581630][ C1] ? batadv_nc_purge_paths+0x3a0/0x3a0
[ 233.581646][ C1] batadv_nc_purge_paths+0x305/0x3a0
[ 233.581662][ C1] ? __lock_acquire+0x7b50/0x7b50
[ 233.581683][ C1] batadv_nc_worker+0x2e1/0x5c0
[ 233.581700][ C1] process_one_work+0x867/0xff0
[ 233.581723][ C1] ? worker_detach_from_pool+0x240/0x240
[ 233.581739][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 233.581758][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 233.581773][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 233.581789][ C1] ? wq_worker_running+0x97/0x170
[ 233.581806][ C1] worker_thread+0xad7/0x12a0
[ 233.581827][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 233.581847][ C1] kthread+0x42e/0x520
[ 233.581861][ C1] ? rcu_lock_release+0x20/0x20
[ 233.581877][ C1] ? kthread_blkcg+0xd0/0xd0
[ 233.581892][ C1] ret_from_fork+0x1f/0x30
[ 233.581915][ C1]
[ 233.582754][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 233.874147][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 233.881343][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 233.891397][ T27] Call Trace:
[ 233.894679][ T27]
[ 233.897604][ T27] dump_stack_lvl+0x188/0x250
[ 233.902288][ T27] ? show_regs_print_info+0x20/0x20
[ 233.907500][ T27] ? load_image+0x410/0x410
[ 233.912029][ T27] panic+0x2f8/0x850
[ 233.915925][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 233.921556][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 233.926065][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 233.932218][ T27] watchdog+0xe5a/0xe60
[ 233.936380][ T27] kthread+0x42e/0x520
[ 233.940449][ T27] ? hungtask_pm_notify+0x40/0x40
[ 233.945472][ T27] ? kthread_blkcg+0xd0/0xd0
[ 233.950075][ T27] ret_from_fork+0x1f/0x30
[ 233.954519][ T27]
[ 233.957869][ T27] Kernel Offset: disabled
[ 233.962212][ T27] Rebooting in 86400 seconds..