Warning: Permanently added '10.128.1.43' (ED25519) to the list of known hosts.
2026/09/06 14:43:39 parsed 1 programs
2026/09/06 14:43:39 serving rpc on tcp://45647
[ 166.903833][ T4225] cgroup: Unknown subsys name 'net'
[ 167.005636][ T4225] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 168.223811][ T4225] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 170.738946][ T4268] syz-executor (4268) used greatest stack depth: 20976 bytes left
[ 170.815030][ T4272] chnl_net:caif_netlink_parms(): no params data found
[ 170.871851][ T4272] bridge0: port 1(bridge_slave_0) entered blocking state
[ 170.879534][ T4272] bridge0: port 1(bridge_slave_0) entered disabled state
[ 170.887731][ T4272] device bridge_slave_0 entered promiscuous mode
[ 170.896933][ T4272] bridge0: port 2(bridge_slave_1) entered blocking state
[ 170.904112][ T4272] bridge0: port 2(bridge_slave_1) entered disabled state
[ 170.912267][ T4272] device bridge_slave_1 entered promiscuous mode
[ 170.936158][ T4272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 170.947426][ T4272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 170.972497][ T4272] team0: Port device team_slave_0 added
[ 170.980099][ T4272] team0: Port device team_slave_1 added
[ 171.000925][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 171.007876][ T4272] 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.
[ 171.034059][ T4272] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 171.047148][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 171.054149][ T4272] 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.
[ 171.080044][ T4272] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 171.114660][ T4272] device hsr_slave_0 entered promiscuous mode
[ 171.121582][ T4272] device hsr_slave_1 entered promiscuous mode
[ 171.237852][ T4272] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 171.248977][ T4272] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 171.258707][ T4272] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 171.267423][ T4272] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 171.286162][ T4272] bridge0: port 2(bridge_slave_1) entered blocking state
[ 171.293391][ T4272] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 171.301162][ T4272] bridge0: port 1(bridge_slave_0) entered blocking state
[ 171.308247][ T4272] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 171.371705][ T4272] 8021q: adding VLAN 0 to HW filter on device bond0
[ 171.409900][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 171.433289][ T4248] bridge0: port 1(bridge_slave_0) entered disabled state
[ 171.442450][ T4248] bridge0: port 2(bridge_slave_1) entered disabled state
[ 171.470900][ T4272] 8021q: adding VLAN 0 to HW filter on device team0
[ 171.483779][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 171.492617][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state
[ 171.499704][ T4248] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 171.509834][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 171.518214][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 171.525261][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 171.543933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 171.553692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 171.567499][ T4272] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 171.578970][ T4272] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 171.592027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 171.601260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 171.610471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 171.619904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 171.689271][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 171.696713][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 171.709327][ T4272] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 171.724418][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 171.733130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 171.750327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 171.759019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 171.767433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 171.775473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 171.785322][ T4272] device veth0_vlan entered promiscuous mode
[ 171.796244][ T4272] device veth1_vlan entered promiscuous mode
[ 171.812872][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 171.821060][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 171.829524][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 171.837827][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 171.869065][ T4272] device veth0_macvtap entered promiscuous mode
[ 171.878491][ T4272] device veth1_macvtap entered promiscuous mode
[ 171.897434][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 171.905060][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 171.913179][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 171.921319][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 171.930361][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 171.943975][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 171.951707][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 171.960806][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 171.984640][ T4272] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 171.993789][ T4272] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 172.002840][ T4272] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 172.011813][ T4272] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 172.819322][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 172.827265][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 172.851563][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 172.870635][ T4248] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 172.879243][ T4248] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 172.887464][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/09/06 14:43:47 executed programs: 0
[ 173.604388][ T4323] chnl_net:caif_netlink_parms(): no params data found
[ 173.664235][ T4323] bridge0: port 1(bridge_slave_0) entered blocking state
[ 173.671454][ T4323] bridge0: port 1(bridge_slave_0) entered disabled state
[ 173.681954][ T4323] device bridge_slave_0 entered promiscuous mode
[ 173.690023][ T4323] bridge0: port 2(bridge_slave_1) entered blocking state
[ 173.697130][ T4323] bridge0: port 2(bridge_slave_1) entered disabled state
[ 173.704976][ T4323] device bridge_slave_1 entered promiscuous mode
[ 173.727808][ T4323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 173.740905][ T4323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 173.765827][ T4323] team0: Port device team_slave_0 added
[ 173.774610][ T4323] team0: Port device team_slave_1 added
[ 173.801100][ T4323] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 173.809955][ T4323] 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.
[ 173.839379][ T4323] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 173.853412][ T4323] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 173.861494][ T4323] 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.
[ 173.887584][ T4323] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 173.920840][ T4323] device hsr_slave_0 entered promiscuous mode
[ 173.927383][ T4323] device hsr_slave_1 entered promiscuous mode
[ 173.934321][ T4323] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 173.942679][ T4323] Cannot create hsr debugfs directory
[ 174.025371][ T4323] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 175.498954][ T4283] Bluetooth: hci0: command 0x0409 tx timeout
[ 176.924033][ T4323] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 176.983249][ T4323] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.053599][ T4323] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.290629][ T4323] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 177.299664][ T4323] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 177.308853][ T4323] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 177.317595][ T4323] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 177.374011][ T4323] 8021q: adding VLAN 0 to HW filter on device bond0
[ 177.396981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 177.404916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 177.415072][ T4323] 8021q: adding VLAN 0 to HW filter on device team0
[ 177.424987][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 177.433636][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 177.442482][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 177.449569][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 177.458321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 177.483235][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 177.492227][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 177.501481][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state
[ 177.508556][ T4248] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 177.519419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 177.531054][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 177.548282][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 177.559240][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 177.567961][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 177.577762][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 177.579881][ T7] Bluetooth: hci0: command 0x041b tx timeout
[ 177.587620][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 177.608413][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 177.617062][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 177.627344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 177.635992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 177.647230][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 177.672189][ T154] device hsr_slave_0 left promiscuous mode
[ 177.680193][ T154] device hsr_slave_1 left promiscuous mode
[ 177.686852][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 177.696333][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 177.706804][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 177.715550][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 177.723473][ T154] device bridge_slave_1 left promiscuous mode
[ 177.730808][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 177.743311][ T154] device bridge_slave_0 left promiscuous mode
[ 177.750342][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 177.766229][ T154] device veth1_macvtap left promiscuous mode
[ 177.772468][ T154] device veth0_macvtap left promiscuous mode
[ 177.778959][ T154] device veth1_vlan left promiscuous mode
[ 177.784791][ T154] device veth0_vlan left promiscuous mode
[ 177.911641][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 177.925475][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 177.937358][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 177.951408][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 177.995589][ T154] bond0 (unregistering): Released all slaves
[ 178.085824][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 178.093745][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 178.107245][ T4323] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 178.127314][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 178.136820][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 178.156439][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 178.164495][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 178.172882][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 178.181061][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 178.190996][ T4323] device veth0_vlan entered promiscuous mode
[ 178.206720][ T4323] device veth1_vlan entered promiscuous mode
[ 178.224402][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 178.232820][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 178.241684][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 178.250157][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 178.260354][ T4323] device veth0_macvtap entered promiscuous mode
[ 178.270071][ T4323] device veth1_macvtap entered promiscuous mode
[ 178.291799][ T4323] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 178.301135][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 178.309112][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 178.316859][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 178.326216][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 178.336478][ T4323] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 178.344958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 178.354655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 178.364951][ T4323] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 178.375246][ T4323] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 178.384251][ T4323] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 178.393148][ T4323] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 178.447826][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 178.462408][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 178.480282][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/09/06 14:43:52 executed programs: 2
[ 178.495316][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 178.504092][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 178.514341][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 179.649839][ T4335] Bluetooth: hci0: command 0x040f tx timeout
[ 181.738589][ T4278] Bluetooth: hci0: command 0x0419 tx timeout
2026/09/06 14:43:57 executed programs: 256
[ 194.049374][ T1419] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.055860][ T1419] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.499549][ T1419] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.505866][ T1419] ieee802154 phy1 wpan1: encryption failed: -22
[ 298.538157][ T4335] Bluetooth: hci0: command 0x0406 tx timeout
[ 316.929368][ T1419] ieee802154 phy0 wpan0: encryption failed: -22
[ 316.935673][ T1419] ieee802154 phy1 wpan1: encryption failed: -22
[ 330.368236][ T27] INFO: task kworker/u4:2:154 blocked for more than 143 seconds.
[ 330.376102][ T27] Not tainted syzkaller #0
[ 330.381080][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 330.389785][ T27] task:kworker/u4:2 state:D stack:21696 pid: 154 ppid: 2 flags:0x00004000
[ 330.399031][ T27] Workqueue: writeback wb_workfn (flush-8:0)
[ 330.405024][ T27] Call Trace:
[ 330.408340][ T27]
[ 330.411275][ T27] __schedule+0x11c3/0x4350
[ 330.415789][ T27] ? lock_chain_count+0x20/0x20
[ 330.420661][ T27] ? release_firmware_map_entry+0x190/0x190
[ 330.426554][ T27] ? blk_check_plugged+0x250/0x250
[ 330.431698][ T27] ? kthread_data+0x4b/0xc0
[ 330.436200][ T27] schedule+0x11b/0x1e0
[ 330.440378][ T27] io_schedule+0x7c/0xd0
[ 330.444619][ T27] bit_wait_io+0xd/0xc0
[ 330.449399][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 330.454866][ T27] ? bit_wait+0xc0/0xc0
[ 330.459045][ T27] ? __wait_on_bit+0x170/0x170
[ 330.463808][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 330.469041][ T27] ? bit_waitqueue+0x30/0x30
[ 330.473642][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 330.478878][ T27] do_get_write_access+0x134/0xe40
[ 330.483998][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 330.490124][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 330.496293][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 330.502482][ T27] ext4_mb_mark_diskspace_used+0x1c9/0x14e0
[ 330.508421][ T27] ? slab_free_freelist_hook+0xec/0x170
[ 330.513970][ T27] ? ext4_discard_allocated_blocks+0x5c0/0x5c0
[ 330.520146][ T27] ? kmem_cache_free+0x14c/0x210
[ 330.525086][ T27] ext4_mb_new_blocks+0x11ab/0x47c0
[ 330.530311][ T27] ? memset+0x1e/0x40
[ 330.534288][ T27] ? ext4_mb_pa_callback+0xd0/0xd0
[ 330.539425][ T27] ? ext4_ext_find_goal+0xed/0x1d0
[ 330.544530][ T27] ext4_ext_map_blocks+0x17d1/0x63d0
[ 330.549862][ T27] ? ext4_ext_release+0x10/0x10
[ 330.554718][ T27] ? rwsem_write_trylock+0x135/0x1c0
[ 330.560190][ T27] ? ext4_es_lookup_extent+0x5fd/0x9f0
[ 330.565658][ T27] ext4_map_blocks+0x97f/0x1a50
[ 330.570705][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 330.576018][ T27] ? ext4_issue_zeroout+0x250/0x250
[ 330.581264][ T27] ? ext4_inode_journal_mode+0x372/0x460
[ 330.586896][ T27] ext4_writepages+0x124a/0x2d40
[ 330.591882][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 330.596643][ T27] ? mark_lock+0x94/0x320
[ 330.601019][ T27] ? writeback_sb_inodes+0x433/0x1750
[ 330.606390][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 330.611161][ T27] do_writepages+0x493/0x700
[ 330.615757][ T27] ? __writepage+0x130/0x130
[ 330.620367][ T27] ? writeback_sb_inodes+0x6b7/0x1750
[ 330.625739][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 330.630771][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 330.635815][ T27] __writeback_single_inode+0x153/0xda0
[ 330.641393][ T27] writeback_sb_inodes+0xaaa/0x1750
[ 330.646599][ T27] ? queue_io+0x530/0x530
[ 330.650945][ T27] ? __rwlock_init+0x140/0x140
[ 330.655728][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 330.661077][ T27] wb_writeback+0x45e/0xbc0
[ 330.665584][ T27] ? rcu_lock_release+0x20/0x20
[ 330.670629][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 330.676620][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 330.681720][ T27] ? cpumask_next+0xb3/0xd0
[ 330.686228][ T27] wb_workfn+0xb15/0xf20
[ 330.690704][ T27] ? inode_wait_for_writeback+0x220/0x220
[ 330.696442][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 330.702527][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 330.707558][ T27] ? read_lock_is_recursive+0x10/0x10
[ 330.712944][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 330.718862][ T27] ? _raw_spin_unlock+0x40/0x40
[ 330.723691][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 330.728905][ T27] process_one_work+0x867/0xff0
[ 330.733760][ T27] ? worker_detach_from_pool+0x240/0x240
[ 330.739415][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 330.744703][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 330.749733][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 330.755278][ T27] ? wq_worker_running+0x97/0x170
[ 330.760344][ T27] worker_thread+0xad7/0x12a0
[ 330.765026][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 330.770949][ T27] kthread+0x42e/0x520
[ 330.775073][ T27] ? rcu_lock_release+0x20/0x20
[ 330.780160][ T27] ? kthread_blkcg+0xd0/0xd0
[ 330.784765][ T27] ret_from_fork+0x1f/0x30
[ 330.789410][ T27]
[ 330.792524][ T27] INFO: task syz.0.271:4590 blocked for more than 143 seconds.
[ 330.800099][ T27] Not tainted syzkaller #0
[ 330.805043][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 330.813719][ T27] task:syz.0.271 state:D stack:27696 pid: 4590 ppid: 4323 flags:0x00004004
[ 330.822950][ T27] Call Trace:
[ 330.826208][ T27]
[ 330.829164][ T27] __schedule+0x11c3/0x4350
[ 330.833679][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 330.839690][ T27] ? lock_chain_count+0x20/0x20
[ 330.844536][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 330.849829][ T27] ? release_firmware_map_entry+0x190/0x190
[ 330.855724][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 330.861639][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 330.866849][ T27] schedule+0x11b/0x1e0
[ 330.871025][ T27] io_schedule+0x7c/0xd0
[ 330.875269][ T27] bit_wait_io+0xd/0xc0
[ 330.879448][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 330.884902][ T27] ? bit_wait+0xc0/0xc0
[ 330.889306][ T27] ? __wait_on_bit+0x170/0x170
[ 330.894081][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 330.899328][ T27] ? bit_waitqueue+0x30/0x30
[ 330.903924][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 330.909170][ T27] do_get_write_access+0x134/0xe40
[ 330.914292][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 330.920287][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 330.926444][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 330.932621][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 330.937901][ T27] ? __might_sleep+0xf0/0xf0
[ 330.942498][ T27] ext4_reserve_inode_write+0x203/0x2e0
[ 330.948076][ T27] __ext4_mark_inode_dirty+0x136/0x6c0
[ 330.953535][ T27] ext4_dirty_inode+0xbf/0x100
[ 330.958325][ T27] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 330.964126][ T27] __mark_inode_dirty+0x2c8/0xc90
[ 330.969172][ T27] generic_update_time+0x1cd/0x1f0
[ 330.974302][ T27] file_update_time+0x3c0/0x440
[ 330.979186][ T27] ? file_remove_privs+0x5d0/0x5d0
[ 330.984296][ T27] ? mark_lock+0x94/0x320
[ 330.988652][ T27] ext4_page_mkwrite+0x1bc/0x1250
[ 330.993685][ T27] ? mapping_seek_hole_data+0x1300/0x1300
[ 330.999610][ T27] ? pte_alloc_one+0x287/0x310
[ 331.004574][ T27] ? ext4_change_inode_journal_flag+0x710/0x710
[ 331.010953][ T27] ? __rwlock_init+0x140/0x140
[ 331.015723][ T27] ? count_memcg_event_mm+0x324/0x370
[ 331.021179][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 331.026396][ T27] do_page_mkwrite+0x168/0x3c0
[ 331.031233][ T27] handle_mm_fault+0x1e47/0x4440
[ 331.036175][ T27] ? get_page+0xe0/0xe0
[ 331.040365][ T27] ? vmacache_find+0x4e3/0x590
[ 331.045125][ T27] ? vmacache_update+0xa0/0x100
[ 331.050086][ T27] ? find_vma+0x1df/0x230
[ 331.054417][ T27] do_user_addr_fault+0x494/0xc90
[ 331.059468][ T27] exc_page_fault+0x60/0x100
[ 331.064055][ T27] ? clear_bhb_loop+0x30/0x80
[ 331.068799][ T27] asm_exc_page_fault+0x22/0x30
[ 331.073654][ T27] RIP: 0033:0x7f055bac2aa3
[ 331.078138][ T27] RSP: 002b:00007fffc1e230b0 EFLAGS: 00010246
[ 331.084204][ T27] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
[ 331.092243][ T27] RDX: 0000001b32e24000 RSI: 0000000000040000 RDI: 00007f055be37708
[ 331.100490][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 331.108979][ T27] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 331.116953][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffc1e23340
[ 331.124954][ T27]
[ 331.127997][ T27]
[ 331.127997][ T27] Showing all locks held in the system:
[ 331.135818][ T27] 1 lock held by khungtaskd/27:
[ 331.140733][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 331.150086][ T27] 6 locks held by kworker/u4:2/154:
[ 331.155277][ T27] #0: ffff8880193a8138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[ 331.165808][ T27] #1: ffffc90001f97d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 331.177831][ T27] #2: ffff88814c9540e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 331.187828][ T27] #3: ffff88814c956c58 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2d40
[ 331.198391][ T27] #4: ffff88802cb60990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 331.208323][ T27] #5: ffff8880763fe628 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x8c4/0x1a50
[ 331.218149][ T27] 2 locks held by getty/3940:
[ 331.222812][ T27] #0: ffff88802cada098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 331.232561][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 331.242693][ T27] 3 locks held by syz.0.271/4590:
[ 331.247697][ T27] #0: ffff88802aff2428 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2bb/0xc90
[ 331.257527][ T27] #1: ffff88814c954558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1a5/0x1250
[ 331.267294][ T27] #2: ffff88802cb60990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 331.276982][ T27] 3 locks held by syz-executor/4591:
[ 331.282291][ T27] #0: ffff88814c954460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90
[ 331.291446][ T27] #1: ffff8880763fc9b8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x20b/0x450
[ 331.302111][ T27] #2: ffff88802cb60990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 331.312088][ T27]
[ 331.314415][ T27] =============================================
[ 331.314415][ T27]
[ 331.322963][ T27] NMI backtrace for cpu 1
[ 331.327292][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 331.334472][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 331.344524][ T27] Call Trace:
[ 331.347784][ T27]
[ 331.350695][ T27] dump_stack_lvl+0x188/0x250
[ 331.355358][ T27] ? show_regs_print_info+0x20/0x20
[ 331.360557][ T27] ? load_image+0x410/0x410
[ 331.365041][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 331.370135][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 331.375055][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 331.381183][ T27] ? _printk+0xda/0x130
[ 331.385322][ T27] ? load_image+0x410/0x410
[ 331.389809][ T27] ? load_image+0x410/0x410
[ 331.394289][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 331.400334][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 331.406291][ T27] watchdog+0xe1b/0xe60
[ 331.410427][ T27] kthread+0x42e/0x520
[ 331.414475][ T27] ? hungtask_pm_notify+0x40/0x40
[ 331.419472][ T27] ? kthread_blkcg+0xd0/0xd0
[ 331.424040][ T27] ret_from_fork+0x1f/0x30
[ 331.428449][ T27]
[ 331.432259][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 331.437500][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 331.438579][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 331.452788][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 331.459959][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 331.469989][ T27] Call Trace:
[ 331.473249][ T27]
[ 331.476161][ T27] dump_stack_lvl+0x188/0x250
[ 331.480821][ T27] ? show_regs_print_info+0x20/0x20
[ 331.485996][ T27] ? load_image+0x410/0x410
[ 331.490481][ T27] panic+0x2f8/0x850
[ 331.494376][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 331.499987][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 331.504470][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 331.509997][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 331.516127][ T27] watchdog+0xe5a/0xe60
[ 331.520270][ T27] kthread+0x42e/0x520
[ 331.524316][ T27] ? hungtask_pm_notify+0x40/0x40
[ 331.529332][ T27] ? kthread_blkcg+0xd0/0xd0
[ 331.533901][ T27] ret_from_fork+0x1f/0x30
[ 331.538309][ T27]
[ 331.541564][ T27] Kernel Offset: disabled
[ 331.545880][ T27] Rebooting in 86400 seconds..