Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts.
2026/08/05 16:13:25 parsed 1 programs
2026/08/05 16:13:25 serving rpc on tcp://41409
[ 124.718744][ T4222] cgroup: Unknown subsys name 'net'
[ 124.824409][ T4222] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 126.350102][ T4222] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 127.838720][ T4231] chnl_net:caif_netlink_parms(): no params data found
[ 127.886127][ T4231] bridge0: port 1(bridge_slave_0) entered blocking state
[ 127.893682][ T4231] bridge0: port 1(bridge_slave_0) entered disabled state
[ 127.901789][ T4231] device bridge_slave_0 entered promiscuous mode
[ 127.910990][ T4231] bridge0: port 2(bridge_slave_1) entered blocking state
[ 127.918365][ T4231] bridge0: port 2(bridge_slave_1) entered disabled state
[ 127.926609][ T4231] device bridge_slave_1 entered promiscuous mode
[ 127.947775][ T4231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 127.959067][ T4231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 127.982295][ T4231] team0: Port device team_slave_0 added
[ 127.990369][ T4231] team0: Port device team_slave_1 added
[ 128.008291][ T4231] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 128.015327][ T4231] 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.
[ 128.041292][ T4231] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 128.054999][ T4231] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 128.062430][ T4231] 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.
[ 128.088513][ T4231] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 128.123913][ T4231] device hsr_slave_0 entered promiscuous mode
[ 128.130855][ T4231] device hsr_slave_1 entered promiscuous mode
[ 128.232836][ T4231] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 128.245006][ T4231] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 128.254985][ T4231] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 128.265596][ T4231] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 128.289685][ T4231] bridge0: port 2(bridge_slave_1) entered blocking state
[ 128.296913][ T4231] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 128.305263][ T4231] bridge0: port 1(bridge_slave_0) entered blocking state
[ 128.312384][ T4231] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 128.359641][ T4231] 8021q: adding VLAN 0 to HW filter on device bond0
[ 128.372833][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 128.383215][ T3080] bridge0: port 1(bridge_slave_0) entered disabled state
[ 128.392197][ T3080] bridge0: port 2(bridge_slave_1) entered disabled state
[ 128.401485][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 128.415906][ T4231] 8021q: adding VLAN 0 to HW filter on device team0
[ 128.428157][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 128.437102][ T1235] bridge0: port 1(bridge_slave_0) entered blocking state
[ 128.444240][ T1235] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 128.467129][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 128.476283][ T1235] bridge0: port 2(bridge_slave_1) entered blocking state
[ 128.483378][ T1235] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 128.492817][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 128.501524][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 128.516776][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 128.528194][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 128.543036][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 128.556479][ T4231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 128.645025][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 128.652522][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 128.666987][ T4231] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 128.686619][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 128.705946][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 128.716228][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 128.724011][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 128.734777][ T4231] device veth0_vlan entered promiscuous mode
[ 128.746520][ T4231] device veth1_vlan entered promiscuous mode
[ 128.767704][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 128.775964][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 128.785536][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 128.796106][ T4231] device veth0_macvtap entered promiscuous mode
[ 128.804961][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 128.815619][ T4231] device veth1_macvtap entered promiscuous mode
[ 128.831083][ T4231] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 128.838776][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 128.847912][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 128.859947][ T4231] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 128.867632][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 128.877597][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 128.889313][ T4231] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.898685][ T4231] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.907909][ T4231] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.916720][ T4231] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 129.058137][ T3080] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 131.771199][ T3080] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 134.070289][ T3080] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 134.152967][ T3080] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 134.930668][ T3080] device hsr_slave_0 left promiscuous mode
[ 134.956200][ T3080] device hsr_slave_1 left promiscuous mode
[ 134.963003][ T3080] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 134.971144][ T3080] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 134.980735][ T3080] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 134.989314][ T3080] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 134.997660][ T3080] device bridge_slave_1 left promiscuous mode
[ 135.004840][ T3080] bridge0: port 2(bridge_slave_1) entered disabled state
[ 135.023172][ T3080] device bridge_slave_0 left promiscuous mode
[ 135.029834][ T3080] bridge0: port 1(bridge_slave_0) entered disabled state
[ 135.056731][ T3080] device veth1_macvtap left promiscuous mode
[ 135.063150][ T3080] device veth0_macvtap left promiscuous mode
[ 135.069675][ T3080] device veth1_vlan left promiscuous mode
[ 135.077300][ T3080] device veth0_vlan left promiscuous mode
[ 135.283267][ T3080] team0 (unregistering): Port device team_slave_1 removed
[ 135.297065][ T3080] team0 (unregistering): Port device team_slave_0 removed
[ 135.310926][ T3080] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 135.326609][ T3080] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 135.383625][ T3080] bond0 (unregistering): Released all slaves
[ 135.545561][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 135.556313][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 135.574975][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 135.618397][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 135.627715][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 135.635764][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/08/05 16:13:39 executed programs: 0
[ 136.847840][ T4365] chnl_net:caif_netlink_parms(): no params data found
[ 136.922269][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 136.930800][ T4365] bridge0: port 1(bridge_slave_0) entered disabled state
[ 136.939436][ T4365] device bridge_slave_0 entered promiscuous mode
[ 136.949688][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 136.957294][ T4365] bridge0: port 2(bridge_slave_1) entered disabled state
[ 136.967433][ T4365] device bridge_slave_1 entered promiscuous mode
[ 136.998477][ T4365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 137.011587][ T4365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 137.042599][ T4365] team0: Port device team_slave_0 added
[ 137.053739][ T4365] team0: Port device team_slave_1 added
[ 137.078027][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 137.095032][ T4365] 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.
[ 137.154196][ T4365] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 137.176015][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 137.183026][ T4365] 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.
[ 137.244208][ T4365] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 137.330535][ T4365] device hsr_slave_0 entered promiscuous mode
[ 137.338919][ T4365] device hsr_slave_1 entered promiscuous mode
[ 137.961127][ T4365] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 138.080597][ T4365] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 138.097805][ T4365] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 138.119262][ T4365] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 138.227142][ T4365] 8021q: adding VLAN 0 to HW filter on device bond0
[ 138.256850][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 138.267987][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 138.288553][ T4365] 8021q: adding VLAN 0 to HW filter on device team0
[ 138.309784][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 138.327764][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 138.346050][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 138.353209][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 138.377348][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 138.386962][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 138.398162][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 138.404904][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[ 138.416804][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 138.426970][ T155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 138.434470][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 138.446529][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 138.474960][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 138.495040][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 138.516038][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 138.533437][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 138.555512][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 138.584536][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 138.613364][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 138.632038][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 138.642600][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 138.651662][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 138.662280][ T4365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 138.715504][ T21] Bluetooth: hci0: command 0x0409 tx timeout
[ 138.993279][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 139.002273][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 139.017643][ T4365] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 139.045451][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 139.056684][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 139.120608][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 139.137865][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 139.151164][ T4365] device veth0_vlan entered promiscuous mode
[ 139.161964][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 139.170908][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 139.228143][ T4365] device veth1_vlan entered promiscuous mode
[ 139.253012][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 139.263204][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 139.273449][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 139.286052][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 139.298089][ T4365] device veth0_macvtap entered promiscuous mode
[ 139.355241][ T4365] device veth1_macvtap entered promiscuous mode
[ 139.388766][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 139.398029][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 139.407643][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 139.416147][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 139.425199][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 139.472968][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 139.483760][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 139.493546][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 139.506778][ T4365] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 139.517626][ T4365] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 139.526682][ T4365] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 139.535754][ T4365] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 139.722408][ T1235] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 139.742431][ T1235] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 139.751253][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 139.814365][ T141] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 139.822239][ T141] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 139.832020][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 140.794411][ T21] Bluetooth: hci0: command 0x041b tx timeout
[ 142.874224][ T21] Bluetooth: hci0: command 0x040f tx timeout
[ 144.954416][ T21] Bluetooth: hci0: command 0x0419 tx timeout
[ 199.836439][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 199.842809][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[ 261.276325][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 261.282694][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[ 263.354330][ T1326] Bluetooth: hci0: command 0x0406 tx timeout
[ 288.164211][ T27] INFO: task kworker/u4:3:155 blocked for more than 143 seconds.
[ 288.172174][ T27] Not tainted syzkaller #0
[ 288.178388][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 288.187158][ T27] task:kworker/u4:3 state:D stack:22928 pid: 155 ppid: 2 flags:0x00004000
[ 288.197625][ T27] Workqueue: writeback wb_workfn (flush-8:0)
[ 288.203708][ T27] Call Trace:
[ 288.207048][ T27]
[ 288.210015][ T27] __schedule+0x11c3/0x4350
[ 288.214643][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 288.220680][ T27] ? lock_chain_count+0x20/0x20
[ 288.225612][ T27] ? release_firmware_map_entry+0x190/0x190
[ 288.231538][ T27] ? blk_check_plugged+0x250/0x250
[ 288.236785][ T27] ? kthread_data+0x4b/0xc0
[ 288.241331][ T27] schedule+0x11b/0x1e0
[ 288.245593][ T27] io_schedule+0x7c/0xd0
[ 288.249876][ T27] bit_wait_io+0xd/0xc0
[ 288.254102][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 288.259591][ T27] ? bit_wait+0xc0/0xc0
[ 288.263756][ T27] ? __wait_on_bit+0x170/0x170
[ 288.268635][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 288.273693][ T27] ? bit_waitqueue+0x30/0x30
[ 288.278349][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 288.283614][ T27] do_get_write_access+0x134/0xe40
[ 288.288804][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 288.294842][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 288.301033][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 288.307267][ T27] ? ext4_get_group_desc+0x3d9/0x4d0
[ 288.312608][ T27] ext4_mb_mark_diskspace_used+0x27d/0x14e0
[ 288.318674][ T27] ? ext4_discard_allocated_blocks+0x5c0/0x5c0
[ 288.324903][ T27] ? kmem_cache_free+0x14c/0x210
[ 288.329856][ T27] ext4_mb_new_blocks+0x11ab/0x47c0
[ 288.335135][ T27] ? memset+0x1e/0x40
[ 288.339149][ T27] ? ext4_mb_pa_callback+0xd0/0xd0
[ 288.344331][ T27] ? ext4_inode_to_goal_block+0x313/0x450
[ 288.350092][ T27] ext4_ext_map_blocks+0x17d1/0x63d0
[ 288.355472][ T27] ? ext4_ext_release+0x10/0x10
[ 288.360380][ T27] ? rwsem_write_trylock+0x135/0x1c0
[ 288.365732][ T27] ? ext4_es_lookup_extent+0x5fd/0x9f0
[ 288.371223][ T27] ext4_map_blocks+0x97f/0x1a50
[ 288.376130][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 288.381454][ T27] ? ext4_issue_zeroout+0x250/0x250
[ 288.386715][ T27] ? ext4_inode_journal_mode+0x372/0x460
[ 288.392379][ T27] ext4_writepages+0x124a/0x2d40
[ 288.397482][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 288.402512][ T27] ? mark_lock+0x94/0x320
[ 288.406927][ T27] ? verify_lock_unused+0x140/0x140
[ 288.412162][ T27] ? __lock_acquire+0x13dc/0x7b50
[ 288.417276][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 288.422344][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 288.427438][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 288.432658][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 288.437524][ T27] do_writepages+0x493/0x700
[ 288.442173][ T27] ? __writepage+0x130/0x130
[ 288.446827][ T27] ? writeback_sb_inodes+0x6b7/0x1750
[ 288.452254][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 288.457331][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 288.462415][ T27] __writeback_single_inode+0x153/0xda0
[ 288.468035][ T27] writeback_sb_inodes+0xaaa/0x1750
[ 288.473327][ T27] ? queue_io+0x530/0x530
[ 288.477755][ T27] ? __rwlock_init+0x140/0x140
[ 288.482563][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 288.487945][ T27] wb_writeback+0x45e/0xbc0
[ 288.492486][ T27] ? rcu_lock_release+0x20/0x20
[ 288.497399][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 288.503423][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 288.508508][ T27] ? cpumask_next+0xb3/0xd0
[ 288.513042][ T27] wb_workfn+0xb15/0xf20
[ 288.517420][ T27] ? inode_wait_for_writeback+0x220/0x220
[ 288.523175][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 288.529237][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 288.534321][ T27] ? read_lock_is_recursive+0x10/0x10
[ 288.539731][ T27] ? preempt_schedule_thunk+0x16/0x18
[ 288.545180][ T27] process_one_work+0x867/0xff0
[ 288.550069][ T27] ? worker_detach_from_pool+0x240/0x240
[ 288.555776][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 288.561092][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 288.566187][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 288.571757][ T27] ? wq_worker_running+0x97/0x170
[ 288.576834][ T27] worker_thread+0xad7/0x12a0
[ 288.581545][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 288.587510][ T27] kthread+0x42e/0x520
[ 288.591601][ T27] ? rcu_lock_release+0x20/0x20
[ 288.596501][ T27] ? kthread_blkcg+0xd0/0xd0
[ 288.601133][ T27] ret_from_fork+0x1f/0x30
[ 288.605630][ T27]
[ 288.608775][ T27] INFO: task syz.0.36:4520 blocked for more than 143 seconds.
[ 288.616303][ T27] Not tainted syzkaller #0
[ 288.621252][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 288.629997][ T27] task:syz.0.36 state:D stack:27696 pid: 4520 ppid: 4365 flags:0x00004004
[ 288.639287][ T27] Call Trace:
[ 288.642571][ T27]
[ 288.645580][ T27] __schedule+0x11c3/0x4350
[ 288.650126][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 288.656190][ T27] ? lock_chain_count+0x20/0x20
[ 288.661089][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 288.666434][ T27] ? release_firmware_map_entry+0x190/0x190
[ 288.672363][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 288.678324][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 288.683557][ T27] schedule+0x11b/0x1e0
[ 288.687785][ T27] io_schedule+0x7c/0xd0
[ 288.692058][ T27] bit_wait_io+0xd/0xc0
[ 288.696270][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 288.701757][ T27] ? bit_wait+0xc0/0xc0
[ 288.705976][ T27] ? __wait_on_bit+0x170/0x170
[ 288.710765][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 288.717356][ T27] ? bit_waitqueue+0x30/0x30
[ 288.721994][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 288.727598][ T27] do_get_write_access+0x134/0xe40
[ 288.732764][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 288.739009][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 288.745310][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 288.751500][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 288.756847][ T27] ? __might_sleep+0xf0/0xf0
[ 288.761474][ T27] ext4_reserve_inode_write+0x203/0x2e0
[ 288.767104][ T27] __ext4_mark_inode_dirty+0x136/0x6c0
[ 288.772601][ T27] ext4_dirty_inode+0xbf/0x100
[ 288.777500][ T27] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 288.783337][ T27] __mark_inode_dirty+0x2c8/0xc90
[ 288.788434][ T27] generic_update_time+0x1cd/0x1f0
[ 288.793603][ T27] file_update_time+0x3c0/0x440
[ 288.798531][ T27] ? file_remove_privs+0x5d0/0x5d0
[ 288.803682][ T27] ext4_page_mkwrite+0x1bc/0x1250
[ 288.808796][ T27] ? mapping_seek_hole_data+0x1300/0x1300
[ 288.814595][ T27] ? ext4_change_inode_journal_flag+0x710/0x710
[ 288.820867][ T27] ? count_memcg_event_mm+0x324/0x370
[ 288.826328][ T27] ? remove_device_exclusive_entry+0xac0/0xac0
[ 288.832518][ T27] ? verify_lock_unused+0x140/0x140
[ 288.837789][ T27] do_page_mkwrite+0x168/0x3c0
[ 288.842586][ T27] handle_mm_fault+0x1e47/0x4440
[ 288.847597][ T27] ? get_page+0xe0/0xe0
[ 288.851789][ T27] ? vmacache_find+0x4e3/0x590
[ 288.856624][ T27] ? vmacache_update+0xa0/0x100
[ 288.861516][ T27] ? find_vma+0x1df/0x230
[ 288.865917][ T27] do_user_addr_fault+0x494/0xc90
[ 288.871006][ T27] exc_page_fault+0x60/0x100
[ 288.875673][ T27] asm_exc_page_fault+0x22/0x30
[ 288.880581][ T27] RIP: 0033:0x7feb8c0937d1
[ 288.885047][ T27] RSP: 002b:00007ffc80b78890 EFLAGS: 00010202
[ 288.891141][ T27] RAX: 0000001b2d864000 RBX: 0000000000000000 RCX: 000000000003fde8
[ 288.899165][ T27] RDX: 0000001b2d863fff RSI: 0000000000000008 RDI: 00007feb8cf82720
[ 288.907179][ T27] RBP: 00007feb8cf82720 R08: 0000000000000000 R09: 00007feb8c453038
[ 288.915226][ T27] R10: 00007feb8cf82700 R11: 0000000000000000 R12: 0000000000000000
[ 288.923219][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[ 288.931294][ T27]
[ 288.934428][ T27]
[ 288.934428][ T27] Showing all locks held in the system:
[ 288.942160][ T27] 1 lock held by khungtaskd/27:
[ 288.947128][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 288.956531][ T27] 6 locks held by kworker/u4:3/155:
[ 288.961750][ T27] #0: ffff888019598138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[ 288.972360][ T27] #1: ffffc90002007d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 288.984179][ T27] #2: ffff88802c39e0e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 288.994161][ T27] #3: ffff88802c3a0c58 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2d40
[ 289.004773][ T27] #4: ffff88802c3a2990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 289.014636][ T27] #5: ffff888074f13e48 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x8c4/0x1a50
[ 289.024570][ T27] 2 locks held by getty/3950:
[ 289.029290][ T27] #0: ffff88802c11c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 289.039155][ T27] #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 289.049432][ T27] 1 lock held by syz-execprog/4229:
[ 289.054951][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 289.065058][ T27] 3 locks held by syz.0.36/4520:
[ 289.070032][ T27] #0: ffff8880744a5c28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2bb/0xc90
[ 289.080003][ T27] #1: ffff88802c39e558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1a5/0x1250
[ 289.089824][ T27] #2: ffff88802c3a2990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 289.099580][ T27]
[ 289.101947][ T27] =============================================
[ 289.101947][ T27]
[ 289.110428][ T27] NMI backtrace for cpu 1
[ 289.114795][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 289.122031][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 289.132109][ T27] Call Trace:
[ 289.135406][ T27]
[ 289.138364][ T27] dump_stack_lvl+0x188/0x250
[ 289.143061][ T27] ? show_regs_print_info+0x20/0x20
[ 289.148279][ T27] ? load_image+0x410/0x410
[ 289.152802][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 289.157939][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 289.162917][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 289.169091][ T27] ? _printk+0xda/0x130
[ 289.173259][ T27] ? load_image+0x410/0x410
[ 289.177768][ T27] ? load_image+0x410/0x410
[ 289.182281][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 289.188358][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 289.194344][ T27] watchdog+0xe1b/0xe60
[ 289.198522][ T27] kthread+0x42e/0x520
[ 289.202592][ T27] ? hungtask_pm_notify+0x40/0x40
[ 289.207629][ T27] ? kthread_blkcg+0xd0/0xd0
[ 289.212221][ T27] ret_from_fork+0x1f/0x30
[ 289.216659][ T27]
[ 289.219796][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 289.225071][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 289.226064][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 289.240811][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 289.248008][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 289.258062][ T27] Call Trace:
[ 289.261340][ T27]
[ 289.264272][ T27] dump_stack_lvl+0x188/0x250
[ 289.268987][ T27] ? show_regs_print_info+0x20/0x20
[ 289.274209][ T27] ? load_image+0x410/0x410
[ 289.278754][ T27] panic+0x2f8/0x850
[ 289.282675][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 289.288335][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 289.292852][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 289.299016][ T27] watchdog+0xe5a/0xe60
[ 289.303191][ T27] kthread+0x42e/0x520
[ 289.307265][ T27] ? hungtask_pm_notify+0x40/0x40
[ 289.312297][ T27] ? kthread_blkcg+0xd0/0xd0
[ 289.316914][ T27] ret_from_fork+0x1f/0x30
[ 289.321373][ T27]
[ 289.324552][ T27] Kernel Offset: disabled
[ 289.328904][ T27] Rebooting in 86400 seconds..