Warning: Permanently added '10.128.1.180' (ED25519) to the list of known hosts.
2026/08/12 16:58:37 parsed 1 programs
2026/08/12 16:58:37 serving rpc on tcp://45371
[ 131.985962][ T4221] cgroup: Unknown subsys name 'net'
[ 132.100335][ T4221] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 133.874712][ T4221] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 135.509410][ T4229] chnl_net:caif_netlink_parms(): no params data found
[ 135.579643][ T4229] bridge0: port 1(bridge_slave_0) entered blocking state
[ 135.592667][ T4229] bridge0: port 1(bridge_slave_0) entered disabled state
[ 135.605381][ T4229] device bridge_slave_0 entered promiscuous mode
[ 135.624121][ T4229] bridge0: port 2(bridge_slave_1) entered blocking state
[ 135.632660][ T4229] bridge0: port 2(bridge_slave_1) entered disabled state
[ 135.642634][ T4229] device bridge_slave_1 entered promiscuous mode
[ 135.671615][ T4229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 135.685167][ T4229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 135.712700][ T4229] team0: Port device team_slave_0 added
[ 135.722694][ T4229] team0: Port device team_slave_1 added
[ 135.745270][ T4229] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 135.753598][ T4229] 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.
[ 135.783075][ T4229] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 135.802238][ T4229] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 135.811567][ T4229] 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.
[ 135.853502][ T4229] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 135.897162][ T4229] device hsr_slave_0 entered promiscuous mode
[ 135.906421][ T4229] device hsr_slave_1 entered promiscuous mode
[ 136.027945][ T4229] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 136.044885][ T4229] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 136.056769][ T4229] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 136.068304][ T4229] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 136.095649][ T4229] bridge0: port 2(bridge_slave_1) entered blocking state
[ 136.104225][ T4229] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 136.112267][ T4229] bridge0: port 1(bridge_slave_0) entered blocking state
[ 136.119715][ T4229] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 136.168849][ T4229] 8021q: adding VLAN 0 to HW filter on device bond0
[ 136.182698][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 136.195808][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 136.206587][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 136.217865][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 136.232296][ T4229] 8021q: adding VLAN 0 to HW filter on device team0
[ 136.247239][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 136.258064][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 136.266886][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 136.282547][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 136.292564][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 136.305001][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 136.330310][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 136.346655][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 136.365673][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 136.384763][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 136.399939][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 136.412679][ T4229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 136.511516][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 136.519589][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 136.536087][ T4229] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 136.556327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 136.567985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 136.590687][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 136.600825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 136.610468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 136.618893][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 136.631763][ T4229] device veth0_vlan entered promiscuous mode
[ 136.644696][ T4229] device veth1_vlan entered promiscuous mode
[ 136.667805][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 136.676421][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 136.685220][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 136.694822][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 136.706855][ T4229] device veth0_macvtap entered promiscuous mode
[ 136.717554][ T4229] device veth1_macvtap entered promiscuous mode
[ 136.734123][ T4229] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 136.746146][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 136.755072][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 136.765058][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 136.776398][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 136.790370][ T4229] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 136.800681][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 136.811003][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 136.824366][ T4229] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 136.835457][ T4229] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 136.845483][ T4229] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 136.855406][ T4229] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 137.018109][ T4229] syz-executor (4229) used greatest stack depth: 20944 bytes left
[ 137.042501][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 137.835232][ T421] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 137.847239][ T421] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 137.870269][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 137.885845][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 137.894066][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 137.901673][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 138.246545][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 138.253725][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 139.834294][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 142.490051][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 142.564429][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 143.482799][ T154] device hsr_slave_0 left promiscuous mode
[ 143.492150][ T154] device hsr_slave_1 left promiscuous mode
[ 143.502145][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 143.522348][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
2026/08/12 16:58:51 executed programs: 0
[ 143.546023][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 143.561761][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 143.574010][ T154] device bridge_slave_1 left promiscuous mode
[ 143.584495][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 143.612000][ T154] device bridge_slave_0 left promiscuous mode
[ 143.619414][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 143.685256][ T154] device veth1_macvtap left promiscuous mode
[ 143.692057][ T154] device veth0_macvtap left promiscuous mode
[ 143.708254][ T154] device veth1_vlan left promiscuous mode
[ 143.722451][ T154] device veth0_vlan left promiscuous mode
[ 143.969693][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 143.987228][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 144.002981][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 144.021871][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 144.096330][ T154] bond0 (unregistering): Released all slaves
[ 144.332534][ T4336] chnl_net:caif_netlink_parms(): no params data found
[ 144.435641][ T4336] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.444254][ T4336] bridge0: port 1(bridge_slave_0) entered disabled state
[ 144.459944][ T4336] device bridge_slave_0 entered promiscuous mode
[ 144.484112][ T4336] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.492335][ T4336] bridge0: port 2(bridge_slave_1) entered disabled state
[ 144.502973][ T4336] device bridge_slave_1 entered promiscuous mode
[ 144.534134][ T4336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 144.565104][ T4336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 144.622659][ T4336] team0: Port device team_slave_0 added
[ 144.645944][ T4336] team0: Port device team_slave_1 added
[ 144.692645][ T4336] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 144.722964][ T4336] 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.
[ 144.782897][ T4336] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 144.806021][ T4336] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 144.813749][ T4336] 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.
[ 144.841459][ T4336] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 144.900275][ T4336] device hsr_slave_0 entered promiscuous mode
[ 144.910187][ T4336] device hsr_slave_1 entered promiscuous mode
[ 145.591821][ T4336] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 145.603768][ T4336] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 145.615021][ T4336] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 145.627604][ T4336] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 145.737880][ T4336] 8021q: adding VLAN 0 to HW filter on device bond0
[ 145.757109][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 145.766686][ T1108] Bluetooth: hci0: command 0x0409 tx timeout
[ 145.771663][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 145.797035][ T4336] 8021q: adding VLAN 0 to HW filter on device team0
[ 145.810078][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 145.821765][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 145.832513][ T144] bridge0: port 1(bridge_slave_0) entered blocking state
[ 145.839867][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 145.854046][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 145.886623][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 145.897730][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 145.907007][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 145.914279][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 145.925979][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 145.945221][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 145.968446][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 145.980330][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 146.004787][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 146.017733][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 146.027288][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 146.039805][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 146.050044][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 146.064514][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 146.075882][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 146.091313][ T4336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 146.266170][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 146.283343][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 146.298819][ T4336] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 146.344932][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 146.364094][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 146.406713][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 146.424109][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 146.440841][ T4336] device veth0_vlan entered promiscuous mode
[ 146.448726][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 146.458915][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 146.480066][ T4336] device veth1_vlan entered promiscuous mode
[ 146.530365][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 146.540531][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 146.562047][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 146.576689][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 146.590194][ T4336] device veth0_macvtap entered promiscuous mode
[ 146.606999][ T4336] device veth1_macvtap entered promiscuous mode
[ 146.658231][ T4336] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 146.666786][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 146.676541][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 146.693353][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 146.707376][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 146.727415][ T4336] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 146.737299][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 146.748596][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 146.762447][ T4336] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 146.772280][ T4336] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 146.784152][ T4336] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 146.793792][ T4336] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 146.907909][ T421] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 146.930604][ T421] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 146.974249][ T1217] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 146.982334][ T1217] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 146.992042][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 147.018440][ T1217] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 147.843944][ T23] Bluetooth: hci0: command 0x041b tx timeout
[ 149.923185][ T21] Bluetooth: hci0: command 0x040f tx timeout
[ 152.003044][ T23] Bluetooth: hci0: command 0x0419 tx timeout
[ 199.685313][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 199.692199][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 261.125083][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 261.132152][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 268.332957][ T23] Bluetooth: hci0: command 0x0406 tx timeout
[ 295.693051][ T27] INFO: task kworker/u4:4:1217 blocked for more than 143 seconds.
[ 295.701565][ T27] Not tainted syzkaller #0
[ 295.706932][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 295.716536][ T27] task:kworker/u4:4 state:D stack:22192 pid: 1217 ppid: 2 flags:0x00004000
[ 295.728955][ T27] Workqueue: writeback wb_workfn (flush-8:0)
[ 295.735730][ T27] Call Trace:
[ 295.739202][ T27]
[ 295.742995][ T27] __schedule+0x11c3/0x4350
[ 295.747842][ T27] ? release_firmware_map_entry+0x190/0x190
[ 295.754040][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 295.760164][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 295.766826][ T27] ? blk_check_plugged+0x250/0x250
[ 295.773737][ T27] ? kthread_data+0x4b/0xc0
[ 295.779067][ T27] schedule+0x11b/0x1e0
[ 295.783779][ T27] io_schedule+0x7c/0xd0
[ 295.788217][ T27] bit_wait_io+0xd/0xc0
[ 295.793015][ T27] __wait_on_bit_lock+0xb7/0x1a0
[ 295.798412][ T27] ? bit_wait+0xc0/0xc0
[ 295.802661][ T27] out_of_line_wait_on_bit_lock+0x138/0x190
[ 295.809407][ T27] ? bit_wait+0xc0/0xc0
[ 295.814861][ T27] ? __wait_on_bit_lock+0x1a0/0x1a0
[ 295.821335][ T27] ? bit_waitqueue+0x30/0x30
[ 295.827161][ T27] do_get_write_access+0x1c4/0xe40
[ 295.833398][ T27] ? jbd2_journal_add_journal_head+0x504/0x570
[ 295.840468][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 295.849406][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 295.857331][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 295.864591][ T27] ext4_mb_mark_diskspace_used+0x1c9/0x14e0
[ 295.871819][ T27] ? slab_free_freelist_hook+0xec/0x170
[ 295.877827][ T27] ? ext4_discard_allocated_blocks+0x5c0/0x5c0
[ 295.884917][ T27] ? kmem_cache_free+0x14c/0x210
[ 295.891677][ T27] ext4_mb_new_blocks+0x11ab/0x47c0
[ 295.897197][ T27] ? memset+0x1e/0x40
[ 295.901467][ T27] ? ext4_mb_pa_callback+0xd0/0xd0
[ 295.907334][ T27] ? ext4_inode_to_goal_block+0x313/0x450
[ 295.913420][ T27] ext4_ext_map_blocks+0x17d1/0x63d0
[ 295.919092][ T27] ? ext4_ext_release+0x10/0x10
[ 295.924591][ T27] ? rwsem_write_trylock+0x135/0x1c0
[ 295.930693][ T27] ? ext4_es_lookup_extent+0x5fd/0x9f0
[ 295.937079][ T27] ext4_map_blocks+0x97f/0x1a50
[ 295.942021][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 295.949559][ T27] ? ext4_issue_zeroout+0x250/0x250
[ 295.956682][ T27] ? ext4_inode_journal_mode+0x372/0x460
[ 295.962379][ T27] ext4_writepages+0x124a/0x2d40
[ 295.968359][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 295.973802][ T27] ? mark_lock+0x94/0x320
[ 295.978610][ T27] ? verify_lock_unused+0x140/0x140
[ 295.984768][ T27] ? __lock_acquire+0x13dc/0x7b50
[ 295.990845][ T27] ? writeback_sb_inodes+0x433/0x1750
[ 295.997291][ T27] ? ext4_readpage+0x2e0/0x2e0
[ 296.003863][ T27] do_writepages+0x493/0x700
[ 296.008818][ T27] ? __writepage+0x130/0x130
[ 296.013720][ T27] ? writeback_sb_inodes+0x6b7/0x1750
[ 296.019266][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 296.025146][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 296.031007][ T27] __writeback_single_inode+0x153/0xda0
[ 296.036763][ T27] writeback_sb_inodes+0xaaa/0x1750
[ 296.042253][ T27] ? locked_inode_to_wb_and_lock_list+0x207/0x300
[ 296.049196][ T27] ? reacquire_held_locks+0x319/0x5c0
[ 296.055294][ T27] ? queue_io+0x530/0x530
[ 296.059705][ T27] ? up_read+0x20/0x20
[ 296.063933][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 296.069295][ T27] wb_writeback+0x45e/0xbc0
[ 296.074297][ T27] ? rcu_lock_release+0x20/0x20
[ 296.079652][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 296.085797][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 296.090885][ T27] ? cpumask_next+0xb3/0xd0
[ 296.095481][ T27] wb_workfn+0xb15/0xf20
[ 296.099956][ T27] ? inode_wait_for_writeback+0x220/0x220
[ 296.106241][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 296.112290][ T27] ? __lock_acquire+0x7b50/0x7b50
[ 296.117661][ T27] ? read_lock_is_recursive+0x10/0x10
[ 296.123659][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 296.129906][ T27] ? _raw_spin_unlock+0x40/0x40
[ 296.135043][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 296.140341][ T27] process_one_work+0x867/0xff0
[ 296.145581][ T27] ? worker_detach_from_pool+0x240/0x240
[ 296.151673][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 296.157667][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 296.163367][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 296.168987][ T27] ? wq_worker_running+0x97/0x170
[ 296.174134][ T27] worker_thread+0xad7/0x12a0
[ 296.178965][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 296.185372][ T27] kthread+0x42e/0x520
[ 296.190068][ T27] ? rcu_lock_release+0x20/0x20
[ 296.195259][ T27] ? kthread_blkcg+0xd0/0xd0
[ 296.200309][ T27] ret_from_fork+0x1f/0x30
[ 296.204971][ T27]
[ 296.208429][ T27] INFO: task syz.0.26:4461 blocked for more than 143 seconds.
[ 296.217239][ T27] Not tainted syzkaller #0
[ 296.223935][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 296.234773][ T27] task:syz.0.26 state:D stack:27696 pid: 4461 ppid: 4336 flags:0x00004004
[ 296.244777][ T27] Call Trace:
[ 296.249789][ T27]
[ 296.253941][ T27] __schedule+0x11c3/0x4350
[ 296.260925][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 296.271165][ T27] ? lock_chain_count+0x20/0x20
[ 296.279140][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 296.286665][ T27] ? release_firmware_map_entry+0x190/0x190
[ 296.294156][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 296.300313][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 296.309144][ T27] schedule+0x11b/0x1e0
[ 296.315009][ T27] io_schedule+0x7c/0xd0
[ 296.321351][ T27] bit_wait_io+0xd/0xc0
[ 296.329851][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 296.335568][ T27] ? bit_wait+0xc0/0xc0
[ 296.340293][ T27] ? __wait_on_bit+0x170/0x170
[ 296.345165][ T27] ? do_raw_spin_lock+0x128/0x2f0
[ 296.350675][ T27] ? bit_waitqueue+0x30/0x30
[ 296.355686][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 296.361310][ T27] do_get_write_access+0x134/0xe40
[ 296.366968][ T27] jbd2_journal_get_write_access+0x108/0x140
[ 296.373779][ T27] __ext4_journal_get_write_access+0x24d/0x6e0
[ 296.380439][ T27] ? __ext4_journal_ensure_credits+0x450/0x450
[ 296.387623][ T27] ? slab_post_alloc_hook+0x68/0x380
[ 296.393850][ T27] ? __might_sleep+0xf0/0xf0
[ 296.399033][ T27] ext4_reserve_inode_write+0x203/0x2e0
[ 296.405403][ T27] __ext4_mark_inode_dirty+0x136/0x6c0
[ 296.411655][ T27] ext4_dirty_inode+0xbf/0x100
[ 296.416964][ T27] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 296.424030][ T27] __mark_inode_dirty+0x2c8/0xc90
[ 296.429614][ T27] generic_update_time+0x1cd/0x1f0
[ 296.434955][ T27] file_update_time+0x3c0/0x440
[ 296.440732][ T27] ? file_remove_privs+0x5d0/0x5d0
[ 296.446465][ T27] ext4_page_mkwrite+0x1bc/0x1250
[ 296.453036][ T27] ? mapping_seek_hole_data+0x1300/0x1300
[ 296.458989][ T27] ? ext4_change_inode_journal_flag+0x710/0x710
[ 296.465593][ T27] ? count_memcg_event_mm+0x324/0x370
[ 296.471706][ T27] ? remove_device_exclusive_entry+0xac0/0xac0
[ 296.478482][ T27] ? verify_lock_unused+0x140/0x140
[ 296.484058][ T27] do_page_mkwrite+0x168/0x3c0
[ 296.489237][ T27] handle_mm_fault+0x1e47/0x4440
[ 296.494308][ T27] ? get_page+0xe0/0xe0
[ 296.499210][ T27] ? vmacache_find+0x4e3/0x590
[ 296.504406][ T27] ? vmacache_update+0xa0/0x100
[ 296.509947][ T27] ? find_vma+0x1df/0x230
[ 296.514458][ T27] do_user_addr_fault+0x494/0xc90
[ 296.520036][ T27] exc_page_fault+0x60/0x100
[ 296.524763][ T27] asm_exc_page_fault+0x22/0x30
[ 296.529938][ T27] RIP: 0033:0x7f0c01e9f7f1
[ 296.534743][ T27] RSP: 002b:00007fff745abdb0 EFLAGS: 00010202
[ 296.541040][ T27] RAX: 0000001b33964000 RBX: 0000000000000000 RCX: 000000000003fde8
[ 296.551468][ T27] RDX: 0000001b33963fff RSI: 0000000000000008 RDI: 00007f0c02d8e720
[ 296.559767][ T27] RBP: 00007f0c02d8e720 R08: 0000000000000000 R09: 00007f0c0225f038
[ 296.567998][ T27] R10: 00007f0c02d8e700 R11: 0000000000000000 R12: 0000000000000000
[ 296.576664][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[ 296.585166][ T27]
[ 296.588462][ T27]
[ 296.588462][ T27] Showing all locks held in the system:
[ 296.597001][ T27] 1 lock held by khungtaskd/27:
[ 296.602371][ T27] #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 296.612550][ T27] 6 locks held by kworker/u4:4/1217:
[ 296.618373][ T27] #0: ffff8880191d8138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[ 296.630992][ T27] #1: ffffc90004cffd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[ 296.644780][ T27] #2: ffff88814cffe0e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 296.656815][ T27] #3: ffff88814d408c58 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x213/0x2d40
[ 296.668385][ T27] #4: ffff88814d40a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 296.678273][ T27] #5: ffff88806ecd0278 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x8c4/0x1a50
[ 296.688680][ T27] 1 lock held by klogd/3547:
[ 296.693450][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x130
[ 296.704014][ T27] 2 locks held by getty/3942:
[ 296.708835][ T27] #0: ffff88802cb31098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 296.718775][ T27] #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[ 296.729690][ T27] 3 locks held by syz.0.26/4461:
[ 296.734735][ T27] #0: ffff888075364728 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2bb/0xc90
[ 296.744960][ T27] #1: ffff88814cffe558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1a5/0x1250
[ 296.755340][ T27] #2: ffff88814d40a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12d5/0x1560
[ 296.765344][ T27]
[ 296.767738][ T27] =============================================
[ 296.767738][ T27]
[ 296.776350][ T27] NMI backtrace for cpu 0
[ 296.780929][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 296.788441][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 296.799262][ T27] Call Trace:
[ 296.802926][ T27]
[ 296.805906][ T27] dump_stack_lvl+0x188/0x250
[ 296.810932][ T27] ? show_regs_print_info+0x20/0x20
[ 296.816165][ T27] ? load_image+0x410/0x410
[ 296.821271][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 296.826710][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 296.831780][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 296.838446][ T27] ? _printk+0xda/0x130
[ 296.843192][ T27] ? load_image+0x410/0x410
[ 296.848181][ T27] ? load_image+0x410/0x410
[ 296.852902][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 296.859246][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 296.865788][ T27] watchdog+0xe1b/0xe60
[ 296.869976][ T27] kthread+0x42e/0x520
[ 296.874087][ T27] ? hungtask_pm_notify+0x40/0x40
[ 296.879320][ T27] ? kthread_blkcg+0xd0/0xd0
[ 296.884047][ T27] ret_from_fork+0x1f/0x30
[ 296.888961][ T27]
[ 296.892706][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 296.898423][ C1] NMI backtrace for cpu 1
[ 296.898435][ C1] CPU: 1 PID: 4405 Comm: kworker/u4:5 Not tainted syzkaller #0
[ 296.898451][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 296.898462][ C1] Workqueue: events_unbound cfg80211_wiphy_work
[ 296.898486][ C1] RIP: 0010:mark_lock+0xec/0x320
[ 296.898503][ C1] Code: 06 02 00 00 83 3d 43 bd d1 14 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 14 8d 60 00 01 00 00 00 45 85 27 74 50 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
[ 296.898531][ C1] RSP: 0018:ffffc9000311f980 EFLAGS: 00000046
[ 296.898544][ C1] RAX: 1ffffffff1f7bba2 RBX: ffff88807bf73b80 RCX: ffffffff815d9204
[ 296.898556][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901ee1d0
[ 296.898567][ C1] RBP: 0000000000000006 R08: ffffffff901ee1d7 R09: 1ffffffff203dc3a
[ 296.898577][ C1] R10: dffffc0000000000 R11: fffffbfff203dc3b R12: 0000000000000040
[ 296.898589][ C1] R13: dffffc0000000000 R14: ffff88807bf74698 R15: ffffffff8fbddd10
[ 296.898601][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 296.898614][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 296.898625][ C1] CR2: 00007f1a9b176000 CR3: 000000007e63c000 CR4: 00000000003506e0
[ 296.898640][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 296.898649][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 296.898659][ C1] Call Trace:
[ 296.898663][ C1]
[ 296.898670][ C1] lockdep_hardirqs_on_prepare+0x380/0x7c0
[ 296.898693][ C1] ? lock_chain_count+0x20/0x20
[ 296.898711][ C1] ? __rwlock_init+0x140/0x140
[ 296.898729][ C1] trace_hardirqs_on+0x67/0x80
[ 296.898747][ C1] _raw_spin_unlock_irqrestore+0x82/0x120
[ 296.898764][ C1] ? _raw_spin_unlock+0x40/0x40
[ 296.898778][ C1] ? kcov_remote_stop+0xc4/0x4c0
[ 296.898797][ C1] skb_dequeue+0x120/0x150
[ 296.898815][ C1] ? ieee80211_iface_work+0x95d/0xc50
[ 296.898833][ C1] ieee80211_iface_work+0x970/0xc50
[ 296.898850][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 296.898866][ C1] cfg80211_wiphy_work+0x224/0x260
[ 296.898885][ C1] process_one_work+0x867/0xff0
[ 296.898908][ C1] ? worker_detach_from_pool+0x240/0x240
[ 296.898925][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 296.898943][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 296.898958][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 296.898974][ C1] ? wq_worker_running+0x97/0x170
[ 296.898990][ C1] worker_thread+0xad7/0x12a0
[ 296.899018][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 296.899038][ C1] kthread+0x42e/0x520
[ 296.899052][ C1] ? rcu_lock_release+0x20/0x20
[ 296.899068][ C1] ? kthread_blkcg+0xd0/0xd0
[ 296.899083][ C1] ret_from_fork+0x1f/0x30
[ 296.899106][ C1]
[ 296.899560][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 297.213306][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 297.220541][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 297.230920][ T27] Call Trace:
[ 297.234238][ T27]
[ 297.237221][ T27] dump_stack_lvl+0x188/0x250
[ 297.241936][ T27] ? show_regs_print_info+0x20/0x20
[ 297.247327][ T27] ? load_image+0x410/0x410
[ 297.252134][ T27] panic+0x2f8/0x850
[ 297.256172][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 297.262064][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 297.267079][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 297.273435][ T27] watchdog+0xe5a/0xe60
[ 297.277743][ T27] kthread+0x42e/0x520
[ 297.282007][ T27] ? hungtask_pm_notify+0x40/0x40
[ 297.287141][ T27] ? kthread_blkcg+0xd0/0xd0
[ 297.291843][ T27] ret_from_fork+0x1f/0x30
[ 297.296282][ T27]
[ 297.299638][ T27] Kernel Offset: disabled
[ 297.304104][ T27] Rebooting in 86400 seconds..