Warning: Permanently added '10.128.1.101' (ED25519) to the list of known hosts. 1970/01/01 00:00:24 parsed 1 programs [ 26.016420][ T4326] cgroup: Unknown subsys name 'net' [ 26.260180][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 26.570910][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 31.294487][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.295827][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.297766][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 31.310214][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.311526][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.312765][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 31.523462][ T4362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 31.525020][ T4362] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 31.526308][ T4362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 31.528277][ T4364] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 31.529591][ T4364] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 31.530768][ T4364] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 32.285221][ T4412] chnl_net:caif_netlink_parms(): no params data found [ 32.311847][ T4412] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.313048][ T4412] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.314466][ T4412] device bridge_slave_0 entered promiscuous mode [ 32.316678][ T4412] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.318198][ T4412] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.319714][ T4412] device bridge_slave_1 entered promiscuous mode [ 32.326066][ T4412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.328604][ T4412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.335882][ T4412] team0: Port device team_slave_0 added [ 32.337547][ T4412] team0: Port device team_slave_1 added [ 32.342441][ T4412] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.343560][ T4412] 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. [ 32.347296][ T4412] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.349847][ T4412] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.350892][ T4412] 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. [ 32.354673][ T4412] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.388756][ T4412] device hsr_slave_0 entered promiscuous mode [ 32.428361][ T4412] device hsr_slave_1 entered promiscuous mode [ 32.531486][ T4412] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 32.579230][ T4412] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 32.629143][ T4412] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 32.678729][ T4412] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 32.748004][ T4412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.753633][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.755485][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.758120][ T4412] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.761001][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.762735][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.764172][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.765209][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.766671][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 32.784919][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.786546][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.788504][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.789626][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.792825][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.795330][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 32.799632][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.801392][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 32.804103][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.806891][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 32.823650][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 32.826436][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 32.879939][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 32.881270][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 32.884775][ T4412] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.897228][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 32.903695][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 32.905518][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 32.906953][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 32.909469][ T4412] device veth0_vlan entered promiscuous mode [ 32.912519][ T4412] device veth1_vlan entered promiscuous mode [ 32.919941][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 32.921297][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 32.923086][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 32.925270][ T4412] device veth0_macvtap entered promiscuous mode [ 32.928003][ T4412] device veth1_macvtap entered promiscuous mode [ 32.933432][ T4412] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.934645][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 32.936557][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 32.940121][ T4412] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.941428][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 32.943901][ T4412] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.945332][ T4412] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.946747][ T4412] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.949907][ T4412] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:33 executed programs: 0 [ 33.401763][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.403320][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.404985][ T4362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.406684][ T4362] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.408818][ T4362] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.410046][ T4362] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.678188][ T4435] chnl_net:caif_netlink_parms(): no params data found [ 33.693144][ T4435] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.694349][ T4435] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.695914][ T4435] device bridge_slave_0 entered promiscuous mode [ 33.728227][ T4435] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.730982][ T4435] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.732465][ T4435] device bridge_slave_1 entered promiscuous mode [ 33.749693][ T4435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.752030][ T4435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.758697][ T4435] team0: Port device team_slave_0 added [ 33.760320][ T4435] team0: Port device team_slave_1 added [ 33.765014][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.766087][ T4435] 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. [ 33.770546][ T4435] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.773138][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.774273][ T4435] 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. [ 33.778659][ T4435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.898674][ T4435] device hsr_slave_0 entered promiscuous mode [ 33.938662][ T4435] device hsr_slave_1 entered promiscuous mode [ 33.988489][ T4435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 33.989854][ T4435] Cannot create hsr debugfs directory [ 34.518768][ T4435] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.458024][ T4364] Bluetooth: hci0: command 0x0409 tx timeout [ 37.527650][ T4364] Bluetooth: hci0: command 0x041b tx timeout [ 37.668618][ T4435] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.568868][ T4435] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.679483][ T4435] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.903372][ T4435] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.002058][ T4435] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.038496][ T4435] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.078540][ T4435] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.237971][ T4435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.241822][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.243376][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.245900][ T4435] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.248967][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.250535][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.251952][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.253128][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.254410][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.256819][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.258954][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.260355][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.261411][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.312827][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.315555][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.318289][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.319824][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.321432][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.323532][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.325135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.328056][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.329758][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.332056][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.333528][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.335749][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.435717][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.436989][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.440757][ T4435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.446657][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.449561][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.485913][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.488552][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.490159][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.491382][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.493947][ T4435] device veth0_vlan entered promiscuous mode [ 39.496971][ T4435] device veth1_vlan entered promiscuous mode [ 39.503063][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.504524][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.505972][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.508752][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.511193][ T4435] device veth0_macvtap entered promiscuous mode [ 39.513548][ T4435] device veth1_macvtap entered promiscuous mode [ 39.551211][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 39.552937][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 39.554834][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.555974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.558807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 39.560198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.561736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.564072][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 39.565789][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 39.568110][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.569280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.570998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.573198][ T4435] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.574643][ T4435] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.576000][ T4435] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.577363][ T4435] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.595934][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.598607][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.602788][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.606441][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.608762][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.610203][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.617612][ T4364] Bluetooth: hci0: command 0x040f tx timeout [ 39.710447][ T1574] device hsr_slave_0 left promiscuous mode [ 39.748269][ T1574] device hsr_slave_1 left promiscuous mode [ 39.825256][ T4466] loop0: detected capacity change from 0 to 32768 [ 39.829184][ T4466] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 39.830520][ T4466] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 39.842781][ T4466] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 39.845393][ T4394] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 39.846495][ T4394] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 39.847861][ T1574] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.849025][ T1574] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.850814][ T1574] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.853672][ T1574] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.857415][ T1574] device bridge_slave_1 left promiscuous mode [ 39.860186][ T4394] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 39.860456][ T1574] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.862189][ T4394] gfs2: fsid=syz:syz.0: jid=0: Done [ 39.863529][ T4466] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 39.909165][ T1574] device bridge_slave_0 left promiscuous mode [ 39.910275][ T1574] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.964000][ T4466] gfs2: fsid=syz:syz.0: found 1 quota changes [ 39.977176][ T4435] ------------[ cut here ]------------ [ 39.978217][ T4435] WARNING: CPU: 1 PID: 4435 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 39.979731][ T4435] Modules linked in: [ 39.980328][ T4435] CPU: 1 PID: 4435 Comm: syz-executor Not tainted syzkaller #0 [ 39.981420][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 39.982978][ T4435] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 39.984131][ T4435] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 39.984927][ T4435] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 39.985764][ T4435] sp : ffff800020dd73c0 [ 39.986354][ T4435] x29: ffff800020dd73e0 x28: 1fffff80006a0bd8 x27: dfff800000000000 [ 39.987600][ T4435] x26: 0000000000000000 x25: ffff0000c550be90 x24: 0000000000000001 [ 39.988834][ T4435] x23: 0000000000000000 x22: fffffc0003505ec8 x21: 1fffe00018aa17d2 [ 39.990079][ T4435] x20: ffff0000ef3da250 x19: fffffc0003505ec0 x18: ffff800011b8bf60 [ 39.991220][ T4435] x17: ffff800018349000 x16: ffff8000082d7e60 x15: ffff800017e2a000 [ 39.992409][ T4435] x14: 0000000000000001 x13: 1fffe00018aa17d2 x12: 0000000000ff0100 [ 39.993596][ T4435] x11: ff00800008708bdc x10: 0000000000000000 x9 : ffff800008708bdc [ 39.994829][ T4435] x8 : ffff0000c4119bc0 x7 : ffff800008708380 x6 : 0000000000000000 [ 39.996004][ T4435] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a56b0c [ 39.997187][ T4435] x2 : ffff0000ce8c2060 x1 : 0000000000000000 x0 : 0000000000000000 [ 39.998404][ T4435] Call trace: [ 39.998865][ T4435] __folio_mark_dirty+0x8a0/0xcd8 [ 39.999589][ T4435] mark_buffer_dirty+0x2b8/0x5c0 [ 40.000281][ T4435] gfs2_unpin+0x120/0x8fc [ 40.000986][ T4435] buf_lo_after_commit+0x140/0x188 [ 40.001742][ T4435] gfs2_log_flush+0xc00/0x1b20 [ 40.002470][ T4435] do_sync+0x8cc/0xaec [ 40.003047][ T4435] gfs2_quota_sync+0x2cc/0x500 [ 40.003724][ T4435] gfs2_sync_fs+0x4c/0xc4 [ 40.004407][ T4435] sync_filesystem+0xe8/0x218 [ 40.005101][ T4435] generic_shutdown_super+0x70/0x324 [ 40.005859][ T4435] kill_block_super+0x70/0xdc [ 40.006581][ T4435] gfs2_kill_sb+0xc0/0xd4 [ 40.007289][ T4435] deactivate_locked_super+0xac/0x120 [ 40.008098][ T4435] deactivate_super+0xe4/0x104 [ 40.008913][ T4435] cleanup_mnt+0x390/0x418 [ 40.009554][ T4435] __cleanup_mnt+0x20/0x30 [ 40.010197][ T4435] task_work_run+0x1ec/0x278 [ 40.010861][ T4435] do_notify_resume+0x1fa0/0x2aa4 [ 40.011613][ T4435] el0_svc+0x98/0x128 [ 40.012205][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 40.012937][ T4435] el0t_64_sync+0x18c/0x190 [ 40.013581][ T4435] irq event stamp: 161956 [ 40.014221][ T4435] hardirqs last enabled at (161955): [] folio_memcg_lock+0xe8/0x1f4 [ 40.015615][ T4435] hardirqs last disabled at (161956): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 40.017119][ T4435] softirqs last enabled at (161502): [] local_bh_enable+0x10/0x34 [ 40.018426][ T4435] softirqs last disabled at (161500): [] local_bh_disable+0x10/0x34 [ 40.019745][ T4435] ---[ end trace 0000000000000000 ]--- [ 40.038999][ T1694] ------------[ cut here ]------------ [ 40.039926][ T1694] WARNING: CPU: 0 PID: 1694 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 40.041441][ T1694] Modules linked in: [ 40.041991][ T1694] CPU: 0 PID: 1694 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 40.043259][ T1694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.044696][ T1694] Workqueue: writeback wb_workfn (flush-7:0) [ 40.045583][ T1694] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.046744][ T1694] pc : __folio_start_writeback+0x88c/0xa7c [ 40.047630][ T1694] lr : __folio_start_writeback+0x88c/0xa7c [ 40.048483][ T1694] sp : ffff800025786c80 [ 40.049080][ T1694] x29: ffff800025786d60 x28: dfff800000000000 x27: 0000000000000000 [ 40.050272][ T1694] x26: ffff700004af0d98 x25: 0000000000000000 x24: ffff0000ef3dace0 [ 40.051469][ T1694] x23: ffff800025786ce0 x22: ffff0000c550bce8 x21: 0000000000000001 [ 40.052684][ T1694] x20: fffffc000370ec48 x19: fffffc000370ec40 x18: ffff800011b8bf60 [ 40.053871][ T1694] x17: ffff800018349000 x16: ffff8000082d7e60 x15: ffff800017e2a000 [ 40.054944][ T1694] x14: 0000000000000001 x13: 1fffff80006e1d88 x12: 0000000000ff0100 [ 40.056183][ T1694] x11: ff0080000870b0e8 x10: 0000000000000000 x9 : ffff80000870b0e8 [ 40.057367][ T1694] x8 : ffff0000d0050000 x7 : 0000000000000000 x6 : 0000000000000000 [ 40.058567][ T1694] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870ab94 [ 40.059800][ T1694] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 40.060911][ T1694] Call trace: [ 40.061403][ T1694] __folio_start_writeback+0x88c/0xa7c [ 40.062206][ T1694] set_page_writeback+0x5c/0x7c [ 40.062934][ T1694] gfs2_aspace_writepage+0x514/0x6dc [ 40.063756][ T1694] __writepage+0x70/0x184 [ 40.064404][ T1694] write_cache_pages+0x74c/0xde8 [ 40.065106][ T1694] do_writepages+0x318/0x504 [ 40.065791][ T1694] filemap_fdatawrite_wbc+0x124/0x174 [ 40.066592][ T1694] filemap_fdatawrite+0xd0/0x12c [ 40.067370][ T1694] gfs2_write_inode+0x234/0x34c [ 40.068059][ T1694] __writeback_single_inode+0x5e0/0x1554 [ 40.068928][ T1694] writeback_sb_inodes+0x858/0x143c [ 40.069727][ T1694] wb_writeback+0x414/0xfcc [ 40.070419][ T1694] wb_workfn+0x360/0xe18 [ 40.071038][ T1694] process_one_work+0x7f8/0x13a4 [ 40.071790][ T1694] worker_thread+0x8c4/0xfec [ 40.072486][ T1694] kthread+0x250/0x2d8 [ 40.073123][ T1694] ret_from_fork+0x10/0x20 [ 40.073800][ T1694] irq event stamp: 281092 [ 40.074395][ T1694] hardirqs last enabled at (281091): [] folio_memcg_lock+0xe8/0x1f4 [ 40.075759][ T1694] hardirqs last disabled at (281092): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 40.077243][ T1694] softirqs last enabled at (281038): [] batadv_nc_purge_paths+0x2f0/0x378 [ 40.078689][ T1694] softirqs last disabled at (281036): [] batadv_nc_purge_paths+0xd0/0x378 [ 40.080212][ T1694] ---[ end trace 0000000000000000 ]--- [ 40.083372][ C0] ------------[ cut here ]------------ [ 40.084298][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 40.085852][ C0] Modules linked in: [ 40.086521][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 40.087719][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.089158][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.090337][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 40.091125][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 40.091939][ C0] sp : ffff80001ca17970 [ 40.092551][ C0] x29: ffff80001ca17990 x28: dfff800000000000 x27: ffff0000c550bce8 [ 40.093819][ C0] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff80006e1d88 [ 40.095009][ C0] x23: 0000000000000001 x22: ffff0000ef3dace0 x21: ffff0000ef3dace8 [ 40.096273][ C0] x20: 0000000000000001 x19: fffffc000370ec40 x18: ffff800011b8bf60 [ 40.097510][ C0] x17: ffff800018349000 x16: ffff8000082d7e60 x15: ffff800017e2a000 [ 40.098706][ C0] x14: 0000000000000003 x13: 1ffff00003942f20 x12: 0000000000ff0100 [ 40.099855][ C0] x11: ff0080000870a660 x10: 0000000000000000 x9 : ffff80000870a660 [ 40.101015][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 40.102201][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 40.103344][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 40.104514][ C0] Call trace: [ 40.104979][ C0] __folio_end_writeback+0x7d0/0x9cc [ 40.105770][ C0] folio_end_writeback+0x12c/0x410 [ 40.106482][ C0] end_page_writeback+0x58/0x74 [ 40.107196][ C0] end_buffer_async_write+0x32c/0x4f4 [ 40.108052][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 40.108795][ C0] bio_endio+0x750/0x794 [ 40.109408][ C0] blk_update_request+0x49c/0xbec [ 40.110210][ C0] blk_mq_end_request+0x54/0x88 [ 40.110866][ C0] lo_complete_rq+0x1ec/0x250 [ 40.111581][ C0] blk_done_softirq+0x11c/0x168 [ 40.112326][ C0] handle_softirqs+0x318/0xc60 [ 40.113051][ C0] run_ksoftirqd+0x7c/0x2ac [ 40.113739][ C0] smpboot_thread_fn+0x4b0/0x964 [ 40.114447][ C0] kthread+0x250/0x2d8 [ 40.115045][ C0] ret_from_fork+0x10/0x20 [ 40.115681][ C0] irq event stamp: 405727 [ 40.116296][ C0] hardirqs last enabled at (405726): [] folio_memcg_lock+0xe8/0x1f4 [ 40.117635][ C0] hardirqs last disabled at (405727): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 40.119095][ C0] softirqs last enabled at (405700): [] handle_softirqs+0xaec/0xc60 [ 40.120393][ C0] softirqs last disabled at (405707): [] run_ksoftirqd+0x7c/0x2ac [ 40.121658][ C0] ---[ end trace 0000000000000000 ]--- [ 40.128014][ T1574] device veth1_macvtap left promiscuous mode [ 40.129106][ T1574] device veth0_macvtap left promiscuous mode [ 40.130213][ T1574] device veth1_vlan left promiscuous mode [ 40.131150][ T1574] device veth0_vlan left promiscuous mode