Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs [ 33.235358][ T4325] cgroup: Unknown subsys name 'net' [ 33.455567][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.727233][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.975575][ T4367] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.977161][ T4367] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.978440][ T4367] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.979895][ T4367] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.981182][ T4367] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.982375][ T4367] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.110938][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 40.128641][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.129889][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.131496][ T4371] device bridge_slave_0 entered promiscuous mode [ 40.134834][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.135946][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.137344][ T4371] device bridge_slave_1 entered promiscuous mode [ 40.143971][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.146316][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.153600][ T4371] team0: Port device team_slave_0 added [ 40.155298][ T4371] team0: Port device team_slave_1 added [ 40.160488][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.161587][ T4371] 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. [ 40.167647][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.170217][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.171260][ T4371] 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. [ 40.175837][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.253977][ T4371] device hsr_slave_0 entered promiscuous mode [ 40.273057][ T4371] device hsr_slave_1 entered promiscuous mode [ 40.347153][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.414354][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.464181][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.504353][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.539817][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.540962][ T4371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.542259][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.543434][ T4371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.560006][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.564122][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.566546][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.568249][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.572474][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.577172][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.578866][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.579948][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.582433][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.584024][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.585154][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.594577][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.596162][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.597914][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.599646][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.601171][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.602676][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.605077][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.606699][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.608195][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.609623][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.611298][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.614834][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.665563][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.666807][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.670441][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.677125][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.679102][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.685056][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.686967][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.688680][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.690136][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.692207][ T4371] device veth0_vlan entered promiscuous mode [ 40.695634][ T4371] device veth1_vlan entered promiscuous mode [ 40.703112][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.704495][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.705928][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.707489][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.709641][ T4371] device veth0_macvtap entered promiscuous mode [ 40.712041][ T4371] device veth1_macvtap entered promiscuous mode [ 40.725808][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.727095][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.728528][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.729891][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.731385][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.735595][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.736935][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.738532][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.741343][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.743031][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.744432][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.745828][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.349368][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.350596][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.352432][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.361567][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.362984][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.364966][ T211] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.786029][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 42.008218][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.009831][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.011166][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.012579][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.015363][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.016586][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.058676][ T4428] chnl_net:caif_netlink_parms(): no params data found [ 42.074032][ T4428] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.075309][ T4428] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.076830][ T4428] device bridge_slave_0 entered promiscuous mode [ 42.079167][ T4428] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.080273][ T4428] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.081706][ T4428] device bridge_slave_1 entered promiscuous mode [ 42.087907][ T4428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.090358][ T4428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.098073][ T4428] team0: Port device team_slave_0 added [ 42.100569][ T4428] team0: Port device team_slave_1 added [ 42.106303][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.107332][ T4428] 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. [ 42.111377][ T4428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.113847][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.114909][ T4428] 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. [ 42.119333][ T4428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.193944][ T4428] device hsr_slave_0 entered promiscuous mode [ 42.232964][ T4428] device hsr_slave_1 entered promiscuous mode [ 42.272823][ T4428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.274116][ T4428] Cannot create hsr debugfs directory [ 43.884061][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.093071][ T4367] Bluetooth: hci0: command 0x0409 tx timeout [ 46.123903][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.182962][ T4367] Bluetooth: hci0: command 0x041b tx timeout [ 46.204610][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.203774][ T4428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.253917][ T4428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.394541][ T4428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.514544][ T4428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.632684][ T4428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.636700][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.638148][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.640642][ T4428] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.643293][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.644891][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.646388][ T1575] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.647603][ T1575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.649110][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.651542][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.654667][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.656281][ T1575] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.657371][ T1575] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.695422][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.698448][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.700946][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.702525][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.704337][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.706877][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.708573][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.710997][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.712508][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.715957][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.717457][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.719720][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.797788][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.799074][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.801862][ T4428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.807712][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.809378][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.815429][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.816846][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.818405][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.819849][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.821863][ T4428] device veth0_vlan entered promiscuous mode [ 47.825249][ T4428] device veth1_vlan entered promiscuous mode [ 47.831189][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.832648][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.834505][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.836017][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.838969][ T4428] device veth0_macvtap entered promiscuous mode [ 47.841529][ T4428] device veth1_macvtap entered promiscuous mode [ 47.887428][ T4428] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.889035][ T4428] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.890858][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.893824][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.895367][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.896788][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.898149][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.900783][ T4428] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.902292][ T4428] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.904381][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.905668][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.907320][ T1575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.909699][ T4428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.911133][ T4428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.912545][ T4428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.914247][ T4428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.936054][ T211] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.937321][ T211] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.938622][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.939842][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.941071][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.943464][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.252935][ T4367] Bluetooth: hci0: command 0x040f tx timeout [ 48.419829][ T4493] loop0: detected capacity change from 0 to 32768 [ 48.423981][ T4493] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.425317][ T4493] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.429668][ T4493] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 48.431942][ T4390] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.433005][ T4390] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.445287][ T4390] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 48.447168][ T4390] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.448093][ T4493] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.490094][ T4493] gfs2: fsid=syz:syz.0: found 1 quota changes [ 48.502178][ T4428] ------------[ cut here ]------------ [ 48.503146][ T4428] WARNING: CPU: 0 PID: 4428 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 48.504809][ T4428] Modules linked in: [ 48.505479][ T4428] CPU: 0 PID: 4428 Comm: syz-executor Not tainted syzkaller #0 [ 48.506709][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.508340][ T4428] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.509597][ T4428] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 48.510501][ T4428] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 48.511430][ T4428] sp : ffff8000209873c0 [ 48.512159][ T4428] x29: ffff8000209873e0 x28: 1fffff8000686150 x27: dfff800000000000 [ 48.513604][ T4428] x26: 0000000000000000 x25: ffff0000c049be90 x24: 0000000000000001 [ 48.515010][ T4428] x23: 0000000000000000 x22: fffffc0003430a88 x21: 1fffe000180937d2 [ 48.516335][ T4428] x20: ffff0000cae42250 x19: fffffc0003430a80 x18: ffff800011b9bf60 [ 48.517656][ T4428] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 48.519012][ T4428] x14: 0000000000000001 x13: 1fffe000180937d2 x12: 0000000000ff0100 [ 48.520249][ T4428] x11: ff00800008709f98 x10: 0000000000000000 x9 : ffff800008709f98 [ 48.521695][ T4428] x8 : ffff0000cddf3780 x7 : ffff80000870973c x6 : 0000000000000000 [ 48.523079][ T4428] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a58760 [ 48.524559][ T4428] x2 : ffff0000cf12a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.525929][ T4428] Call trace: [ 48.526453][ T4428] __folio_mark_dirty+0x8a0/0xcd8 [ 48.527270][ T4428] mark_buffer_dirty+0x2b8/0x5c0 [ 48.528085][ T4428] gfs2_unpin+0x120/0x8fc [ 48.528797][ T4428] buf_lo_after_commit+0x140/0x188 [ 48.529685][ T4428] gfs2_log_flush+0xc00/0x1b20 [ 48.530522][ T4428] do_sync+0x8cc/0xaec [ 48.531274][ T4428] gfs2_quota_sync+0x2cc/0x500 [ 48.532046][ T4428] gfs2_sync_fs+0x4c/0xc4 [ 48.532714][ T4428] sync_filesystem+0xe8/0x218 [ 48.533484][ T4428] generic_shutdown_super+0x70/0x324 [ 48.534321][ T4428] kill_block_super+0x70/0xdc [ 48.535164][ T4428] gfs2_kill_sb+0xc0/0xd4 [ 48.535882][ T4428] deactivate_locked_super+0xac/0x120 [ 48.536774][ T4428] deactivate_super+0xe4/0x104 [ 48.537559][ T4428] cleanup_mnt+0x390/0x418 [ 48.538277][ T4428] __cleanup_mnt+0x20/0x30 [ 48.539043][ T4428] task_work_run+0x1ec/0x278 [ 48.539829][ T4428] do_notify_resume+0x1fa0/0x2aa4 [ 48.540755][ T4428] el0_svc+0x98/0x128 [ 48.541452][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 48.542302][ T4428] el0t_64_sync+0x18c/0x190 [ 48.543039][ T4428] irq event stamp: 156414 [ 48.543722][ T4428] hardirqs last enabled at (156413): [] folio_memcg_lock+0xe8/0x1f4 [ 48.545271][ T4428] hardirqs last disabled at (156414): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.546992][ T4428] softirqs last enabled at (155592): [] local_bh_enable+0x10/0x34 [ 48.548658][ T4428] softirqs last disabled at (155590): [] local_bh_disable+0x10/0x34 [ 48.550285][ T4428] ---[ end trace 0000000000000000 ]--- [ 48.554275][ T39] ------------[ cut here ]------------ [ 48.555194][ T39] WARNING: CPU: 0 PID: 39 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 48.556951][ T39] Modules linked in: [ 48.557632][ T39] CPU: 0 PID: 39 Comm: kworker/u4:2 Tainted: G W syzkaller #0 [ 48.559039][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.560546][ T39] Workqueue: writeback wb_workfn (flush-7:0) [ 48.561416][ T39] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.562610][ T39] pc : __folio_start_writeback+0x88c/0xa7c [ 48.563596][ T39] lr : __folio_start_writeback+0x88c/0xa7c [ 48.564595][ T39] sp : ffff80001cee6c80 [ 48.565284][ T39] x29: ffff80001cee6d60 x28: dfff800000000000 x27: 0000000000000000 [ 48.566622][ T39] x26: ffff7000039dcd98 x25: 0000000000000000 x24: ffff0000cae42ce0 [ 48.567916][ T39] x23: ffff80001cee6ce0 x22: ffff0000c049bce8 x21: 0000000000000001 [ 48.569181][ T39] x20: fffffc00030b6988 x19: fffffc00030b6980 x18: ffff800011b9bf60 [ 48.570459][ T39] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 48.571777][ T39] x14: 0000000000000001 x13: 1fffff8000616d30 x12: 0000000000ff0100 [ 48.573134][ T39] x11: ff0080000870c4a4 x10: 0000000000000000 x9 : ffff80000870c4a4 [ 48.574564][ T39] x8 : ffff0000c440b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.575996][ T39] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870bf50 [ 48.577369][ T39] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.578723][ T39] Call trace: [ 48.579215][ T39] __folio_start_writeback+0x88c/0xa7c [ 48.580186][ T39] set_page_writeback+0x5c/0x7c [ 48.581098][ T39] gfs2_aspace_writepage+0x514/0x6dc [ 48.582013][ T39] __writepage+0x70/0x184 [ 48.582736][ T39] write_cache_pages+0x74c/0xde8 [ 48.583635][ T39] do_writepages+0x318/0x504 [ 48.584404][ T39] filemap_fdatawrite_wbc+0x124/0x174 [ 48.585376][ T39] filemap_fdatawrite+0xd0/0x12c [ 48.586300][ T39] gfs2_write_inode+0x234/0x34c [ 48.587130][ T39] __writeback_single_inode+0x5e0/0x1554 [ 48.588009][ T39] writeback_sb_inodes+0x858/0x143c [ 48.589015][ T39] wb_writeback+0x414/0xfcc [ 48.589826][ T39] wb_workfn+0x360/0xe18 [ 48.590558][ T39] process_one_work+0x7f8/0x13a4 [ 48.591423][ T39] worker_thread+0x8c4/0xfec [ 48.592225][ T39] kthread+0x250/0x2d8 [ 48.592917][ T39] ret_from_fork+0x10/0x20 [ 48.593704][ T39] irq event stamp: 168196 [ 48.594436][ T39] hardirqs last enabled at (168195): [] folio_memcg_lock+0xe8/0x1f4 [ 48.595975][ T39] hardirqs last disabled at (168196): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.597634][ T39] softirqs last enabled at (168122): [] batadv_nc_purge_paths+0x2f0/0x378 [ 48.599271][ T39] softirqs last disabled at (168120): [] batadv_nc_purge_paths+0xd0/0x378 [ 48.600927][ T39] ---[ end trace 0000000000000000 ]--- [ 48.605587][ C1] ------------[ cut here ]------------ [ 48.606550][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 48.608133][ C1] Modules linked in: [ 48.608722][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 48.610106][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.611652][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.612801][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 48.613658][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 48.614515][ C1] sp : ffff80001ca97970 [ 48.615198][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049bce8 [ 48.616516][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff8000616d30 [ 48.617863][ C1] x23: 0000000000000001 x22: ffff0000cae42ce0 x21: ffff0000cae42ce8 [ 48.619135][ C1] x20: 0000000000000001 x19: fffffc00030b6980 x18: ffff800011b9bf60 [ 48.620373][ C1] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 48.621697][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 48.623036][ C1] x11: ff0080000870ba1c x10: 0000000000000000 x9 : ffff80000870ba1c [ 48.624342][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.625684][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 48.627002][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.628361][ C1] Call trace: [ 48.628877][ C1] __folio_end_writeback+0x7d0/0x9cc [ 48.629739][ C1] folio_end_writeback+0x12c/0x410 [ 48.630553][ C1] end_page_writeback+0x58/0x74 [ 48.631318][ C1] end_buffer_async_write+0x32c/0x4f4 [ 48.632207][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 48.633042][ C1] bio_endio+0x750/0x794 [ 48.633740][ C1] blk_update_request+0x49c/0xbec [ 48.634582][ C1] blk_mq_end_request+0x54/0x88 [ 48.635402][ C1] lo_complete_rq+0x1ec/0x250 [ 48.636172][ C1] blk_done_softirq+0x11c/0x168 [ 48.637009][ C1] handle_softirqs+0x318/0xc60 [ 48.637797][ C1] run_ksoftirqd+0x7c/0x2ac [ 48.638548][ C1] smpboot_thread_fn+0x4b0/0x964 [ 48.639398][ C1] kthread+0x250/0x2d8 [ 48.640086][ C1] ret_from_fork+0x10/0x20 [ 48.640803][ C1] irq event stamp: 458171 [ 48.641527][ C1] hardirqs last enabled at (458170): [] folio_memcg_lock+0xe8/0x1f4 [ 48.643116][ C1] hardirqs last disabled at (458171): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.644765][ C1] softirqs last enabled at (458146): [] handle_softirqs+0xaec/0xc60 [ 48.646325][ C1] softirqs last disabled at (458151): [] run_ksoftirqd+0x7c/0x2ac [ 48.647905][ C1] ---[ end trace 0000000000000000 ]---