Warning: Permanently added '10.128.0.89' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.666230][ T4324] cgroup: Unknown subsys name 'net' [ 34.881107][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.146505][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.090420][ T4366] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.092077][ T4368] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.093446][ T4368] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.094903][ T4368] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.096266][ T4368] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.097475][ T4368] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.477310][ T4381] chnl_net:caif_netlink_parms(): no params data found [ 38.494374][ T4381] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.495691][ T4381] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.497205][ T4381] device bridge_slave_0 entered promiscuous mode [ 38.500133][ T4381] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.501326][ T4381] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.502736][ T4381] device bridge_slave_1 entered promiscuous mode [ 38.509269][ T4381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.512094][ T4381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.527362][ T4381] team0: Port device team_slave_0 added [ 38.529460][ T4381] team0: Port device team_slave_1 added [ 38.535247][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.536398][ T4381] 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. [ 38.540847][ T4381] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.543502][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.544604][ T4381] 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. [ 38.548760][ T4381] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.589685][ T4381] device hsr_slave_0 entered promiscuous mode [ 38.608737][ T4381] device hsr_slave_1 entered promiscuous mode [ 38.683128][ T4381] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.728756][ T4381] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.780287][ T4381] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.828543][ T4381] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.884578][ T4381] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.885970][ T4381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.887424][ T4381] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.888684][ T4381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.906308][ T4381] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.910445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.912928][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.914841][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.916805][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.931646][ T4381] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.934757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.936360][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.937529][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.942089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.943680][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.944874][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.951311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.952981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.955989][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.959452][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.962376][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.964873][ T4381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.032766][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.034155][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.037542][ T4381] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.043578][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.050412][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.052195][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.053410][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.055711][ T4381] device veth0_vlan entered promiscuous mode [ 39.071369][ T4381] device veth1_vlan entered promiscuous mode [ 39.078082][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.080272][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.081880][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.084359][ T4381] device veth0_macvtap entered promiscuous mode [ 39.086725][ T4381] device veth1_macvtap entered promiscuous mode [ 39.092829][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.094086][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.096061][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.099127][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.100796][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.103339][ T4381] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.104833][ T4381] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.106281][ T4381] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.107728][ T4381] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.804972][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.806398][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.808205][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.817560][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.818959][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.820252][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.120569][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.262313][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.264011][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.265447][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.267062][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.268974][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.270192][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.313410][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 40.329489][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.330739][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.332297][ T4421] device bridge_slave_0 entered promiscuous mode [ 40.334333][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.335557][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.337084][ T4421] device bridge_slave_1 entered promiscuous mode [ 40.343954][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.346474][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.352970][ T4421] team0: Port device team_slave_0 added [ 40.355082][ T4421] team0: Port device team_slave_1 added [ 40.361046][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.362189][ T4421] 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. [ 40.366338][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.369221][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.370353][ T4421] 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. [ 40.374331][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.419534][ T4421] device hsr_slave_0 entered promiscuous mode [ 40.459484][ T4421] device hsr_slave_1 entered promiscuous mode [ 40.498398][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.499731][ T4421] Cannot create hsr debugfs directory [ 42.328681][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 42.349299][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.408520][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 44.439851][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.522189][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.501175][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.549557][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.680320][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.770996][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.874170][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.877930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.879485][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.882286][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.884922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.886556][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.888020][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.889232][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.890964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.893553][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.894976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.896378][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.897447][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.943215][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.947078][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.950246][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.952014][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.953600][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.956078][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.957531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.960433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.962010][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.964455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.965991][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.968055][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.044723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.046123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.049528][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.055495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.057136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.064227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.065728][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.067339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.069189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.071936][ T4421] device veth0_vlan entered promiscuous mode [ 46.074998][ T4421] device veth1_vlan entered promiscuous mode [ 46.114249][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.115778][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.117338][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.119213][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.121633][ T4421] device veth0_macvtap entered promiscuous mode [ 46.124573][ T4421] device veth1_macvtap entered promiscuous mode [ 46.128986][ T4421] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.130914][ T4421] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.132856][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.134100][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.136141][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.137606][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.139413][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.141875][ T4421] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.143658][ T4421] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.145766][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.147021][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.149551][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.153968][ T11] device hsr_slave_0 left promiscuous mode [ 46.188838][ T11] device hsr_slave_1 left promiscuous mode [ 46.298565][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.299779][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.302488][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.303658][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.305105][ T11] device bridge_slave_1 left promiscuous mode [ 46.306613][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.349181][ T11] device bridge_slave_0 left promiscuous mode [ 46.350308][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.488374][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 46.528637][ T11] device veth1_macvtap left promiscuous mode [ 46.529716][ T11] device veth0_macvtap left promiscuous mode [ 46.530733][ T11] device veth1_vlan left promiscuous mode [ 46.531713][ T11] device veth0_vlan left promiscuous mode [ 48.568723][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 48.790311][ T11] team0 (unregistering): Port device team_slave_1 removed [ 48.969190][ T11] team0 (unregistering): Port device team_slave_0 removed [ 49.149758][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.359663][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.979286][ T11] bond0 (unregistering): Released all slaves [ 51.281324][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.282900][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.284365][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.285794][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.313379][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.314712][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.316153][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.324971][ T160] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.326306][ T160] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.327612][ T160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.481646][ T4484] loop0: detected capacity change from 0 to 32768 [ 51.489025][ T4484] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.490481][ T4484] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.504074][ T4484] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.506581][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.507774][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.529521][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 21ms [ 51.533387][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.534558][ T4484] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.653686][ T4421] ------------[ cut here ]------------ [ 51.654688][ T4421] WARNING: CPU: 0 PID: 4421 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 51.656377][ T4421] Modules linked in: [ 51.657056][ T4421] CPU: 0 PID: 4421 Comm: syz-executor Not tainted syzkaller #0 [ 51.658268][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.659957][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.661177][ T4421] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 51.662016][ T4421] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 51.662915][ T4421] sp : ffff8000207876e0 [ 51.663593][ T4421] x29: ffff800020787700 x28: 1fffff800061e0f8 x27: dfff800000000000 [ 51.664871][ T4421] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 51.666160][ T4421] x23: 0000000000000000 x22: fffffc00030f07c8 x21: 1fffe00018093932 [ 51.667427][ T4421] x20: ffff0000cd066250 x19: fffffc00030f07c0 x18: ffff800011b9bf60 [ 51.668664][ T4421] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 51.670003][ T4421] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 51.671328][ T4421] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 51.672642][ T4421] x8 : ffff0000d1f8b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.674079][ T4421] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 51.675434][ T4421] x2 : ffff0000cecf6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.676789][ T4421] Call trace: [ 51.677314][ T4421] __folio_mark_dirty+0x8a0/0xcd8 [ 51.678146][ T4421] mark_buffer_dirty+0x2b8/0x5c0 [ 51.678970][ T4421] gfs2_unpin+0x120/0x8fc [ 51.679701][ T4421] buf_lo_after_commit+0x140/0x188 [ 51.680573][ T4421] gfs2_log_flush+0xc00/0x1b20 [ 51.681403][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 51.682230][ T4421] deactivate_locked_super+0xac/0x120 [ 51.683117][ T4421] deactivate_super+0xe4/0x104 [ 51.683920][ T4421] cleanup_mnt+0x390/0x418 [ 51.684674][ T4421] __cleanup_mnt+0x20/0x30 [ 51.685385][ T4421] task_work_run+0x1ec/0x278 [ 51.686177][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 51.687023][ T4421] el0_svc+0x98/0x128 [ 51.687689][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 51.688599][ T4421] el0t_64_sync+0x18c/0x190 [ 51.689385][ T4421] irq event stamp: 153684 [ 51.690123][ T4421] hardirqs last enabled at (153683): [] folio_memcg_lock+0xe8/0x1f4 [ 51.691720][ T4421] hardirqs last disabled at (153684): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.693378][ T4421] softirqs last enabled at (153570): [] local_bh_enable+0x10/0x34 [ 51.694977][ T4421] softirqs last disabled at (153568): [] local_bh_disable+0x10/0x34 [ 51.696509][ T4421] ---[ end trace 0000000000000000 ]--- [ 51.708883][ T4421] ------------[ cut here ]------------ [ 51.709931][ T4421] WARNING: CPU: 1 PID: 4421 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 51.711726][ T4421] Modules linked in: [ 51.712394][ T4421] CPU: 1 PID: 4421 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.713865][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.715538][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.716771][ T4421] pc : __folio_start_writeback+0x88c/0xa7c [ 51.717705][ T4421] lr : __folio_start_writeback+0x88c/0xa7c [ 51.718604][ T4421] sp : ffff800020787180 [ 51.719293][ T4421] x29: ffff800020787260 x28: dfff800000000000 x27: 0000000000000000 [ 51.720543][ T4421] x26: ffff7000040f0e38 x25: 0000000000000000 x24: ffff0000cd066250 [ 51.721800][ T4421] x23: ffff8000207871e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 51.723274][ T4421] x20: fffffc00030f07c8 x19: fffffc00030f07c0 x18: ffff800011b9bf60 [ 51.724626][ T4421] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.725905][ T4421] x14: 0000000000000001 x13: 1fffff800061e0f8 x12: 0000000000ff0100 [ 51.727288][ T4421] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 51.728687][ T4421] x8 : ffff0000d1f8b780 x7 : ffff80000870c070 x6 : 0000000000000000 [ 51.730118][ T4421] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 51.731451][ T4421] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.732753][ T4421] Call trace: [ 51.733306][ T4421] __folio_start_writeback+0x88c/0xa7c [ 51.734253][ T4421] set_page_writeback+0x5c/0x7c [ 51.734988][ T4421] gfs2_aspace_writepage+0x514/0x6dc [ 51.735848][ T4421] __gfs2_writepage+0x70/0x184 [ 51.736611][ T4421] write_cache_pages+0x74c/0xde8 [ 51.737383][ T4421] gfs2_ail1_flush+0x7c4/0xa14 [ 51.738112][ T4421] empty_ail1_list+0x130/0x214 [ 51.738883][ T4421] gfs2_log_flush+0x12b4/0x1b20 [ 51.739680][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 51.740438][ T4421] deactivate_locked_super+0xac/0x120 [ 51.741330][ T4421] deactivate_super+0xe4/0x104 [ 51.742127][ T4421] cleanup_mnt+0x390/0x418 [ 51.742823][ T4421] __cleanup_mnt+0x20/0x30 [ 51.743502][ T4421] task_work_run+0x1ec/0x278 [ 51.744242][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 51.745094][ T4421] el0_svc+0x98/0x128 [ 51.745767][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 51.746625][ T4421] el0t_64_sync+0x18c/0x190 [ 51.747335][ T4421] irq event stamp: 153736 [ 51.748025][ T4421] hardirqs last enabled at (153735): [] folio_memcg_lock+0xe8/0x1f4 [ 51.749647][ T4421] hardirqs last disabled at (153736): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.751341][ T4421] softirqs last enabled at (153712): [] handle_softirqs+0xaec/0xc60 [ 51.752898][ T4421] softirqs last disabled at (153687): [] __do_softirq+0x14/0x20 [ 51.754433][ T4421] ---[ end trace 0000000000000000 ]--- [ 51.759664][ C1] ------------[ cut here ]------------ [ 51.760647][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.762130][ C1] Modules linked in: [ 51.762735][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 51.763982][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.765484][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.766778][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.767672][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.768545][ C1] sp : ffff80001ca97970 [ 51.769221][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 51.770532][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006c1ce0 [ 51.771918][ C1] x23: 0000000000000001 x22: ffff0000cd0642a0 x21: ffff0000cd0642a8 [ 51.773257][ C1] x20: 0000000000000001 x19: fffffc000360e700 x18: ffff800011b9bf60 [ 51.774706][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.776015][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 51.777441][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 51.778824][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.780182][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.781558][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.782899][ C1] Call trace: [ 51.783431][ C1] __folio_end_writeback+0x7d0/0x9cc [ 51.784307][ C1] folio_end_writeback+0x12c/0x410 [ 51.785132][ C1] end_page_writeback+0x58/0x74 [ 51.785880][ C1] end_buffer_async_write+0x32c/0x4f4 [ 51.786747][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 51.787587][ C1] bio_endio+0x750/0x794 [ 51.788232][ C1] blk_update_request+0x49c/0xbec [ 51.789034][ C1] blk_mq_end_request+0x54/0x88 [ 51.789817][ C1] lo_complete_rq+0x1ec/0x250 [ 51.790551][ C1] blk_done_softirq+0x11c/0x168 [ 51.791270][ C1] handle_softirqs+0x318/0xc60 [ 51.792099][ C1] run_ksoftirqd+0x7c/0x2ac [ 51.792853][ C1] smpboot_thread_fn+0x4b0/0x964 [ 51.793717][ C1] kthread+0x250/0x2d8 [ 51.794362][ C1] ret_from_fork+0x10/0x20 [ 51.795073][ C1] irq event stamp: 422357 [ 51.795704][ C1] hardirqs last enabled at (422356): [] folio_memcg_lock+0xe8/0x1f4 [ 51.797343][ C1] hardirqs last disabled at (422357): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.799014][ C1] softirqs last enabled at (422344): [] handle_softirqs+0xaec/0xc60 [ 51.800520][ C1] softirqs last disabled at (422351): [] run_ksoftirqd+0x7c/0x2ac [ 51.802052][ C1] ---[ end trace 0000000000000000 ]---