Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 parsed 1 programs [ 45.953981][ T4332] cgroup: Unknown subsys name 'net' [ 46.140986][ T4332] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 46.414265][ T4332] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.213905][ T4342] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.215470][ T4342] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.216804][ T4342] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.218261][ T4342] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.219992][ T4342] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.221163][ T4342] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.376975][ T4349] chnl_net:caif_netlink_parms(): no params data found [ 50.395150][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.396426][ T4349] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.398113][ T4349] device bridge_slave_0 entered promiscuous mode [ 50.401134][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.402288][ T4349] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.403832][ T4349] device bridge_slave_1 entered promiscuous mode [ 50.411146][ T4349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.413500][ T4349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.420916][ T4349] team0: Port device team_slave_0 added [ 50.423006][ T4349] team0: Port device team_slave_1 added [ 50.428269][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.429574][ T4349] 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. [ 50.433538][ T4349] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.436267][ T4349] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.437376][ T4349] 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. [ 50.441593][ T4349] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.499581][ T4349] device hsr_slave_0 entered promiscuous mode [ 50.538574][ T4349] device hsr_slave_1 entered promiscuous mode [ 50.635272][ T4349] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.661653][ T4349] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.700862][ T4349] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.750763][ T4349] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.828138][ T4349] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.829443][ T4349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.830817][ T4349] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.831896][ T4349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.849916][ T4349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.853799][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.856254][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.857904][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.860071][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.864108][ T4349] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.867147][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.869428][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.870567][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.875584][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.877285][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.878503][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.884069][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.885688][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.889596][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.892642][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.895247][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.897708][ T4349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.953963][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.955311][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.958936][ T4349] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.964981][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.971753][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.973482][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.974879][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.977218][ T4349] device veth0_vlan entered promiscuous mode [ 50.982860][ T4349] device veth1_vlan entered promiscuous mode [ 50.990107][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.991789][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.993356][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.995697][ T4349] device veth0_macvtap entered promiscuous mode [ 50.998130][ T4349] device veth1_macvtap entered promiscuous mode [ 51.003826][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.005133][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.007085][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.011193][ T4349] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.012578][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.015130][ T4349] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.016677][ T4349] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.018085][ T4349] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.020257][ T4349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.529579][ T1598] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.190098][ T1702] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.191334][ T1702] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.192953][ T1702] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.202480][ T1702] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.203838][ T1702] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.205602][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:52 executed programs: 0 [ 52.697957][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.700815][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.702294][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.703852][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.705351][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.706600][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.750605][ T4415] chnl_net:caif_netlink_parms(): no params data found [ 52.768010][ T4415] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.769747][ T4415] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.771656][ T4415] device bridge_slave_0 entered promiscuous mode [ 52.773645][ T4415] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.774840][ T4415] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.776459][ T4415] device bridge_slave_1 entered promiscuous mode [ 52.784088][ T4415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.786564][ T4415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.793554][ T4415] team0: Port device team_slave_0 added [ 52.795592][ T4415] team0: Port device team_slave_1 added [ 52.802122][ T4415] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.803299][ T4415] 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. [ 52.807367][ T4415] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.810526][ T4415] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.811596][ T4415] 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. [ 52.815822][ T4415] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.869539][ T4415] device hsr_slave_0 entered promiscuous mode [ 52.909499][ T4415] device hsr_slave_1 entered promiscuous mode [ 52.948431][ T4415] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.949802][ T4415] Cannot create hsr debugfs directory [ 54.229180][ T1598] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.738813][ T4342] Bluetooth: hci0: command 0x0409 tx timeout [ 56.309495][ T1598] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.390230][ T1598] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.808743][ T4342] Bluetooth: hci0: command 0x041b tx timeout [ 57.515332][ T4415] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.570297][ T4415] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.670226][ T4415] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.709488][ T4415] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.752405][ T1598] device hsr_slave_0 left promiscuous mode [ 57.798474][ T1598] device hsr_slave_1 left promiscuous mode [ 57.878478][ T1598] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.879888][ T1598] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 57.881588][ T1598] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 57.882777][ T1598] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.884511][ T1598] device bridge_slave_1 left promiscuous mode [ 57.885795][ T1598] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.919233][ T1598] device bridge_slave_0 left promiscuous mode [ 57.920397][ T1598] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.078586][ T1598] device veth1_macvtap left promiscuous mode [ 58.079716][ T1598] device veth0_macvtap left promiscuous mode [ 58.080711][ T1598] device veth1_vlan left promiscuous mode [ 58.081734][ T1598] device veth0_vlan left promiscuous mode [ 58.888384][ T4342] Bluetooth: hci0: command 0x040f tx timeout [ 60.279703][ T1598] team0 (unregistering): Port device team_slave_1 removed [ 60.459000][ T1598] team0 (unregistering): Port device team_slave_0 removed [ 60.678865][ T1598] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 60.878842][ T1598] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 60.968436][ T4342] Bluetooth: hci0: command 0x0419 tx timeout [ 62.389235][ T1598] bond0 (unregistering): Released all slaves [ 62.761243][ T4415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.765274][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.766768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.769563][ T4415] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.772309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.773924][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.775586][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.776679][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.778261][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.781681][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.783215][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.784581][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.785737][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.788160][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.794283][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.796992][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.799525][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.801531][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.805211][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.806824][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.811465][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.813050][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.816014][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.817643][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.821521][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.871957][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.873308][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.876276][ T4415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.884246][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.885993][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.893443][ T1702] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.895056][ T1702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.896621][ T1702] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.898064][ T1702] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.900503][ T4415] device veth0_vlan entered promiscuous mode [ 62.903569][ T4415] device veth1_vlan entered promiscuous mode [ 62.911683][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.913270][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.914811][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.916431][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.918846][ T4415] device veth0_macvtap entered promiscuous mode [ 62.921174][ T4415] device veth1_macvtap entered promiscuous mode [ 62.926453][ T4415] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.927604][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.930478][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.931889][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.933416][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.936226][ T4415] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.937488][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.943594][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.946453][ T4415] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.947880][ T4415] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.949818][ T4415] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.951254][ T4415] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.970319][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.971626][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.973135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.982951][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.984251][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.985644][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.141340][ T4501] loop0: detected capacity change from 0 to 32768 [ 63.148053][ T4501] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 63.149895][ T4501] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 63.164285][ T4501] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 63.166967][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 63.168176][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 63.180140][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 63.182935][ T24] gfs2: fsid=syz:syz.0: jid=0: Done [ 63.184036][ T4501] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 63.300540][ T4415] ------------[ cut here ]------------ [ 63.301617][ T4415] WARNING: CPU: 1 PID: 4415 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 63.303219][ T4415] Modules linked in: [ 63.303807][ T4415] CPU: 1 PID: 4415 Comm: syz-executor Not tainted syzkaller #0 [ 63.305053][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 63.306647][ T4415] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.307924][ T4415] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 63.308830][ T4415] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 63.309765][ T4415] sp : ffff800020a375e0 [ 63.310504][ T4415] x29: ffff800020a37600 x28: 1fffff8000657440 x27: dfff800000000000 [ 63.311862][ T4415] x26: 0000000000000000 x25: ffff0000c58cbe90 x24: 0000000000000001 [ 63.313208][ T4415] x23: 0000000000000000 x22: fffffc00032ba208 x21: 1fffe00018b197d2 [ 63.314468][ T4415] x20: ffff0000db09e250 x19: fffffc00032ba200 x18: ffff800011b8bf60 [ 63.315860][ T4415] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 63.317171][ T4415] x14: 0000000000000001 x13: 1fffe00018b197d2 x12: 0000000000ff0100 [ 63.318501][ T4415] x11: ff00800008708b70 x10: 0000000000000000 x9 : ffff800008708b70 [ 63.319782][ T4415] x8 : ffff0000cf860000 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.321137][ T4415] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56aa8 [ 63.322469][ T4415] x2 : ffff0000cece0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 63.323798][ T4415] Call trace: [ 63.324333][ T4415] __folio_mark_dirty+0x8a0/0xcd8 [ 63.325222][ T4415] mark_buffer_dirty+0x2b8/0x5c0 [ 63.326027][ T4415] gfs2_unpin+0x120/0x8fc [ 63.326714][ T4415] buf_lo_after_commit+0x140/0x188 [ 63.327502][ T4415] gfs2_log_flush+0xc00/0x1b20 [ 63.328275][ T4415] gfs2_kill_sb+0x5c/0xd4 [ 63.328972][ T4415] deactivate_locked_super+0xac/0x120 [ 63.329816][ T4415] deactivate_super+0xe4/0x104 [ 63.330592][ T4415] cleanup_mnt+0x390/0x418 [ 63.331308][ T4415] __cleanup_mnt+0x20/0x30 [ 63.331985][ T4415] task_work_run+0x1ec/0x278 [ 63.332697][ T4415] get_signal+0x111c/0x1304 [ 63.333386][ T4415] do_notify_resume+0x33c/0x2aa4 [ 63.334162][ T4415] el0_svc+0x98/0x128 [ 63.334836][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 63.335666][ T4415] el0t_64_sync+0x18c/0x190 [ 63.336437][ T4415] irq event stamp: 171412 [ 63.337166][ T4415] hardirqs last enabled at (171411): [] folio_memcg_lock+0xe8/0x1f4 [ 63.338740][ T4415] hardirqs last disabled at (171412): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 63.340336][ T4415] softirqs last enabled at (171356): [] handle_softirqs+0xaec/0xc60 [ 63.341975][ T4415] softirqs last disabled at (171121): [] __do_softirq+0x14/0x20 [ 63.343521][ T4415] ---[ end trace 0000000000000000 ]--- [ 63.348715][ T4415] ------------[ cut here ]------------ [ 63.349633][ T4415] WARNING: CPU: 0 PID: 4415 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 63.351422][ T4415] Modules linked in: [ 63.352051][ T4415] CPU: 0 PID: 4415 Comm: syz-executor Tainted: G W syzkaller #0 [ 63.353428][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 63.354907][ T4415] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.356096][ T4415] pc : __folio_start_writeback+0x88c/0xa7c [ 63.356989][ T4415] lr : __folio_start_writeback+0x88c/0xa7c [ 63.357887][ T4415] sp : ffff800020a37080 [ 63.358525][ T4415] x29: ffff800020a37160 x28: dfff800000000000 x27: 0000000000000000 [ 63.359893][ T4415] x26: ffff700004146e18 x25: 0000000000000000 x24: ffff0000db09e250 [ 63.361243][ T4415] x23: ffff800020a370e0 x22: ffff0000c58cbce8 x21: 0000000000000001 [ 63.362524][ T4415] x20: fffffc00032ba208 x19: fffffc00032ba200 x18: ffff800011b8bf60 [ 63.363777][ T4415] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: 0000000000000000 [ 63.365052][ T4415] x14: 0000000000000001 x13: 1fffff8000657440 x12: 0000000000ff0100 [ 63.366385][ T4415] x11: ff0080000870b07c x10: 0000000000000000 x9 : ffff80000870b07c [ 63.367696][ T4415] x8 : ffff0000cf860000 x7 : ffff80000870aae8 x6 : 0000000000000000 [ 63.369147][ T4415] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ab28 [ 63.370428][ T4415] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 63.371788][ T4415] Call trace: [ 63.372306][ T4415] __folio_start_writeback+0x88c/0xa7c [ 63.373199][ T4415] set_page_writeback+0x5c/0x7c [ 63.373968][ T4415] gfs2_aspace_writepage+0x514/0x6dc [ 63.374828][ T4415] __gfs2_writepage+0x70/0x184 [ 63.375619][ T4415] write_cache_pages+0x74c/0xde8 [ 63.376428][ T4415] gfs2_ail1_flush+0x7c4/0xa14 [ 63.377246][ T4415] empty_ail1_list+0x130/0x214 [ 63.378039][ T4415] gfs2_log_flush+0x12b4/0x1b20 [ 63.378840][ T4415] gfs2_kill_sb+0x5c/0xd4 [ 63.379592][ T4415] deactivate_locked_super+0xac/0x120 [ 63.380471][ T4415] deactivate_super+0xe4/0x104 [ 63.381241][ T4415] cleanup_mnt+0x390/0x418 [ 63.381968][ T4415] __cleanup_mnt+0x20/0x30 [ 63.382793][ T4415] task_work_run+0x1ec/0x278 [ 63.383580][ T4415] get_signal+0x111c/0x1304 [ 63.384344][ T4415] do_notify_resume+0x33c/0x2aa4 [ 63.385208][ T4415] el0_svc+0x98/0x128 [ 63.385854][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 63.386724][ T4415] el0t_64_sync+0x18c/0x190 [ 63.387515][ T4415] irq event stamp: 171454 [ 63.388257][ T4415] hardirqs last enabled at (171453): [] folio_memcg_lock+0xe8/0x1f4 [ 63.389814][ T4415] hardirqs last disabled at (171454): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 63.391486][ T4415] softirqs last enabled at (171432): [] handle_softirqs+0xaec/0xc60 [ 63.393057][ T4415] softirqs last disabled at (171415): [] __do_softirq+0x14/0x20 [ 63.394514][ T4415] ---[ end trace 0000000000000000 ]--- [ 63.399248][ C1] ------------[ cut here ]------------ [ 63.400319][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 63.401908][ C1] Modules linked in: [ 63.402561][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 63.403895][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 63.405510][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.406781][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 63.407746][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 63.408660][ C1] sp : ffff80001ca87970 [ 63.409341][ C1] x29: ffff80001ca87990 x28: dfff800000000000 x27: ffff0000c58cbce8 [ 63.410668][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000703ea0 [ 63.411995][ C1] x23: 0000000000000001 x22: ffff0000db09c2a0 x21: ffff0000db09c2a8 [ 63.413286][ C1] x20: 0000000000000001 x19: fffffc000381f500 x18: ffff800011b8bf60 [ 63.414593][ C1] x17: 1fffe00033eac97e x16: ffff8000082d7ca0 x15: 0000000000000000 [ 63.415856][ C1] x14: 0000000000000003 x13: 1ffff00003950f20 x12: 0000000000ff0100 [ 63.417119][ C1] x11: ff0080000870a5f4 x10: 0000000000000000 x9 : ffff80000870a5f4 [ 63.418516][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.419859][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 63.421223][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 63.422540][ C1] Call trace: [ 63.423102][ C1] __folio_end_writeback+0x7d0/0x9cc [ 63.424014][ C1] folio_end_writeback+0x12c/0x410 [ 63.424847][ C1] end_page_writeback+0x58/0x74 [ 63.425659][ C1] end_buffer_async_write+0x32c/0x4f4 [ 63.426559][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 63.427413][ C1] bio_endio+0x750/0x794 [ 63.428155][ C1] blk_update_request+0x49c/0xbec [ 63.428980][ C1] blk_mq_end_request+0x54/0x88 [ 63.429780][ C1] lo_complete_rq+0x1ec/0x250 [ 63.430665][ C1] blk_done_softirq+0x11c/0x168 [ 63.431492][ C1] handle_softirqs+0x318/0xc60 [ 63.432275][ C1] run_ksoftirqd+0x7c/0x2ac [ 63.433003][ C1] smpboot_thread_fn+0x4b0/0x964 [ 63.433878][ C1] kthread+0x250/0x2d8 [ 63.434521][ C1] ret_from_fork+0x10/0x20 [ 63.435269][ C1] irq event stamp: 414227 [ 63.435951][ C1] hardirqs last enabled at (414226): [] folio_memcg_lock+0xe8/0x1f4 [ 63.437487][ C1] hardirqs last disabled at (414227): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 63.439120][ C1] softirqs last enabled at (414216): [] handle_softirqs+0xaec/0xc60 [ 63.440670][ C1] softirqs last disabled at (414221): [] run_ksoftirqd+0x7c/0x2ac [ 63.442351][ C1] ---[ end trace 0000000000000000 ]---