Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.952070][ T4339] cgroup: Unknown subsys name 'net' [ 33.198721][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.470593][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.339912][ T242] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.341323][ T242] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.343164][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.353394][ T242] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.354776][ T242] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.356670][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.722370][ T4381] chnl_net:caif_netlink_parms(): no params data found [ 39.739135][ T4381] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.740472][ T4381] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.742174][ T4381] device bridge_slave_0 entered promiscuous mode [ 39.744615][ T4381] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.746249][ T4381] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.747949][ T4381] device bridge_slave_1 entered promiscuous mode [ 39.754390][ T4381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.758471][ T4381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.765566][ T4381] team0: Port device team_slave_0 added [ 39.767626][ T4381] team0: Port device team_slave_1 added [ 39.772847][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.774057][ 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. [ 39.779271][ T4381] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.782222][ T4381] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.783453][ 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. [ 39.788845][ T4381] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.847269][ T4381] device hsr_slave_0 entered promiscuous mode [ 39.896054][ T4381] device hsr_slave_1 entered promiscuous mode [ 40.006257][ T4381] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.047204][ T4381] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.087393][ T4381] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.118154][ T4381] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.163325][ T4381] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.164771][ T4381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.166468][ T4381] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.167708][ T4381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.185083][ T4381] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.189574][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.191972][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.194178][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.200328][ T4381] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.208040][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.209784][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.211066][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.212549][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.214113][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.215325][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.221515][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.223307][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.227990][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.230396][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.233133][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.235650][ T4381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.296717][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.298135][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.301758][ T4381] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.309055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.314655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.316593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.318094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.320888][ T4381] device veth0_vlan entered promiscuous mode [ 40.324087][ T4381] device veth1_vlan entered promiscuous mode [ 40.331873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.333468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.335231][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.338283][ T4381] device veth0_macvtap entered promiscuous mode [ 40.340782][ T4381] device veth1_macvtap entered promiscuous mode [ 40.345370][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.347639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.349495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.352475][ T4381] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.353841][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.355538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.359884][ T4381] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.361327][ T4381] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.362957][ T4381] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.364510][ T4381] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.964604][ T4426] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.969185][ T4426] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.970757][ T4426] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.972293][ T4426] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.973639][ T4426] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.975035][ T4426] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:41 executed programs: 0 [ 41.188357][ T47] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 41.190038][ T47] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 41.192313][ T47] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 41.194100][ T47] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 41.195722][ T47] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 41.197464][ T47] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 41.426128][ T4435] chnl_net:caif_netlink_parms(): no params data found [ 41.484739][ T4435] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.486256][ T4435] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.487944][ T4435] device bridge_slave_0 entered promiscuous mode [ 41.490012][ T4435] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.491270][ T4435] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.492908][ T4435] device bridge_slave_1 entered promiscuous mode [ 41.499068][ T4435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.501699][ T4435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.789043][ T4435] team0: Port device team_slave_0 added [ 41.795102][ T4435] team0: Port device team_slave_1 added [ 41.801776][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.803020][ 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. [ 41.807132][ T4435] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.809658][ T4435] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.810855][ 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. [ 41.815361][ T4435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.916969][ T4435] device hsr_slave_0 entered promiscuous mode [ 41.956209][ T4435] device hsr_slave_1 entered promiscuous mode [ 41.995971][ T4435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.997453][ T4435] Cannot create hsr debugfs directory [ 42.317509][ T4435] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.206366][ T4426] Bluetooth: hci1: command 0x0409 tx timeout [ 45.285858][ T4426] Bluetooth: hci1: command 0x041b tx timeout [ 45.367370][ T4435] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.876960][ T4435] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.967759][ T4435] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.178615][ T4435] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.216944][ T4435] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.318075][ T4435] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.376903][ T4435] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.545960][ T4435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.549399][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.551122][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.553635][ T4435] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.557237][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.559002][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.560618][ T1804] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.561884][ T1804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.563454][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.608268][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.610084][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.611741][ T1804] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.612981][ T1804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.615463][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.619707][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.622689][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.624518][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.626486][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.629540][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.631299][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.634009][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.635725][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.639554][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.641414][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.643781][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.802413][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.803920][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.807879][ T4435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.813572][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.815358][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.821060][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.822691][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.824447][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.826740][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.829008][ T4435] device veth0_vlan entered promiscuous mode [ 46.832147][ T4435] device veth1_vlan entered promiscuous mode [ 46.870191][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.871951][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.873600][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.875335][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.878107][ T4435] device veth0_macvtap entered promiscuous mode [ 46.880510][ T4435] device veth1_macvtap entered promiscuous mode [ 46.884788][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.886909][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.889082][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.890782][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.892451][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.894038][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.895720][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.938689][ T4435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.940561][ T4435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.942989][ T4435] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.945186][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.947224][ T1804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.949313][ T4435] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.950806][ T4435] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.952292][ T4435] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.953839][ T4435] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.974173][ T1804] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.978086][ T1804] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.979915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.987462][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.988950][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.992274][ T55] device hsr_slave_0 left promiscuous mode [ 47.026047][ T55] device hsr_slave_1 left promiscuous mode [ 47.106162][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.107477][ T55] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.109374][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.110739][ T55] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.112226][ T55] device bridge_slave_1 left promiscuous mode [ 47.113769][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.156499][ T55] device bridge_slave_0 left promiscuous mode [ 47.157739][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.286105][ T55] device veth1_macvtap left promiscuous mode [ 47.287352][ T55] device veth0_macvtap left promiscuous mode [ 47.288502][ T55] device veth1_vlan left promiscuous mode [ 47.289621][ T55] device veth0_vlan left promiscuous mode [ 47.365891][ T4426] Bluetooth: hci1: command 0x040f tx timeout [ 49.445876][ T4426] Bluetooth: hci1: command 0x0419 tx timeout [ 49.476995][ T55] team0 (unregistering): Port device team_slave_1 removed [ 49.656823][ T55] team0 (unregistering): Port device team_slave_0 removed [ 49.816259][ T55] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.026258][ T55] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.606729][ T55] bond0 (unregistering): Released all slaves [ 51.908378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.072740][ T4460] loop0: detected capacity change from 0 to 32768 [ 52.076939][ T4460] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.078461][ T4460] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.093421][ T4460] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.095992][ T4451] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.097178][ T4451] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.111051][ T4451] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 52.112786][ T4451] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.113834][ T4460] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.227093][ T4435] ------------[ cut here ]------------ [ 52.228232][ T4435] WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 52.230223][ T4435] Modules linked in: [ 52.230942][ T4435] CPU: 0 PID: 4435 Comm: syz-executor Not tainted syzkaller #0 [ 52.232425][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.234548][ T4435] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.236102][ T4435] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 52.237171][ T4435] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 52.238282][ T4435] sp : ffff8000213176a0 [ 52.239120][ T4435] x29: ffff8000213176c0 x28: 1fffff800061e6c0 x27: dfff800000000000 [ 52.240701][ T4435] x26: 0000000000000000 x25: ffff0000c049c998 x24: 0000000000000001 [ 52.242358][ T4435] x23: 0000000000000000 x22: fffffc00030f3608 x21: 1fffe00018093933 [ 52.244016][ T4435] x20: ffff0000d799e250 x19: fffffc00030f3600 x18: ffff800011babf60 [ 52.245644][ T4435] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 52.247261][ T4435] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000ff0100 [ 52.248814][ T4435] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 52.250399][ T4435] x8 : ffff0000ce500000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.252013][ T4435] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a595a0 [ 52.253671][ T4435] x2 : ffff0000cf3da060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.255308][ T4435] Call trace: [ 52.255963][ T4435] __folio_mark_dirty+0x8a0/0xcd8 [ 52.256992][ T4435] mark_buffer_dirty+0x2b8/0x5c0 [ 52.257992][ T4435] gfs2_unpin+0x120/0x8fc [ 52.258849][ T4435] buf_lo_after_commit+0x140/0x188 [ 52.259858][ T4435] __gfs2_log_flush+0x1290/0x1b38 [ 52.260876][ T4435] gfs2_log_flush+0x3c/0x58 [ 52.261781][ T4435] gfs2_kill_sb+0x5c/0xd4 [ 52.262641][ T4435] deactivate_locked_super+0xac/0x120 [ 52.263718][ T4435] deactivate_super+0xe4/0x104 [ 52.264660][ T4435] cleanup_mnt+0x390/0x418 [ 52.265551][ T4435] __cleanup_mnt+0x20/0x30 [ 52.266423][ T4435] task_work_run+0x1ec/0x278 [ 52.267301][ T4435] do_notify_resume+0x1fa0/0x2aa4 [ 52.268258][ T4435] el0_svc+0x98/0x128 [ 52.269072][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 52.270030][ T4435] el0t_64_sync+0x18c/0x190 [ 52.270925][ T4435] irq event stamp: 159550 [ 52.271744][ T4435] hardirqs last enabled at (159549): [] folio_memcg_lock+0xe8/0x1f4 [ 52.273594][ T4435] hardirqs last disabled at (159550): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.275467][ T4435] softirqs last enabled at (159434): [] local_bh_enable+0x10/0x34 [ 52.277327][ T4435] softirqs last disabled at (159432): [] local_bh_disable+0x10/0x34 [ 52.279155][ T4435] ---[ end trace 0000000000000000 ]--- [ 52.285227][ T4435] ------------[ cut here ]------------ [ 52.286114][ T4435] WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 52.288013][ T4435] Modules linked in: [ 52.288729][ T4435] CPU: 0 PID: 4435 Comm: syz-executor Tainted: G W syzkaller #0 [ 52.290360][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.292234][ T4435] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.293708][ T4435] pc : __folio_start_writeback+0x88c/0xa7c [ 52.294769][ T4435] lr : __folio_start_writeback+0x88c/0xa7c [ 52.295840][ T4435] sp : ffff800021317140 [ 52.296624][ T4435] x29: ffff800021317220 x28: dfff800000000000 x27: 0000000000000000 [ 52.298136][ T4435] x26: ffff700004262e30 x25: 0000000000000000 x24: ffff0000d799e250 [ 52.299658][ T4435] x23: ffff8000213171a0 x22: ffff0000c049c7f0 x21: 0000000000000001 [ 52.301136][ T4435] x20: fffffc00030f3608 x19: fffffc00030f3600 x18: ffff800011babf60 [ 52.302610][ T4435] x17: ffff800018381000 x16: ffff8000082d8944 x15: 0000000000000000 [ 52.304077][ T4435] x14: 0000000000000001 x13: 1fffff800061e6c0 x12: 0000000000ff0100 [ 52.305555][ T4435] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 52.307016][ T4435] x8 : ffff0000ce500000 x7 : ffff80000870cbb0 x6 : 0000000000000000 [ 52.308430][ T4435] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870cbf0 [ 52.309934][ T4435] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.311500][ T4435] Call trace: [ 52.312124][ T4435] __folio_start_writeback+0x88c/0xa7c [ 52.313148][ T4435] set_page_writeback+0x5c/0x7c [ 52.314075][ T4435] gfs2_aspace_writepage+0x514/0x6dc [ 52.315091][ T4435] __gfs2_writepage+0x70/0x184 [ 52.315996][ T4435] write_cache_pages+0x74c/0xde8 [ 52.316925][ T4435] gfs2_ail1_flush+0x7c4/0xa14 [ 52.317900][ T4435] empty_ail1_list+0x130/0x214 [ 52.318857][ T4435] __gfs2_log_flush+0x1568/0x1b38 [ 52.319861][ T4435] gfs2_log_flush+0x3c/0x58 [ 52.320779][ T4435] gfs2_kill_sb+0x5c/0xd4 [ 52.321604][ T4435] deactivate_locked_super+0xac/0x120 [ 52.322687][ T4435] deactivate_super+0xe4/0x104 [ 52.323621][ T4435] cleanup_mnt+0x390/0x418 [ 52.324494][ T4435] __cleanup_mnt+0x20/0x30 [ 52.325339][ T4435] task_work_run+0x1ec/0x278 [ 52.326215][ T4435] do_notify_resume+0x1fa0/0x2aa4 [ 52.327152][ T4435] el0_svc+0x98/0x128 [ 52.327885][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 52.328832][ T4435] el0t_64_sync+0x18c/0x190 [ 52.329703][ T4435] irq event stamp: 159666 [ 52.330573][ T4435] hardirqs last enabled at (159665): [] folio_memcg_lock+0xe8/0x1f4 [ 52.332450][ T4435] hardirqs last disabled at (159666): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.334396][ T4435] softirqs last enabled at (159644): [] handle_softirqs+0xaec/0xc60 [ 52.336214][ T4435] softirqs last disabled at (159553): [] __do_softirq+0x14/0x20 [ 52.337941][ T4435] ---[ end trace 0000000000000000 ]--- [ 52.342545][ C1] ------------[ cut here ]------------ [ 52.343659][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.345528][ C1] Modules linked in: [ 52.346232][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 52.347804][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.349802][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.351359][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.352502][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.353655][ C1] sp : ffff80001cac7970 [ 52.354461][ C1] x29: ffff80001cac7990 x28: dfff800000000000 x27: ffff0000c049c7f0 [ 52.356106][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000680fc0 [ 52.357745][ C1] x23: 0000000000000001 x22: ffff0000d799c2a0 x21: ffff0000d799c2a8 [ 52.359355][ C1] x20: 0000000000000001 x19: fffffc0003407e00 x18: ffff800011babf60 [ 52.360938][ C1] x17: 1fffe00033ea397e x16: ffff8000082d8944 x15: 0000000000000000 [ 52.362523][ C1] x14: 0000000000000003 x13: 1ffff00003958f20 x12: 0000000000ff0100 [ 52.364112][ C1] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 52.365688][ C1] x8 : ffff0000c0a51c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.367282][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.368831][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.370458][ C1] Call trace: [ 52.371087][ C1] __folio_end_writeback+0x7d0/0x9cc [ 52.372106][ C1] folio_end_writeback+0x12c/0x410 [ 52.373090][ C1] end_page_writeback+0x58/0x74 [ 52.374076][ C1] end_buffer_async_write+0x32c/0x4f4 [ 52.375139][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 52.376097][ C1] bio_endio+0x750/0x794 [ 52.376930][ C1] blk_update_request+0x49c/0xbec [ 52.377800][ C1] blk_mq_end_request+0x54/0x88 [ 52.378726][ C1] lo_complete_rq+0x1ec/0x250 [ 52.379619][ C1] blk_done_softirq+0x11c/0x168 [ 52.380544][ C1] handle_softirqs+0x318/0xc60 [ 52.381483][ C1] run_ksoftirqd+0x7c/0x2ac [ 52.382375][ C1] smpboot_thread_fn+0x4b0/0x964 [ 52.383351][ C1] kthread+0x250/0x2d8 [ 52.384087][ C1] ret_from_fork+0x10/0x20 [ 52.384937][ C1] irq event stamp: 414735 [ 52.385775][ C1] hardirqs last enabled at (414734): [] folio_memcg_lock+0xe8/0x1f4 [ 52.387636][ C1] hardirqs last disabled at (414735): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.389550][ C1] softirqs last enabled at (414724): [] handle_softirqs+0xaec/0xc60 [ 52.391335][ C1] softirqs last disabled at (414729): [] run_ksoftirqd+0x7c/0x2ac [ 52.393155][ C1] ---[ end trace 0000000000000000 ]---