Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 35.010936][ T4326] cgroup: Unknown subsys name 'net' [ 35.251493][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.508833][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.160292][ T4351] chnl_net:caif_netlink_parms(): no params data found [ 40.178210][ T4351] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.180311][ T4351] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.181905][ T4351] device bridge_slave_0 entered promiscuous mode [ 40.184405][ T4351] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.185607][ T4351] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.187241][ T4351] device bridge_slave_1 entered promiscuous mode [ 40.194822][ T4351] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.196887][ T4351] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.205665][ T4351] team0: Port device team_slave_0 added [ 40.207507][ T4351] team0: Port device team_slave_1 added [ 40.213170][ T4351] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.214316][ T4351] 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. [ 40.218395][ T4351] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.221265][ T4351] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.222392][ T4351] 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. [ 40.226277][ T4351] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.269712][ T4351] device hsr_slave_0 entered promiscuous mode [ 40.298717][ T4351] device hsr_slave_1 entered promiscuous mode [ 40.377018][ T4351] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.410888][ T4351] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.450808][ T4351] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.500844][ T4351] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.558237][ T4351] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.559597][ T4351] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.560885][ T4351] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.562138][ T4351] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.580709][ T4351] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.585124][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.587780][ T224] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.590754][ T224] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.592639][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.619443][ T4351] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.622957][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.624485][ T224] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.625731][ T224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.629327][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.630912][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.632065][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.638998][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.640757][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.645630][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.650277][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.653252][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.655996][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.717444][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.719308][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.723782][ T4351] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.729963][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.736131][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.738010][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.740873][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.745993][ T4351] device veth0_vlan entered promiscuous mode [ 40.752764][ T4351] device veth1_vlan entered promiscuous mode [ 40.759718][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.761279][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.762901][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.765332][ T4351] device veth0_macvtap entered promiscuous mode [ 40.767728][ T4351] device veth1_macvtap entered promiscuous mode [ 40.774734][ T4351] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.776045][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.777913][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.781324][ T4351] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.782641][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.785156][ T4351] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.786622][ T4351] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.788071][ T4351] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.790097][ T4351] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.730848][ T521] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.955195][ T4408] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.956940][ T4408] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.958394][ T4408] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.960718][ T4408] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.962121][ T4408] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.963263][ T4408] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.060409][ T224] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.061773][ T224] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.063914][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.075307][ T224] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.076594][ T224] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.078248][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:42 executed programs: 0 [ 42.278943][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.280850][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.283015][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.284548][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.285891][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.287212][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.329637][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 42.345368][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.346666][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.348272][ T4421] device bridge_slave_0 entered promiscuous mode [ 42.351367][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.352605][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.354687][ T4421] device bridge_slave_1 entered promiscuous mode [ 42.361273][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.363841][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.370512][ T4421] team0: Port device team_slave_0 added [ 42.372574][ T4421] team0: Port device team_slave_1 added [ 42.379365][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.380623][ 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. [ 42.384779][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.386951][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.388048][ 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. [ 42.392129][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.460502][ T4421] device hsr_slave_0 entered promiscuous mode [ 42.498664][ T4421] device hsr_slave_1 entered promiscuous mode [ 42.538531][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.539901][ T4421] Cannot create hsr debugfs directory [ 44.259760][ T521] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.318630][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 46.398805][ T4408] Bluetooth: hci0: command 0x041b tx timeout [ 46.559966][ T521] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.670817][ T521] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.589841][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.730997][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.820186][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.859640][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.949304][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.952830][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.954415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.956701][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.991048][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.992781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.994221][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.995316][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.997016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.999522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.001149][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.002605][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.003759][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.006146][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.009567][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.012606][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.014457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.016129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.019562][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.021154][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.023383][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.024967][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.027448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.030138][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.080612][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.153140][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.154494][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.157446][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.163769][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.165407][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.171903][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.173504][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.175139][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.176511][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.179059][ T4421] device veth0_vlan entered promiscuous mode [ 48.183293][ T521] device hsr_slave_0 left promiscuous mode [ 48.229769][ T521] device hsr_slave_1 left promiscuous mode [ 48.308606][ T521] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.309939][ T521] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.311635][ T521] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.312866][ T521] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.314367][ T521] device bridge_slave_1 left promiscuous mode [ 48.315652][ T521] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.359247][ T521] device bridge_slave_0 left promiscuous mode [ 48.360398][ T521] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.488629][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 48.489948][ T521] device veth1_macvtap left promiscuous mode [ 48.491065][ T521] device veth0_macvtap left promiscuous mode [ 48.491968][ T521] device veth1_vlan left promiscuous mode [ 48.492967][ T521] device veth0_vlan left promiscuous mode [ 50.558927][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 50.709634][ T521] team0 (unregistering): Port device team_slave_1 removed [ 50.879645][ T521] team0 (unregistering): Port device team_slave_0 removed [ 51.039389][ T521] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.279102][ T521] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.899356][ T521] bond0 (unregistering): Released all slaves [ 53.212400][ T4421] device veth1_vlan entered promiscuous mode [ 53.221478][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.223134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.226495][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.228157][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.231156][ T4421] device veth0_macvtap entered promiscuous mode [ 53.233486][ T4421] device veth1_macvtap entered promiscuous mode [ 53.238137][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.241314][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.243505][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.244923][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.246344][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.247771][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.251404][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.252895][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.254418][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.255919][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.257504][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.259119][ T4376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.279754][ T224] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.281162][ T224] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.282773][ T224] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.289889][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.291233][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.292648][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.434541][ T4487] loop0: detected capacity change from 0 to 32768 [ 53.439256][ T4487] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 53.440561][ T4487] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 53.454167][ T4487] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 53.456883][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 53.458024][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 53.472369][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 53.475533][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 53.476719][ T4487] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 53.633755][ T4421] ------------[ cut here ]------------ [ 53.634909][ T4421] WARNING: CPU: 0 PID: 4421 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 53.636554][ T4421] Modules linked in: [ 53.637196][ T4421] CPU: 0 PID: 4421 Comm: syz-executor Not tainted syzkaller #0 [ 53.638392][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.640009][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.641237][ T4421] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 53.642120][ T4421] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 53.643031][ T4421] sp : ffff8000212676e0 [ 53.643719][ T4421] x29: ffff800021267700 x28: 1fffff80006a2b30 x27: dfff800000000000 [ 53.644981][ T4421] x26: 0000000000000000 x25: ffff0000c0486a90 x24: 0000000000000001 [ 53.646372][ T4421] x23: 0000000000000000 x22: fffffc0003515988 x21: 1fffe00018090d52 [ 53.647675][ T4421] x20: ffff0000cca8e250 x19: fffffc0003515980 x18: ffff800011b8bf60 [ 53.648977][ T4421] x17: ffff800018349000 x16: ffff8000082d7e60 x15: ffff800017e2a000 [ 53.650249][ T4421] x14: 0000000000000001 x13: 1fffe00018090d52 x12: 0000000000ff0100 [ 53.651555][ T4421] x11: ff00800008708d64 x10: 0000000000000000 x9 : ffff800008708d64 [ 53.652850][ T4421] x8 : ffff0000cb0c9bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.654048][ T4421] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56c94 [ 53.655112][ T4421] x2 : ffff0000ced78060 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.656109][ T4421] Call trace: [ 53.656597][ T4421] __folio_mark_dirty+0x8a0/0xcd8 [ 53.657342][ T4421] mark_buffer_dirty+0x2b8/0x5c0 [ 53.658111][ T4421] gfs2_unpin+0x120/0x8fc [ 53.658892][ T4421] buf_lo_after_commit+0x140/0x188 [ 53.659758][ T4421] gfs2_log_flush+0xc00/0x1b20 [ 53.660514][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 53.661179][ T4421] deactivate_locked_super+0xac/0x120 [ 53.661989][ T4421] deactivate_super+0xe4/0x104 [ 53.662845][ T4421] cleanup_mnt+0x390/0x418 [ 53.663622][ T4421] __cleanup_mnt+0x20/0x30 [ 53.664315][ T4421] task_work_run+0x1ec/0x278 [ 53.665013][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 53.665783][ T4421] el0_svc+0x98/0x128 [ 53.666396][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 53.667135][ T4421] el0t_64_sync+0x18c/0x190 [ 53.667888][ T4421] irq event stamp: 159160 [ 53.668623][ T4421] hardirqs last enabled at (159159): [] folio_memcg_lock+0xe8/0x1f4 [ 53.669968][ T4421] hardirqs last disabled at (159160): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.671801][ T4421] softirqs last enabled at (159034): [] local_bh_enable+0x10/0x34 [ 53.673374][ T4421] softirqs last disabled at (159032): [] local_bh_disable+0x10/0x34 [ 53.674894][ T4421] ---[ end trace 0000000000000000 ]--- [ 53.680518][ T4421] ------------[ cut here ]------------ [ 53.681498][ T4421] WARNING: CPU: 1 PID: 4421 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 53.683276][ T4421] Modules linked in: [ 53.683882][ T4421] CPU: 1 PID: 4421 Comm: syz-executor Tainted: G W syzkaller #0 [ 53.685299][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.686855][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.688052][ T4421] pc : __folio_start_writeback+0x88c/0xa7c [ 53.688994][ T4421] lr : __folio_start_writeback+0x88c/0xa7c [ 53.689935][ T4421] sp : ffff800021267180 [ 53.690583][ T4421] x29: ffff800021267260 x28: dfff800000000000 x27: 0000000000000000 [ 53.691945][ T4421] x26: ffff70000424ce38 x25: 0000000000000000 x24: ffff0000cca8e250 [ 53.693259][ T4421] x23: ffff8000212671e0 x22: ffff0000c04868e8 x21: 0000000000000001 [ 53.694485][ T4421] x20: fffffc0003515988 x19: fffffc0003515980 x18: ffff800011b8bf60 [ 53.695776][ T4421] x17: ffff800018349000 x16: ffff8000082d7e60 x15: 0000000000000000 [ 53.697043][ T4421] x14: 0000000000000001 x13: 1fffff80006a2b30 x12: 0000000000ff0100 [ 53.698283][ T4421] x11: ff0080000870b270 x10: 0000000000000000 x9 : ffff80000870b270 [ 53.699635][ T4421] x8 : ffff0000cb0c9bc0 x7 : ffff80000870acdc x6 : 0000000000000000 [ 53.700953][ T4421] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ad1c [ 53.702267][ T4421] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.703602][ T4421] Call trace: [ 53.704142][ T4421] __folio_start_writeback+0x88c/0xa7c [ 53.704977][ T4421] set_page_writeback+0x5c/0x7c [ 53.705717][ T4421] gfs2_aspace_writepage+0x514/0x6dc [ 53.706562][ T4421] __gfs2_writepage+0x70/0x184 [ 53.707327][ T4421] write_cache_pages+0x74c/0xde8 [ 53.708153][ T4421] gfs2_ail1_flush+0x7c4/0xa14 [ 53.709025][ T4421] empty_ail1_list+0x130/0x214 [ 53.709831][ T4421] gfs2_log_flush+0x12b4/0x1b20 [ 53.710659][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 53.711402][ T4421] deactivate_locked_super+0xac/0x120 [ 53.712318][ T4421] deactivate_super+0xe4/0x104 [ 53.713104][ T4421] cleanup_mnt+0x390/0x418 [ 53.713850][ T4421] __cleanup_mnt+0x20/0x30 [ 53.714552][ T4421] task_work_run+0x1ec/0x278 [ 53.715308][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 53.716098][ T4421] el0_svc+0x98/0x128 [ 53.716771][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 53.717592][ T4421] el0t_64_sync+0x18c/0x190 [ 53.718345][ T4421] irq event stamp: 159312 [ 53.719078][ T4421] hardirqs last enabled at (159311): [] folio_memcg_lock+0xe8/0x1f4 [ 53.720737][ T4421] hardirqs last disabled at (159312): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.722349][ T4421] softirqs last enabled at (159290): [] handle_softirqs+0xaec/0xc60 [ 53.723986][ T4421] softirqs last disabled at (159163): [] __do_softirq+0x14/0x20 [ 53.725438][ T4421] ---[ end trace 0000000000000000 ]--- [ 53.731812][ C1] ------------[ cut here ]------------ [ 53.732754][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 53.734216][ C1] Modules linked in: [ 53.734787][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 53.736001][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.737463][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.738654][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 53.739567][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 53.740482][ C1] sp : ffff80001ca87970 [ 53.741199][ C1] x29: ffff80001ca87990 x28: dfff800000000000 x27: ffff0000c04868e8 [ 53.742509][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000651570 [ 53.743833][ C1] x23: 0000000000000001 x22: ffff0000cca8c2a0 x21: ffff0000cca8c2a8 [ 53.745087][ C1] x20: 0000000000000001 x19: fffffc000328ab80 x18: ffff800011b8bf60 [ 53.746335][ C1] x17: 1fffe00033eac97e x16: ffff8000082d7e60 x15: 0000000000000000 [ 53.747583][ C1] x14: 0000000000000003 x13: 1ffff00003950f20 x12: 0000000000ff0100 [ 53.748841][ C1] x11: ff0080000870a7e8 x10: 0000000000000000 x9 : ffff80000870a7e8 [ 53.750062][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.751394][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 53.752671][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.753910][ C1] Call trace: [ 53.754391][ C1] __folio_end_writeback+0x7d0/0x9cc [ 53.755244][ C1] folio_end_writeback+0x12c/0x410 [ 53.756069][ C1] end_page_writeback+0x58/0x74 [ 53.756881][ C1] end_buffer_async_write+0x32c/0x4f4 [ 53.757774][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 53.758568][ C1] bio_endio+0x750/0x794 [ 53.759239][ C1] blk_update_request+0x49c/0xbec [ 53.760046][ C1] blk_mq_end_request+0x54/0x88 [ 53.760790][ C1] lo_complete_rq+0x1ec/0x250 [ 53.761569][ C1] blk_done_softirq+0x11c/0x168 [ 53.762362][ C1] handle_softirqs+0x318/0xc60 [ 53.763172][ C1] run_ksoftirqd+0x7c/0x2ac [ 53.763908][ C1] smpboot_thread_fn+0x4b0/0x964 [ 53.764707][ C1] kthread+0x250/0x2d8 [ 53.765412][ C1] ret_from_fork+0x10/0x20 [ 53.766105][ C1] irq event stamp: 458505 [ 53.766799][ C1] hardirqs last enabled at (458504): [] folio_memcg_lock+0xe8/0x1f4 [ 53.768394][ C1] hardirqs last disabled at (458505): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.770025][ C1] softirqs last enabled at (458494): [] handle_softirqs+0xaec/0xc60 [ 53.771537][ C1] softirqs last disabled at (458499): [] run_ksoftirqd+0x7c/0x2ac [ 53.773011][ C1] ---[ end trace 0000000000000000 ]---