Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.244426][ T4338] cgroup: Unknown subsys name 'net' [ 31.486224][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.777459][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 34.197271][ T4348] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.198870][ T4348] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.200172][ T4348] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.201609][ T4348] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.203131][ T4348] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 34.204833][ T4350] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.176026][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.177380][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.179177][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.191337][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.192752][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.194707][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.328416][ T4416] chnl_net:caif_netlink_parms(): no params data found [ 35.346575][ T4416] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.347888][ T4416] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.349420][ T4416] device bridge_slave_0 entered promiscuous mode [ 35.353013][ T4416] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.354415][ T4416] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.355916][ T4416] device bridge_slave_1 entered promiscuous mode [ 35.362083][ T4416] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.365123][ T4416] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.371003][ T4416] team0: Port device team_slave_0 added [ 35.372709][ T4416] team0: Port device team_slave_1 added [ 35.377884][ T4416] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.379072][ T4416] 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. [ 35.383183][ T4416] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.385791][ T4416] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.386939][ T4416] 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. [ 35.390913][ T4416] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.444998][ T4416] device hsr_slave_0 entered promiscuous mode [ 35.473992][ T4416] device hsr_slave_1 entered promiscuous mode [ 35.546660][ T4416] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.584820][ T4416] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.633287][ T4416] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.684171][ T4416] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.769469][ T4416] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.773551][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.776015][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.778870][ T4416] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.781233][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.782911][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.784940][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.786128][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.787746][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.790307][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.791888][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.793366][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.794617][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.808615][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 35.811551][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.815359][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 35.817117][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.818759][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.821240][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 35.822965][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.825969][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.827502][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.830573][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.832173][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.835625][ T4416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.896407][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.897760][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.901466][ T4416] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.908156][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 35.909856][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.915718][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 35.917490][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.919337][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.920748][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.922864][ T4416] device veth0_vlan entered promiscuous mode [ 35.927679][ T4416] device veth1_vlan entered promiscuous mode [ 35.941176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.942889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.944858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 35.946526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.949289][ T4416] device veth0_macvtap entered promiscuous mode [ 35.951653][ T4416] device veth1_macvtap entered promiscuous mode [ 35.956748][ T4416] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.958019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.959771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 35.961219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 35.962916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.966544][ T4416] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.967840][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 35.969393][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.971800][ T4416] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.973317][ T4416] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.976029][ T4416] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.977474][ T4416] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:36 executed programs: 0 [ 36.192555][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.194585][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.195983][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.197518][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.198963][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.200231][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.517097][ T4433] chnl_net:caif_netlink_parms(): no params data found [ 36.537370][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.538646][ T4433] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.540150][ T4433] device bridge_slave_0 entered promiscuous mode [ 36.542073][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.543401][ T4433] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.546834][ T4433] device bridge_slave_1 entered promiscuous mode [ 36.553089][ T4433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.557397][ T4433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.564636][ T4433] team0: Port device team_slave_0 added [ 36.566524][ T4433] team0: Port device team_slave_1 added [ 36.571330][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.572477][ T4433] 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. [ 36.577266][ T4433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.579540][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.580635][ T4433] 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. [ 36.585247][ T4433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.885161][ T1285] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.934887][ T4433] device hsr_slave_0 entered promiscuous mode [ 36.973948][ T4433] device hsr_slave_1 entered promiscuous mode [ 37.013783][ T4433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.015205][ T4433] Cannot create hsr debugfs directory [ 38.233961][ T4350] Bluetooth: hci0: command 0x0409 tx timeout [ 39.134978][ T1285] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.313922][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 41.495061][ T1285] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.576193][ T1285] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.393744][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 42.668742][ T4433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 42.737054][ T4433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 42.838759][ T4433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 42.919218][ T4433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.011765][ T4433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.015153][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.016659][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.018962][ T4433] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.021252][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.022848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.024450][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.025568][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.026883][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.029338][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.030933][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.032460][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.033638][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.067564][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.070658][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.073347][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.075331][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.077038][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.079410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.081125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.083671][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.085609][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.088077][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.089622][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.091892][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.141367][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.142717][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.509356][ T4433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.516354][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.518050][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.523410][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.526184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.527724][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.529095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.531250][ T4433] device veth0_vlan entered promiscuous mode [ 43.534708][ T4433] device veth1_vlan entered promiscuous mode [ 43.540520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.542121][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.543558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.547428][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.575600][ T4433] device veth0_macvtap entered promiscuous mode [ 43.580598][ T4433] device veth1_macvtap entered promiscuous mode [ 43.585111][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 43.586719][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.588727][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.589976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.591545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.592962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.594668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.597216][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 43.599026][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.601048][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.602288][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.604121][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.606891][ T4433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.608381][ T4433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.609770][ T4433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.611107][ T4433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.961209][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.963553][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.966715][ T4405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.971841][ T4405] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.973140][ T4405] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.974847][ T4405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.029272][ T1285] device hsr_slave_0 left promiscuous mode [ 44.084265][ T1285] device hsr_slave_1 left promiscuous mode [ 44.127960][ T4484] loop0: detected capacity change from 0 to 32768 [ 44.133218][ T4484] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.134965][ T4484] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.145595][ T4484] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.148095][ T4404] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.149237][ T4404] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.163209][ T4404] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 44.165363][ T4404] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.166467][ T4484] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.174332][ T1285] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.175558][ T1285] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.177882][ T1285] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.180854][ T1285] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.182295][ T1285] device bridge_slave_1 left promiscuous mode [ 44.186804][ T1285] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.224511][ T1285] device bridge_slave_0 left promiscuous mode [ 44.225668][ T1285] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.265371][ T4433] ------------[ cut here ]------------ [ 44.266435][ T4433] WARNING: CPU: 1 PID: 4433 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 44.267984][ T4433] Modules linked in: [ 44.268589][ T4433] CPU: 1 PID: 4433 Comm: syz-executor Not tainted syzkaller #0 [ 44.269636][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 44.271088][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.272247][ T4433] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 44.273124][ T4433] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 44.274002][ T4433] sp : ffff800020bd76a0 [ 44.274715][ T4433] x29: ffff800020bd76c0 x28: 1fffff800068cf50 x27: dfff800000000000 [ 44.276084][ T4433] x26: 0000000000000000 x25: ffff0000c049c998 x24: 0000000000000001 [ 44.277432][ T4433] x23: 0000000000000000 x22: fffffc0003467a88 x21: 1fffe00018093933 [ 44.278806][ T4433] x20: ffff0000dbf2e250 x19: fffffc0003467a80 x18: ffff800011babf60 [ 44.280094][ T4433] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 44.281508][ T4433] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000ff0100 [ 44.282943][ T4433] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 44.284397][ T4433] x8 : ffff0000c7aa9c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.285850][ T4433] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a595a0 [ 44.287251][ T4433] x2 : ffff0000cee78060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.288627][ T4433] Call trace: [ 44.289195][ T4433] __folio_mark_dirty+0x8a0/0xcd8 [ 44.290044][ T4433] mark_buffer_dirty+0x2b8/0x5c0 [ 44.290913][ T4433] gfs2_unpin+0x120/0x8fc [ 44.291641][ T4433] buf_lo_after_commit+0x140/0x188 [ 44.292447][ T4433] __gfs2_log_flush+0x1290/0x1b38 [ 44.293253][ T4433] gfs2_log_flush+0x3c/0x58 [ 44.294012][ T4433] gfs2_kill_sb+0x5c/0xd4 [ 44.294707][ T4433] deactivate_locked_super+0xac/0x120 [ 44.295528][ T4433] deactivate_super+0xe4/0x104 [ 44.296241][ T4433] cleanup_mnt+0x390/0x418 [ 44.296908][ T4433] __cleanup_mnt+0x20/0x30 [ 44.297591][ T4433] task_work_run+0x1ec/0x278 [ 44.298315][ T4433] do_notify_resume+0x1fa0/0x2aa4 [ 44.299076][ T4433] el0_svc+0x98/0x128 [ 44.299683][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 44.300518][ T4433] el0t_64_sync+0x18c/0x190 [ 44.301263][ T4433] irq event stamp: 153022 [ 44.302016][ T4433] hardirqs last enabled at (153021): [] folio_memcg_lock+0xe8/0x1f4 [ 44.303585][ T4433] hardirqs last disabled at (153022): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.305206][ T4433] softirqs last enabled at (152904): [] local_bh_enable+0x10/0x34 [ 44.306804][ T4433] softirqs last disabled at (152902): [] local_bh_disable+0x10/0x34 [ 44.308377][ T4433] ---[ end trace 0000000000000000 ]--- [ 44.324299][ T4433] ------------[ cut here ]------------ [ 44.325193][ T4433] WARNING: CPU: 0 PID: 4433 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 44.326852][ T4433] Modules linked in: [ 44.327506][ T4433] CPU: 0 PID: 4433 Comm: syz-executor Tainted: G W syzkaller #0 [ 44.328878][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 44.330483][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.331652][ T4433] pc : __folio_start_writeback+0x88c/0xa7c [ 44.332522][ T4433] lr : __folio_start_writeback+0x88c/0xa7c [ 44.333400][ T4433] sp : ffff800020bd7140 [ 44.334116][ T4433] x29: ffff800020bd7220 x28: dfff800000000000 x27: 0000000000000000 [ 44.335402][ T4433] x26: ffff70000417ae30 x25: 0000000000000000 x24: ffff0000dbf2e250 [ 44.336770][ T4433] x23: ffff800020bd71a0 x22: ffff0000c049c7f0 x21: 0000000000000001 [ 44.338192][ T4433] x20: fffffc0003467a88 x19: fffffc0003467a80 x18: ffff800011babf60 [ 44.339547][ T4433] x17: ffff800018381000 x16: ffff8000082d8944 x15: 0000000000000000 [ 44.340866][ T4433] x14: 0000000000000001 x13: 1fffff800068cf50 x12: 0000000000ff0100 [ 44.342186][ T4433] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 44.343590][ T4433] x8 : ffff0000c7aa9c00 x7 : ffff80000870cbb0 x6 : 0000000000000000 [ 44.344943][ T4433] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870cbf0 [ 44.346324][ T4433] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.347808][ T4433] Call trace: [ 44.348368][ T4433] __folio_start_writeback+0x88c/0xa7c [ 44.349324][ T4433] set_page_writeback+0x5c/0x7c [ 44.350209][ T4433] gfs2_aspace_writepage+0x514/0x6dc [ 44.351072][ T4433] __gfs2_writepage+0x70/0x184 [ 44.351955][ T4433] write_cache_pages+0x74c/0xde8 [ 44.352914][ T4433] gfs2_ail1_flush+0x7c4/0xa14 [ 44.353797][ T4433] empty_ail1_list+0x130/0x214 [ 44.354585][ T4433] __gfs2_log_flush+0x1568/0x1b38 [ 44.355451][ T4433] gfs2_log_flush+0x3c/0x58 [ 44.356203][ T4433] gfs2_kill_sb+0x5c/0xd4 [ 44.356895][ T4433] deactivate_locked_super+0xac/0x120 [ 44.357824][ T4433] deactivate_super+0xe4/0x104 [ 44.358599][ T4433] cleanup_mnt+0x390/0x418 [ 44.359313][ T4433] __cleanup_mnt+0x20/0x30 [ 44.360098][ T4433] task_work_run+0x1ec/0x278 [ 44.360901][ T4433] do_notify_resume+0x1fa0/0x2aa4 [ 44.361788][ T4433] el0_svc+0x98/0x128 [ 44.362477][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 44.363279][ T4433] el0t_64_sync+0x18c/0x190 [ 44.364064][ T4433] irq event stamp: 153096 [ 44.364785][ T4433] hardirqs last enabled at (153095): [] folio_memcg_lock+0xe8/0x1f4 [ 44.366279][ T4433] hardirqs last disabled at (153096): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.367781][ T4433] softirqs last enabled at (153068): [] handle_softirqs+0xaec/0xc60 [ 44.369415][ T4433] softirqs last disabled at (153025): [] __do_softirq+0x14/0x20 [ 44.370884][ T4433] ---[ end trace 0000000000000000 ]--- [ 44.378050][ C0] ------------[ cut here ]------------ [ 44.379009][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 44.380573][ C0] Modules linked in: [ 44.381182][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 44.382591][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 44.384193][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.385493][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 44.386421][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 44.387360][ C0] sp : ffff80001ca57970 [ 44.388090][ C0] x29: ffff80001ca57990 x28: dfff800000000000 x27: ffff0000c049c7f0 [ 44.389479][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006749d0 [ 44.390945][ C0] x23: 0000000000000001 x22: ffff0000dbf2c2a0 x21: ffff0000dbf2c2a8 [ 44.392314][ C0] x20: 0000000000000001 x19: fffffc00033a4e80 x18: ffff800011babf60 [ 44.393695][ C0] x17: 1fffe00033e9f77e x16: ffff8000082d8944 x15: 0000000000000000 [ 44.395087][ C0] x14: 0000000000000003 x13: 1ffff0000394af20 x12: 0000000000ff0100 [ 44.396423][ C0] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 44.397729][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.399033][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 44.400374][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.401716][ C0] Call trace: [ 44.402252][ C0] __folio_end_writeback+0x7d0/0x9cc [ 44.403191][ C0] folio_end_writeback+0x12c/0x410 [ 44.404050][ C0] end_page_writeback+0x58/0x74 [ 44.404942][ C0] end_buffer_async_write+0x32c/0x4f4 [ 44.405874][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 44.406723][ C0] bio_endio+0x750/0x794 [ 44.407410][ C0] blk_update_request+0x49c/0xbec [ 44.408239][ C0] blk_mq_end_request+0x54/0x88 [ 44.409029][ C0] lo_complete_rq+0x1ec/0x250 [ 44.409731][ C0] blk_done_softirq+0x11c/0x168 [ 44.410528][ C0] handle_softirqs+0x318/0xc60 [ 44.411305][ C0] run_ksoftirqd+0x7c/0x2ac [ 44.412051][ C0] smpboot_thread_fn+0x4b0/0x964 [ 44.412934][ C0] kthread+0x250/0x2d8 [ 44.413662][ C0] ret_from_fork+0x10/0x20 [ 44.414414][ C0] irq event stamp: 474641 [ 44.415145][ C0] hardirqs last enabled at (474640): [] folio_memcg_lock+0xe8/0x1f4 [ 44.416746][ C0] hardirqs last disabled at (474641): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 44.418556][ C0] softirqs last enabled at (474630): [] handle_softirqs+0xaec/0xc60 [ 44.420117][ C0] softirqs last disabled at (474635): [] run_ksoftirqd+0x7c/0x2ac [ 44.421672][ C0] ---[ end trace 0000000000000000 ]---