Warning: Permanently added '10.128.1.44' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.558985][ T4337] cgroup: Unknown subsys name 'net' [ 32.798563][ T4337] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.100921][ T4337] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.471410][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.472905][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.475188][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.485229][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.487208][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.488838][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.225012][ T4409] chnl_net:caif_netlink_parms(): no params data found [ 39.243949][ T4409] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.245368][ T4409] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.255306][ T4409] device bridge_slave_0 entered promiscuous mode [ 39.258176][ T4409] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.259528][ T4409] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.261146][ T4409] device bridge_slave_1 entered promiscuous mode [ 39.267892][ T4409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.270343][ T4409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.276651][ T4409] team0: Port device team_slave_0 added [ 39.278346][ T4409] team0: Port device team_slave_1 added [ 39.284005][ T4409] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.285203][ T4409] 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. [ 39.290937][ T4409] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.293580][ T4409] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.294772][ T4409] 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. [ 39.299994][ T4409] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.366964][ T4409] device hsr_slave_0 entered promiscuous mode [ 39.405879][ T4409] device hsr_slave_1 entered promiscuous mode [ 39.490677][ T4409] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.526983][ T4409] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.596341][ T4409] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.656582][ T4409] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.734162][ T4409] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.738028][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.739846][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.742554][ T4409] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.744984][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.746760][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.748601][ T1661] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.749970][ T1661] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.751681][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.754259][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.756554][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.758239][ T1661] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.759564][ T1661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.777719][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.779638][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.781422][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.783269][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.784979][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.787094][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.788688][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.791643][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.793306][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.797657][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.799312][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.801861][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.851822][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.853282][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.858196][ T4409] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.864396][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.870238][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.872362][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.873856][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.876907][ T4409] device veth0_vlan entered promiscuous mode [ 39.879938][ T4409] device veth1_vlan entered promiscuous mode [ 39.886999][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.888916][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.890518][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.892888][ T4409] device veth0_macvtap entered promiscuous mode [ 39.895332][ T4409] device veth1_macvtap entered promiscuous mode [ 39.913039][ T4409] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.914471][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.917933][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.919677][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.922747][ T4409] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.924057][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.925966][ T1661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.928534][ T4409] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.930114][ T4409] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.931590][ T4409] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.933053][ T4409] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.018213][ T4425] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.019900][ T4425] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.021239][ T4425] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.022820][ T4425] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.024286][ T4425] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.025634][ T4425] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:40 executed programs: 0 [ 40.499556][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.501209][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.502628][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.504210][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.506850][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.508279][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.874817][ T4437] chnl_net:caif_netlink_parms(): no params data found [ 40.952082][ T4437] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.953439][ T4437] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.955019][ T4437] device bridge_slave_0 entered promiscuous mode [ 40.957705][ T4437] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.958944][ T4437] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.960546][ T4437] device bridge_slave_1 entered promiscuous mode [ 40.969726][ T4437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.972281][ T4437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.978785][ T4437] team0: Port device team_slave_0 added [ 40.981020][ T4437] team0: Port device team_slave_1 added [ 41.066004][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.067281][ T4437] 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. [ 41.071845][ T4437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.156944][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.158237][ T4437] 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. [ 41.163084][ T4437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.446986][ T4437] device hsr_slave_0 entered promiscuous mode [ 41.485848][ T4437] device hsr_slave_1 entered promiscuous mode [ 41.535747][ T4437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.537088][ T4437] Cannot create hsr debugfs directory [ 41.657639][ T4437] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.555795][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.506571][ T4437] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.645960][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.326958][ T4437] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.397252][ T4437] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.629176][ T4437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.749622][ T4437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.840620][ T4437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.887097][ T4437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.989026][ T4437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.992476][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.994131][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.996966][ T4437] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.999251][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.000992][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.002611][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.003894][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.005446][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.046841][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.048866][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.050459][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.051735][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.053193][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.054998][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.056860][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.058557][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.060303][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.061903][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.063594][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.065226][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.067336][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.070402][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.072073][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.074402][ T4437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.153053][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.154532][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.158898][ T4437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.164713][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.167543][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.172425][ T9] device hsr_slave_0 left promiscuous mode [ 46.205957][ T9] device hsr_slave_1 left promiscuous mode [ 46.285875][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.287203][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.289928][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.291229][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.292823][ T9] device bridge_slave_1 left promiscuous mode [ 46.294387][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.346424][ T9] device bridge_slave_0 left promiscuous mode [ 46.347610][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.485909][ T9] device veth1_macvtap left promiscuous mode [ 46.487056][ T9] device veth0_macvtap left promiscuous mode [ 46.488100][ T9] device veth1_vlan left promiscuous mode [ 46.489159][ T9] device veth0_vlan left promiscuous mode [ 46.716011][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 48.676960][ T9] team0 (unregistering): Port device team_slave_1 removed [ 48.805765][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 48.846665][ T9] team0 (unregistering): Port device team_slave_0 removed [ 49.026115][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.246108][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.867501][ T9] bond0 (unregistering): Released all slaves [ 51.185003][ T4437] device veth0_vlan entered promiscuous mode [ 51.188789][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.190495][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.192877][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.194362][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.199571][ T4437] device veth1_vlan entered promiscuous mode [ 51.206327][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.208103][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.210255][ T4437] device veth0_macvtap entered promiscuous mode [ 51.212385][ T4437] device veth1_macvtap entered promiscuous mode [ 51.216869][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.217978][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.219436][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.220761][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.222112][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.224731][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.229410][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.231186][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.233573][ T4437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.235146][ T4437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.238726][ T4437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.240310][ T4437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.261532][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.263000][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.266747][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.270755][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.272204][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.273716][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.438465][ T4459] loop0: detected capacity change from 0 to 32768 [ 51.442491][ T4459] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.443874][ T4459] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.451628][ T4459] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.454242][ T4372] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.455469][ T4372] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.468222][ T4372] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 51.469999][ T4372] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.471061][ T4459] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.541660][ T4437] ------------[ cut here ]------------ [ 51.542963][ T4437] WARNING: CPU: 1 PID: 4437 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 51.544880][ T4437] Modules linked in: [ 51.545703][ T4437] CPU: 1 PID: 4437 Comm: syz-executor Not tainted syzkaller #0 [ 51.547288][ T4437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.549286][ T4437] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.550881][ T4437] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 51.551948][ T4437] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 51.552986][ T4437] sp : ffff8000212076e0 [ 51.553791][ T4437] x29: ffff800021207700 x28: 1fffff800065a328 x27: dfff800000000000 [ 51.555427][ T4437] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 51.557113][ T4437] x23: 0000000000000000 x22: fffffc00032d1948 x21: 1fffe00018092932 [ 51.558704][ T4437] x20: ffff0000d9c7a250 x19: fffffc00032d1940 x18: ffff800011b9bf60 [ 51.560279][ T4437] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 51.561847][ T4437] x14: 0000000000000001 x13: 1fffe00018092932 x12: 0000000000ff0100 [ 51.563487][ T4437] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 51.565119][ T4437] x8 : ffff0000da091bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.566708][ T4437] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 51.568219][ T4437] x2 : ffff0000cf12a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.569843][ T4437] Call trace: [ 51.570511][ T4437] __folio_mark_dirty+0x8a0/0xcd8 [ 51.571493][ T4437] mark_buffer_dirty+0x2b8/0x5c0 [ 51.572507][ T4437] gfs2_unpin+0x120/0x8fc [ 51.573357][ T4437] buf_lo_after_commit+0x140/0x188 [ 51.574401][ T4437] gfs2_log_flush+0xc00/0x1b20 [ 51.575353][ T4437] gfs2_kill_sb+0x5c/0xd4 [ 51.576234][ T4437] deactivate_locked_super+0xac/0x120 [ 51.577251][ T4437] deactivate_super+0xe4/0x104 [ 51.578164][ T4437] cleanup_mnt+0x390/0x418 [ 51.579018][ T4437] __cleanup_mnt+0x20/0x30 [ 51.579864][ T4437] task_work_run+0x1ec/0x278 [ 51.580750][ T4437] do_notify_resume+0x1fa0/0x2aa4 [ 51.581711][ T4437] el0_svc+0x98/0x128 [ 51.582472][ T4437] el0t_64_sync_handler+0x84/0xf0 [ 51.583428][ T4437] el0t_64_sync+0x18c/0x190 [ 51.584291][ T4437] irq event stamp: 156920 [ 51.585116][ T4437] hardirqs last enabled at (156919): [] exit_to_kernel_mode+0xcc/0xfc [ 51.586882][ T4437] hardirqs last disabled at (156920): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.588674][ T4437] softirqs last enabled at (156786): [] local_bh_enable+0x10/0x34 [ 51.590445][ T4437] softirqs last disabled at (156784): [] local_bh_disable+0x10/0x34 [ 51.592246][ T4437] ---[ end trace 0000000000000000 ]--- [ 51.606998][ T4437] ------------[ cut here ]------------ [ 51.608049][ T4437] WARNING: CPU: 0 PID: 4437 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 51.610028][ T4437] Modules linked in: [ 51.610772][ T4437] CPU: 0 PID: 4437 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.612381][ T4437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.614246][ T4437] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.615653][ T4437] pc : __folio_start_writeback+0x88c/0xa7c [ 51.616825][ T4437] lr : __folio_start_writeback+0x88c/0xa7c [ 51.618005][ T4437] sp : ffff800021207180 [ 51.618837][ T4437] x29: ffff800021207260 x28: dfff800000000000 x27: 0000000000000000 [ 51.620419][ T4437] x26: ffff700004240e38 x25: 0000000000000000 x24: ffff0000d9c7a250 [ 51.622033][ T4437] x23: ffff8000212071e0 x22: ffff0000c04947e8 x21: 0000000000000001 [ 51.623601][ T4437] x20: fffffc00032d1948 x19: fffffc00032d1940 x18: ffff800011b9bf60 [ 51.625222][ T4437] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.626846][ T4437] x14: 0000000000000001 x13: 1fffff800065a328 x12: 0000000000ff0100 [ 51.628487][ T4437] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 51.630054][ T4437] x8 : ffff0000da091bc0 x7 : ffff80000870c070 x6 : 0000000000000000 [ 51.631625][ T4437] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 51.633254][ T4437] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.634877][ T4437] Call trace: [ 51.635524][ T4437] __folio_start_writeback+0x88c/0xa7c [ 51.636659][ T4437] set_page_writeback+0x5c/0x7c [ 51.637657][ T4437] gfs2_aspace_writepage+0x514/0x6dc [ 51.638731][ T4437] __gfs2_writepage+0x70/0x184 [ 51.639715][ T4437] write_cache_pages+0x74c/0xde8 [ 51.640668][ T4437] gfs2_ail1_flush+0x7c4/0xa14 [ 51.641617][ T4437] empty_ail1_list+0x130/0x214 [ 51.642616][ T4437] gfs2_log_flush+0x12b4/0x1b20 [ 51.643596][ T4437] gfs2_kill_sb+0x5c/0xd4 [ 51.644462][ T4437] deactivate_locked_super+0xac/0x120 [ 51.645577][ T4437] deactivate_super+0xe4/0x104 [ 51.646517][ T4437] cleanup_mnt+0x390/0x418 [ 51.647358][ T4437] __cleanup_mnt+0x20/0x30 [ 51.648190][ T4437] task_work_run+0x1ec/0x278 [ 51.649053][ T4437] do_notify_resume+0x1fa0/0x2aa4 [ 51.650044][ T4437] el0_svc+0x98/0x128 [ 51.650874][ T4437] el0t_64_sync_handler+0x84/0xf0 [ 51.651877][ T4437] el0t_64_sync+0x18c/0x190 [ 51.652804][ T4437] irq event stamp: 157106 [ 51.653689][ T4437] hardirqs last enabled at (157105): [] folio_memcg_lock+0xe8/0x1f4 [ 51.655641][ T4437] hardirqs last disabled at (157106): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.657673][ T4437] softirqs last enabled at (157082): [] handle_softirqs+0xaec/0xc60 [ 51.659668][ T4437] softirqs last disabled at (156923): [] __do_softirq+0x14/0x20 [ 51.661573][ T4437] ---[ end trace 0000000000000000 ]--- [ 51.666574][ C0] ------------[ cut here ]------------ [ 51.667625][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.669430][ C0] Modules linked in: [ 51.670062][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.671611][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.673413][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.674795][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.675779][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.676885][ C0] sp : ffff80001ca27970 [ 51.677675][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c04947e8 [ 51.679216][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006d9ff8 [ 51.680715][ C0] x23: 0000000000000001 x22: ffff0000d9c782a0 x21: ffff0000d9c782a8 [ 51.682307][ C0] x20: 0000000000000001 x19: fffffc00036cffc0 x18: ffff800011b9bf60 [ 51.683914][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.685505][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 51.687027][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 51.688553][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.690018][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.691509][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.693007][ C0] Call trace: [ 51.693619][ C0] __folio_end_writeback+0x7d0/0x9cc [ 51.694605][ C0] folio_end_writeback+0x12c/0x410 [ 51.695565][ C0] end_page_writeback+0x58/0x74 [ 51.696433][ C0] end_buffer_async_write+0x32c/0x4f4 [ 51.697404][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 51.698305][ C0] bio_endio+0x750/0x794 [ 51.699077][ C0] blk_update_request+0x49c/0xbec [ 51.700051][ C0] blk_mq_end_request+0x54/0x88 [ 51.701062][ C0] lo_complete_rq+0x1ec/0x250 [ 51.701994][ C0] blk_done_softirq+0x11c/0x168 [ 51.702922][ C0] handle_softirqs+0x318/0xc60 [ 51.703866][ C0] run_ksoftirqd+0x7c/0x2ac [ 51.704750][ C0] smpboot_thread_fn+0x4b0/0x964 [ 51.705713][ C0] kthread+0x250/0x2d8 [ 51.706462][ C0] ret_from_fork+0x10/0x20 [ 51.707225][ C0] irq event stamp: 428271 [ 51.707967][ C0] hardirqs last enabled at (428270): [] folio_memcg_lock+0xe8/0x1f4 [ 51.709782][ C0] hardirqs last disabled at (428271): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.711644][ C0] softirqs last enabled at (428258): [] handle_softirqs+0xaec/0xc60 [ 51.713495][ C0] softirqs last disabled at (428265): [] run_ksoftirqd+0x7c/0x2ac [ 51.715355][ C0] ---[ end trace 0000000000000000 ]---