Warning: Permanently added '10.128.0.224' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 28.908871][ T4324] cgroup: Unknown subsys name 'net' [ 29.169801][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.439559][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 33.689713][ T4369] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.691186][ T4369] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.692398][ T4369] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.693785][ T4369] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.695082][ T4369] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.696282][ T4369] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.815018][ T4374] chnl_net:caif_netlink_parms(): no params data found [ 33.832992][ T4374] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.834028][ T4374] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.836113][ T4374] device bridge_slave_0 entered promiscuous mode [ 33.839435][ T4374] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.840625][ T4374] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.842110][ T4374] device bridge_slave_1 entered promiscuous mode [ 33.859936][ T4374] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.862536][ T4374] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.871326][ T4374] team0: Port device team_slave_0 added [ 33.872869][ T4374] team0: Port device team_slave_1 added [ 33.878771][ T4374] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.879904][ T4374] 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. [ 33.883708][ T4374] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.886489][ T4374] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.893442][ T4374] 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. [ 33.897789][ T4374] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.929061][ T4374] device hsr_slave_0 entered promiscuous mode [ 33.967366][ T4374] device hsr_slave_1 entered promiscuous mode [ 34.047530][ T4374] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.087038][ T4374] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.147041][ T4374] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.206790][ T4374] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.251282][ T4374] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.252448][ T4374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.253691][ T4374] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.254757][ T4374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.272837][ T4374] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.276827][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.279917][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.281470][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.285843][ T4374] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.300444][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.301807][ T1680] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.302859][ T1680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.305421][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.306774][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.307931][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.314928][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.316491][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.320153][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.323512][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.326400][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.329964][ T4374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.381286][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.382523][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.385592][ T4374] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.392991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.404314][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.405913][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.407926][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.410313][ T4374] device veth0_vlan entered promiscuous mode [ 34.413231][ T4374] device veth1_vlan entered promiscuous mode [ 34.419952][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.421370][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.422973][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.425174][ T4374] device veth0_macvtap entered promiscuous mode [ 34.434368][ T4374] device veth1_macvtap entered promiscuous mode [ 34.440020][ T4374] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.441277][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.443174][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.445574][ T4374] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.446850][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.451841][ T4374] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.453216][ T4374] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.454498][ T4374] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.455812][ T4374] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.299038][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.439774][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.440967][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.442483][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.451838][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.453112][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.454794][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:35 executed programs: 0 [ 35.695048][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.696390][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.698778][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.700375][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.701789][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 35.702999][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.748503][ T4437] chnl_net:caif_netlink_parms(): no params data found [ 35.763577][ T4437] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.764645][ T4437] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.765977][ T4437] device bridge_slave_0 entered promiscuous mode [ 35.768910][ T4437] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.769973][ T4437] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.771341][ T4437] device bridge_slave_1 entered promiscuous mode [ 35.780549][ T4437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.782994][ T4437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.791485][ T4437] team0: Port device team_slave_0 added [ 35.793234][ T4437] team0: Port device team_slave_1 added [ 35.799846][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.800972][ 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. [ 35.804638][ T4437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.806638][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.808032][ 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. [ 35.811899][ T4437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.868025][ T4437] device hsr_slave_0 entered promiscuous mode [ 35.907374][ T4437] device hsr_slave_1 entered promiscuous mode [ 35.947467][ T4437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 35.948726][ T4437] Cannot create hsr debugfs directory [ 37.558641][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.767408][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 39.847350][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 40.018073][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.099957][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.081314][ T4437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.118318][ T4437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.158116][ T4437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.258972][ T4437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.357707][ T4437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.361003][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.362466][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.364758][ T4437] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.366842][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.368482][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.369919][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.371024][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.372478][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.375460][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.376941][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.379775][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.380969][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.409751][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.412320][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.414991][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.416728][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.418350][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.420824][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.422429][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.424805][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.426211][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.429460][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.430923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.433047][ T4437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.511248][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.512478][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.515223][ T4437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.520955][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.522458][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.570286][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.571847][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.573415][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.574741][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.576670][ T4437] device veth0_vlan entered promiscuous mode [ 41.580117][ T4437] device veth1_vlan entered promiscuous mode [ 41.586496][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.588928][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.590315][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.591783][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.594011][ T4437] device veth0_macvtap entered promiscuous mode [ 41.596260][ T4437] device veth1_macvtap entered promiscuous mode [ 41.600662][ T4437] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 41.602341][ T4437] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 41.604236][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.605390][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.606784][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.608601][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.610047][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.669069][ T4437] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 41.670649][ T4437] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 41.672560][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.673689][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.675263][ T1680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.678092][ T4437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.679417][ T4437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.680801][ T4437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.682099][ T4437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.699918][ T4525] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.701063][ T4525] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.706004][ T4525] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.710741][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.711872][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.713307][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.720566][ T39] device hsr_slave_0 left promiscuous mode [ 41.748451][ T39] device hsr_slave_1 left promiscuous mode [ 41.817263][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.818447][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.819964][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.820979][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.822346][ T39] device bridge_slave_1 left promiscuous mode [ 41.823640][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.858735][ T39] device bridge_slave_0 left promiscuous mode [ 41.859721][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.861987][ T4526] loop0: detected capacity change from 0 to 32768 [ 41.866627][ T4526] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 41.868168][ T4526] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 41.876968][ T4526] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 41.879579][ T4464] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 41.880631][ T4464] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 41.892159][ T4464] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 41.893627][ T4464] gfs2: fsid=syz:syz.0: jid=0: Done [ 41.894546][ T4526] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 41.927467][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 41.967395][ T39] device veth1_macvtap left promiscuous mode [ 41.968349][ T39] device veth0_macvtap left promiscuous mode [ 41.969253][ T39] device veth1_vlan left promiscuous mode [ 41.970137][ T39] device veth0_vlan left promiscuous mode [ 41.996667][ T4526] gfs2: fsid=syz:syz.0: found 1 quota changes [ 42.020376][ T4437] ------------[ cut here ]------------ [ 42.021293][ T4437] WARNING: CPU: 1 PID: 4437 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 42.022635][ T4437] Modules linked in: [ 42.023161][ T4437] CPU: 1 PID: 4437 Comm: syz-executor Not tainted syzkaller #0 [ 42.024149][ T4437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.025444][ T4437] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.026482][ T4437] pc : __folio_mark_dirty+0x8a0/0xce0 [ 42.027231][ T4437] lr : __folio_mark_dirty+0x8a0/0xce0 [ 42.028000][ T4437] sp : ffff800020bd72c0 [ 42.028590][ T4437] x29: ffff800020bd72e0 x28: 1fffff80006cf0e0 x27: dfff800000000000 [ 42.029739][ T4437] x26: 0000000000000000 x25: ffff0000c54d3e90 x24: 0000000000000001 [ 42.030903][ T4437] x23: 0000000000000000 x22: fffffc0003678708 x21: 1fffe00018a9a7d2 [ 42.032060][ T4437] x20: ffff0000ef146250 x19: fffffc0003678700 x18: ffff800011a6bd40 [ 42.033182][ T4437] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 42.034404][ T4437] x14: ffff0000cbde2658 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 42.035627][ T4437] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 42.036824][ T4437] x8 : ffff0000cbde1bc0 x7 : ffff8000086fdea8 x6 : 0000000000000000 [ 42.038007][ T4437] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a49628 [ 42.039204][ T4437] x2 : ffff0000ce686060 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.040408][ T4437] Call trace: [ 42.040859][ T4437] __folio_mark_dirty+0x8a0/0xce0 [ 42.041556][ T4437] mark_buffer_dirty+0x2b8/0x5cc [ 42.042236][ T4437] gfs2_unpin+0x120/0x914 [ 42.042843][ T4437] buf_lo_after_commit+0x140/0x188 [ 42.043562][ T4437] gfs2_log_flush+0xbc8/0x1aa0 [ 42.044208][ T4437] do_sync+0x88c/0xa94 [ 42.044773][ T4437] gfs2_quota_sync+0x2e0/0x528 [ 42.045441][ T4437] gfs2_sync_fs+0x4c/0xc4 [ 42.046045][ T4437] sync_filesystem+0xe8/0x218 [ 42.046703][ T4437] generic_shutdown_super+0x70/0x324 [ 42.047441][ T4437] kill_block_super+0x70/0xdc [ 42.048096][ T4437] gfs2_kill_sb+0xc0/0xd4 [ 42.048702][ T4437] deactivate_locked_super+0xac/0x124 [ 42.049448][ T4437] deactivate_super+0xe8/0x108 [ 42.050130][ T4437] cleanup_mnt+0x37c/0x404 [ 42.050727][ T4437] __cleanup_mnt+0x20/0x30 [ 42.051336][ T4437] task_work_run+0x1ec/0x270 [ 42.051959][ T4437] get_signal+0x1120/0x1310 [ 42.052563][ T4437] do_notify_resume+0x34c/0x2b28 [ 42.053217][ T4437] el0_svc+0x98/0x138 [ 42.053762][ T4437] el0t_64_sync_handler+0x84/0xf0 [ 42.054459][ T4437] el0t_64_sync+0x18c/0x190 [ 42.055087][ T4437] irq event stamp: 155916 [ 42.055669][ T4437] hardirqs last enabled at (155915): [] folio_memcg_lock+0xe8/0x1fc [ 42.056983][ T4437] hardirqs last disabled at (155916): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 42.058373][ T4437] softirqs last enabled at (155324): [] local_bh_enable+0x10/0x34 [ 42.059701][ T4437] softirqs last disabled at (155322): [] local_bh_disable+0x10/0x34 [ 42.060993][ T4437] ---[ end trace 0000000000000000 ]--- [ 42.076470][ T4525] ------------[ cut here ]------------ [ 42.077349][ T4525] WARNING: CPU: 1 PID: 4525 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 42.078920][ T4525] Modules linked in: [ 42.079501][ T4525] CPU: 1 PID: 4525 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 42.080815][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.082246][ T4525] Workqueue: writeback wb_workfn (flush-7:0) [ 42.083108][ T4525] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.084196][ T4525] pc : __folio_start_writeback+0x868/0xa68 [ 42.085013][ T4525] lr : __folio_start_writeback+0x868/0xa68 [ 42.085858][ T4525] sp : ffff800020e96c80 [ 42.086432][ T4525] x29: ffff800020e96d60 x28: dfff800000000000 x27: 0000000000000000 [ 42.087641][ T4525] x26: ffff7000041d2d98 x25: 0000000000000000 x24: ffff0000ef146ce0 [ 42.088741][ T4525] x23: ffff800020e96ce0 x22: ffff0000c54d3ce8 x21: 0000000000000001 [ 42.089863][ T4525] x20: fffffc000335f448 x19: fffffc000335f440 x18: ffff800011a6bd40 [ 42.090965][ T4525] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 42.092110][ T4525] x14: ffff0000d39f8a98 x13: ffff0000d39f8b10 x12: 0000000000ff0100 [ 42.093254][ T4525] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 42.094496][ T4525] x8 : ffff0000d39f8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.095670][ T4525] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087006dc [ 42.096936][ T4525] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.098109][ T4525] Call trace: [ 42.098598][ T4525] __folio_start_writeback+0x868/0xa68 [ 42.099415][ T4525] set_page_writeback+0x5c/0x7c [ 42.100127][ T4525] gfs2_aspace_writepage+0x520/0x6e8 [ 42.100917][ T4525] __writepage+0x70/0x18c [ 42.101553][ T4525] write_cache_pages+0x73c/0xdd4 [ 42.102270][ T4525] do_writepages+0x320/0x4fc [ 42.102939][ T4525] filemap_fdatawrite_wbc+0x124/0x174 [ 42.103715][ T4525] filemap_fdatawrite+0xc4/0x114 [ 42.104426][ T4525] gfs2_write_inode+0x234/0x34c [ 42.105142][ T4525] __writeback_single_inode+0x5e0/0x157c [ 42.105979][ T4525] writeback_sb_inodes+0x824/0x1404 [ 42.106662][ T4525] wb_writeback+0x400/0xfb0 [ 42.107286][ T4525] wb_workfn+0x34c/0xd98 [ 42.107856][ T4525] process_one_work+0x7f4/0x13a8 [ 42.108524][ T4525] worker_thread+0x8c8/0xfbc [ 42.109148][ T4525] kthread+0x250/0x2d8 [ 42.109715][ T4525] ret_from_fork+0x10/0x20 [ 42.110311][ T4525] irq event stamp: 5762 [ 42.110865][ T4525] hardirqs last enabled at (5761): [] folio_memcg_lock+0xe8/0x1fc [ 42.112111][ T4525] hardirqs last disabled at (5762): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 42.113418][ T4525] softirqs last enabled at (5574): [] ieee80211_ibss_work+0x2a4/0xd60 [ 42.114700][ T4525] softirqs last disabled at (5572): [] ieee80211_ibss_work+0xd0/0xd60 [ 42.116001][ T4525] ---[ end trace 0000000000000000 ]--- [ 42.130726][ C0] ------------[ cut here ]------------ [ 42.131574][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 42.133027][ C0] Modules linked in: [ 42.133591][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 42.134843][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.136236][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.137327][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 42.138164][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 42.138983][ C0] sp : ffff80001c857960 [ 42.139579][ C0] x29: ffff80001c857980 x28: dfff800000000000 x27: ffff0000c54d3ce8 [ 42.140733][ C0] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff800066be88 [ 42.141846][ C0] x23: 0000000000000001 x22: ffff0000ef146ce0 x21: ffff0000ef146ce8 [ 42.142968][ C0] x20: 0000000000000001 x19: fffffc000335f440 x18: ffff800011a6bd40 [ 42.144106][ C0] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 42.145242][ C0] x14: ffff0000c09b4218 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 42.146371][ C0] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 42.147471][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.148602][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 42.149744][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.150889][ C0] Call trace: [ 42.151356][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 42.152115][ C0] folio_end_writeback+0x12c/0x41c [ 42.152845][ C0] end_page_writeback+0x58/0x74 [ 42.153528][ C0] end_buffer_async_write+0x32c/0x508 [ 42.154274][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 42.154972][ C0] bio_endio+0x770/0x7b4 [ 42.155561][ C0] blk_update_request+0x49c/0xbec [ 42.156274][ C0] blk_mq_end_request+0x54/0x88 [ 42.156922][ C0] lo_complete_rq+0x1ec/0x250 [ 42.157577][ C0] blk_done_softirq+0x11c/0x168 [ 42.158262][ C0] handle_softirqs+0x318/0xc6c [ 42.158921][ C0] run_ksoftirqd+0x7c/0x2b0 [ 42.159549][ C0] smpboot_thread_fn+0x4b0/0x964 [ 42.160237][ C0] kthread+0x250/0x2d8 [ 42.160767][ C0] ret_from_fork+0x10/0x20 [ 42.161372][ C0] irq event stamp: 431239 [ 42.161958][ C0] hardirqs last enabled at (431238): [] folio_memcg_lock+0xe8/0x1fc [ 42.163277][ C0] hardirqs last disabled at (431239): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 42.164638][ C0] softirqs last enabled at (431214): [] handle_softirqs+0xaf8/0xc6c [ 42.165969][ C0] softirqs last disabled at (431219): [] run_ksoftirqd+0x7c/0x2b0 [ 42.167242][ C0] ---[ end trace 0000000000000000 ]---