Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.842991][ T4340] cgroup: Unknown subsys name 'net' [ 33.077072][ T4340] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.371514][ T4340] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.898920][ T4387] chnl_net:caif_netlink_parms(): no params data found [ 39.917900][ T4387] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.919195][ T4387] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.920715][ T4387] device bridge_slave_0 entered promiscuous mode [ 39.923133][ T4387] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.924723][ T4387] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.926261][ T4387] device bridge_slave_1 entered promiscuous mode [ 39.932944][ T4387] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.936287][ T4387] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.942404][ T4387] team0: Port device team_slave_0 added [ 39.944659][ T4387] team0: Port device team_slave_1 added [ 39.950289][ T4387] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.951474][ T4387] 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. [ 39.956454][ T4387] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.959024][ T4387] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.960060][ T4387] 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. [ 39.963754][ T4387] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.005711][ T4387] device hsr_slave_0 entered promiscuous mode [ 40.044234][ T4387] device hsr_slave_1 entered promiscuous mode [ 40.167318][ T4387] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.205365][ T4387] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.255446][ T4387] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.295464][ T4387] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.340954][ T4387] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.342166][ T4387] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.343576][ T4387] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.344777][ T4387] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.362237][ T4387] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.366238][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.368785][ T251] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.370434][ T251] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.372176][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.377460][ T4387] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.388260][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.389844][ T251] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.390960][ T251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.392292][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.393696][ T251] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.394968][ T251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.397098][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.398728][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.402099][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.405674][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.408547][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.411056][ T4387] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.478080][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.479546][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.482780][ T4387] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.489739][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.495657][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.497486][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.498974][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.501425][ T4387] device veth0_vlan entered promiscuous mode [ 40.505053][ T4387] device veth1_vlan entered promiscuous mode [ 40.512093][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.513670][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.515677][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.519646][ T4387] device veth0_macvtap entered promiscuous mode [ 40.522193][ T4387] device veth1_macvtap entered promiscuous mode [ 40.528536][ T4387] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.529817][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.532134][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.535237][ T4387] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.536530][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.539132][ T4387] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.540573][ T4387] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.541995][ T4387] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.543413][ T4387] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.681909][ T4420] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.683447][ T4420] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.685778][ T4420] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.687462][ T4420] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.688929][ T4420] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.690259][ T4420] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.939748][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.941156][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.943198][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.952053][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.953458][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.956587][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.154460][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.156197][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.157550][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.159012][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.160526][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.161797][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.204575][ T4441] chnl_net:caif_netlink_parms(): no params data found [ 41.227788][ T4441] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.229161][ T4441] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.230689][ T4441] device bridge_slave_0 entered promiscuous mode [ 41.232584][ T4441] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.233721][ T4441] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.235622][ T4441] device bridge_slave_1 entered promiscuous mode [ 41.242233][ T4441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.253681][ T4441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.260419][ T4441] team0: Port device team_slave_0 added [ 41.262414][ T4441] team0: Port device team_slave_1 added [ 41.267898][ T4441] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.269037][ T4441] 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. [ 41.273289][ T4441] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.277107][ T4441] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.278280][ T4441] 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. [ 41.282176][ T4441] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.346006][ T4441] device hsr_slave_0 entered promiscuous mode [ 41.385210][ T4441] device hsr_slave_1 entered promiscuous mode [ 41.425020][ T4441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.426340][ T4441] Cannot create hsr debugfs directory [ 41.545265][ T4441] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.194133][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.044883][ T4441] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.274142][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.535481][ T4441] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.636928][ T4441] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.927298][ T4441] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.026014][ T4441] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.065359][ T4441] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.156523][ T4441] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.294536][ T4441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.298709][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.300308][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.302652][ T4441] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.305460][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.307144][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.308743][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.309929][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.311351][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.314432][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.316298][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.317804][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.318947][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.321312][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.323917][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.327343][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.329259][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.330915][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.333309][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.335771][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.338606][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.340081][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.342515][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.345467][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.347824][ T4441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.354063][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.729399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.730862][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.734460][ T4441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.740203][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.742224][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.747694][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.749339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.750931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.752350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.756294][ T4441] device veth0_vlan entered promiscuous mode [ 47.759376][ T4441] device veth1_vlan entered promiscuous mode [ 47.797439][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.799140][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.801872][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.803519][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.806641][ T4441] device veth0_macvtap entered promiscuous mode [ 47.809028][ T4441] device veth1_macvtap entered promiscuous mode [ 47.813234][ T4441] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.815360][ T4441] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.817450][ T4441] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.818821][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.820365][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.821851][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.823456][ T251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.826854][ T4441] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.828526][ T4441] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.830513][ T4441] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.831831][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.833461][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.837217][ T4441] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.838650][ T4441] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.840037][ T4441] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.841498][ T4441] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.156043][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.157330][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.159131][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.166047][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.167369][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.169034][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.229256][ T1883] device hsr_slave_0 left promiscuous mode [ 48.265077][ T1883] device hsr_slave_1 left promiscuous mode [ 48.316322][ T4460] loop0: detected capacity change from 0 to 32768 [ 48.321788][ T4460] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.323100][ T4460] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.333854][ T4460] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 48.336221][ T112] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.337408][ T112] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.349831][ T112] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 48.352851][ T112] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.353845][ T4460] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.355123][ T1883] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.356613][ T1883] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.359041][ T1883] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.360316][ T1883] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.361842][ T1883] device bridge_slave_1 left promiscuous mode [ 48.363337][ T1883] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.404970][ T1883] device bridge_slave_0 left promiscuous mode [ 48.406192][ T1883] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.419218][ T4460] gfs2: fsid=syz:syz.0: found 1 quota changes [ 48.460652][ T4441] ------------[ cut here ]------------ [ 48.461681][ T4441] WARNING: CPU: 0 PID: 4441 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 48.463351][ T4441] Modules linked in: [ 48.464015][ T4441] CPU: 0 PID: 4441 Comm: syz-executor Not tainted syzkaller #0 [ 48.465349][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 48.467074][ T4441] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.468440][ T4441] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 48.469410][ T4441] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 48.470415][ T4441] sp : ffff800021197120 [ 48.471176][ T4441] x29: ffff800021197140 x28: 1fffff8000680d10 x27: dfff800000000000 [ 48.472646][ T4441] x26: 0000000000000000 x25: ffff0000c53abe98 x24: 0000000000000001 [ 48.474047][ T4441] x23: 0000000000000000 x22: fffffc0003406888 x21: 1fffe00018a757d3 [ 48.475520][ T4441] x20: ffff0000d5a4e250 x19: fffffc0003406880 x18: ffff800011babf60 [ 48.476954][ T4441] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 48.478429][ T4441] x14: 0000000000000001 x13: 1fffe00018a757d3 x12: 0000000000ff0100 [ 48.479967][ T4441] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 48.481364][ T4441] x8 : ffff0000cbb13800 x7 : ffff80000870a3dc x6 : 0000000000000000 [ 48.482783][ T4441] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a595a0 [ 48.484280][ T4441] x2 : ffff0000cf240060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.485795][ T4441] Call trace: [ 48.486359][ T4441] __folio_mark_dirty+0x8a0/0xcd8 [ 48.487255][ T4441] mark_buffer_dirty+0x2b8/0x5c0 [ 48.488091][ T4441] gfs2_unpin+0x120/0x8fc [ 48.488886][ T4441] buf_lo_after_commit+0x140/0x188 [ 48.489802][ T4441] __gfs2_log_flush+0x1290/0x1b38 [ 48.490723][ T4441] gfs2_log_flush+0x3c/0x58 [ 48.491562][ T4441] do_sync+0x8cc/0xaec [ 48.492312][ T4441] gfs2_quota_sync+0x2cc/0x500 [ 48.493188][ T4441] gfs2_sync_fs+0x4c/0xc4 [ 48.493978][ T4441] sync_filesystem+0xe8/0x218 [ 48.494815][ T4441] generic_shutdown_super+0x70/0x324 [ 48.495759][ T4441] kill_block_super+0x70/0xdc [ 48.496650][ T4441] gfs2_kill_sb+0xc0/0xd4 [ 48.497407][ T4441] deactivate_locked_super+0xac/0x120 [ 48.498328][ T4441] deactivate_super+0xe4/0x104 [ 48.499176][ T4441] cleanup_mnt+0x390/0x418 [ 48.499979][ T4441] __cleanup_mnt+0x20/0x30 [ 48.500747][ T4441] task_work_run+0x1ec/0x278 [ 48.501550][ T4441] do_exit+0x550/0x19b0 [ 48.502312][ T4441] do_group_exit+0x194/0x22c [ 48.503151][ T4441] get_signal+0x11cc/0x1304 [ 48.503972][ T4441] do_notify_resume+0x33c/0x2aa4 [ 48.504860][ T4441] el0_svc+0x98/0x128 [ 48.505559][ T4441] el0t_64_sync_handler+0x84/0xf0 [ 48.506402][ T4441] el0t_64_sync+0x18c/0x190 [ 48.507165][ T4441] irq event stamp: 163126 [ 48.507915][ T4441] hardirqs last enabled at (163125): [] folio_memcg_lock+0xe8/0x1f4 [ 48.509618][ T4441] hardirqs last disabled at (163126): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.511299][ T4441] softirqs last enabled at (160454): [] local_bh_enable+0x10/0x34 [ 48.512974][ T4441] softirqs last disabled at (160452): [] local_bh_disable+0x10/0x34 [ 48.514624][ T4441] ---[ end trace 0000000000000000 ]--- [ 48.519514][ T11] ------------[ cut here ]------------ [ 48.520559][ T11] WARNING: CPU: 1 PID: 11 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 48.522205][ T11] Modules linked in: [ 48.522793][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Tainted: G W syzkaller #0 [ 48.524051][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 48.525651][ T11] Workqueue: writeback wb_workfn (flush-7:0) [ 48.526735][ T11] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.528058][ T11] pc : __folio_start_writeback+0x88c/0xa7c [ 48.528974][ T11] lr : __folio_start_writeback+0x88c/0xa7c [ 48.529908][ T11] sp : ffff80001ca16c80 [ 48.530571][ T11] x29: ffff80001ca16d60 x28: dfff800000000000 x27: 0000000000000000 [ 48.531921][ T11] x26: ffff700003942d98 x25: 0000000000000000 x24: ffff0000d5a4ece0 [ 48.533286][ T11] x23: ffff80001ca16ce0 x22: ffff0000c53abcf0 x21: 0000000000000001 [ 48.534651][ T11] x20: fffffc0003445f08 x19: fffffc0003445f00 x18: ffff800011babf60 [ 48.536146][ T11] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 48.537522][ T11] x14: 0000000000000001 x13: 1fffff8000688be0 x12: 0000000000ff0100 [ 48.538885][ T11] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 48.540237][ T11] x8 : ffff0000c09ab800 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.541613][ T11] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870cbf0 [ 48.542987][ T11] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.544325][ T11] Call trace: [ 48.544896][ T11] __folio_start_writeback+0x88c/0xa7c [ 48.545882][ T11] set_page_writeback+0x5c/0x7c [ 48.546742][ T11] gfs2_aspace_writepage+0x514/0x6dc [ 48.547663][ T11] __writepage+0x70/0x184 [ 48.548435][ T11] write_cache_pages+0x74c/0xde8 [ 48.549336][ T11] do_writepages+0x318/0x504 [ 48.550151][ T11] filemap_fdatawrite_wbc+0x124/0x174 [ 48.551046][ T11] filemap_fdatawrite+0xd0/0x12c [ 48.551887][ T11] gfs2_write_inode+0x234/0x34c [ 48.552743][ T11] __writeback_single_inode+0x5e0/0x1554 [ 48.553691][ T11] writeback_sb_inodes+0x858/0x143c [ 48.554622][ T11] wb_writeback+0x414/0xfcc [ 48.555457][ T11] wb_workfn+0x360/0xe18 [ 48.556161][ T11] process_one_work+0x7f8/0x13a4 [ 48.556979][ T11] worker_thread+0x8c4/0xfec [ 48.557733][ T11] kthread+0x250/0x2d8 [ 48.558394][ T11] ret_from_fork+0x10/0x20 [ 48.559152][ T11] irq event stamp: 320472 [ 48.559849][ T11] hardirqs last enabled at (320471): [] folio_memcg_lock+0xe8/0x1f4 [ 48.561514][ T11] hardirqs last disabled at (320472): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.563112][ T11] softirqs last enabled at (320408): [] batadv_nc_purge_paths+0x2f0/0x378 [ 48.564639][ T11] softirqs last disabled at (320406): [] batadv_nc_purge_paths+0xd0/0x378 [ 48.566360][ T11] ---[ end trace 0000000000000000 ]--- [ 48.572598][ C1] ------------[ cut here ]------------ [ 48.573557][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 48.575302][ C1] Modules linked in: [ 48.575983][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 48.577513][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 48.579266][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.580759][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 48.581801][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 48.582862][ C1] sp : ffff80001cac7970 [ 48.583543][ C1] x29: ffff80001cac7990 x28: dfff800000000000 x27: ffff0000c53abcf0 [ 48.584885][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff8000688be0 [ 48.586279][ C1] x23: 0000000000000001 x22: ffff0000d5a4ece0 x21: ffff0000d5a4ece8 [ 48.587745][ C1] x20: 0000000000000001 x19: fffffc0003445f00 x18: ffff800011babf60 [ 48.589247][ C1] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 48.590848][ C1] x14: 0000000000000003 x13: 1ffff00003958f20 x12: 0000000000ff0100 [ 48.592433][ C1] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 48.594009][ C1] x8 : ffff0000c0a51c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.595522][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 48.596972][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.598417][ C1] Call trace: [ 48.598965][ C1] __folio_end_writeback+0x7d0/0x9cc [ 48.599871][ C1] folio_end_writeback+0x12c/0x410 [ 48.600758][ C1] end_page_writeback+0x58/0x74 [ 48.601538][ C1] end_buffer_async_write+0x32c/0x4f4 [ 48.602402][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 48.603289][ C1] bio_endio+0x750/0x794 [ 48.604015][ C1] blk_update_request+0x49c/0xbec [ 48.604879][ C1] blk_mq_end_request+0x54/0x88 [ 48.605671][ C1] lo_complete_rq+0x1ec/0x250 [ 48.606515][ C1] blk_done_softirq+0x11c/0x168 [ 48.607379][ C1] handle_softirqs+0x318/0xc60 [ 48.608250][ C1] run_ksoftirqd+0x7c/0x2ac [ 48.609019][ C1] smpboot_thread_fn+0x4b0/0x964 [ 48.609855][ C1] kthread+0x250/0x2d8 [ 48.610549][ C1] ret_from_fork+0x10/0x20 [ 48.611306][ C1] irq event stamp: 384171 [ 48.612031][ C1] hardirqs last enabled at (384170): [] folio_memcg_lock+0xe8/0x1f4 [ 48.613651][ C1] hardirqs last disabled at (384171): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.615276][ C1] softirqs last enabled at (384146): [] handle_softirqs+0xaec/0xc60 [ 48.616895][ C1] softirqs last disabled at (384151): [] run_ksoftirqd+0x7c/0x2ac [ 48.618505][ C1] ---[ end trace 0000000000000000 ]---