Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. 1970/01/01 00:00:35 parsed 1 programs [ 36.202158][ T4325] cgroup: Unknown subsys name 'net' [ 36.469687][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 36.748094][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 41.120497][ T4363] chnl_net:caif_netlink_parms(): no params data found [ 41.137842][ T4363] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.139009][ T4363] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.140757][ T4363] device bridge_slave_0 entered promiscuous mode [ 41.143145][ T4363] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.144297][ T4363] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.145917][ T4363] device bridge_slave_1 entered promiscuous mode [ 41.153282][ T4363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.155716][ T4363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.164218][ T4363] team0: Port device team_slave_0 added [ 41.165969][ T4363] team0: Port device team_slave_1 added [ 41.171969][ T4363] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.173127][ T4363] 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. [ 41.177714][ T4363] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.180291][ T4363] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.181367][ T4363] 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. [ 41.185869][ T4363] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.228757][ T4363] device hsr_slave_0 entered promiscuous mode [ 41.277214][ T4363] device hsr_slave_1 entered promiscuous mode [ 41.352708][ T4363] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.399303][ T4363] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.459175][ T4363] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.508029][ T4363] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.566628][ T4363] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.567956][ T4363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.569507][ T4363] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.570736][ T4363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.588167][ T4363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.592374][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.594677][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.596362][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.600739][ T4363] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.603537][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.605314][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.606594][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.643103][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.644930][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.646447][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.647711][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.654876][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.656712][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.658613][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.660265][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.662002][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.668363][ T4363] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.670079][ T4363] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.673240][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.674859][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.676401][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.679235][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.681493][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.683096][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.684671][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.737194][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.738642][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.742191][ T4363] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.752822][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.754426][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.757574][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.759234][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.760798][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.762244][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.764485][ T4363] device veth0_vlan entered promiscuous mode [ 41.768154][ T4363] device veth1_vlan entered promiscuous mode [ 41.774453][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.775941][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.778886][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.780454][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.783076][ T4363] device veth0_macvtap entered promiscuous mode [ 41.785780][ T4363] device veth1_macvtap entered promiscuous mode [ 41.797519][ T4363] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.798891][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.800531][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.802009][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.803627][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.806594][ T4363] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.808596][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.810164][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.812941][ T4363] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.814403][ T4363] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.815875][ T4363] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.817713][ T4363] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.979619][ T1573] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.981050][ T1573] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.983621][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.991881][ T1852] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.993157][ T1852] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.994446][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.343307][ T4410] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.344951][ T4410] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.346277][ T4410] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.353532][ T4410] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.354896][ T4410] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.356200][ T4410] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:42 executed programs: 0 [ 42.826367][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.835836][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.839720][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.841301][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.842660][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.844733][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.901483][ T4426] chnl_net:caif_netlink_parms(): no params data found [ 42.917705][ T4426] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.918994][ T4426] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.920605][ T4426] device bridge_slave_0 entered promiscuous mode [ 42.922643][ T4426] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.923834][ T4426] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.925390][ T4426] device bridge_slave_1 entered promiscuous mode [ 42.931841][ T4426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.934356][ T4426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.220228][ T568] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.233527][ T4426] team0: Port device team_slave_0 added [ 43.235208][ T4426] team0: Port device team_slave_1 added [ 43.241236][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.242319][ T4426] 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. [ 43.246635][ T4426] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.249321][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.250411][ T4426] 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. [ 43.254815][ T4426] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.278592][ T4426] device hsr_slave_0 entered promiscuous mode [ 43.317148][ T4426] device hsr_slave_1 entered promiscuous mode [ 43.357024][ T4426] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.358364][ T4426] Cannot create hsr debugfs directory [ 44.877506][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 45.168075][ T568] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.956927][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 47.480531][ T568] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.559064][ T568] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.538118][ T4426] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.652592][ T4426] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.728940][ T4426] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.768565][ T4426] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.937670][ T4426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.941115][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.942667][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.945134][ T4426] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.947774][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.949369][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.950860][ T1573] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.952101][ T1573] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.953681][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.955974][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.958974][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.960480][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.961904][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.999982][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.002814][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.005413][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.007544][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.009179][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.011722][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.013246][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.015877][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.017487][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.020291][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.021801][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.024291][ T4426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.037205][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.104013][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.105371][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.109006][ T4426] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.114295][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.116017][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.122116][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.123770][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.125360][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.126755][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.179254][ T4426] device veth0_vlan entered promiscuous mode [ 49.182808][ T4426] device veth1_vlan entered promiscuous mode [ 49.190154][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.191780][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.193247][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.194875][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.197261][ T4426] device veth0_macvtap entered promiscuous mode [ 49.199594][ T4426] device veth1_macvtap entered promiscuous mode [ 49.203783][ T4426] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 49.205585][ T4426] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.207990][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.209231][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.210811][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.212234][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.213907][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.216221][ T4426] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 49.218312][ T4426] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.220836][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.279758][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.281881][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.284871][ T4426] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.286362][ T4426] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.287948][ T4426] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.289596][ T4426] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.308006][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.311315][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.312787][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.351135][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.352375][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.353874][ T1573] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.535022][ T4490] loop0: detected capacity change from 0 to 32768 [ 49.543026][ T4490] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.544629][ T4490] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.554155][ T4490] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.556672][ T4453] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.557985][ T4453] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.570937][ T4453] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 49.572891][ T4453] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.573903][ T4490] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.663003][ T4490] gfs2: fsid=syz:syz.0: found 1 quota changes [ 49.689655][ T4426] ------------[ cut here ]------------ [ 49.690663][ T4426] WARNING: CPU: 0 PID: 4426 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 49.692292][ T4426] Modules linked in: [ 49.692945][ T4426] CPU: 0 PID: 4426 Comm: syz-executor Not tainted syzkaller #0 [ 49.694156][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.695944][ T4426] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.697250][ T4426] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 49.698170][ T4426] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 49.699117][ T4426] sp : ffff800021307160 [ 49.699894][ T4426] x29: ffff800021307180 x28: 1fffff80006e0910 x27: dfff800000000000 [ 49.701252][ T4426] x26: 0000000000000000 x25: ffff0000c57ebe90 x24: 0000000000000001 [ 49.702630][ T4426] x23: 0000000000000000 x22: fffffc0003704888 x21: 1fffe00018afd7d2 [ 49.704011][ T4426] x20: ffff0000d542a250 x19: fffffc0003704880 x18: ffff800011b9bf60 [ 49.705387][ T4426] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 49.706737][ T4426] x14: 0000000000000001 x13: 1fffe00018afd7d2 x12: 0000000000ff0100 [ 49.708205][ T4426] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 49.709641][ T4426] x8 : ffff0000da0f0000 x7 : ffff80000870989c x6 : 0000000000000000 [ 49.711011][ T4426] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a58a88 [ 49.712371][ T4426] x2 : ffff0000cef0a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.713724][ T4426] Call trace: [ 49.714293][ T4426] __folio_mark_dirty+0x8a0/0xcd8 [ 49.715154][ T4426] mark_buffer_dirty+0x2b8/0x5c0 [ 49.716066][ T4426] gfs2_unpin+0x120/0x8fc [ 49.716883][ T4426] buf_lo_after_commit+0x140/0x188 [ 49.717768][ T4426] gfs2_log_flush+0xc00/0x1b20 [ 49.718608][ T4426] do_sync+0x8cc/0xaec [ 49.719376][ T4426] gfs2_quota_sync+0x2cc/0x500 [ 49.720198][ T4426] gfs2_sync_fs+0x4c/0xc4 [ 49.720974][ T4426] sync_filesystem+0xe8/0x218 [ 49.721803][ T4426] generic_shutdown_super+0x70/0x324 [ 49.722733][ T4426] kill_block_super+0x70/0xdc [ 49.723522][ T4426] gfs2_kill_sb+0xc0/0xd4 [ 49.724296][ T4426] deactivate_locked_super+0xac/0x120 [ 49.725247][ T4426] deactivate_super+0xe4/0x104 [ 49.726073][ T4426] cleanup_mnt+0x390/0x418 [ 49.726852][ T4426] __cleanup_mnt+0x20/0x30 [ 49.727630][ T4426] task_work_run+0x1ec/0x278 [ 49.728411][ T4426] do_exit+0x550/0x19b0 [ 49.729168][ T4426] do_group_exit+0x194/0x22c [ 49.730010][ T4426] get_signal+0x11cc/0x1304 [ 49.730872][ T4426] do_notify_resume+0x33c/0x2aa4 [ 49.731741][ T4426] el0_svc+0x98/0x128 [ 49.732457][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 49.733384][ T4426] el0t_64_sync+0x18c/0x190 [ 49.734165][ T4426] irq event stamp: 156788 [ 49.734935][ T4426] hardirqs last enabled at (156787): [] folio_memcg_lock+0xe8/0x1f4 [ 49.736667][ T4426] hardirqs last disabled at (156788): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.738509][ T4426] softirqs last enabled at (154094): [] local_bh_enable+0x10/0x34 [ 49.740222][ T4426] softirqs last disabled at (154092): [] local_bh_disable+0x10/0x34 [ 49.741920][ T4426] ---[ end trace 0000000000000000 ]--- [ 49.748529][ T1852] ------------[ cut here ]------------ [ 49.749505][ T1852] WARNING: CPU: 0 PID: 1852 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 49.751411][ T1852] Modules linked in: [ 49.752115][ T1852] CPU: 0 PID: 1852 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 49.753593][ T1852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.755323][ T1852] Workqueue: writeback wb_workfn (flush-7:0) [ 49.756340][ T1852] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.757717][ T1852] pc : __folio_start_writeback+0x88c/0xa7c [ 49.758751][ T1852] lr : __folio_start_writeback+0x88c/0xa7c [ 49.759743][ T1852] sp : ffff800025386c80 [ 49.760422][ T1852] x29: ffff800025386d60 x28: dfff800000000000 x27: 0000000000000000 [ 49.761757][ T1852] x26: ffff700004a70d98 x25: 0000000000000000 x24: ffff0000d542ace0 [ 49.763176][ T1852] x23: ffff800025386ce0 x22: ffff0000c57ebce8 x21: 0000000000000001 [ 49.764673][ T1852] x20: fffffc00030e64c8 x19: fffffc00030e64c0 x18: ffff800011b9bf60 [ 49.766056][ T1852] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 49.767417][ T1852] x14: 0000000000000001 x13: 1fffff800061cc98 x12: 0000000000ff0100 [ 49.768800][ T1852] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 49.770172][ T1852] x8 : ffff0000d0011bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.771589][ T1852] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870c0b0 [ 49.772911][ T1852] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.774337][ T1852] Call trace: [ 49.774926][ T1852] __folio_start_writeback+0x88c/0xa7c [ 49.775905][ T1852] set_page_writeback+0x5c/0x7c [ 49.776812][ T1852] gfs2_aspace_writepage+0x514/0x6dc [ 49.777761][ T1852] __writepage+0x70/0x184 [ 49.778547][ T1852] write_cache_pages+0x74c/0xde8 [ 49.779397][ T1852] do_writepages+0x318/0x504 [ 49.780258][ T1852] filemap_fdatawrite_wbc+0x124/0x174 [ 49.781177][ T1852] filemap_fdatawrite+0xd0/0x12c [ 49.782015][ T1852] gfs2_write_inode+0x234/0x34c [ 49.782869][ T1852] __writeback_single_inode+0x5e0/0x1554 [ 49.783886][ T1852] writeback_sb_inodes+0x858/0x143c [ 49.784815][ T1852] wb_writeback+0x414/0xfcc [ 49.785604][ T1852] wb_workfn+0x360/0xe18 [ 49.786363][ T1852] process_one_work+0x7f8/0x13a4 [ 49.787229][ T1852] worker_thread+0x8c4/0xfec [ 49.788057][ T1852] kthread+0x250/0x2d8 [ 49.788791][ T1852] ret_from_fork+0x10/0x20 [ 49.789576][ T1852] irq event stamp: 280378 [ 49.790336][ T1852] hardirqs last enabled at (280377): [] folio_memcg_lock+0xe8/0x1f4 [ 49.792036][ T1852] hardirqs last disabled at (280378): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.793817][ T1852] softirqs last enabled at (280322): [] ieee80211_ibss_work+0x2a8/0xd68 [ 49.795620][ T1852] softirqs last disabled at (280320): [] ieee80211_ibss_work+0xdc/0xd68 [ 49.797491][ T1852] ---[ end trace 0000000000000000 ]--- [ 49.802163][ C1] ------------[ cut here ]------------ [ 49.803156][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.804912][ C1] Modules linked in: [ 49.805560][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.807106][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.808987][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.810399][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 49.811447][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 49.812372][ C1] sp : ffff80001ca97970 [ 49.813085][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c57ebce8 [ 49.814390][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff800061cc98 [ 49.815807][ C1] x23: 0000000000000001 x22: ffff0000d542ace0 x21: ffff0000d542ace8 [ 49.817211][ C1] x20: 0000000000000001 x19: fffffc00030e64c0 x18: ffff800011b9bf60 [ 49.818637][ C1] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 49.820019][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 49.821302][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 49.822755][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.824233][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.825723][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.827072][ C1] Call trace: [ 49.827573][ C1] __folio_end_writeback+0x7d0/0x9cc [ 49.828474][ C1] folio_end_writeback+0x12c/0x410 [ 49.829388][ C1] end_page_writeback+0x58/0x74 [ 49.830205][ C1] end_buffer_async_write+0x32c/0x4f4 [ 49.831159][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 49.832013][ C1] bio_endio+0x750/0x794 [ 49.832774][ C1] blk_update_request+0x49c/0xbec [ 49.833656][ C1] blk_mq_end_request+0x54/0x88 [ 49.834501][ C1] lo_complete_rq+0x1ec/0x250 [ 49.835308][ C1] blk_done_softirq+0x11c/0x168 [ 49.836144][ C1] handle_softirqs+0x318/0xc60 [ 49.837015][ C1] run_ksoftirqd+0x7c/0x2ac [ 49.837825][ C1] smpboot_thread_fn+0x4b0/0x964 [ 49.838724][ C1] kthread+0x250/0x2d8 [ 49.839397][ C1] ret_from_fork+0x10/0x20 [ 49.840188][ C1] irq event stamp: 385637 [ 49.840960][ C1] hardirqs last enabled at (385636): [] folio_memcg_lock+0xe8/0x1f4 [ 49.842724][ C1] hardirqs last disabled at (385637): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.844542][ C1] softirqs last enabled at (385612): [] handle_softirqs+0xaec/0xc60 [ 49.846183][ C1] softirqs last disabled at (385617): [] run_ksoftirqd+0x7c/0x2ac [ 49.847832][ C1] ---[ end trace 0000000000000000 ]---