Warning: Permanently added '10.128.0.6' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 32.146430][ T4325] cgroup: Unknown subsys name 'net' [ 32.410566][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.695919][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.556833][ T4335] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.558352][ T4335] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.559727][ T4335] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.561402][ T4335] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.562762][ T4335] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.563965][ T4335] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.145696][ T4361] chnl_net:caif_netlink_parms(): no params data found [ 37.165644][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.166916][ T4361] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.169006][ T4361] device bridge_slave_0 entered promiscuous mode [ 37.171368][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.172538][ T4361] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.174065][ T4361] device bridge_slave_1 entered promiscuous mode [ 37.180945][ T4361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.183945][ T4361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.190439][ T4361] team0: Port device team_slave_0 added [ 37.192273][ T4361] team0: Port device team_slave_1 added [ 37.197373][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.198623][ T4361] 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. [ 37.202743][ T4361] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.205335][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.206397][ T4361] 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. [ 37.210816][ T4361] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.258869][ T4361] device hsr_slave_0 entered promiscuous mode [ 37.307903][ T4361] device hsr_slave_1 entered promiscuous mode [ 37.383978][ T4361] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.408869][ T4361] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.481184][ T4361] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.529019][ T4361] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.625471][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.626751][ T4361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.628299][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.629592][ T4361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.648237][ T4361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.652001][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.654300][ T1682] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.656237][ T1682] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.659285][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.663634][ T4361] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.667073][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.669404][ T1682] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.670672][ T1682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.674065][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.675477][ T1682] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.676769][ T1682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.683221][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.684966][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.688967][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.692339][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.695685][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.701443][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.762112][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.763494][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.766651][ T4361] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.773049][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.779762][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.781571][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.783164][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.785488][ T4361] device veth0_vlan entered promiscuous mode [ 37.788735][ T4361] device veth1_vlan entered promiscuous mode [ 37.794988][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.796451][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.806262][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.811190][ T4361] device veth0_macvtap entered promiscuous mode [ 37.813682][ T4361] device veth1_macvtap entered promiscuous mode [ 37.818859][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.820627][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.823435][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.825994][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.827586][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.830516][ T4361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.832029][ T4361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.833446][ T4361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.834876][ T4361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.461773][ T212] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.463106][ T212] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.465131][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.473810][ T212] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.475178][ T212] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.476739][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:38 executed programs: 0 [ 38.916933][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.919953][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.921492][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.922991][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.924571][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.925828][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.151546][ T1831] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.194098][ T4420] chnl_net:caif_netlink_parms(): no params data found [ 39.209145][ T4420] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.210489][ T4420] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.212057][ T4420] device bridge_slave_0 entered promiscuous mode [ 39.214054][ T4420] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.215377][ T4420] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.216851][ T4420] device bridge_slave_1 entered promiscuous mode [ 39.224210][ T4420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.226862][ T4420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.233195][ T4420] team0: Port device team_slave_0 added [ 39.234908][ T4420] team0: Port device team_slave_1 added [ 39.241319][ T4420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.242363][ T4420] 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. [ 39.246698][ T4420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.249335][ T4420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.250531][ T4420] 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. [ 39.254919][ T4420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.308833][ T4420] device hsr_slave_0 entered promiscuous mode [ 39.357907][ T4420] device hsr_slave_1 entered promiscuous mode [ 39.397781][ T4420] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.399085][ T4420] Cannot create hsr debugfs directory [ 40.998337][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 41.098824][ T1831] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.077755][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 43.128877][ T1831] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.229564][ T1831] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.558932][ T4420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.662521][ T4420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.749779][ T4420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.850113][ T4420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.948894][ T4420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.952358][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.953886][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.956397][ T4420] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.959734][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.961387][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.962897][ T1682] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.964128][ T1682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.965658][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.969014][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.970723][ T212] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.972205][ T212] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.973439][ T212] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.975830][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.978402][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.981374][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.983279][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.984866][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.987390][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.990212][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.993318][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.994944][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.997444][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.000639][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.157771][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 45.311678][ T4420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.362396][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.363844][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.421535][ T4420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.428354][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.430040][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.435704][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.437271][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.439212][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.440645][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.442978][ T4420] device veth0_vlan entered promiscuous mode [ 45.446813][ T4420] device veth1_vlan entered promiscuous mode [ 45.453030][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.454530][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.455942][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.457540][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.762628][ T4420] device veth0_macvtap entered promiscuous mode [ 45.765230][ T4420] device veth1_macvtap entered promiscuous mode [ 45.770361][ T4420] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 45.772268][ T4420] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.774458][ T4420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.775792][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.777471][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.779070][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.780503][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.783074][ T4420] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 45.784923][ T4420] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.787141][ T4420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.788525][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.790158][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.792541][ T4420] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.794066][ T4420] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.795611][ T4420] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.797062][ T4420] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.856093][ T1831] device hsr_slave_0 left promiscuous mode [ 45.898174][ T1831] device hsr_slave_1 left promiscuous mode [ 45.977780][ T1831] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.978997][ T1831] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.980769][ T1831] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.981959][ T1831] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.983368][ T1831] device bridge_slave_1 left promiscuous mode [ 45.984709][ T1831] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.018315][ T1831] device bridge_slave_0 left promiscuous mode [ 46.019400][ T1831] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.147880][ T1831] device veth1_macvtap left promiscuous mode [ 46.149112][ T1831] device veth0_macvtap left promiscuous mode [ 46.150147][ T1831] device veth1_vlan left promiscuous mode [ 46.151174][ T1831] device veth0_vlan left promiscuous mode [ 47.237713][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 48.419007][ T1831] team0 (unregistering): Port device team_slave_1 removed [ 48.578289][ T1831] team0 (unregistering): Port device team_slave_0 removed [ 48.748174][ T1831] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.949022][ T1831] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.498556][ T1831] bond0 (unregistering): Released all slaves [ 50.824281][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.825738][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.826978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.836678][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.838016][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.839528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.993244][ T4510] loop0: detected capacity change from 0 to 32768 [ 50.996939][ T4510] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.999491][ T4510] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.014680][ T4510] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.017163][ T4377] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.018469][ T4377] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.031832][ T4377] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 51.034573][ T4377] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.035640][ T4510] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.154707][ T4420] ------------[ cut here ]------------ [ 51.157092][ T4420] WARNING: CPU: 1 PID: 4420 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 51.159378][ T4420] Modules linked in: [ 51.160105][ T4420] CPU: 1 PID: 4420 Comm: syz-executor Not tainted syzkaller #0 [ 51.161434][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.163178][ T4420] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.164314][ T4420] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 51.165211][ T4420] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 51.166168][ T4420] sp : ffff8000209f76e0 [ 51.166978][ T4420] x29: ffff8000209f7700 x28: 1fffff8000675580 x27: dfff800000000000 [ 51.168331][ T4420] x26: 0000000000000000 x25: ffff0000c0543e90 x24: 0000000000000001 [ 51.169700][ T4420] x23: 0000000000000000 x22: fffffc00033aac08 x21: 1fffe000180a87d2 [ 51.171010][ T4420] x20: ffff0000df8da250 x19: fffffc00033aac00 x18: ffff800011b9bf60 [ 51.172236][ T4420] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 51.173449][ T4420] x14: 0000000000000001 x13: 1fffe000180a87d2 x12: 0000000000ff0100 [ 51.174761][ T4420] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 51.176215][ T4420] x8 : ffff0000d5903780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.177532][ T4420] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 51.178923][ T4420] x2 : ffff0000ceed6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.180351][ T4420] Call trace: [ 51.180911][ T4420] __folio_mark_dirty+0x8a0/0xcd8 [ 51.182028][ T4420] mark_buffer_dirty+0x2b8/0x5c0 [ 51.182924][ T4420] gfs2_unpin+0x120/0x8fc [ 51.183693][ T4420] buf_lo_after_commit+0x140/0x188 [ 51.184595][ T4420] gfs2_log_flush+0xc00/0x1b20 [ 51.185429][ T4420] gfs2_kill_sb+0x5c/0xd4 [ 51.186127][ T4420] deactivate_locked_super+0xac/0x120 [ 51.187034][ T4420] deactivate_super+0xe4/0x104 [ 51.187739][ T4420] cleanup_mnt+0x390/0x418 [ 51.188489][ T4420] __cleanup_mnt+0x20/0x30 [ 51.189138][ T4420] task_work_run+0x1ec/0x278 [ 51.189871][ T4420] do_notify_resume+0x1fa0/0x2aa4 [ 51.190718][ T4420] el0_svc+0x98/0x128 [ 51.191349][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 51.192202][ T4420] el0t_64_sync+0x18c/0x190 [ 51.192977][ T4420] irq event stamp: 149936 [ 51.193742][ T4420] hardirqs last enabled at (149935): [] folio_memcg_lock+0xe8/0x1f4 [ 51.195294][ T4420] hardirqs last disabled at (149936): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.196906][ T4420] softirqs last enabled at (149814): [] local_bh_enable+0x10/0x34 [ 51.198365][ T4420] softirqs last disabled at (149812): [] local_bh_disable+0x10/0x34 [ 51.199900][ T4420] ---[ end trace 0000000000000000 ]--- [ 51.220605][ T4420] ------------[ cut here ]------------ [ 51.221510][ T4420] WARNING: CPU: 1 PID: 4420 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 51.223299][ T4420] Modules linked in: [ 51.223957][ T4420] CPU: 1 PID: 4420 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.225441][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.226913][ T4420] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.228137][ T4420] pc : __folio_start_writeback+0x88c/0xa7c [ 51.229145][ T4420] lr : __folio_start_writeback+0x88c/0xa7c [ 51.230080][ T4420] sp : ffff8000209f7180 [ 51.230865][ T4420] x29: ffff8000209f7260 x28: dfff800000000000 x27: 0000000000000000 [ 51.232266][ T4420] x26: ffff70000413ee38 x25: 0000000000000000 x24: ffff0000df8da250 [ 51.233597][ T4420] x23: ffff8000209f71e0 x22: ffff0000c0543ce8 x21: 0000000000000001 [ 51.234849][ T4420] x20: fffffc00033aac08 x19: fffffc00033aac00 x18: ffff800011b9bf60 [ 51.236114][ T4420] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.237561][ T4420] x14: 0000000000000001 x13: 1fffff8000675580 x12: 0000000000ff0100 [ 51.238915][ T4420] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 51.240322][ T4420] x8 : ffff0000d5903780 x7 : ffff80000870c070 x6 : 0000000000000000 [ 51.241660][ T4420] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 51.243053][ T4420] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.244360][ T4420] Call trace: [ 51.244934][ T4420] __folio_start_writeback+0x88c/0xa7c [ 51.245972][ T4420] set_page_writeback+0x5c/0x7c [ 51.246705][ T4420] gfs2_aspace_writepage+0x514/0x6dc [ 51.247571][ T4420] __gfs2_writepage+0x70/0x184 [ 51.248238][ T4420] write_cache_pages+0x74c/0xde8 [ 51.248916][ T4420] gfs2_ail1_flush+0x7c4/0xa14 [ 51.249577][ T4420] empty_ail1_list+0x130/0x214 [ 51.250362][ T4420] gfs2_log_flush+0x12b4/0x1b20 [ 51.251181][ T4420] gfs2_kill_sb+0x5c/0xd4 [ 51.251924][ T4420] deactivate_locked_super+0xac/0x120 [ 51.252760][ T4420] deactivate_super+0xe4/0x104 [ 51.253536][ T4420] cleanup_mnt+0x390/0x418 [ 51.254254][ T4420] __cleanup_mnt+0x20/0x30 [ 51.255040][ T4420] task_work_run+0x1ec/0x278 [ 51.255780][ T4420] do_notify_resume+0x1fa0/0x2aa4 [ 51.256599][ T4420] el0_svc+0x98/0x128 [ 51.257297][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 51.258149][ T4420] el0t_64_sync+0x18c/0x190 [ 51.258824][ T4420] irq event stamp: 149974 [ 51.259486][ T4420] hardirqs last enabled at (149973): [] folio_memcg_lock+0xe8/0x1f4 [ 51.261131][ T4420] hardirqs last disabled at (149974): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.262711][ T4420] softirqs last enabled at (149950): [] handle_softirqs+0xaec/0xc60 [ 51.264431][ T4420] softirqs last disabled at (149939): [] __do_softirq+0x14/0x20 [ 51.266058][ T4420] ---[ end trace 0000000000000000 ]--- [ 51.269224][ C0] ------------[ cut here ]------------ [ 51.270138][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.271565][ C0] Modules linked in: [ 51.272229][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.273688][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.275201][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.276437][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.277346][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.278303][ C0] sp : ffff80001ca27970 [ 51.279046][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c0543ce8 [ 51.280379][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000656a10 [ 51.281906][ C0] x23: 0000000000000001 x22: ffff0000df8d82a0 x21: ffff0000df8d82a8 [ 51.283215][ C0] x20: 0000000000000001 x19: fffffc00032b5080 x18: ffff800011b9bf60 [ 51.284578][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 51.285987][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 51.287247][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 51.288689][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.289975][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.291357][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.292714][ C0] Call trace: [ 51.293302][ C0] __folio_end_writeback+0x7d0/0x9cc [ 51.294275][ C0] folio_end_writeback+0x12c/0x410 [ 51.295178][ C0] end_page_writeback+0x58/0x74 [ 51.296056][ C0] end_buffer_async_write+0x32c/0x4f4 [ 51.297005][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 51.297982][ C0] bio_endio+0x750/0x794 [ 51.298694][ C0] blk_update_request+0x49c/0xbec [ 51.299541][ C0] blk_mq_end_request+0x54/0x88 [ 51.300444][ C0] lo_complete_rq+0x1ec/0x250 [ 51.301211][ C0] blk_done_softirq+0x11c/0x168 [ 51.302015][ C0] handle_softirqs+0x318/0xc60 [ 51.302861][ C0] run_ksoftirqd+0x7c/0x2ac [ 51.303654][ C0] smpboot_thread_fn+0x4b0/0x964 [ 51.304505][ C0] kthread+0x250/0x2d8 [ 51.305109][ C0] ret_from_fork+0x10/0x20 [ 51.305811][ C0] irq event stamp: 391299 [ 51.306537][ C0] hardirqs last enabled at (391298): [] folio_memcg_lock+0xe8/0x1f4 [ 51.308182][ C0] hardirqs last disabled at (391299): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.309930][ C0] softirqs last enabled at (391288): [] handle_softirqs+0xaec/0xc60 [ 51.311298][ C0] softirqs last disabled at (391293): [] run_ksoftirqd+0x7c/0x2ac [ 51.312798][ C0] ---[ end trace 0000000000000000 ]---