Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 32.085929][ T4338] cgroup: Unknown subsys name 'net' [ 32.330767][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.634371][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.512285][ T1690] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.513580][ T1690] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.518585][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.526245][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.527570][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.530897][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.758734][ T4391] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.760308][ T4391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.761636][ T4391] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.763199][ T4391] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.764573][ T4391] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.765783][ T4391] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.197962][ T4422] chnl_net:caif_netlink_parms(): no params data found [ 40.216310][ T4422] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.217575][ T4422] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.220224][ T4422] device bridge_slave_0 entered promiscuous mode [ 40.222552][ T4422] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.223813][ T4422] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.225520][ T4422] device bridge_slave_1 entered promiscuous mode [ 40.234430][ T4422] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.236935][ T4422] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.243873][ T4422] team0: Port device team_slave_0 added [ 40.245566][ T4422] team0: Port device team_slave_1 added [ 40.250892][ T4422] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.252170][ T4422] 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. [ 40.256629][ T4422] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.259701][ T4422] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.260814][ T4422] 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. [ 40.265214][ T4422] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.310181][ T4422] device hsr_slave_0 entered promiscuous mode [ 40.358309][ T4422] device hsr_slave_1 entered promiscuous mode [ 40.442998][ T4422] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.479564][ T4422] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.519373][ T4422] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.579365][ T4422] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.651181][ T4422] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.654639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.656528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.671120][ T4422] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.673762][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.675443][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.677014][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.678191][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.680190][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.682920][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.684568][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.686263][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.687479][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.690868][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.693564][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.696208][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.698605][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.700300][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.702938][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.704680][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.707485][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.713922][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.723766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.725410][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.728489][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.784473][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.785948][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.790039][ T4422] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.796370][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.798032][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.804969][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.806632][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.808681][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.810032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.812699][ T4422] device veth0_vlan entered promiscuous mode [ 40.816547][ T4422] device veth1_vlan entered promiscuous mode [ 40.834920][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.836582][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.838917][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.840568][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.843025][ T4422] device veth0_macvtap entered promiscuous mode [ 40.845398][ T4422] device veth1_macvtap entered promiscuous mode [ 40.850679][ T4422] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.851983][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.853657][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.855166][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.856661][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.870123][ T4422] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.871439][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.873164][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.876323][ T4422] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.877852][ T4422] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.879719][ T4422] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.881070][ T4422] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.465497][ T4391] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.467333][ T4391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.469332][ T4391] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.471086][ T4391] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.472524][ T4391] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.473824][ T4391] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.860759][ T4445] chnl_net:caif_netlink_parms(): no params data found [ 41.887039][ T4445] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.888470][ T4445] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.890055][ T4445] device bridge_slave_0 entered promiscuous mode [ 41.892221][ T4445] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.893437][ T4445] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.894837][ T4445] device bridge_slave_1 entered promiscuous mode [ 41.901492][ T4445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.903876][ T4445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.911520][ T4445] team0: Port device team_slave_0 added [ 41.913254][ T4445] team0: Port device team_slave_1 added [ 41.920613][ T4445] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.921880][ T4445] 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. [ 41.926401][ T4445] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.028505][ T4445] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.029751][ T4445] 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. [ 42.034296][ T4445] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.339159][ T4445] device hsr_slave_0 entered promiscuous mode [ 42.378262][ T4445] device hsr_slave_1 entered promiscuous mode [ 42.418156][ T4445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.419624][ T4445] Cannot create hsr debugfs directory [ 42.569218][ T4445] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.518417][ T4391] Bluetooth: hci0: command 0x0409 tx timeout [ 45.598101][ T4391] Bluetooth: hci0: command 0x041b tx timeout [ 45.818950][ T4445] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.419383][ T4445] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.520027][ T4445] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.790128][ T4445] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.871562][ T4445] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.899168][ T4445] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.002684][ T4445] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.101260][ T4445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.104569][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.105996][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.108668][ T4445] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.110923][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.112523][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.113933][ T538] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.115172][ T538] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.116725][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.213162][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.215228][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.216737][ T538] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.217893][ T538] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.220439][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.223131][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.225814][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.227626][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.229793][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.232366][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.234017][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.237768][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.239314][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.242063][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.243531][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.245914][ T4445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.316175][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.317633][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.322339][ T4445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.327827][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.329761][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.335549][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.337056][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.339532][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.340955][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.344893][ T295] device hsr_slave_0 left promiscuous mode [ 47.378442][ T295] device hsr_slave_1 left promiscuous mode [ 47.458186][ T295] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.459552][ T295] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.461233][ T295] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.462494][ T295] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.464459][ T295] device bridge_slave_1 left promiscuous mode [ 47.465950][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.498870][ T295] device bridge_slave_0 left promiscuous mode [ 47.500260][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.648395][ T295] device veth1_macvtap left promiscuous mode [ 47.649457][ T295] device veth0_macvtap left promiscuous mode [ 47.650474][ T295] device veth1_vlan left promiscuous mode [ 47.651469][ T295] device veth0_vlan left promiscuous mode [ 47.678114][ T4391] Bluetooth: hci0: command 0x040f tx timeout [ 49.739925][ T295] team0 (unregistering): Port device team_slave_1 removed [ 49.758109][ T4393] Bluetooth: hci0: command 0x0419 tx timeout [ 49.899493][ T295] team0 (unregistering): Port device team_slave_0 removed [ 50.078880][ T295] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.298439][ T295] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.889758][ T295] bond0 (unregistering): Released all slaves [ 52.193061][ T4445] device veth0_vlan entered promiscuous mode [ 52.196764][ T4445] device veth1_vlan entered promiscuous mode [ 52.201918][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.209837][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.211552][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.213892][ T4445] device veth0_macvtap entered promiscuous mode [ 52.216156][ T4445] device veth1_macvtap entered promiscuous mode [ 52.220800][ T4445] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.222127][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.223758][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.225278][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.226884][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.232116][ T4445] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.234205][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.235824][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.237772][ T4445] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.240621][ T4445] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.242075][ T4445] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.243557][ T4445] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.269206][ T1690] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.271188][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.272572][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.274450][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.275327][ T1690] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.276929][ T1690] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.433578][ T4459] loop0: detected capacity change from 0 to 32768 [ 52.439548][ T4459] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.441038][ T4459] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.453425][ T4459] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.455840][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.456905][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.470479][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 52.473069][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.474121][ T4459] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.596702][ T4445] ------------[ cut here ]------------ [ 52.597818][ T4445] WARNING: CPU: 1 PID: 4445 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 52.599503][ T4445] Modules linked in: [ 52.600198][ T4445] CPU: 1 PID: 4445 Comm: syz-executor Not tainted syzkaller #0 [ 52.601535][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.603268][ T4445] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.604593][ T4445] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 52.605540][ T4445] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 52.606454][ T4445] sp : ffff8000213a76e0 [ 52.607177][ T4445] x29: ffff8000213a7700 x28: 1fffff800069db38 x27: dfff800000000000 [ 52.608579][ T4445] x26: 0000000000000000 x25: ffff0000c0481d90 x24: 0000000000000001 [ 52.609939][ T4445] x23: 0000000000000000 x22: fffffc00034ed9c8 x21: 1fffe000180903b2 [ 52.611328][ T4445] x20: ffff0000da636250 x19: fffffc00034ed9c0 x18: ffff800011b9bf60 [ 52.612688][ T4445] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 52.614148][ T4445] x14: 0000000000000001 x13: 1fffe000180903b2 x12: 0000000000ff0100 [ 52.615547][ T4445] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 52.616935][ T4445] x8 : ffff0000ce3f8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.618352][ T4445] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 52.619760][ T4445] x2 : ffff0000cf120060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.621081][ T4445] Call trace: [ 52.621636][ T4445] __folio_mark_dirty+0x8a0/0xcd8 [ 52.622500][ T4445] mark_buffer_dirty+0x2b8/0x5c0 [ 52.623333][ T4445] gfs2_unpin+0x120/0x8fc [ 52.624071][ T4445] buf_lo_after_commit+0x140/0x188 [ 52.624954][ T4445] gfs2_log_flush+0xc00/0x1b20 [ 52.625787][ T4445] gfs2_kill_sb+0x5c/0xd4 [ 52.626525][ T4445] deactivate_locked_super+0xac/0x120 [ 52.627498][ T4445] deactivate_super+0xe4/0x104 [ 52.628354][ T4445] cleanup_mnt+0x390/0x418 [ 52.629126][ T4445] __cleanup_mnt+0x20/0x30 [ 52.629887][ T4445] task_work_run+0x1ec/0x278 [ 52.630709][ T4445] do_notify_resume+0x1fa0/0x2aa4 [ 52.631597][ T4445] el0_svc+0x98/0x128 [ 52.632302][ T4445] el0t_64_sync_handler+0x84/0xf0 [ 52.633198][ T4445] el0t_64_sync+0x18c/0x190 [ 52.633967][ T4445] irq event stamp: 161146 [ 52.634666][ T4445] hardirqs last enabled at (161145): [] exit_to_kernel_mode+0xcc/0xfc [ 52.636304][ T4445] hardirqs last disabled at (161146): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.638071][ T4445] softirqs last enabled at (161026): [] local_bh_enable+0x10/0x34 [ 52.639659][ T4445] softirqs last disabled at (161024): [] local_bh_disable+0x10/0x34 [ 52.641269][ T4445] ---[ end trace 0000000000000000 ]--- [ 52.644218][ T4445] ------------[ cut here ]------------ [ 52.645001][ T4445] WARNING: CPU: 1 PID: 4445 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 52.646670][ T4445] Modules linked in: [ 52.647303][ T4445] CPU: 1 PID: 4445 Comm: syz-executor Tainted: G W syzkaller #0 [ 52.648810][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.650575][ T4445] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.651925][ T4445] pc : __folio_start_writeback+0x88c/0xa7c [ 52.652931][ T4445] lr : __folio_start_writeback+0x88c/0xa7c [ 52.653914][ T4445] sp : ffff8000213a7180 [ 52.654625][ T4445] x29: ffff8000213a7260 x28: dfff800000000000 x27: 0000000000000000 [ 52.656000][ T4445] x26: ffff700004274e38 x25: 0000000000000000 x24: ffff0000da636250 [ 52.657366][ T4445] x23: ffff8000213a71e0 x22: ffff0000c0481be8 x21: 0000000000000001 [ 52.658731][ T4445] x20: fffffc00034ed9c8 x19: fffffc00034ed9c0 x18: ffff800011b9bf60 [ 52.660119][ T4445] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 52.661512][ T4445] x14: 0000000000000001 x13: 1fffff800069db38 x12: 0000000000ff0100 [ 52.662842][ T4445] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 52.664181][ T4445] x8 : ffff0000ce3f8000 x7 : ffff80000870c070 x6 : 0000000000000000 [ 52.665573][ T4445] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 52.666818][ T4445] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.668126][ T4445] Call trace: [ 52.668670][ T4445] __folio_start_writeback+0x88c/0xa7c [ 52.669618][ T4445] set_page_writeback+0x5c/0x7c [ 52.670464][ T4445] gfs2_aspace_writepage+0x514/0x6dc [ 52.671365][ T4445] __gfs2_writepage+0x70/0x184 [ 52.672184][ T4445] write_cache_pages+0x74c/0xde8 [ 52.673033][ T4445] gfs2_ail1_flush+0x7c4/0xa14 [ 52.673883][ T4445] empty_ail1_list+0x130/0x214 [ 52.674711][ T4445] gfs2_log_flush+0x12b4/0x1b20 [ 52.675512][ T4445] gfs2_kill_sb+0x5c/0xd4 [ 52.676247][ T4445] deactivate_locked_super+0xac/0x120 [ 52.677199][ T4445] deactivate_super+0xe4/0x104 [ 52.678037][ T4445] cleanup_mnt+0x390/0x418 [ 52.678794][ T4445] __cleanup_mnt+0x20/0x30 [ 52.679579][ T4445] task_work_run+0x1ec/0x278 [ 52.680388][ T4445] do_notify_resume+0x1fa0/0x2aa4 [ 52.681233][ T4445] el0_svc+0x98/0x128 [ 52.681951][ T4445] el0t_64_sync_handler+0x84/0xf0 [ 52.682846][ T4445] el0t_64_sync+0x18c/0x190 [ 52.683607][ T4445] irq event stamp: 161228 [ 52.684346][ T4445] hardirqs last enabled at (161227): [] folio_memcg_lock+0xe8/0x1f4 [ 52.685994][ T4445] hardirqs last disabled at (161228): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.687711][ T4445] softirqs last enabled at (161206): [] handle_softirqs+0xaec/0xc60 [ 52.689356][ T4445] softirqs last disabled at (161149): [] __do_softirq+0x14/0x20 [ 52.690936][ T4445] ---[ end trace 0000000000000000 ]--- [ 52.693738][ C0] ------------[ cut here ]------------ [ 52.694774][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.696314][ C0] Modules linked in: [ 52.696967][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 52.698507][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.700299][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.701639][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.702617][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.703598][ C0] sp : ffff80001ca27970 [ 52.704325][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c0481be8 [ 52.705741][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006e6750 [ 52.707128][ C0] x23: 0000000000000001 x22: ffff0000da6342a0 x21: ffff0000da6342a8 [ 52.708594][ C0] x20: 0000000000000001 x19: fffffc0003733a80 x18: ffff800011b9bf60 [ 52.709993][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 52.711429][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 52.712871][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 52.714241][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.715624][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.717021][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.718414][ C0] Call trace: [ 52.718976][ C0] __folio_end_writeback+0x7d0/0x9cc [ 52.719887][ C0] folio_end_writeback+0x12c/0x410 [ 52.720770][ C0] end_page_writeback+0x58/0x74 [ 52.721626][ C0] end_buffer_async_write+0x32c/0x4f4 [ 52.722538][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 52.723417][ C0] bio_endio+0x750/0x794 [ 52.724194][ C0] blk_update_request+0x49c/0xbec [ 52.725093][ C0] blk_mq_end_request+0x54/0x88 [ 52.725961][ C0] lo_complete_rq+0x1ec/0x250 [ 52.726762][ C0] blk_done_softirq+0x11c/0x168 [ 52.727588][ C0] handle_softirqs+0x318/0xc60 [ 52.728398][ C0] run_ksoftirqd+0x7c/0x2ac [ 52.729215][ C0] smpboot_thread_fn+0x4b0/0x964 [ 52.730042][ C0] kthread+0x250/0x2d8 [ 52.730736][ C0] ret_from_fork+0x10/0x20 [ 52.731488][ C0] irq event stamp: 352789 [ 52.732217][ C0] hardirqs last enabled at (352788): [] folio_memcg_lock+0xe8/0x1f4 [ 52.733874][ C0] hardirqs last disabled at (352789): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.735639][ C0] softirqs last enabled at (352778): [] handle_softirqs+0xaec/0xc60 [ 52.737293][ C0] softirqs last disabled at (352783): [] run_ksoftirqd+0x7c/0x2ac [ 52.738948][ C0] ---[ end trace 0000000000000000 ]---