Warning: Permanently added '10.128.1.107' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.140150][ T4336] cgroup: Unknown subsys name 'net' [ 32.392283][ T4336] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.655170][ T4336] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.537646][ T4349] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.539346][ T4349] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.541021][ T4349] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.542495][ T4349] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.543775][ T4349] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.545097][ T4349] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.541690][ T4393] chnl_net:caif_netlink_parms(): no params data found [ 37.558905][ T4393] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.561120][ T4393] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.562748][ T4393] device bridge_slave_0 entered promiscuous mode [ 37.565202][ T4393] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.566399][ T4393] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.567935][ T4393] device bridge_slave_1 entered promiscuous mode [ 37.576759][ T4393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.579325][ T4393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.587234][ T4393] team0: Port device team_slave_0 added [ 37.588948][ T4393] team0: Port device team_slave_1 added [ 37.594899][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.595995][ T4393] 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. [ 37.601011][ T4393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.603663][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.604784][ T4393] 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. [ 37.608807][ T4393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.660856][ T4393] device hsr_slave_0 entered promiscuous mode [ 37.689844][ T4393] device hsr_slave_1 entered promiscuous mode [ 37.764789][ T4393] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.791762][ T4393] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.864087][ T4393] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.910848][ T4393] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.948056][ T4393] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.949320][ T4393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.950765][ T4393] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.951863][ T4393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.969068][ T4393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.974425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.977030][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.978819][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.995913][ T4393] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.999082][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.000834][ T538] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.002046][ T538] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.005082][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.006772][ T538] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.008015][ T538] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.015376][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.017205][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.020981][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.024200][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.027047][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.029445][ T4393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.083425][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.084798][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.088599][ T4393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.106016][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.107781][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.113954][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.115851][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.117516][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.118900][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.122857][ T4393] device veth0_vlan entered promiscuous mode [ 38.126184][ T4393] device veth1_vlan entered promiscuous mode [ 38.139473][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.141986][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.143508][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.145181][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.147547][ T4393] device veth0_macvtap entered promiscuous mode [ 38.151001][ T4393] device veth1_macvtap entered promiscuous mode [ 38.156014][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.157352][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.158885][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 38.161607][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.163109][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.166037][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.167299][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.169007][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.172431][ T4393] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.173960][ T4393] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.175438][ T4393] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.176870][ T4393] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.121016][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.151548][ T538] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.152855][ T538] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.154852][ T538] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.161658][ T538] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.162925][ T538] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.164487][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:39 executed programs: 0 [ 39.361296][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.363136][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.364455][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.366057][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.367717][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.368954][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.414077][ T4450] chnl_net:caif_netlink_parms(): no params data found [ 39.429499][ T4450] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.431411][ T4450] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.432936][ T4450] device bridge_slave_0 entered promiscuous mode [ 39.434930][ T4450] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.436044][ T4450] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.437571][ T4450] device bridge_slave_1 entered promiscuous mode [ 39.444481][ T4450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.446893][ T4450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.453430][ T4450] team0: Port device team_slave_0 added [ 39.456792][ T4450] team0: Port device team_slave_1 added [ 39.462159][ T4450] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.463267][ T4450] 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. [ 39.467484][ T4450] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.470357][ T4450] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.471462][ T4450] 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. [ 39.475868][ T4450] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.520641][ T4450] device hsr_slave_0 entered promiscuous mode [ 39.559754][ T4450] device hsr_slave_1 entered promiscuous mode [ 39.599665][ T4450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.601016][ T4450] Cannot create hsr debugfs directory [ 41.101622][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.449743][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.529928][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 43.641400][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.742108][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.993246][ T4450] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.071290][ T4450] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.122971][ T39] device hsr_slave_0 left promiscuous mode [ 45.169740][ T39] device hsr_slave_1 left promiscuous mode [ 45.249725][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.250887][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.252574][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.253825][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.255337][ T39] device bridge_slave_1 left promiscuous mode [ 45.256856][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.290232][ T39] device bridge_slave_0 left promiscuous mode [ 45.291376][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.419872][ T39] device veth1_macvtap left promiscuous mode [ 45.420943][ T39] device veth0_macvtap left promiscuous mode [ 45.422022][ T39] device veth1_vlan left promiscuous mode [ 45.423049][ T39] device veth0_vlan left promiscuous mode [ 45.609904][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.611264][ T39] team0 (unregistering): Port device team_slave_1 removed [ 47.689623][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 47.780307][ T39] team0 (unregistering): Port device team_slave_0 removed [ 47.950029][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.189989][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.700450][ T39] bond0 (unregistering): Released all slaves [ 50.002105][ T4450] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.052127][ T4450] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.112134][ T4450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.115619][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.117151][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.120904][ T4450] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.123250][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.124899][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.126511][ T4534] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.127658][ T4534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.129156][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.132549][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.133986][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.135559][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.136870][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.139249][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.142899][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.145795][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.147509][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.149122][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.151972][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.153565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.156045][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.157536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.160649][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.162234][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.164656][ T4450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.218646][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.222397][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.225794][ T4450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.231200][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.232866][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.238121][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.239864][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.241825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.243309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.245871][ T4450] device veth0_vlan entered promiscuous mode [ 50.248801][ T4450] device veth1_vlan entered promiscuous mode [ 50.254978][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.256621][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.258058][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.260297][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.265408][ T4450] device veth0_macvtap entered promiscuous mode [ 50.268777][ T4450] device veth1_macvtap entered promiscuous mode [ 50.274454][ T4450] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.275676][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.277210][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.278737][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.281383][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.284320][ T4450] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.285555][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.287320][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.289845][ T4450] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.291240][ T4450] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.292641][ T4450] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.294152][ T4450] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.314803][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.316082][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.317467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.324470][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.325747][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.327076][ T4534] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.513197][ T4540] loop0: detected capacity change from 0 to 32768 [ 50.520473][ T4540] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.521967][ T4540] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.526734][ T4540] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.529102][ T113] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.530332][ T113] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.543467][ T113] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 50.545885][ T113] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.546970][ T4540] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 50.608576][ T4450] ------------[ cut here ]------------ [ 50.609490][ T4450] WARNING: CPU: 1 PID: 4450 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 50.611275][ T4450] Modules linked in: [ 50.611952][ T4450] CPU: 1 PID: 4450 Comm: syz-executor Not tainted syzkaller #0 [ 50.613287][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.614971][ T4450] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.616313][ T4450] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 50.617209][ T4450] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 50.618099][ T4450] sp : ffff800020b776e0 [ 50.618782][ T4450] x29: ffff800020b77700 x28: 1fffff8000652568 x27: dfff800000000000 [ 50.620184][ T4450] x26: 0000000000000000 x25: ffff0000c0543e90 x24: 0000000000000001 [ 50.621405][ T4450] x23: 0000000000000000 x22: fffffc0003292b48 x21: 1fffe000180a87d2 [ 50.622734][ T4450] x20: ffff0000ccece250 x19: fffffc0003292b40 x18: ffff800011b9bf60 [ 50.624132][ T4450] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 50.625534][ T4450] x14: 0000000000000001 x13: 1fffe000180a87d2 x12: 0000000000ff0100 [ 50.626983][ T4450] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 50.628275][ T4450] x8 : ffff0000c3be0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.629652][ T4450] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 50.630955][ T4450] x2 : ffff0000cf16e060 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.632423][ T4450] Call trace: [ 50.632977][ T4450] __folio_mark_dirty+0x8a0/0xcd8 [ 50.633785][ T4450] mark_buffer_dirty+0x2b8/0x5c0 [ 50.634640][ T4450] gfs2_unpin+0x120/0x8fc [ 50.635374][ T4450] buf_lo_after_commit+0x140/0x188 [ 50.636238][ T4450] gfs2_log_flush+0xc00/0x1b20 [ 50.637052][ T4450] gfs2_kill_sb+0x5c/0xd4 [ 50.637883][ T4450] deactivate_locked_super+0xac/0x120 [ 50.638770][ T4450] deactivate_super+0xe4/0x104 [ 50.639693][ T4450] cleanup_mnt+0x390/0x418 [ 50.640476][ T4450] __cleanup_mnt+0x20/0x30 [ 50.641174][ T4450] task_work_run+0x1ec/0x278 [ 50.641930][ T4450] do_notify_resume+0x1fa0/0x2aa4 [ 50.642791][ T4450] el0_svc+0x98/0x128 [ 50.643463][ T4450] el0t_64_sync_handler+0x84/0xf0 [ 50.644255][ T4450] el0t_64_sync+0x18c/0x190 [ 50.645043][ T4450] irq event stamp: 155728 [ 50.645792][ T4450] hardirqs last enabled at (155727): [] folio_memcg_lock+0xe8/0x1f4 [ 50.647395][ T4450] hardirqs last disabled at (155728): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.649146][ T4450] softirqs last enabled at (155608): [] local_bh_enable+0x10/0x34 [ 50.650762][ T4450] softirqs last disabled at (155606): [] local_bh_disable+0x10/0x34 [ 50.652352][ T4450] ---[ end trace 0000000000000000 ]--- [ 50.656017][ T4450] ------------[ cut here ]------------ [ 50.656879][ T4450] WARNING: CPU: 1 PID: 4450 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 50.658624][ T4450] Modules linked in: [ 50.659275][ T4450] CPU: 1 PID: 4450 Comm: syz-executor Tainted: G W syzkaller #0 [ 50.660760][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.662430][ T4450] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.663809][ T4450] pc : __folio_start_writeback+0x88c/0xa7c [ 50.664767][ T4450] lr : __folio_start_writeback+0x88c/0xa7c [ 50.665717][ T4450] sp : ffff800020b77180 [ 50.666447][ T4450] x29: ffff800020b77260 x28: dfff800000000000 x27: 0000000000000000 [ 50.667763][ T4450] x26: ffff70000416ee38 x25: 0000000000000000 x24: ffff0000ccece250 [ 50.669163][ T4450] x23: ffff800020b771e0 x22: ffff0000c0543ce8 x21: 0000000000000001 [ 50.670429][ T4450] x20: fffffc0003292b48 x19: fffffc0003292b40 x18: ffff800011b9bf60 [ 50.671703][ T4450] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 50.673086][ T4450] x14: 0000000000000001 x13: 1fffff8000652568 x12: 0000000000ff0100 [ 50.674478][ T4450] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 50.675826][ T4450] x8 : ffff0000c3be0000 x7 : ffff80000870c070 x6 : 0000000000000000 [ 50.677179][ T4450] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 50.678498][ T4450] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.679710][ T4450] Call trace: [ 50.680237][ T4450] __folio_start_writeback+0x88c/0xa7c [ 50.681150][ T4450] set_page_writeback+0x5c/0x7c [ 50.681990][ T4450] gfs2_aspace_writepage+0x514/0x6dc [ 50.682868][ T4450] __gfs2_writepage+0x70/0x184 [ 50.683688][ T4450] write_cache_pages+0x74c/0xde8 [ 50.684527][ T4450] gfs2_ail1_flush+0x7c4/0xa14 [ 50.685332][ T4450] empty_ail1_list+0x130/0x214 [ 50.686112][ T4450] gfs2_log_flush+0x12b4/0x1b20 [ 50.686913][ T4450] gfs2_kill_sb+0x5c/0xd4 [ 50.687667][ T4450] deactivate_locked_super+0xac/0x120 [ 50.688563][ T4450] deactivate_super+0xe4/0x104 [ 50.689408][ T4450] cleanup_mnt+0x390/0x418 [ 50.690110][ T4450] __cleanup_mnt+0x20/0x30 [ 50.690814][ T4450] task_work_run+0x1ec/0x278 [ 50.691563][ T4450] do_notify_resume+0x1fa0/0x2aa4 [ 50.692376][ T4450] el0_svc+0x98/0x128 [ 50.693190][ T4450] el0t_64_sync_handler+0x84/0xf0 [ 50.694005][ T4450] el0t_64_sync+0x18c/0x190 [ 50.694831][ T4450] irq event stamp: 155926 [ 50.695555][ T4450] hardirqs last enabled at (155925): [] folio_memcg_lock+0xe8/0x1f4 [ 50.697302][ T4450] hardirqs last disabled at (155926): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.699097][ T4450] softirqs last enabled at (155904): [] handle_softirqs+0xaec/0xc60 [ 50.700784][ T4450] softirqs last disabled at (155731): [] __do_softirq+0x14/0x20 [ 50.702443][ T4450] ---[ end trace 0000000000000000 ]--- [ 50.705982][ C0] ------------[ cut here ]------------ [ 50.706969][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 50.708740][ C0] Modules linked in: [ 50.709362][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 50.710922][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.712616][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.713885][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 50.714799][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 50.715722][ C0] sp : ffff80001ca27970 [ 50.716350][ C0] x29: ffff80001ca27990 x28: dfff800000000000 x27: ffff0000c0543ce8 [ 50.717765][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006a2fd0 [ 50.719280][ C0] x23: 0000000000000001 x22: ffff0000ccecc2a0 x21: ffff0000ccecc2a8 [ 50.720667][ C0] x20: 0000000000000001 x19: fffffc0003517e80 x18: ffff800011b9bf60 [ 50.721968][ C0] x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 [ 50.723277][ C0] x14: 0000000000000003 x13: 1ffff00003944f20 x12: 0000000000ff0100 [ 50.724612][ C0] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 50.726002][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.727373][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.728726][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.730031][ C0] Call trace: [ 50.730601][ C0] __folio_end_writeback+0x7d0/0x9cc [ 50.731606][ C0] folio_end_writeback+0x12c/0x410 [ 50.732540][ C0] end_page_writeback+0x58/0x74 [ 50.733381][ C0] end_buffer_async_write+0x32c/0x4f4 [ 50.734328][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 50.735164][ C0] bio_endio+0x750/0x794 [ 50.735889][ C0] blk_update_request+0x49c/0xbec [ 50.736718][ C0] blk_mq_end_request+0x54/0x88 [ 50.737522][ C0] lo_complete_rq+0x1ec/0x250 [ 50.738358][ C0] blk_done_softirq+0x11c/0x168 [ 50.739235][ C0] handle_softirqs+0x318/0xc60 [ 50.740010][ C0] run_ksoftirqd+0x7c/0x2ac [ 50.740725][ C0] smpboot_thread_fn+0x4b0/0x964 [ 50.741554][ C0] kthread+0x250/0x2d8 [ 50.742301][ C0] ret_from_fork+0x10/0x20 [ 50.743092][ C0] irq event stamp: 400523 [ 50.743863][ C0] hardirqs last enabled at (400522): [] folio_memcg_lock+0xe8/0x1f4 [ 50.745420][ C0] hardirqs last disabled at (400523): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.746985][ C0] softirqs last enabled at (400512): [] handle_softirqs+0xaec/0xc60 [ 50.748612][ C0] softirqs last disabled at (400517): [] run_ksoftirqd+0x7c/0x2ac [ 50.750254][ C0] ---[ end trace 0000000000000000 ]---