Warning: Permanently added '10.128.0.177' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.243943][ T4339] cgroup: Unknown subsys name 'net' [ 32.458988][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.732315][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.138339][ T4406] chnl_net:caif_netlink_parms(): no params data found [ 38.154111][ T4406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.155274][ T4406] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.157265][ T4406] device bridge_slave_0 entered promiscuous mode [ 38.159522][ T4406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.160719][ T4406] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.162152][ T4406] device bridge_slave_1 entered promiscuous mode [ 38.168130][ T4406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.170475][ T4406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.177228][ T4406] team0: Port device team_slave_0 added [ 38.178913][ T4406] team0: Port device team_slave_1 added [ 38.183801][ T4406] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.184904][ T4406] 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. [ 38.189452][ T4406] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.192034][ T4406] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.193113][ T4406] 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. [ 38.197435][ T4406] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.228062][ T4406] device hsr_slave_0 entered promiscuous mode [ 38.276726][ T4406] device hsr_slave_1 entered promiscuous mode [ 38.366215][ T4406] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.424688][ T4406] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.465139][ T4406] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.505516][ T4406] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.558710][ T4406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.559817][ T4406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.561268][ T4406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.562397][ T4406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.578789][ T4406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.582729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.584996][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.587882][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.604482][ T4406] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.608445][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.609951][ T1606] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.611109][ T1606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.613516][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.615015][ T1606] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.616074][ T1606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.622364][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.623916][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.626793][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.637943][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.641004][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.643727][ T4406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.691491][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.692758][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.695658][ T4406] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.706328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.708632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.713855][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.715492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.717426][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.718791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.720924][ T4406] device veth0_vlan entered promiscuous mode [ 38.723795][ T4406] device veth1_vlan entered promiscuous mode [ 38.738473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.739981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.741442][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.742962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.745151][ T4406] device veth0_macvtap entered promiscuous mode [ 38.748251][ T4406] device veth1_macvtap entered promiscuous mode [ 38.752690][ T4406] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.753876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.755447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 38.757639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.759123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.761532][ T4406] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.762765][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.764338][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.767984][ T4406] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.769424][ T4406] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.770836][ T4406] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.772266][ T4406] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.252502][ T4427] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.254040][ T4427] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.255415][ T4427] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.257947][ T4427] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.259310][ T4427] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.260555][ T4427] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.568526][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.692178][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.693565][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.697359][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.705086][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.706374][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.708205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:39 executed programs: 0 [ 39.896144][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.897785][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.899065][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.900574][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.902040][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.903248][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.942755][ T4443] chnl_net:caif_netlink_parms(): no params data found [ 39.958943][ T4443] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.960025][ T4443] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.961547][ T4443] device bridge_slave_0 entered promiscuous mode [ 39.963622][ T4443] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.964716][ T4443] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.966307][ T4443] device bridge_slave_1 entered promiscuous mode [ 39.972293][ T4443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.974689][ T4443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.981765][ T4443] team0: Port device team_slave_0 added [ 39.983409][ T4443] team0: Port device team_slave_1 added [ 39.988559][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.989693][ T4443] 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. [ 39.993694][ T4443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.996145][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.997370][ T4443] 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. [ 40.001659][ T4443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.057943][ T4443] device hsr_slave_0 entered promiscuous mode [ 40.096793][ T4443] device hsr_slave_1 entered promiscuous mode [ 40.137498][ T4443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.138733][ T4443] Cannot create hsr debugfs directory [ 41.877389][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.916748][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.996726][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 44.227634][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.318737][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.350010][ T4443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.431222][ T4443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.477737][ T4443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.517568][ T4443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.639526][ T4443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.642848][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.644389][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.647253][ T4443] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.671622][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.673492][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.675058][ T4413] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.676270][ T4413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.678660][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.681177][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.682733][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.684191][ T4413] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.685321][ T4413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.687962][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.690428][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.692945][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.694569][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.696183][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.751049][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.752725][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.755336][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.756968][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.759510][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.761050][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.764088][ T4443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.789419][ T39] device hsr_slave_0 left promiscuous mode [ 45.816658][ T39] device hsr_slave_1 left promiscuous mode [ 45.896641][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.897900][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.899614][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.900788][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.902333][ T39] device bridge_slave_1 left promiscuous mode [ 45.903788][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.937147][ T39] device bridge_slave_0 left promiscuous mode [ 45.938158][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.056831][ T39] device veth1_macvtap left promiscuous mode [ 46.057948][ T39] device veth0_macvtap left promiscuous mode [ 46.059245][ T39] device veth1_vlan left promiscuous mode [ 46.060233][ T39] device veth0_vlan left promiscuous mode [ 46.076565][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 48.156523][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 48.217571][ T39] team0 (unregistering): Port device team_slave_1 removed [ 48.387540][ T39] team0 (unregistering): Port device team_slave_0 removed [ 48.560079][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.766920][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.337321][ T39] bond0 (unregistering): Released all slaves [ 50.667254][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.668483][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.672460][ T4443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.677884][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.679500][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.685592][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.687391][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.688978][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.690377][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.692458][ T4443] device veth0_vlan entered promiscuous mode [ 50.695291][ T4443] device veth1_vlan entered promiscuous mode [ 50.701773][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.703181][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.704597][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.706234][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.710433][ T4443] device veth0_macvtap entered promiscuous mode [ 50.713725][ T4443] device veth1_macvtap entered promiscuous mode [ 50.719271][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.720501][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.721985][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.723434][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.724840][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.728085][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.729306][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.730802][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.733059][ T4443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.734397][ T4443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.735741][ T4443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.738864][ T4443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.757500][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.758849][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.763537][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.767353][ T1606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.768581][ T1606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.769956][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.910467][ T4533] loop0: detected capacity change from 0 to 32768 [ 50.912123][ T4533] ======================================================= [ 50.912123][ T4533] WARNING: The mand mount option has been deprecated and [ 50.912123][ T4533] and is ignored by this kernel. Remove the mand [ 50.912123][ T4533] option from the mount to silence this warning. [ 50.912123][ T4533] ======================================================= [ 50.920483][ T4533] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.921787][ T4533] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.926419][ T4533] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.929128][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.930137][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.942137][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 50.944155][ T22] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.945128][ T4533] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.017665][ T4443] ------------[ cut here ]------------ [ 51.018647][ T4443] WARNING: CPU: 0 PID: 4443 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 51.020273][ T4443] Modules linked in: [ 51.020904][ T4443] CPU: 0 PID: 4443 Comm: syz-executor Not tainted syzkaller #0 [ 51.022162][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.023667][ T4443] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.025042][ T4443] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 51.025929][ T4443] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 51.026836][ T4443] sp : ffff8000212576a0 [ 51.027523][ T4443] x29: ffff8000212576c0 x28: 1fffff8000690418 x27: dfff800000000000 [ 51.028963][ T4443] x26: 0000000000000000 x25: ffff0000c56b3e98 x24: 0000000000000001 [ 51.030321][ T4443] x23: 0000000000000000 x22: fffffc00034820c8 x21: 1fffe00018ad67d3 [ 51.031676][ T4443] x20: ffff0000ce76a250 x19: fffffc00034820c0 x18: ffff800011babf60 [ 51.032996][ T4443] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 51.034358][ T4443] x14: 0000000000000001 x13: 1fffe00018ad67d3 x12: 0000000000ff0100 [ 51.035645][ T4443] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 51.036945][ T4443] x8 : ffff0000cba2d400 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.038283][ T4443] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a595a0 [ 51.039554][ T4443] x2 : ffff0000cf10a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.040865][ T4443] Call trace: [ 51.041392][ T4443] __folio_mark_dirty+0x8a0/0xcd8 [ 51.042122][ T4443] mark_buffer_dirty+0x2b8/0x5c0 [ 51.042960][ T4443] gfs2_unpin+0x120/0x8fc [ 51.043704][ T4443] buf_lo_after_commit+0x140/0x188 [ 51.044624][ T4443] __gfs2_log_flush+0x1290/0x1b38 [ 51.045513][ T4443] gfs2_log_flush+0x3c/0x58 [ 51.046269][ T4443] gfs2_kill_sb+0x5c/0xd4 [ 51.047042][ T4443] deactivate_locked_super+0xac/0x120 [ 51.047911][ T4443] deactivate_super+0xe4/0x104 [ 51.048744][ T4443] cleanup_mnt+0x390/0x418 [ 51.049484][ T4443] __cleanup_mnt+0x20/0x30 [ 51.050253][ T4443] task_work_run+0x1ec/0x278 [ 51.051072][ T4443] do_notify_resume+0x1fa0/0x2aa4 [ 51.051922][ T4443] el0_svc+0x98/0x128 [ 51.052629][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 51.053505][ T4443] el0t_64_sync+0x18c/0x190 [ 51.054286][ T4443] irq event stamp: 155864 [ 51.055032][ T4443] hardirqs last enabled at (155863): [] folio_memcg_lock+0xe8/0x1f4 [ 51.056629][ T4443] hardirqs last disabled at (155864): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.058390][ T4443] softirqs last enabled at (155762): [] local_bh_enable+0x10/0x34 [ 51.060088][ T4443] softirqs last disabled at (155760): [] local_bh_disable+0x10/0x34 [ 51.061627][ T4443] ---[ end trace 0000000000000000 ]--- [ 51.076628][ T4443] ------------[ cut here ]------------ [ 51.077497][ T4443] WARNING: CPU: 1 PID: 4443 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 51.079409][ T4443] Modules linked in: [ 51.080045][ T4443] CPU: 1 PID: 4443 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.081600][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.083332][ T4443] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.084620][ T4443] pc : __folio_start_writeback+0x88c/0xa7c [ 51.085596][ T4443] lr : __folio_start_writeback+0x88c/0xa7c [ 51.086533][ T4443] sp : ffff800021257140 [ 51.087241][ T4443] x29: ffff800021257220 x28: dfff800000000000 x27: 0000000000000000 [ 51.088656][ T4443] x26: ffff70000424ae30 x25: 0000000000000000 x24: ffff0000ce76a250 [ 51.090079][ T4443] x23: ffff8000212571a0 x22: ffff0000c56b3cf0 x21: 0000000000000001 [ 51.091447][ T4443] x20: fffffc00034820c8 x19: fffffc00034820c0 x18: ffff800011babf60 [ 51.092839][ T4443] x17: 1fffe00033e9f77e x16: ffff8000082d8944 x15: 0000000000000000 [ 51.094286][ T4443] x14: 0000000000000001 x13: 1fffff8000690418 x12: 0000000000ff0100 [ 51.095699][ T4443] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 51.097041][ T4443] x8 : ffff0000cba2d400 x7 : ffff80000870cbb0 x6 : 0000000000000000 [ 51.098453][ T4443] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870cbf0 [ 51.099788][ T4443] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.101159][ T4443] Call trace: [ 51.101704][ T4443] __folio_start_writeback+0x88c/0xa7c [ 51.102622][ T4443] set_page_writeback+0x5c/0x7c [ 51.103424][ T4443] gfs2_aspace_writepage+0x514/0x6dc [ 51.104333][ T4443] __gfs2_writepage+0x70/0x184 [ 51.105149][ T4443] write_cache_pages+0x74c/0xde8 [ 51.105971][ T4443] gfs2_ail1_flush+0x7c4/0xa14 [ 51.106814][ T4443] empty_ail1_list+0x130/0x214 [ 51.107658][ T4443] __gfs2_log_flush+0x1568/0x1b38 [ 51.108534][ T4443] gfs2_log_flush+0x3c/0x58 [ 51.109283][ T4443] gfs2_kill_sb+0x5c/0xd4 [ 51.110024][ T4443] deactivate_locked_super+0xac/0x120 [ 51.110963][ T4443] deactivate_super+0xe4/0x104 [ 51.111765][ T4443] cleanup_mnt+0x390/0x418 [ 51.112513][ T4443] __cleanup_mnt+0x20/0x30 [ 51.113285][ T4443] task_work_run+0x1ec/0x278 [ 51.114079][ T4443] do_notify_resume+0x1fa0/0x2aa4 [ 51.114958][ T4443] el0_svc+0x98/0x128 [ 51.115573][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 51.116424][ T4443] el0t_64_sync+0x18c/0x190 [ 51.117204][ T4443] irq event stamp: 155936 [ 51.117942][ T4443] hardirqs last enabled at (155935): [] folio_memcg_lock+0xe8/0x1f4 [ 51.119581][ T4443] hardirqs last disabled at (155936): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.121268][ T4443] softirqs last enabled at (155902): [] handle_softirqs+0xaec/0xc60 [ 51.122955][ T4443] softirqs last disabled at (155867): [] __do_softirq+0x14/0x20 [ 51.124493][ T4443] ---[ end trace 0000000000000000 ]--- [ 51.137111][ C0] ------------[ cut here ]------------ [ 51.138063][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 51.139559][ C0] Modules linked in: [ 51.140161][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.141790][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.143521][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.144887][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 51.145722][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 51.146616][ C0] sp : ffff80001ca57970 [ 51.147328][ C0] x29: ffff80001ca57990 x28: dfff800000000000 x27: ffff0000c56b3cf0 [ 51.148638][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006983b8 [ 51.150032][ C0] x23: 0000000000000001 x22: ffff0000ce7682a0 x21: ffff0000ce7682a8 [ 51.151380][ C0] x20: 0000000000000001 x19: fffffc00034c1dc0 x18: ffff800011babf60 [ 51.152749][ C0] x17: 1fffe00033e9f77e x16: ffff8000082d8944 x15: 0000000000000000 [ 51.154196][ C0] x14: 0000000000000003 x13: 1ffff0000394af20 x12: 0000000000ff0100 [ 51.155563][ C0] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 51.156932][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.158377][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.159867][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.161278][ C0] Call trace: [ 51.161803][ C0] __folio_end_writeback+0x7d0/0x9cc [ 51.162638][ C0] folio_end_writeback+0x12c/0x410 [ 51.163471][ C0] end_page_writeback+0x58/0x74 [ 51.164296][ C0] end_buffer_async_write+0x32c/0x4f4 [ 51.165253][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 51.166067][ C0] bio_endio+0x750/0x794 [ 51.166781][ C0] blk_update_request+0x49c/0xbec [ 51.167607][ C0] blk_mq_end_request+0x54/0x88 [ 51.168443][ C0] lo_complete_rq+0x1ec/0x250 [ 51.169249][ C0] blk_done_softirq+0x11c/0x168 [ 51.170056][ C0] handle_softirqs+0x318/0xc60 [ 51.170895][ C0] run_ksoftirqd+0x7c/0x2ac [ 51.171609][ C0] smpboot_thread_fn+0x4b0/0x964 [ 51.172425][ C0] kthread+0x250/0x2d8 [ 51.173106][ C0] ret_from_fork+0x10/0x20 [ 51.173812][ C0] irq event stamp: 452465 [ 51.174548][ C0] hardirqs last enabled at (452464): [] folio_memcg_lock+0xe8/0x1f4 [ 51.176247][ C0] hardirqs last disabled at (452465): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 51.177966][ C0] softirqs last enabled at (452454): [] handle_softirqs+0xaec/0xc60 [ 51.179692][ C0] softirqs last disabled at (452459): [] run_ksoftirqd+0x7c/0x2ac [ 51.181281][ C0] ---[ end trace 0000000000000000 ]---