Warning: Permanently added '10.128.0.214' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://43771 [ 32.015235][ T4339] cgroup: Unknown subsys name 'net' [ 32.263916][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.527615][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.336522][ T4355] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.338502][ T4353] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.339972][ T4353] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.342338][ T4353] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.343773][ T4353] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.345204][ T4353] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.691373][ T4369] chnl_net:caif_netlink_parms(): no params data found [ 38.709318][ T4369] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.710639][ T4369] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.712718][ T4369] device bridge_slave_0 entered promiscuous mode [ 38.716298][ T4369] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.717609][ T4369] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.719252][ T4369] device bridge_slave_1 entered promiscuous mode [ 38.726001][ T4369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.728547][ T4369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.735544][ T4369] team0: Port device team_slave_0 added [ 38.737282][ T4369] team0: Port device team_slave_1 added [ 38.742799][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.744077][ T4369] 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. [ 38.748234][ T4369] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.750844][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.752388][ T4369] 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. [ 38.756910][ T4369] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.812263][ T4369] device hsr_slave_0 entered promiscuous mode [ 38.861242][ T4369] device hsr_slave_1 entered promiscuous mode [ 38.936053][ T4369] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.953870][ T4369] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.003700][ T4369] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.043447][ T4369] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.089360][ T4369] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.090733][ T4369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.092407][ T4369] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.093741][ T4369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.112686][ T4369] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.117323][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.119872][ T1600] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.122758][ T1600] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.127324][ T4369] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.130300][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.132182][ T1600] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.133421][ T1600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.137565][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.139259][ T1600] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.140526][ T1600] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.147216][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.148883][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.152646][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.155665][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.158548][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.162483][ T4369] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.246180][ T4369] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.248902][ T89] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.250289][ T89] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.257532][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.265120][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.267116][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.268758][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.272558][ T4369] device veth0_vlan entered promiscuous mode [ 39.275864][ T4369] device veth1_vlan entered promiscuous mode [ 39.278542][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.280255][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.287312][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.289847][ T4369] device veth0_macvtap entered promiscuous mode [ 39.294545][ T4369] device veth1_macvtap entered promiscuous mode [ 39.299746][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.301906][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.304085][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.307054][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.308438][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.311661][ T4369] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.313228][ T4369] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.314689][ T4369] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.316365][ T4369] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.465574][ T1600] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.467013][ T1600] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.470572][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.481854][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.483361][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.484771][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.475063][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:40 executed programs: 0 [ 40.623285][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.625026][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.626630][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.628204][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.629707][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.631390][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.676971][ T4432] chnl_net:caif_netlink_parms(): no params data found [ 40.694830][ T4432] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.696133][ T4432] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.697821][ T4432] device bridge_slave_0 entered promiscuous mode [ 40.699909][ T4432] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.701396][ T4432] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.702920][ T4432] device bridge_slave_1 entered promiscuous mode [ 40.709871][ T4432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.712931][ T4432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.719255][ T4432] team0: Port device team_slave_0 added [ 40.721651][ T4432] team0: Port device team_slave_1 added [ 40.726737][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.728054][ T4432] 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. [ 40.733545][ T4432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.737593][ T4432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.738789][ T4432] 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. [ 40.743944][ T4432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.793148][ T4432] device hsr_slave_0 entered promiscuous mode [ 40.831284][ T4432] device hsr_slave_1 entered promiscuous mode [ 40.871126][ T4432] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.872486][ T4432] Cannot create hsr debugfs directory [ 42.491849][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.651291][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 44.731730][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 44.792737][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.882891][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.113835][ T4432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.213105][ T4432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.262664][ T4432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.302046][ T4432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.452190][ T4432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.455696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.457342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.459906][ T4432] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.463100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.464772][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.466271][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.467547][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.469176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.472114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.473909][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.475491][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.476758][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.479810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.524729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.527702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.529867][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.532003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.534705][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.536507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.539191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.540899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.544581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.546313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.548708][ T4432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.635993][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.637494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.640529][ T4432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.646582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.648256][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.687661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.689863][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.691872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.693356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.695599][ T4432] device veth0_vlan entered promiscuous mode [ 46.699861][ T4432] device veth1_vlan entered promiscuous mode [ 46.710539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.713413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.715054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.716665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.719254][ T4432] device veth0_macvtap entered promiscuous mode [ 46.762959][ T4432] device veth1_macvtap entered promiscuous mode [ 46.767436][ T4432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.769176][ T4432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.772650][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.774162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.776163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.778197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.779747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.782527][ T4432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.784496][ T4432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.786849][ T4432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.788245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.790081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.794014][ T4432] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.795469][ T4432] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.796877][ T4432] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.798279][ T4432] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.811107][ T48] Bluetooth: hci0: command 0x040f tx timeout [ 46.824790][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.826184][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.864291][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.870867][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.872494][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.874369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.037389][ T4517] loop0: detected capacity change from 0 to 32768 [ 47.042813][ T4517] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.044264][ T4517] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.060418][ T4517] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 47.063509][ T4452] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 47.064905][ T4452] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 47.079538][ T4452] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 47.081730][ T4452] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.083388][ T4517] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.183151][ T4432] ------------[ cut here ]------------ [ 47.184399][ T4432] WARNING: CPU: 1 PID: 4432 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 47.186434][ T4432] Modules linked in: [ 47.187197][ T4432] CPU: 1 PID: 4432 Comm: syz-executor Not tainted syzkaller #0 [ 47.188693][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.190667][ T4432] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.192245][ T4432] pc : __folio_mark_dirty+0x8b8/0xce0 [ 47.193319][ T4432] lr : __folio_mark_dirty+0x8b8/0xce0 [ 47.194401][ T4432] sp : ffff800020c37700 [ 47.195213][ T4432] x29: ffff800020c37710 x28: 1fffff80006d38d0 x27: 0000000000000000 [ 47.196762][ T4432] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049b398 [ 47.198300][ T4432] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093673 [ 47.199800][ T4432] x20: ffff0000cb8fc7e8 x19: fffffc000369c680 x18: 1fffe00033e6db7e [ 47.201325][ T4432] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 000000000004ffff [ 47.202920][ T4432] x14: 0000000000000001 x13: 1fffe00018093673 x12: 0000000000000000 [ 47.204421][ T4432] x11: ff00800008716620 x10: 0000000000000000 x9 : ffff800008716620 [ 47.205957][ T4432] x8 : ffff0000ccd20000 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.207486][ T4432] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a68bf4 [ 47.209036][ T4432] x2 : ffff0000ce974060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.210663][ T4432] Call trace: [ 47.211306][ T4432] __folio_mark_dirty+0x8b8/0xce0 [ 47.212254][ T4432] mark_buffer_dirty+0x2b8/0x5c0 [ 47.213172][ T4432] gfs2_unpin+0x128/0x918 [ 47.214007][ T4432] buf_lo_after_commit+0x144/0x18c [ 47.214952][ T4432] __gfs2_log_flush+0x12e8/0x1bd4 [ 47.215857][ T4432] gfs2_log_flush+0x3c/0x58 [ 47.216698][ T4432] gfs2_kill_sb+0x5c/0xd8 [ 47.217509][ T4432] deactivate_locked_super+0xb4/0x128 [ 47.218520][ T4432] deactivate_super+0xe4/0x104 [ 47.219422][ T4432] cleanup_mnt+0x3a8/0x430 [ 47.220206][ T4432] __cleanup_mnt+0x20/0x30 [ 47.221044][ T4432] task_work_run+0x1f4/0x280 [ 47.221942][ T4432] do_notify_resume+0x20f8/0x2c84 [ 47.222913][ T4432] el0_svc+0x98/0x128 [ 47.223653][ T4432] el0t_64_sync_handler+0x84/0xf0 [ 47.224576][ T4432] el0t_64_sync+0x18c/0x190 [ 47.225374][ T4432] irq event stamp: 153762 [ 47.226187][ T4432] hardirqs last enabled at (153761): [] folio_memcg_lock+0xe8/0x1f8 [ 47.228000][ T4432] hardirqs last disabled at (153762): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.229842][ T4432] softirqs last enabled at (153656): [] local_bh_enable+0x10/0x34 [ 47.231534][ T4432] softirqs last disabled at (153654): [] local_bh_disable+0x10/0x34 [ 47.233340][ T4432] ---[ end trace 0000000000000000 ]--- [ 47.238461][ T4432] ------------[ cut here ]------------ [ 47.239347][ T4432] WARNING: CPU: 1 PID: 4432 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 47.241121][ T4432] Modules linked in: [ 47.241876][ T4432] CPU: 1 PID: 4432 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.243582][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.245477][ T4432] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.246932][ T4432] pc : __folio_start_writeback+0x8a8/0xa98 [ 47.247978][ T4432] lr : __folio_start_writeback+0x8a8/0xa98 [ 47.249028][ T4432] sp : ffff800020c37180 [ 47.249788][ T4432] x29: ffff800020c37260 x28: ffff700004186e38 x27: 0000000000000000 [ 47.251360][ T4432] x26: ffff0000c049b1f0 x25: 1fffff80006d38d1 x24: dfff800000000000 [ 47.252872][ T4432] x23: ffff0000cb8fc7e8 x22: ffff800020c371e0 x21: ffff0000c049b398 [ 47.254362][ T4432] x20: 0000000000000001 x19: fffffc000369c680 x18: 1fffe00033e6db7e [ 47.255886][ T4432] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 0000000000000000 [ 47.257421][ T4432] x14: 0000000000000001 x13: 1fffff80006d38d0 x12: 0000000000000000 [ 47.258918][ T4432] x11: ff00800008718b44 x10: 0000000000000000 x9 : ffff800008718b44 [ 47.260456][ T4432] x8 : ffff0000ccd20000 x7 : ffff800008718594 x6 : 0000000000000000 [ 47.261943][ T4432] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087185d0 [ 47.263478][ T4432] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.265011][ T4432] Call trace: [ 47.265657][ T4432] __folio_start_writeback+0x8a8/0xa98 [ 47.266714][ T4432] set_page_writeback+0x5c/0x7c [ 47.267579][ T4432] gfs2_aspace_writepage+0x524/0x6f4 [ 47.268561][ T4432] __gfs2_writepage+0x70/0x184 [ 47.269452][ T4432] write_cache_pages+0x760/0xe00 [ 47.270420][ T4432] gfs2_ail1_flush+0x7a8/0x9f0 [ 47.271365][ T4432] empty_ail1_list+0x130/0x214 [ 47.272256][ T4432] __gfs2_log_flush+0x15c8/0x1bd4 [ 47.273213][ T4432] gfs2_log_flush+0x3c/0x58 [ 47.274085][ T4432] gfs2_kill_sb+0x5c/0xd8 [ 47.274861][ T4432] deactivate_locked_super+0xb4/0x128 [ 47.275865][ T4432] deactivate_super+0xe4/0x104 [ 47.276785][ T4432] cleanup_mnt+0x3a8/0x430 [ 47.277622][ T4432] __cleanup_mnt+0x20/0x30 [ 47.278460][ T4432] task_work_run+0x1f4/0x280 [ 47.279342][ T4432] do_notify_resume+0x20f8/0x2c84 [ 47.280295][ T4432] el0_svc+0x98/0x128 [ 47.281045][ T4432] el0t_64_sync_handler+0x84/0xf0 [ 47.281982][ T4432] el0t_64_sync+0x18c/0x190 [ 47.282826][ T4432] irq event stamp: 153966 [ 47.283632][ T4432] hardirqs last enabled at (153965): [] folio_memcg_lock+0xe8/0x1f8 [ 47.285434][ T4432] hardirqs last disabled at (153966): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.287304][ T4432] softirqs last enabled at (153944): [] handle_softirqs+0xb1c/0xc90 [ 47.289118][ T4432] softirqs last disabled at (153765): [] __do_softirq+0x14/0x20 [ 47.290796][ T4432] ---[ end trace 0000000000000000 ]--- [ 47.293130][ C1] ------------[ cut here ]------------ [ 47.294156][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 47.295884][ C1] Modules linked in: [ 47.296549][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 47.297950][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.299632][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.300951][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 47.302016][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 47.303115][ C1] sp : ffff80001cc47980 [ 47.303904][ C1] x29: ffff80001cc479a0 x28: 1fffff80006d2ad1 x27: 1fffff80006d2ad0 [ 47.305466][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049b1f0 [ 47.307008][ C1] x23: ffff0000c049b398 x22: ffff0000cb8ff770 x21: ffff0000cb8ff778 [ 47.308515][ C1] x20: 0000000000000001 x19: fffffc0003695680 x18: 1fffe00033e6db7e [ 47.310000][ C1] x17: ffff8000153bd000 x16: ffff8000082dbd78 x15: 0000000000000000 [ 47.311532][ C1] x14: 0000000000000003 x13: 1ffff00003988f22 x12: 0000000000000000 [ 47.312995][ C1] x11: ff008000087180a0 x10: 0000000000000000 x9 : ffff8000087180a0 [ 47.314481][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.315982][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.317519][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.318974][ C1] Call trace: [ 47.319563][ C1] __folio_end_writeback+0x7d0/0x9cc [ 47.320506][ C1] folio_end_writeback+0x12c/0x410 [ 47.321431][ C1] end_page_writeback+0x58/0x74 [ 47.322315][ C1] end_buffer_async_write+0x330/0x4fc [ 47.323258][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 47.324159][ C1] bio_endio+0x750/0x794 [ 47.324891][ C1] blk_update_request+0x4ac/0xc58 [ 47.325752][ C1] blk_mq_end_request+0x54/0x8c [ 47.326598][ C1] lo_complete_rq+0x1e8/0x238 [ 47.327440][ C1] blk_done_softirq+0x11c/0x168 [ 47.328300][ C1] handle_softirqs+0x318/0xc90 [ 47.329135][ C1] run_ksoftirqd+0x7c/0x2ac [ 47.329944][ C1] smpboot_thread_fn+0x4e8/0x960 [ 47.330839][ C1] kthread+0x254/0x2e0 [ 47.331607][ C1] ret_from_fork+0x10/0x20 [ 47.332412][ C1] irq event stamp: 485975 [ 47.333224][ C1] hardirqs last enabled at (485974): [] folio_memcg_lock+0xe8/0x1f8 [ 47.335071][ C1] hardirqs last disabled at (485975): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 47.336959][ C1] softirqs last enabled at (485964): [] handle_softirqs+0xb1c/0xc90 [ 47.338696][ C1] softirqs last disabled at (485969): [] run_ksoftirqd+0x7c/0x2ac [ 47.340408][ C1] ---[ end trace 0000000000000000 ]---