Warning: Permanently added '10.128.0.241' (ED25519) to the list of known hosts. 1970/01/01 00:00:34 parsed 1 programs [ 35.243632][ T4324] cgroup: Unknown subsys name 'net' [ 35.473498][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.724661][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.769758][ T4344] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.771823][ T4344] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.773141][ T4344] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.774544][ T4344] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.775822][ T4344] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.777045][ T4344] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.349040][ T4373] chnl_net:caif_netlink_parms(): no params data found [ 39.369465][ T4373] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.370941][ T4373] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.372471][ T4373] device bridge_slave_0 entered promiscuous mode [ 39.374942][ T4373] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.376119][ T4373] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.377533][ T4373] device bridge_slave_1 entered promiscuous mode [ 39.385358][ T4373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.387901][ T4373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.395060][ T4373] team0: Port device team_slave_0 added [ 39.397004][ T4373] team0: Port device team_slave_1 added [ 39.403055][ T4373] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.404184][ T4373] 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. [ 39.408345][ T4373] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.411617][ T4373] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.412720][ T4373] 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. [ 39.416787][ T4373] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.462084][ T4373] device hsr_slave_0 entered promiscuous mode [ 39.500631][ T4373] device hsr_slave_1 entered promiscuous mode [ 39.625040][ T4373] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.652601][ T4373] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.711763][ T4373] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.752107][ T4373] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.798082][ T4373] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.799391][ T4373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.800766][ T4373] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.801790][ T4373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.819468][ T4373] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.823443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.825964][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.827612][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.829368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.834079][ T4373] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.837045][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.838828][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.839992][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.844904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.846528][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.847613][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.855227][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.856961][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.859978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.863702][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.866381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.869088][ T4373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.935337][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.936651][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.939842][ T4373] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.946826][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.953364][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.955090][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.956468][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.958583][ T4373] device veth0_vlan entered promiscuous mode [ 39.961948][ T4373] device veth1_vlan entered promiscuous mode [ 39.968588][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.970194][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.972055][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.974416][ T4373] device veth0_macvtap entered promiscuous mode [ 39.977063][ T4373] device veth1_macvtap entered promiscuous mode [ 39.991122][ T4373] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.992865][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.994733][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.998099][ T4373] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.999283][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.003387][ T4373] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.004882][ T4373] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.006164][ T4373] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.007486][ T4373] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.424392][ T4380] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.427773][ T4380] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.430240][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.435977][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.437290][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.438558][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.785754][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.787313][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.788629][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.793190][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.794649][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.795810][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.953639][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 40.972006][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.973247][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.974662][ T4427] device bridge_slave_0 entered promiscuous mode [ 40.976531][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.977848][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.979290][ T4427] device bridge_slave_1 entered promiscuous mode [ 40.987170][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.989445][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.995676][ T4427] team0: Port device team_slave_0 added [ 40.997385][ T4427] team0: Port device team_slave_1 added [ 41.003636][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.004721][ T4427] 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. [ 41.008515][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.011127][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.012183][ T4427] 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. [ 41.016214][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.323112][ T1608] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.361485][ T4427] device hsr_slave_0 entered promiscuous mode [ 41.390733][ T4427] device hsr_slave_1 entered promiscuous mode [ 41.430370][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.431590][ T4427] Cannot create hsr debugfs directory [ 42.810605][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.271509][ T1608] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.890317][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.591725][ T1608] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.672353][ T1608] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.853454][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.962428][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.970452][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 47.092349][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.172735][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.300686][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.304565][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.306005][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.308890][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.383003][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.384535][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.385842][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.386912][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.388492][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.391357][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.392886][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.394322][ T4380] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.395494][ T4380] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.398419][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.403318][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.405830][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.407743][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.409390][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.413613][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.415158][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.417620][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.419176][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.473204][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.474782][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.476968][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.534867][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.536081][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.539953][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.545415][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.546917][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.552650][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.554131][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.555595][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.556859][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.558864][ T4427] device veth0_vlan entered promiscuous mode [ 47.562263][ T4427] device veth1_vlan entered promiscuous mode [ 47.569467][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.571343][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.572789][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.574205][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.576447][ T4427] device veth0_macvtap entered promiscuous mode [ 47.578633][ T4427] device veth1_macvtap entered promiscuous mode [ 47.584765][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.586472][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.588435][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.589616][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.592179][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.593608][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.595132][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.894602][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.896251][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.898165][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.900214][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.901877][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.903177][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.904584][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.908055][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.909745][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.929502][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.935238][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.952984][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.960993][ T4380] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.962224][ T4380] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.963378][ T4380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.094928][ T4508] loop0: detected capacity change from 0 to 32768 [ 48.100171][ T4508] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.101481][ T4508] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.108236][ T4508] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 48.110420][ T4453] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.112518][ T4453] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.124516][ T4453] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 48.126438][ T4453] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.127460][ T4508] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.192009][ T4427] ------------[ cut here ]------------ [ 48.192954][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 48.194538][ T4427] Modules linked in: [ 48.195152][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 48.196368][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.197962][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.199190][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 48.200048][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 48.200877][ T4427] sp : ffff800020d676e0 [ 48.201505][ T4427] x29: ffff800020d67700 x28: 1fffff8000683cf0 x27: dfff800000000000 [ 48.202717][ T4427] x26: 0000000000000000 x25: ffff0000c53a0790 x24: 0000000000000001 [ 48.203900][ T4427] x23: 0000000000000000 x22: fffffc000341e788 x21: 1fffe00018a740f2 [ 48.205107][ T4427] x20: ffff0000daae6250 x19: fffffc000341e780 x18: ffff800011b9bf60 [ 48.206277][ T4427] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 48.207441][ T4427] x14: 0000000000000001 x13: 1fffe00018a740f2 x12: 0000000000ff0100 [ 48.208600][ T4427] x11: ff00800008709f98 x10: 0000000000000000 x9 : ffff800008709f98 [ 48.209780][ T4427] x8 : ffff0000ce18b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.210948][ T4427] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58760 [ 48.212076][ T4427] x2 : ffff0000cf3a6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.213199][ T4427] Call trace: [ 48.213675][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 48.214387][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 48.215101][ T4427] gfs2_unpin+0x120/0x8fc [ 48.215739][ T4427] buf_lo_after_commit+0x140/0x188 [ 48.216430][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 48.217107][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 48.217701][ T4427] deactivate_locked_super+0xac/0x120 [ 48.218451][ T4427] deactivate_super+0xe4/0x104 [ 48.219139][ T4427] cleanup_mnt+0x390/0x418 [ 48.219783][ T4427] __cleanup_mnt+0x20/0x30 [ 48.220448][ T4427] task_work_run+0x1ec/0x278 [ 48.221112][ T4427] do_notify_resume+0x1fa0/0x2aa4 [ 48.221839][ T4427] el0_svc+0x98/0x128 [ 48.222418][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 48.223123][ T4427] el0t_64_sync+0x18c/0x190 [ 48.223774][ T4427] irq event stamp: 158974 [ 48.224443][ T4427] hardirqs last enabled at (158973): [] folio_memcg_lock+0xe8/0x1f4 [ 48.226004][ T4427] hardirqs last disabled at (158974): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.227625][ T4427] softirqs last enabled at (158940): [] handle_softirqs+0xaec/0xc60 [ 48.229172][ T4427] softirqs last disabled at (158603): [] __do_softirq+0x14/0x20 [ 48.230748][ T4427] ---[ end trace 0000000000000000 ]--- [ 48.240990][ T4427] ------------[ cut here ]------------ [ 48.241875][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 48.243493][ T4427] Modules linked in: [ 48.244077][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 48.245394][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.246874][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.248032][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 48.248903][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 48.249761][ T4427] sp : ffff800020d67180 [ 48.250383][ T4427] x29: ffff800020d67260 x28: dfff800000000000 x27: 0000000000000000 [ 48.251623][ T4427] x26: ffff7000041ace38 x25: 0000000000000000 x24: ffff0000daae6250 [ 48.252859][ T4427] x23: ffff800020d671e0 x22: ffff0000c53a05e8 x21: 0000000000000001 [ 48.254253][ T4427] x20: fffffc000341e788 x19: fffffc000341e780 x18: ffff800011b9bf60 [ 48.255662][ T4427] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 48.256984][ T4427] x14: 0000000000000001 x13: 1fffff8000683cf0 x12: 0000000000ff0100 [ 48.258242][ T4427] x11: ff0080000870c4a4 x10: 0000000000000000 x9 : ffff80000870c4a4 [ 48.259538][ T4427] x8 : ffff0000ce18b780 x7 : ffff80000870bf10 x6 : 0000000000000000 [ 48.260810][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870bf50 [ 48.262094][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.263355][ T4427] Call trace: [ 48.263868][ T4427] __folio_start_writeback+0x88c/0xa7c [ 48.264721][ T4427] set_page_writeback+0x5c/0x7c [ 48.265473][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 48.266291][ T4427] __gfs2_writepage+0x70/0x184 [ 48.267035][ T4427] write_cache_pages+0x74c/0xde8 [ 48.267813][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 48.268553][ T4427] empty_ail1_list+0x130/0x214 [ 48.269300][ T4427] gfs2_log_flush+0x12b4/0x1b20 [ 48.270059][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 48.270734][ T4427] deactivate_locked_super+0xac/0x120 [ 48.271565][ T4427] deactivate_super+0xe4/0x104 [ 48.272310][ T4427] cleanup_mnt+0x390/0x418 [ 48.273006][ T4427] __cleanup_mnt+0x20/0x30 [ 48.273685][ T4427] task_work_run+0x1ec/0x278 [ 48.274380][ T4427] do_notify_resume+0x1fa0/0x2aa4 [ 48.275131][ T4427] el0_svc+0x98/0x128 [ 48.275739][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 48.276509][ T4427] el0t_64_sync+0x18c/0x190 [ 48.277299][ T4427] irq event stamp: 159120 [ 48.278056][ T4427] hardirqs last enabled at (159119): [] folio_memcg_lock+0xe8/0x1f4 [ 48.279734][ T4427] hardirqs last disabled at (159120): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.281415][ T4427] softirqs last enabled at (159092): [] handle_softirqs+0xaec/0xc60 [ 48.282993][ T4427] softirqs last disabled at (158977): [] __do_softirq+0x14/0x20 [ 48.284515][ T4427] ---[ end trace 0000000000000000 ]--- [ 48.287897][ C1] ------------[ cut here ]------------ [ 48.288832][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 48.290511][ C1] Modules linked in: [ 48.291148][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 48.292535][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.294128][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.295336][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 48.296245][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 48.297225][ C1] sp : ffff80001ca97970 [ 48.297894][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c53a05e8 [ 48.299181][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006d8ae8 [ 48.300474][ C1] x23: 0000000000000001 x22: ffff0000daae42a0 x21: ffff0000daae42a8 [ 48.301757][ C1] x20: 0000000000000001 x19: fffffc00036c5740 x18: ffff800011b9bf60 [ 48.303045][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 48.304339][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 48.305670][ C1] x11: ff0080000870ba1c x10: 0000000000000000 x9 : ffff80000870ba1c [ 48.307033][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.308278][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 48.309608][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.310952][ C1] Call trace: [ 48.311506][ C1] __folio_end_writeback+0x7d0/0x9cc [ 48.312323][ C1] folio_end_writeback+0x12c/0x410 [ 48.313125][ C1] end_page_writeback+0x58/0x74 [ 48.313902][ C1] end_buffer_async_write+0x32c/0x4f4 [ 48.314762][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 48.315538][ C1] bio_endio+0x750/0x794 [ 48.316214][ C1] blk_update_request+0x49c/0xbec [ 48.317010][ C1] blk_mq_end_request+0x54/0x88 [ 48.317782][ C1] lo_complete_rq+0x1ec/0x250 [ 48.318531][ C1] blk_done_softirq+0x11c/0x168 [ 48.319286][ C1] handle_softirqs+0x318/0xc60 [ 48.320028][ C1] run_ksoftirqd+0x7c/0x2ac [ 48.320728][ C1] smpboot_thread_fn+0x4b0/0x964 [ 48.321498][ C1] kthread+0x250/0x2d8 [ 48.322107][ C1] ret_from_fork+0x10/0x20 [ 48.322814][ C1] irq event stamp: 429913 [ 48.323497][ C1] hardirqs last enabled at (429912): [] folio_memcg_lock+0xe8/0x1f4 [ 48.325009][ C1] hardirqs last disabled at (429913): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.326690][ C1] softirqs last enabled a