Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://38047 [ 32.207541][ T4340] cgroup: Unknown subsys name 'net' [ 32.438094][ T4340] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.731136][ T4340] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.313165][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 40.330897][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.332225][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.333959][ T4371] device bridge_slave_0 entered promiscuous mode [ 40.336554][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.337969][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.339597][ T4371] device bridge_slave_1 entered promiscuous mode [ 40.347460][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.350004][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.357185][ T4371] team0: Port device team_slave_0 added [ 40.360791][ T4371] team0: Port device team_slave_1 added [ 40.366105][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.367221][ T4371] 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. [ 40.370679][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.373395][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.374565][ T4371] 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. [ 40.379444][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.446730][ T4371] device hsr_slave_0 entered promiscuous mode [ 40.485671][ T4371] device hsr_slave_1 entered promiscuous mode [ 40.560065][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.608278][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.667809][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.708076][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.754605][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.755824][ T4371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.757302][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.758383][ T4371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.775370][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.779773][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.782449][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.785131][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.788126][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.792666][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.797680][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.799337][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.800653][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.803362][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.804925][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.806219][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.812544][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.814278][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.817399][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.820888][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.823785][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.828880][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.884444][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.887011][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.890829][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.897474][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.904017][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.906661][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.908346][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.910792][ T4371] device veth0_vlan entered promiscuous mode [ 40.914031][ T4371] device veth1_vlan entered promiscuous mode [ 40.921007][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.922677][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.924349][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.928724][ T4371] device veth0_macvtap entered promiscuous mode [ 40.931084][ T4371] device veth1_macvtap entered promiscuous mode [ 40.967915][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.969414][ T242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.971928][ T242] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.975183][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.976766][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.979712][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.981202][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.982595][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.984062][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.069770][ T4387] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.071522][ T4387] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.073007][ T4387] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.074583][ T4387] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.084322][ T4387] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.088020][ T4387] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.188743][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.190306][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.192253][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.203738][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.204900][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.206763][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:42 executed programs: 0 [ 42.180513][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.182140][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.183378][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.184949][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.187545][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.188880][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.379345][ T242] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.421658][ T4438] chnl_net:caif_netlink_parms(): no params data found [ 42.437613][ T4438] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.438951][ T4438] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.440494][ T4438] device bridge_slave_0 entered promiscuous mode [ 42.442580][ T4438] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.443785][ T4438] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.445553][ T4438] device bridge_slave_1 entered promiscuous mode [ 42.452899][ T4438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.455971][ T4438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.462584][ T4438] team0: Port device team_slave_0 added [ 42.464423][ T4438] team0: Port device team_slave_1 added [ 42.470739][ T4438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.471880][ T4438] 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. [ 42.477565][ T4438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.480359][ T4438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.481501][ T4438] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 42.485345][ T4438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.536804][ T4438] device hsr_slave_0 entered promiscuous mode [ 42.585700][ T4438] device hsr_slave_1 entered promiscuous mode [ 42.625549][ T4438] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.627048][ T4438] Cannot create hsr debugfs directory [ 44.195838][ T4387] Bluetooth: hci0: command 0x0409 tx timeout [ 44.816786][ T242] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.275760][ T4387] Bluetooth: hci0: command 0x041b tx timeout [ 46.646753][ T242] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.737483][ T242] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.989868][ T4438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.036628][ T4438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.157571][ T4438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.268109][ T4438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.355445][ T4387] Bluetooth: hci0: command 0x040f tx timeout [ 48.381319][ T4438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.385016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.386666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.389329][ T4438] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.391778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.393453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.395152][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.396613][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.398975][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.458309][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.459972][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.461489][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.462848][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.465250][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.469528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.472668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.474501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.476217][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.478801][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.480618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.483514][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.485159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.489045][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.490656][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.493182][ T4438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.583060][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.584587][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.639730][ T4438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.646371][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.648110][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.653648][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.655318][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.658194][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.659645][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.662315][ T4438] device veth0_vlan entered promiscuous mode [ 48.665706][ T4438] device veth1_vlan entered promiscuous mode [ 48.672363][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.674004][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.676301][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.678027][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.728222][ T4438] device veth0_macvtap entered promiscuous mode [ 48.730733][ T4438] device veth1_macvtap entered promiscuous mode [ 48.735282][ T4438] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 48.737528][ T4438] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.740001][ T4438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.741456][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.743082][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.744520][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.749870][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.752968][ T4438] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 48.754217][ T4438] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.756713][ T4438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.758114][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.759943][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.763031][ T4438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.764457][ T4438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.766910][ T4438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.768599][ T4438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.833887][ T413] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.835552][ T413] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.838779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.845285][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.848425][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.850070][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.035154][ T4539] loop0: detected capacity change from 0 to 32768 [ 49.048956][ T4539] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.050427][ T4539] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.086134][ T4539] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.094397][ T4360] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.095913][ T4360] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.109937][ T4360] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 49.112547][ T4360] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.113744][ T4539] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.234245][ T4438] ------------[ cut here ]------------ [ 49.235400][ T4438] WARNING: CPU: 1 PID: 4438 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 49.237303][ T4438] Modules linked in: [ 49.237975][ T4438] CPU: 1 PID: 4438 Comm: syz-executor Not tainted syzkaller #0 [ 49.239290][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 49.241168][ T4438] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.242648][ T4438] pc : __folio_mark_dirty+0x8b8/0xce0 [ 49.243590][ T4438] lr : __folio_mark_dirty+0x8b8/0xce0 [ 49.244569][ T4438] sp : ffff800021167700 [ 49.245330][ T4438] x29: ffff800021167710 x28: 1fffff80006ab0a0 x27: 0000000000000000 [ 49.246802][ T4438] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c998 [ 49.248081][ T4438] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018093933 [ 49.249497][ T4438] x20: ffff0000d0d96250 x19: fffffc0003558500 x18: 1fffe00033e7697e [ 49.250937][ T4438] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 000000000004ffff [ 49.252372][ T4438] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000000000 [ 49.253948][ T4438] x11: ff00800008715320 x10: 0000000000000000 x9 : ffff800008715320 [ 49.255453][ T4438] x8 : ffff0000d852b800 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.256851][ T4438] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66f8c [ 49.258309][ T4438] x2 : ffff0000ced4c060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.259700][ T4438] Call trace: [ 49.260343][ T4438] __folio_mark_dirty+0x8b8/0xce0 [ 49.261225][ T4438] mark_buffer_dirty+0x2b8/0x5c0 [ 49.262015][ T4438] gfs2_unpin+0x128/0x918 [ 49.262737][ T4438] buf_lo_after_commit+0x144/0x18c [ 49.263608][ T4438] __gfs2_log_flush+0x12e8/0x1bd4 [ 49.264532][ T4438] gfs2_log_flush+0x3c/0x58 [ 49.265329][ T4438] gfs2_kill_sb+0x5c/0xd8 [ 49.266117][ T4438] deactivate_locked_super+0xb4/0x128 [ 49.267131][ T4438] deactivate_super+0xe4/0x104 [ 49.268034][ T4438] cleanup_mnt+0x3a8/0x430 [ 49.268879][ T4438] __cleanup_mnt+0x20/0x30 [ 49.269697][ T4438] task_work_run+0x1f4/0x280 [ 49.270520][ T4438] do_notify_resume+0x20f8/0x2c84 [ 49.271447][ T4438] el0_svc+0x98/0x128 [ 49.272196][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 49.273000][ T4438] el0t_64_sync+0x18c/0x190 [ 49.273672][ T4438] irq event stamp: 153574 [ 49.274446][ T4438] hardirqs last enabled at (153573): [] folio_memcg_lock+0xe8/0x1f8 [ 49.276085][ T4438] hardirqs last disabled at (153574): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.277723][ T4438] softirqs last enabled at (153470): [] local_bh_enable+0x10/0x34 [ 49.279460][ T4438] softirqs last disabled at (153468): [] local_bh_disable+0x10/0x34 [ 49.281046][ T4438] ---[ end trace 0000000000000000 ]--- [ 49.306112][ T4438] ------------[ cut here ]------------ [ 49.307011][ T4438] WARNING: CPU: 0 PID: 4438 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 49.308757][ T4438] Modules linked in: [ 49.309424][ T4438] CPU: 0 PID: 4438 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.310600][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 49.311911][ T4438] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.313191][ T4438] pc : __folio_start_writeback+0x8a8/0xa98 [ 49.314236][ T4438] lr : __folio_start_writeback+0x8a8/0xa98 [ 49.315076][ T4438] sp : ffff800021167180 [ 49.315799][ T4438] x29: ffff800021167260 x28: ffff70000422ce38 x27: 0000000000000000 [ 49.317195][ T4438] x26: ffff0000c049c7f0 x25: 1fffff80006ab0a1 x24: dfff800000000000 [ 49.318612][ T4438] x23: ffff0000d0d96250 x22: ffff8000211671e0 x21: ffff0000c049c998 [ 49.320104][ T4438] x20: 0000000000000001 x19: fffffc0003558500 x18: 1fffe00033e7277e [ 49.321548][ T4438] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 49.322892][ T4438] x14: 0000000000000001 x13: 1fffff80006ab0a0 x12: 0000000000000000 [ 49.324222][ T4438] x11: ff00800008717844 x10: 0000000000000000 x9 : ffff800008717844 [ 49.325609][ T4438] x8 : ffff0000d852b800 x7 : ffff800008717294 x6 : 0000000000000000 [ 49.327031][ T4438] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087172d0 [ 49.328473][ T4438] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.329775][ T4438] Call trace: [ 49.330380][ T4438] __folio_start_writeback+0x8a8/0xa98 [ 49.331359][ T4438] set_page_writeback+0x5c/0x7c [ 49.332231][ T4438] gfs2_aspace_writepage+0x524/0x6f4 [ 49.333135][ T4438] __gfs2_writepage+0x70/0x184 [ 49.333933][ T4438] write_cache_pages+0x760/0xe00 [ 49.334809][ T4438] gfs2_ail1_flush+0x7a8/0x9f0 [ 49.335702][ T4438] empty_ail1_list+0x130/0x214 [ 49.336556][ T4438] __gfs2_log_flush+0x15c8/0x1bd4 [ 49.337417][ T4438] gfs2_log_flush+0x3c/0x58 [ 49.338286][ T4438] gfs2_kill_sb+0x5c/0xd8 [ 49.339065][ T4438] deactivate_locked_super+0xb4/0x128 [ 49.340006][ T4438] deactivate_super+0xe4/0x104 [ 49.340879][ T4438] cleanup_mnt+0x3a8/0x430 [ 49.341702][ T4438] __cleanup_mnt+0x20/0x30 [ 49.342610][ T4438] task_work_run+0x1f4/0x280 [ 49.343408][ T4438] do_notify_resume+0x20f8/0x2c84 [ 49.344249][ T4438] el0_svc+0x98/0x128 [ 49.344988][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 49.345862][ T4438] el0t_64_sync+0x18c/0x190 [ 49.346711][ T4438] irq event stamp: 153788 [ 49.347557][ T4438] hardirqs last enabled at (153787): [] folio_memcg_lock+0xe8/0x1f8 [ 49.349197][ T4438] hardirqs last disabled at (153788): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.350916][ T4438] softirqs last enabled at (153762): [] handle_softirqs+0xb1c/0xc90 [ 49.352709][ T4438] softirqs last disabled at (153577): [] __do_softirq+0x14/0x20 [ 49.354238][ T4438] ---[ end trace 0000000000000000 ]--- [ 49.366113][ C1] ------------[ cut here ]------------ [ 49.367221][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 49.368870][ C1] Modules linked in: [ 49.369594][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.371064][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 49.372740][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.374013][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 49.374901][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 49.375738][ C1] sp : ffff80001cc07980 [ 49.376458][ C1] x29: ffff80001cc079a0 x28: 1fffff800063e499 x27: 1fffff800063e498 [ 49.378046][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049c7f0 [ 49.379401][ C1] x23: ffff0000c049c998 x22: ffff0000d0d942a0 x21: ffff0000d0d942a8 [ 49.380856][ C1] x20: 0000000000000001 x19: fffffc00031f24c0 x18: 1fffe00033e7697e [ 49.382315][ C1] x17: ffff80001537d000 x16: ffff8000082dbd3c x15: 0000000000000000 [ 49.383769][ C1] x14: 0000000000000003 x13: 1ffff00003980f22 x12: 0000000000000000 [ 49.385333][ C1] x11: ff00800008716da0 x10: 0000000000000000 x9 : ffff800008716da0 [ 49.386661][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.387989][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.389359][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.390933][ C1] Call trace: [ 49.391531][ C1] __folio_end_writeback+0x7d0/0x9cc [ 49.392608][ C1] folio_end_writeback+0x12c/0x410 [ 49.393564][ C1] end_page_writeback+0x58/0x74 [ 49.394549][ C1] end_buffer_async_write+0x330/0x4fc [ 49.395531][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 49.396439][ C1] bio_endio+0x750/0x794 [ 49.397218][ C1] blk_update_request+0x4ac/0xc58 [ 49.398279][ C1] blk_mq_end_request+0x54/0x8c [ 49.399104][ C1] lo_complete_rq+0x1e8/0x238 [ 49.399939][ C1] blk_done_softirq+0x11c/0x168 [ 49.400834][ C1] handle_softirqs+0x318/0xc90 [ 49.401749][ C1] run_ksoftirqd+0x7c/0x2ac [ 49.402571][ C1] smpboot_thread_fn+0x4e8/0x960 [ 49.403437][ C1] kthread+0x254/0x2e0 [ 49.404106][ C1] ret_from_fork+0x10/0x20 [ 49.404945][ C1] irq event stamp: 402793 [ 49.405623][ C1] hardirqs last enabled at (402792): [] folio_memcg_lock+0xe8/0x1f8 [ 49.407152][ C1] hardirqs last disabled at (402793): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 49.408889][ C1] softirqs last enabled at (402782): [] handle_softirqs+0xb1c/0xc90 [ 49.410460][ C1] softirqs last disabled at (402787): [] run_ksoftirqd+0x7c/0x2ac [ 49.411898][ C1] ---[ end trace 0000000000000000 ]---