Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.831956][ T4326] cgroup: Unknown subsys name 'net' [ 32.057277][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.325901][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.887909][ T4342] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.890141][ T4342] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.891586][ T4342] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.893344][ T4342] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.894999][ T4342] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.896267][ T4342] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.608757][ T4370] chnl_net:caif_netlink_parms(): no params data found [ 37.630717][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.631963][ T4370] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.633490][ T4370] device bridge_slave_0 entered promiscuous mode [ 37.641589][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.642832][ T4370] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.644459][ T4370] device bridge_slave_1 entered promiscuous mode [ 37.651779][ T4370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.654806][ T4370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.661074][ T4370] team0: Port device team_slave_0 added [ 37.663117][ T4370] team0: Port device team_slave_1 added [ 37.669096][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.670230][ T4370] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.674607][ T4370] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.677241][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.678349][ T4370] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.682316][ T4370] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.726093][ T4370] device hsr_slave_0 entered promiscuous mode [ 37.764618][ T4370] device hsr_slave_1 entered promiscuous mode [ 37.845440][ T4370] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.894107][ T4370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.952026][ T4370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.990969][ T4370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.031217][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.032491][ T4370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.033857][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.035048][ T4370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.058442][ T4370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.063076][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.066760][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.068498][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.070847][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.075632][ T4370] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.078723][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.080532][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.081730][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.085132][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.086706][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.087865][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.094178][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.097218][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.107409][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.111218][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.116550][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.119174][ T4370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.172801][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.174150][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.178447][ T4370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.185158][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.191187][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.193150][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.195440][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.197807][ T4370] device veth0_vlan entered promiscuous mode [ 38.201132][ T4370] device veth1_vlan entered promiscuous mode [ 38.209616][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.211160][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.212681][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.217411][ T4370] device veth0_macvtap entered promiscuous mode [ 38.219822][ T4370] device veth1_macvtap entered promiscuous mode [ 38.225498][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.230679][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.232793][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.236812][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.238214][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.240911][ T4370] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.242450][ T4370] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.243779][ T4370] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.245625][ T4370] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.956863][ T538] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.008874][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.011728][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.015464][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 39.021652][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.022906][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.024882][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:39 executed programs: 0 [ 39.411703][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.413664][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.415334][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.417424][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.418939][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.420143][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.464503][ T4425] chnl_net:caif_netlink_parms(): no params data found [ 39.480770][ T4425] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.482041][ T4425] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.483651][ T4425] device bridge_slave_0 entered promiscuous mode [ 39.486347][ T4425] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.487595][ T4425] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.489414][ T4425] device bridge_slave_1 entered promiscuous mode [ 39.496732][ T4425] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.499220][ T4425] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.505826][ T4425] team0: Port device team_slave_0 added [ 39.507619][ T4425] team0: Port device team_slave_1 added [ 39.513306][ T4425] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.514575][ T4425] 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. [ 39.518563][ T4425] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.521013][ T4425] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.522141][ T4425] 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. [ 39.526707][ T4425] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.575518][ T4425] device hsr_slave_0 entered promiscuous mode [ 39.614538][ T4425] device hsr_slave_1 entered promiscuous mode [ 39.654357][ T4425] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.655600][ T4425] Cannot create hsr debugfs directory [ 41.256072][ T538] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.454564][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.534891][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 43.836441][ T538] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.926138][ T538] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.948713][ T4425] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.046892][ T4425] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.075642][ T4425] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.158285][ T4425] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.266787][ T4425] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.270366][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.271918][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.274804][ T4425] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.299581][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.301395][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.302927][ T1616] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.304150][ T1616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.306662][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.310098][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.311831][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.313442][ T1616] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.314774][ T1616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.317455][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.320230][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.323026][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.325190][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.327386][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.329781][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.331429][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.335357][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.336929][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.388608][ T4425] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.391172][ T4425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.395537][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.397476][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.437718][ T538] device hsr_slave_0 left promiscuous mode [ 45.494591][ T538] device hsr_slave_1 left promiscuous mode [ 45.584376][ T538] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.585660][ T538] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.587495][ T538] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.588798][ T538] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.590379][ T538] device bridge_slave_1 left promiscuous mode [ 45.591861][ T538] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.614276][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 45.625272][ T538] device bridge_slave_0 left promiscuous mode [ 45.626384][ T538] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.744494][ T538] device veth1_macvtap left promiscuous mode [ 45.745556][ T538] device veth0_macvtap left promiscuous mode [ 45.746566][ T538] device veth1_vlan left promiscuous mode [ 45.747489][ T538] device veth0_vlan left promiscuous mode [ 47.694691][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 47.896070][ T538] team0 (unregistering): Port device team_slave_1 removed [ 48.055212][ T538] team0 (unregistering): Port device team_slave_0 removed [ 48.224733][ T538] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.435523][ T538] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.045146][ T538] bond0 (unregistering): Released all slaves [ 50.362251][ T4425] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.365271][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.366603][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.373104][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.375058][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.380806][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.382455][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.384117][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.385866][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.388389][ T4425] device veth0_vlan entered promiscuous mode [ 50.391583][ T4425] device veth1_vlan entered promiscuous mode [ 50.400730][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.402351][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.403824][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.405905][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.408471][ T4425] device veth0_macvtap entered promiscuous mode [ 50.410994][ T4425] device veth1_macvtap entered promiscuous mode [ 50.417271][ T4425] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.418647][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.420371][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.421948][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.425030][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.428131][ T4425] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.429460][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.431196][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.433697][ T4425] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.436083][ T4425] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.437502][ T4425] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.439026][ T4425] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.466454][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.470058][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.471971][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.481073][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.482382][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.483828][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.638533][ T4488] loop0: detected capacity change from 0 to 32768 [ 50.643058][ T4488] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.644819][ T4488] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.659476][ T4488] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.662141][ T4378] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.663224][ T4378] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.678589][ T4378] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 50.681081][ T4378] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.682184][ T4488] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 50.795616][ T4425] ------------[ cut here ]------------ [ 50.796572][ T4425] WARNING: CPU: 1 PID: 4425 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 50.798218][ T4425] Modules linked in: [ 50.798822][ T4425] CPU: 1 PID: 4425 Comm: syz-executor Not tainted syzkaller #0 [ 50.800117][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.801878][ T4425] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.803016][ T4425] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 50.803802][ T4425] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 50.804825][ T4425] sp : ffff80001fe476e0 [ 50.805549][ T4425] x29: ffff80001fe47700 x28: 1fffff80006e36f8 x27: dfff800000000000 [ 50.806899][ T4425] x26: 0000000000000000 x25: ffff0000c54cbe90 x24: 0000000000000001 [ 50.808187][ T4425] x23: 0000000000000000 x22: fffffc000371b7c8 x21: 1fffe00018a997d2 [ 50.809407][ T4425] x20: ffff0000d8526250 x19: fffffc000371b7c0 x18: 0000000000000000 [ 50.810932][ T4425] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 50.812098][ T4425] x14: 0000000000000001 x13: 1fffe00018a997d2 x12: 0000000000ff0100 [ 50.813396][ T4425] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 50.814554][ T4425] x8 : ffff0000ce2ab780 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.815740][ T4425] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 50.817034][ T4425] x2 : ffff0000cf2d4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.818433][ T4425] Call trace: [ 50.819056][ T4425] __folio_mark_dirty+0x8a0/0xcd8 [ 50.819974][ T4425] mark_buffer_dirty+0x2b8/0x5c0 [ 50.820835][ T4425] gfs2_unpin+0x120/0x8fc [ 50.821676][ T4425] buf_lo_after_commit+0x140/0x188 [ 50.822378][ T4425] gfs2_log_flush+0xc00/0x1b20 [ 50.823140][ T4425] gfs2_kill_sb+0x5c/0xd4 [ 50.823817][ T4425] deactivate_locked_super+0xac/0x120 [ 50.824574][ T4425] deactivate_super+0xe4/0x104 [ 50.825425][ T4425] cleanup_mnt+0x390/0x418 [ 50.826136][ T4425] __cleanup_mnt+0x20/0x30 [ 50.826885][ T4425] task_work_run+0x1ec/0x278 [ 50.827538][ T4425] do_notify_resume+0x1fa0/0x2aa4 [ 50.828306][ T4425] el0_svc+0x98/0x128 [ 50.828965][ T4425] el0t_64_sync_handler+0x84/0xf0 [ 50.829826][ T4425] el0t_64_sync+0x18c/0x190 [ 50.830701][ T4425] irq event stamp: 161366 [ 50.831403][ T4425] hardirqs last enabled at (161365): [] folio_memcg_lock+0xe8/0x1f4 [ 50.833058][ T4425] hardirqs last disabled at (161366): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.834691][ T4425] softirqs last enabled at (161260): [] local_bh_enable+0x10/0x34 [ 50.836193][ T4425] softirqs last disabled at (161258): [] local_bh_disable+0x10/0x34 [ 50.837824][ T4425] ---[ end trace 0000000000000000 ]--- [ 50.874940][ T4425] ------------[ cut here ]------------ [ 50.875849][ T4425] WARNING: CPU: 0 PID: 4425 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 50.877542][ T4425] Modules linked in: [ 50.878174][ T4425] CPU: 0 PID: 4425 Comm: syz-executor Tainted: G W syzkaller #0 [ 50.879728][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.881368][ T4425] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.882738][ T4425] pc : __folio_start_writeback+0x88c/0xa7c [ 50.883715][ T4425] lr : __folio_start_writeback+0x88c/0xa7c [ 50.884718][ T4425] sp : ffff80001fe47180 [ 50.885411][ T4425] x29: ffff80001fe47260 x28: dfff800000000000 x27: 0000000000000000 [ 50.886750][ T4425] x26: ffff700003fc8e38 x25: 0000000000000000 x24: ffff0000d8526250 [ 50.887994][ T4425] x23: ffff80001fe471e0 x22: ffff0000c54cbce8 x21: 0000000000000001 [ 50.889382][ T4425] x20: fffffc000371b7c8 x19: fffffc000371b7c0 x18: ffff800011b9bf60 [ 50.890677][ T4425] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 50.892064][ T4425] x14: 0000000000000001 x13: 1fffff80006e36f8 x12: 0000000000ff0100 [ 50.893391][ T4425] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 50.894682][ T4425] x8 : ffff0000ce2ab780 x7 : ffff80000870c070 x6 : 0000000000000000 [ 50.895999][ T4425] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 50.897319][ T4425] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.898602][ T4425] Call trace: [ 50.899123][ T4425] __folio_start_writeback+0x88c/0xa7c [ 50.899998][ T4425] set_page_writeback+0x5c/0x7c [ 50.900786][ T4425] gfs2_aspace_writepage+0x514/0x6dc [ 50.901643][ T4425] __gfs2_writepage+0x70/0x184 [ 50.902436][ T4425] write_cache_pages+0x74c/0xde8 [ 50.903230][ T4425] gfs2_ail1_flush+0x7c4/0xa14 [ 50.903911][ T4425] empty_ail1_list+0x130/0x214 [ 50.904629][ T4425] gfs2_log_flush+0x12b4/0x1b20 [ 50.905310][ T4425] gfs2_kill_sb+0x5c/0xd4 [ 50.906016][ T4425] deactivate_locked_super+0xac/0x120 [ 50.906925][ T4425] deactivate_super+0xe4/0x104 [ 50.907652][ T4425] cleanup_mnt+0x390/0x418 [ 50.908381][ T4425] __cleanup_mnt+0x20/0x30 [ 50.909126][ T4425] task_work_run+0x1ec/0x278 [ 50.909848][ T4425] do_notify_resume+0x1fa0/0x2aa4 [ 50.910730][ T4425] el0_svc+0x98/0x128 [ 50.911369][ T4425] el0t_64_sync_handler+0x84/0xf0 [ 50.912154][ T4425] el0t_64_sync+0x18c/0x190 [ 50.912956][ T4425] irq event stamp: 161502 [ 50.913735][ T4425] hardirqs last enabled at (161501): [] folio_memcg_lock+0xe8/0x1f4 [ 50.915429][ T4425] hardirqs last disabled at (161502): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.917145][ T4425] softirqs last enabled at (161478): [] handle_softirqs+0xaec/0xc60 [ 50.918859][ T4425] softirqs last disabled at (161369): [] __do_softirq+0x14/0x20 [ 50.920575][ T4425] ---[ end trace 0000000000000000 ]--- [ 50.925088][ C1] ------------[ cut here ]------------ [ 50.926188][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 50.927912][ C1] Modules linked in: [ 50.928558][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 50.929995][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.931624][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.932862][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 50.933807][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 50.934696][ C1] sp : ffff80001ca97970 [ 50.935339][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c54cbce8 [ 50.936657][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000657d98 [ 50.938030][ C1] x23: 0000000000000001 x22: ffff0000d85242a0 x21: ffff0000d85242a8 [ 50.939380][ C1] x20: 0000000000000001 x19: fffffc00032becc0 x18: ffff800011b9bf60 [ 50.940811][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 50.942145][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 50.943605][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 50.945024][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.946402][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.947773][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.949179][ C1] Call trace: [ 50.949770][ C1] __folio_end_writeback+0x7d0/0x9cc [ 50.950686][ C1] folio_end_writeback+0x12c/0x410 [ 50.951635][ C1] end_page_writeback+0x58/0x74 [ 50.952451][ C1] end_buffer_async_write+0x32c/0x4f4 [ 50.953439][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 50.954298][ C1] bio_endio+0x750/0x794 [ 50.954966][ C1] blk_update_request+0x49c/0xbec [ 50.955757][ C1] blk_mq_end_request+0x54/0x88 [ 50.956531][ C1] lo_complete_rq+0x1ec/0x250 [ 50.957278][ C1] blk_done_softirq+0x11c/0x168 [ 50.958091][ C1] handle_softirqs+0x318/0xc60 [ 50.958947][ C1] run_ksoftirqd+0x7c/0x2ac [ 50.959728][ C1] smpboot_thread_fn+0x4b0/0x964 [ 50.960465][ C1] kthread+0x250/0x2d8 [ 50.961159][ C1] ret_from_fork+0x10/0x20 [ 50.961939][ C1] irq event stamp: 455485 [ 50.962633][ C1] hardirqs last enabled at (455484): [] folio_memcg_lock+0xe8/0x1f4 [ 50.964240][ C1] hardirqs last disabled at (455485): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.965874][ C1] softirqs last enabled at (455474): [] handle_softirqs+0xaec/0xc60 [ 50.967316][ C1] softirqs last disabled at (455479): [] run_ksoftirqd+0x7c/0x2ac [ 50.968852][ C1] ---[ end trace 0000000000000000 ]---