Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.275240][ T4338] cgroup: Unknown subsys name 'net' [ 32.483767][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.784470][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.342562][ T4348] chnl_net:caif_netlink_parms(): no params data found [ 37.359107][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.360411][ T4348] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.362334][ T4348] device bridge_slave_0 entered promiscuous mode [ 37.364734][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.365976][ T4348] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.367448][ T4348] device bridge_slave_1 entered promiscuous mode [ 37.374473][ T4348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.376892][ T4348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.383218][ T4348] team0: Port device team_slave_0 added [ 37.385112][ T4348] team0: Port device team_slave_1 added [ 37.390619][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.392060][ T4348] 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. [ 37.396237][ T4348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.398914][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.400029][ T4348] 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. [ 37.404793][ T4348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.462195][ T4348] device hsr_slave_0 entered promiscuous mode [ 37.501273][ T4348] device hsr_slave_1 entered promiscuous mode [ 37.574461][ T4348] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.622911][ T4348] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.662457][ T4348] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.712081][ T4348] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.758540][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.759765][ T4348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.761047][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.762243][ T4348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.778563][ T4348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.783466][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.786281][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.788338][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.790218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.795149][ T4348] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.797979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.799581][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.800839][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.804065][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.805572][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.806774][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.814273][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.816064][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.820420][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.823932][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.826623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.828899][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.877516][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.879012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.883859][ T4348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.889301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.894793][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.896549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.897964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.900178][ T4348] device veth0_vlan entered promiscuous mode [ 37.904946][ T4348] device veth1_vlan entered promiscuous mode [ 37.911953][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.913737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.915368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.917686][ T4348] device veth0_macvtap entered promiscuous mode [ 37.919990][ T4348] device veth1_macvtap entered promiscuous mode [ 37.926149][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.927462][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.929509][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.932747][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.934089][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.936503][ T4348] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.937917][ T4348] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.939319][ T4348] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.940737][ T4348] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.342349][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.575781][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.577257][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.579500][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.587031][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.588364][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.589926][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.742368][ T4395] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.744019][ T4395] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.745439][ T4395] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.746963][ T4395] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.748288][ T4395] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.749568][ T4395] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:39 executed programs: 0 [ 39.560464][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.562796][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.564255][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.565901][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.567344][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.568632][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.615979][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 39.631397][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.632764][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.634337][ T4427] device bridge_slave_0 entered promiscuous mode [ 39.636475][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.637699][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.639175][ T4427] device bridge_slave_1 entered promiscuous mode [ 39.645841][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.648413][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.654563][ T4427] team0: Port device team_slave_0 added [ 39.656915][ T4427] team0: Port device team_slave_1 added [ 39.662024][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.663267][ 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. [ 39.667486][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.670127][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.671292][ 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. [ 39.675437][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.722765][ T4427] device hsr_slave_0 entered promiscuous mode [ 39.762239][ T4427] device hsr_slave_1 entered promiscuous mode [ 39.801198][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.802650][ T4427] Cannot create hsr debugfs directory [ 41.282211][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.611281][ T4395] Bluetooth: hci0: command 0x0409 tx timeout [ 43.591851][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.682928][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.691392][ T4395] Bluetooth: hci0: command 0x041b tx timeout [ 44.806079][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.902862][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.962236][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.042838][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.172143][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.175770][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.177335][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.179772][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.182758][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.184571][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.186023][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.187188][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.188743][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.194647][ T9] device hsr_slave_0 left promiscuous mode [ 45.221249][ T9] device hsr_slave_1 left promiscuous mode [ 45.301154][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.302408][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.304073][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.305264][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.306707][ T9] device bridge_slave_1 left promiscuous mode [ 45.307725][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.351962][ T9] device bridge_slave_0 left promiscuous mode [ 45.352992][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.491279][ T9] device veth1_macvtap left promiscuous mode [ 45.492505][ T9] device veth0_macvtap left promiscuous mode [ 45.493611][ T9] device veth1_vlan left promiscuous mode [ 45.494695][ T9] device veth0_vlan left promiscuous mode [ 45.771115][ T4395] Bluetooth: hci0: command 0x040f tx timeout [ 47.682280][ T9] team0 (unregistering): Port device team_slave_1 removed [ 47.841705][ T9] team0 (unregistering): Port device team_slave_0 removed [ 47.851235][ T4395] Bluetooth: hci0: command 0x0419 tx timeout [ 48.001652][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.221530][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.821997][ T9] bond0 (unregistering): Released all slaves [ 50.132311][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.134467][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.135907][ T88] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.137134][ T88] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.138452][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.140160][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.143070][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.144638][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.146490][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.148104][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.149654][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.154626][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.156193][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.157768][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.159399][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.162393][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.210336][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.213494][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.216787][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.222583][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.224310][ T1694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.229644][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.233148][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.234822][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.236266][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.238629][ T4427] device veth0_vlan entered promiscuous mode [ 50.242592][ T4427] device veth1_vlan entered promiscuous mode [ 50.248601][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.250114][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.252359][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.253888][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.256277][ T4427] device veth0_macvtap entered promiscuous mode [ 50.258612][ T4427] device veth1_macvtap entered promiscuous mode [ 50.265978][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.267407][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.269013][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.270455][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.273071][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.275883][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.277278][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.278922][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.282355][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.283791][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.285221][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.286554][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.307210][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.308601][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.311764][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.315795][ T248] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.317182][ T248] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.318672][ T248] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.470238][ T4502] loop0: detected capacity change from 0 to 32768 [ 50.474084][ T4502] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.475499][ T4502] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.490173][ T4502] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.493032][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.494156][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 50.509176][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 15ms [ 50.512593][ T22] gfs2: fsid=syz:syz.0: jid=0: Done [ 50.513718][ T4502] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 50.629518][ T4427] ------------[ cut here ]------------ [ 50.630661][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 50.632540][ T4427] Modules linked in: [ 50.633266][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 50.634577][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 50.636361][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.637833][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 50.638741][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 50.639699][ T4427] sp : ffff8000211875a0 [ 50.640386][ T4427] x29: ffff8000211875c0 x28: 1fffff80006aaea8 x27: dfff800000000000 [ 50.641873][ T4427] x26: 0000000000000000 x25: ffff0000c049c998 x24: 0000000000000001 [ 50.643252][ T4427] x23: 0000000000000000 x22: fffffc0003557548 x21: 1fffe00018093933 [ 50.644694][ T4427] x20: ffff0000cd1c02a0 x19: fffffc0003557540 x18: 0000000000000000 [ 50.646149][ T4427] x17: ffff800018381000 x16: ffff8000082d8944 x15: ffff800017e62000 [ 50.647682][ T4427] x14: 0000000000000001 x13: 1fffe00018093933 x12: 0000000000ff0100 [ 50.649123][ T4427] x11: ff0080000870ac38 x10: 0000000000000000 x9 : ffff80000870ac38 [ 50.650633][ T4427] x8 : ffff0000cde3d400 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.652142][ T4427] x5 : ffff80001853d740 x4 : 0000000000000008 x3 : ffff800008a595a0 [ 50.653474][ T4427] x2 : ffff0000cf18a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.654907][ T4427] Call trace: [ 50.655538][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 50.656428][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 50.657266][ T4427] gfs2_unpin+0x120/0x8fc [ 50.658046][ T4427] buf_lo_after_commit+0x140/0x188 [ 50.658971][ T4427] __gfs2_log_flush+0x1290/0x1b38 [ 50.659831][ T4427] gfs2_log_flush+0x3c/0x58 [ 50.660677][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 50.661463][ T4427] deactivate_locked_super+0xac/0x120 [ 50.662403][ T4427] deactivate_super+0xe4/0x104 [ 50.663224][ T4427] cleanup_mnt+0x390/0x418 [ 50.664036][ T4427] __cleanup_mnt+0x20/0x30 [ 50.664755][ T4427] task_work_run+0x1ec/0x278 [ 50.665490][ T4427] get_signal+0x111c/0x1304 [ 50.666299][ T4427] do_notify_resume+0x33c/0x2aa4 [ 50.667137][ T4427] el0_svc+0x98/0x128 [ 50.667838][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 50.668702][ T4427] el0t_64_sync+0x18c/0x190 [ 50.669493][ T4427] irq event stamp: 165568 [ 50.670220][ T4427] hardirqs last enabled at (165567): [] folio_memcg_lock+0xe8/0x1f4 [ 50.671896][ T4427] hardirqs last disabled at (165568): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.673655][ T4427] softirqs last enabled at (165444): [] local_bh_enable+0x10/0x34 [ 50.675268][ T4427] softirqs last disabled at (165442): [] local_bh_disable+0x10/0x34 [ 50.676930][ T4427] ---[ end trace 0000000000000000 ]--- [ 50.691427][ T4427] ------------[ cut here ]------------ [ 50.692296][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 50.694083][ T4427] Modules linked in: [ 50.694802][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 50.696359][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 50.698010][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.699344][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 50.700388][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 50.701403][ T4427] sp : ffff800021187040 [ 50.702147][ T4427] x29: ffff800021187120 x28: dfff800000000000 x27: 0000000000000000 [ 50.703633][ T4427] x26: ffff700004230e10 x25: 0000000000000000 x24: ffff0000cd1c02a0 [ 50.705121][ T4427] x23: ffff8000211870a0 x22: ffff0000c049c7f0 x21: 0000000000000001 [ 50.706479][ T4427] x20: fffffc0003557548 x19: fffffc0003557540 x18: ffff800011babf60 [ 50.707830][ T4427] x17: ffff800018381000 x16: ffff8000082d8944 x15: 0000000000000000 [ 50.709249][ T4427] x14: 0000000000000001 x13: 1fffff80006aaea8 x12: 0000000000ff0100 [ 50.710627][ T4427] x11: ff0080000870d144 x10: 0000000000000000 x9 : ffff80000870d144 [ 50.712023][ T4427] x8 : ffff0000cde3d400 x7 : ffff80000870cbb0 x6 : 0000000000000000 [ 50.713466][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870cbf0 [ 50.714843][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.716160][ T4427] Call trace: [ 50.716697][ T4427] __folio_start_writeback+0x88c/0xa7c [ 50.717653][ T4427] set_page_writeback+0x5c/0x7c [ 50.718536][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 50.719458][ T4427] __gfs2_writepage+0x70/0x184 [ 50.720386][ T4427] write_cache_pages+0x74c/0xde8 [ 50.721219][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 50.722079][ T4427] empty_ail1_list+0x130/0x214 [ 50.722862][ T4427] __gfs2_log_flush+0x1568/0x1b38 [ 50.723735][ T4427] gfs2_log_flush+0x3c/0x58 [ 50.724489][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 50.725216][ T4427] deactivate_locked_super+0xac/0x120 [ 50.726114][ T4427] deactivate_super+0xe4/0x104 [ 50.726933][ T4427] cleanup_mnt+0x390/0x418 [ 50.727700][ T4427] __cleanup_mnt+0x20/0x30 [ 50.728489][ T4427] task_work_run+0x1ec/0x278 [ 50.729232][ T4427] get_signal+0x111c/0x1304 [ 50.730047][ T4427] do_notify_resume+0x33c/0x2aa4 [ 50.730923][ T4427] el0_svc+0x98/0x128 [ 50.731632][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 50.732574][ T4427] el0t_64_sync+0x18c/0x190 [ 50.733357][ T4427] irq event stamp: 166064 [ 50.734113][ T4427] hardirqs last enabled at (166063): [] folio_memcg_lock+0xe8/0x1f4 [ 50.735738][ T4427] hardirqs last disabled at (166064): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.737539][ T4427] softirqs last enabled at (166052): [] handle_softirqs+0xaec/0xc60 [ 50.739254][ T4427] softirqs last disabled at (165571): [] __do_softirq+0x14/0x20 [ 50.740898][ T4427] ---[ end trace 0000000000000000 ]--- [ 50.747122][ C0] ------------[ cut here ]------------ [ 50.748080][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 50.749889][ C0] Modules linked in: [ 50.750575][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 50.752060][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 50.753756][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.755096][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 50.756128][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 50.757146][ C0] sp : ffff80001ca57970 [ 50.757813][ C0] x29: ffff80001ca57990 x28: dfff800000000000 x27: ffff0000c049c7f0 [ 50.759289][ C0] x26: 0000000000000000 x25: 05ffd20000002052 x24: 1fffff80006aaea8 [ 50.760735][ C0] x23: 0000000000000001 x22: ffff0000cd1c02a0 x21: ffff0000cd1c02a8 [ 50.762180][ C0] x20: 0000000000000001 x19: fffffc0003557540 x18: ffff800011babf60 [ 50.763703][ C0] x17: 1fffe00033e9f77e x16: ffff8000082d8944 x15: 0000000000000000 [ 50.765158][ C0] x14: 0000000000000003 x13: 1ffff0000394af20 x12: 0000000000ff0100 [ 50.766703][ C0] x11: ff0080000870c6bc x10: 0000000000000000 x9 : ffff80000870c6bc [ 50.768119][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.769503][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 50.770937][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.772398][ C0] Call trace: [ 50.772961][ C0] __folio_end_writeback+0x7d0/0x9cc [ 50.773868][ C0] folio_end_writeback+0x12c/0x410 [ 50.774782][ C0] end_page_writeback+0x58/0x74 [ 50.775655][ C0] end_buffer_async_write+0x32c/0x4f4 [ 50.776568][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 50.777426][ C0] bio_endio+0x750/0x794 [ 50.778185][ C0] blk_update_request+0x49c/0xbec [ 50.779079][ C0] blk_mq_end_request+0x54/0x88 [ 50.780045][ C0] lo_complete_rq+0x1ec/0x250 [ 50.780884][ C0] blk_done_softirq+0x11c/0x168 [ 50.781763][ C0] handle_softirqs+0x318/0xc60 [ 50.782598][ C0] run_ksoftirqd+0x7c/0x2ac [ 50.783399][ C0] smpboot_thread_fn+0x4b0/0x964 [ 50.784347][ C0] kthread+0x250/0x2d8 [ 50.785068][ C0] ret_from_fork+0x10/0x20 [ 50.785824][ C0] irq event stamp: 399405 [ 50.786592][ C0] hardirqs last enabled at (399404): [] folio_memcg_lock+0xe8/0x1f4 [ 50.788451][ C0] hardirqs last disabled at (399405): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 50.790355][ C0] softirqs last enabled at (399394): [] handle_softirqs+0xaec/0xc60 [ 50.792115][ C0] softirqs last disabled at (399399): [] run_ksoftirqd+0x7c/0x2ac [ 50.793868][ C0] ---[ end trace 0000000000000000 ]---